bluuebunny/crossref_metadata_2025 huggingface dataset:
Distribution and Habitat Preference of Tanaids (Peracarida – Crustacea) in the Kadalundi Estuary on the Southwest Coast of India
Authors: S.N Suhana , Hameed Habeebrehman
Published: July 2024

In this study, we investigated the distribution and abundance of macrobenthos, particularly tanaids, in the Kadalundi Estuary, southwest coast of India, across three seasons. Tanaids were found to be the dominant macrobenthic group, with a strong preference for clayey mangrove habitats. The study highlights the vital role of mangroves in supporting macrobenthic communities and emphasizes the importance of conserving these habitats. Litterfall was identified as a crucial factor in nutrient cycling within the mangrove ecosystem. Sandbar formation near the estuary mouth poses a significant threat to mangrove ecosystems and associated fauna. This research contributes valuable insights for informed conservation strategies and ecosystem management.
Key words: Macrobenthos, mangrove, litterfall, sandbar, conservation, ecosystem
Efficiency of Megascolex konkanensis in Treating Kitchen Wastewater
Authors: Chitra  , Oommen Sosamma
Published: July 2024

Earthworms, generally known as environmental engineers, are versatile waste eaters, decomposers and can tolerate toxic chemicals in the environment. The present study aims to illustrate the potential of vermifilteration system using Megascolex konkanensis in treatment of kitchen wastewater. A small-scale vermifiltration unit was constructed having three layers, soil-sand-gravel along with M. konkanensis in it. The worms were given one month settling time in the soil bed to acclimatize with the new environment. Another unit without earthworms acted as an experimental control. The study was carried for 36 days and the observations on physico-chemical parameters were taken at an interval of 5 days. pH levels were brought to near neutral while Dissolved oxygen increased (14.7%) by the treatment system. Vermifiltration system significantly decreased the level of Turbidity (69.97%), Conductivity (42.54%), Total suspended solids (94.07%), Total dissolved solids (32.32%), Phosphate (60.90%), Sodium (22.72%), while the levels of Nitrate and Potassium increased. All parameters examined were within the permissible limits of WHO and BIS standards for recycled wastewater. Results thus suggest that vermifiltration system is ecofriendly, cost effective and very efficient in terms of contamination removal and wastewater purification.
Isolation and Identification of Phenanthrene Degrading Marine Isolates from Indian Ocean
Authors: K Swetha , S Illanjiam , M Uma Maheswari
Published: July 2024

Marine water contamination by hydrocarbon and its by-products are currently a worldwide issue. Microorganisms that can ingest hydrocarbons for growth, sustenance, and metabolic processes, classified as Hydrocarbonoclastic bacteria are identified as promising biocontrol agents for the degradation of hydrocarbons. Thus, in the present study, an attempt was made to isolate hydrocarbonoclastic bacterial species that are capable of utilising and degrading Phenanthrene, a polycyclic aromatic hydrocarbon as the sole carbon source. A total of 16 bacterial isolates were obtained as pure cultures from the samples collected at varying depths of 3 to 3500 m from Indian Ocean by the sequential isolation process with Phenanthrene incorporated into the growth media. Growth specificity of the isolates was estimated by subjecting the isolates to different ranges of pH, salinity and temperature. Based on the specificity tests, 3 isolates were selected as potential candidates that can grow well in Phenanthrene. Further, molecular characterization of these isolates by 16s rRNA sequence revealed the identity as Alcanivorax dieselolei, Rhodococcus pyridinivorans and Halomonas titanicae.
Rainfall Trend Analysis of the Northern slopes of the Meghalaya Plateau: A Case Study of Ri Bhoi District
Authors: Lyngdoh Andy T.G , Purkayastha Subrata
Published: July 2024

Ri Bhoi district, located on the northern slopes of the Meghalaya plateau, has a complex climate ranging from pleasant summers and cold winters in the Highland zone closer to the Shillong plateau to hot and humid summers and cool winters in the Lowland zone, which merges with the Brahmaputra plains. Climate change, which is a reality at present, adversely impacts the marginalised section more, especially those in the developing economies who depend on the vagaries of the climatic elements, and their crop production depends on the success or failure of seasonal rains. The present work attempts to analyse the rainfall trend on an average monthly, seasonal, and annual basis for the last 20 years for the Ri Bhoi district. The techniques followed for this analysis are the Mann-Kendall test at a 95% confidence level and Sen's slope estimate. The findings suggest an erratic rainfall pattern in the highland and lowland zones of Ri Bhoi district that could impacts agriculture and agro-based livelihoods.
Activity Budgeting of Rhesus Monkey (Macaca mulatta, Zimmerman 1780) Along Altitudinal Gradient in Nepal
Authors: Adhikari Ram Chandra , Chakraborty Kaushik
Published: July 2024

The activity budgets of Rhesus monkey vary depending on altitude, topography, climate, food resource, vegetation and other factors. This study was done to compare the activity budget of Rhesus monkey along the altitudinal gradient of Eastern Nepal from 93 meters to 1250 meters above from sea level for a year from May 2022 to April 2023. We followed scan sampling method to record the behavioural activities. We found there was no relation between the altitude of habitat and composition of population of monkey (df= 8, χ2= 0.318, p<0.05). Foraging and moving were found increasing with increase of altitude but grooming was decreasing. The time spent by monkey for different activities was strongly related to changing seasons in habitats of different altitude. There was powerfully built relation of activities with the altitude of habitat on the annual analysis (df = 14, F = 140.73, p value= 9.57E-09). The time budgeting was strongly related with the part of diurnal time Plain (r =0.33), Churia (r = 0.75) and Mahabharat (r= 0.95). The places for foraging, moving, grooming, inactive and fighting were varied in different altitude. Our study gives crucial information for the sustainable management of this species.
Effect of Honey Bee (Apia cerana) Dominated Insect Pollination on Yield and Quality of Mustard, Buckwheat and Plum in a Central Himalayan Agro-Ecosystem
Authors: Chauhan DS , Negi GCS , Joshi Ravindra
Published: July 2024

This paper presents the finding of pollination effects of honeybees (Apis cerana) on productivity outcomes of the three crops of the Himalayan agro-ecosystem: mustard (Brassica campestris), buckwheat (Fagopyrum esculentum) and plum (Prunus domestica). We used pollination exclusion on flowers of target crops to assess the contribution of pollinators on crop yield. The effect of pollination on various yield parameters under different treatments viz. Open pollination (OP) with supplementation of beehives and Control pollination (CP, pollinator exclusion) were quantified. The CP treatment negatively impacted crop yield variables in all the target crops contrary to the OP, where yield variables were significantly higher in all the target crops. Total yield of mustard increased by 27% (179 vs. 227 kg/ha), buckwheat by 73% (309 vs. 1141 kg/ha) and plum by 64% (0.92 vs. 2.52 kg fruits /branch) in OP than the CP. This is mainly due to higher pollinator density in the OP and supplementation of A. cerana beehive. The maximum pollinator species diversity was recorded in buckwheat (16 spp.) followed by mustard (15 spp.) and plum (13 spp.). In all the target crops, honeybee (A. cerana) emerged as the most abundant visitor, with mean density of24.38±0.92 in mustard, 18.56±2.00 in buckwheat and 39.45±1.45 in plum. The findings indicate that pollinators, especially honeybees can be suitably integrated with agro-ecosystems of this region for effective pollination management and to maximize the crop yield.
Tree Diversity, Regeneration and Ecological Status in Koppa Forest Division, Central Western Ghats, India
Authors: Hebbar K Anushree , K Krishnaswamy
Published: July 2024

Forests and their trees support human and animal lives by the provision of food and food-associated materials, fodder and foraging sites for their livestock, and medicinal materials, as well as multiple ecological services. However, unbalanced utilization of these resources and the biotic and abiotic disturbances interrupt their sustainability and ecological functions. We studied the tree population structure, diversity, and regeneration status of tree species in the Koppa Forest Division. The present study reports 207 species of adult trees belong to 140 genera and 49 families were present in the area and nine species were present only as regenerating individuals. The ecological status of the tree species of the region according to International Union for Conservation of Nature, red list indicates that four species are of data deficit, five species are endangered, six are nearly threatened, 17 are vulnerable and 81 species are of least concern. The study concludes that among the recorded 207 tree species, 22 species showed a frequency value of < 0.01 and 185 species showed > 0.01, which indicates that only 10% of the species were less frequently found in the region. This indicates the species richness of the area. To maintain the diversity the rate of survival of regenerating individuals should be increased. This study may pave the way for further research on regeneration potentials of the native species for conservation and enhancement of forests in the future.
Eco-friendly Management of Tomato Fruit Borer, Helicoverpa armigera (Hubner) using Microbials and Botanicals in Manipur
Authors: Devi Nameirakpam Sunita , Singh Kh. Ibohal , Haldhar Shravan M , Karam Nilima , Singh N. Okendro , Nidhi C N
Published: July 2024

Field experiments were carried out at the Vegetable Research Farm, College of Agriculture, Central Agricultural University, Imphal, Manipur for two consecutive Rabi seasons, 2020-21 and 2021-22 to determine the efficacy of biorational insecticides and chlorantraniliprole against Helicoperva armigera on tomato under Manipur condition. Among the nine insecticides tested, chlorantraniliprole 18.5 SC @ 150 ml/ha was found most effective against H. armigera followed by green lipel (Bacillus thuringiensis var. kurstaki) @ 2500 ml/ha and green focus (botanical extract of Derris indica) @ 1000 ml/ha. Cow urine + Artimisia nilagirica proved to be the least effective followed by green pacer (Metarrhizium anisopliae). Among biorational insecticides tested, maximum fruit yield (19.12 t/ha) was harvested from the plots treated with green lipel which did not differ significantly from that of green focus (19.03 t/ha) treated plots.
Microplastic-Earthworm Interactions: A Critical Review
Authors: Moharana Tanushree , Patnaik Aliva , Mishra C.S.K , Behera Binayak Prasad , Samal Suryasikha , Samal Rashmi Rekha
Published: July 2024

Microplastics generated from diverse categories of plastic wastes primarily accumulate in terrestrial ecosystems and subsequently find their way to aquatic ecosystems. As the use of plastic goods has been increasing globally during the last few decades, it is likely that the amount of microplastics too would increase significantly and get accumulated in the soil. An increased level of microplastics might have deleterious effects on soil properties and microbiota. Microplastics being small (< 5 mm), could be easily consumed by pedophagous soil fauna such as earthworms and get dispersed widely in soil and might even reach the groundwater table. It has been reported that microplastics such as polyvinyl chloride, polypropylene etc., can bind to toxic compounds, including pesticides and transfer these into the gut of earthworms, adversely impacting their growth, ecological functions, and reproduction. It is apprehended that earthworms and other soil fauna could accelerate the degradation of microplastics into nano forms which could enhance environmental risk not only for these animals but also for other beneficial soil biotas.
Nutritive Value of Important Fodder Species in Successional Grassland Ecosystem in Manipur
Authors: Thokchom Amrabati , Khan M R , Yadava P S
Published: July 2024

Nutritive components such as crude protein, crude fibre, cellulose, hemicellulose, lignin, nitrogen, phosphorus and potassium, of important fodder plant species in successional grassland in Manipur have been evaluated throughout the year. The amount of crude protein and fibre varied from 2.38% (January) to 25.75% (May) and 25.20% (January) to 69.87% (July), respectively in different species. Cellulose, hemicellulose and lignin contents also ranged from 37.19% (March) to 60.42% (May), 19.89% (March) to 44.59% (September) and 4.28% (March) to 28.21% (January), respectively, in different species across the months. The highest nutritive value of plant species i.e., nitrogen, phosphorus and potassium content was found to be during the rainy months of July/September. Out of 13 fodder plant species, Desmodium triflorum exhibited highest content for crude protein and nitrogen, Fimbristylis dichotoma for crude fibre, and potassium, Arundinella setosa for cellulose, Bothriochloa intermedia for Hemicellulose, Dichanthium annulatum for lignin, Andropogon ascinodes for phosphorus during the study period. These species are more palatable in early vegetative stage and considered excellent nutritious fodders.
Exploring the Influence of Biophilic Workplace Design on Employee Creativity: A Comparative Study
Authors: Suresh Sandra , Singh Dharmendra Kumar Singh , Kumar Narsingh
Published: July 2024

This research delves into the influence of office spaces infused with biophilic elements on the creativity of employees, examining differences across various biophilic indices. The study follows a correlational and comparative research design and data were collected from 222 employees including 152 workers from organisations with low biophilic index and 70 workers from organisations with high biophilic index following purposive sampling method. Biophilia Index has shown a significant positive correlation and a strong predictive value for creativity of employees and considerably higher correlation is found in environment factor of creativity. The t-test results indicate that employee creativity and its dimensions are comparatively higher in the group with high biophilic index than the group with low biophilic index. These findings emphasize the significance of integrating nature-inspired design features in workplaces to augment creativity, particularly focusing on the environmental facets of the work place setting.
Sal-dominated Forests Influence the Floristic Composition, Diversity and Distribution Pattern with Special Focus on the Associated Trees in the Eastern Ghats of Odisha
Authors: Behera Madhab , Sahoo Uttam Kumar , Mohanty Tanmay , Nayak Saswat
Published: July 2024

The present study investigates the influence of Sal-dominated forests on the floristic composition, diversity and distribution pattern, and population structure of associated trees in a part of Eastern Ghats. Two forest communities viz., Sal-dominated Moist Deciduous Forest (SDMDF) and Moist Deciduous Forest without Sal (MDFWS) were selected for the study. Both these forests had sandy loam and acidic soil, though organic carbon was relatively higher (0.61%) in SDMDF than MDFWS (0.22%). While the SDMDF had 77 species (28 trees, 24 shrubs and 25 herbs) belonging to 51 families and 67 genera, the MDFWS had 111 species (44 trees, 22 shrubs and 45 herbs) belonging to 64 families and 104 genera. While Dipterocarpaceae was the dominant family in SDMDF, Combretaceae was dominant family in MDFWS. Both forest types showed an inverse J-shaped population structure indicating regenerating population. Phyllanthus emblica in SDMDF and Pterospermum xylocarpum and Schrebera swieteioides in MDFWS showed no regeneration. The results suggest that MDFWS maintain higher species diversity and ecosystem vitality than the SDMDF.
Willingness To Pay (WTP) for Community-Based-Conservation Activities: A Comparative Study of Harike, Ropar and Nangal Wetlands in Punjab, India
Authors: Kumar Gaurav , Kaur Amandeep , Parida Jajati Keshari , Singh Arti , Singh Kiran Kumari
Published: July 2024

Conservation of wetlands is essential because they provide numerous benefits to mankind in supporting human life, ecosystems and biodiversity, but predominant number of wetlands are at risk of degradation and loss due to both anthropogenic and natural processes. In this context, community participation is very important in the process of conservation of wetlands. Based on a primary survey of communities (401 households) living around three important wetlands of international importance (Harike, Ropar and Conservation of wetlands is essential because they provide numerous benefits to mankind in supporting human life, ecosystems and biodiversity, but predominant number of wetlands are at risk of degradation and loss due to both anthropogenic and natural processes. In this context, community participation is very important in the process of conservation of wetlands. Based on a primary survey of communities (401 households) living around three important wetlands of international importance (Harike, Ropar and Nangal Wetlands of Punjab), we examined the factors that determine individuals’ willingness to pay for the protection of these wetlands. Using both qualitative (Likert scale) and quantitative (Probit regression) tools, we observed that these wetlands not only provide livelihood mechanisms to local people (living in villages and surrounding urban centers), but they also provide recreational opportunities. The respondents are aware about the ecological significance of the wetland and are willing to pay an average amount of INR 30 (US$0.5) per month. The standard of living, individual’s level of education and awareness, and occupation significantly determine their willingness to pay for wetland protection in Punjab. Results of this study advocate the conservation of these wetlands from the perspective of sustaining the livelihoods of local people and provision of ecosystem services (ES) in Punjab, India.
Impact of Opencast Mining on Soil Physico-Chemical Properties – A Case Study from Bansra OCP of Raniganj Coalfield
Authors: Chakraborty Riya , Gupta (Joshi) Hema
Published: July 2024

Coal mining activities affect the soil by causing soil erosion, formation of sinkholes, and leaching chemicals into the soil. The overburden dumps deposited in un-mined areas create mine spoils causing various environmental problems. Present study compared soil physico-chemical properties from an open cast coal mine of Raniganj (Bansra OCP) and a protected forest Ballavpur Wildlife Sanctuary (BWS) to investigate the effects of open cast coal mining on soil quality. Layer wise (0-10, 10-20 and 20-30 cm) soil samples were collected from 0-, 4-, 7- and 26-year old overburden dumps of Bansra OCP and also from BWS. Layer wise, no significant variations were observed in soil properties. ANOVA indicated significant variations in soil properties among overburden dumps and forest. Soil pH, calcium, sodium, magnesium and electrical conductivity were higher in overburden dumps than in the forest. These cations showed 51 to 91% increase in overburden dumps compared to the forest soil. Mining activity altered the soil quality due to decline in organic carbon, available nitrogen, potassium and phosphorus in the young aged overburden dumps. With the increase in the age of overburden dumps, significant recovery in organic carbon, mineral nitrogen and magnesium was observed, while pH, moisture, calcium and sodium declined significantly. No significant increase was observed in soil potassium and phosphorus, while clay and silt contents remained lower in all the overburden dumps.
Exploring the Multifaceted Benefits of Azolla: A Comprehensive Review of an Aquatic Fern’s Biological and Practical Contributions
Authors: K Saranya Devi , KTV Vijayan , K. S. Deepthi , CV Reshma , Sangeetha Menon
Published: July 2024

Azolla, also known as “green gold” or “super plant,” is a nitrogen-fixing pteridophyte found in temperate and tropical freshwater ecosystems. This free-floating aquatic fern, native to Asia, Africa, and the Americas, thrives in diverse aquatic habitats, including swamps, ditches, lakes, and shallow rivers. It generates full biomass in a relatively short period of time. It acts as a nitrogen biofertilizer and boosts rice productivity. Beyond its role in agriculture, Azolla serves as a versatile resource, finding applications in livestock feed, human nutrition, hydrogen fuel production, biogas generation, pest control, and water purification. Notably, Azolla exhibits hyperaccumulation capabilities for various heavy metal contaminants and can effectively absorb ammonium and phosphorous from wastewater. Moreover, it possesses antimicrobial properties and a rich array of phytochemical compounds, promising multifaceted benefits in diverse fields. This review highlights the vast potential of Azolla, emphasizing its suitability for extensive research and development in food, feed, and fodder applications, as well as household cultivation and utilization. To fully harness the myriad advantages offered by Azolla and promote sustainability across various sectors, further exploration and investigation into its untapped applications remain imperative. Azolla holds the key to addressing numerous environmental, agricultural, and industrial challenges, paving the way for a more sustainable and resource-efficient future.
Comparative Analysis of Sequence, Chromosomal Arrangement and Cis-Regulatory Elements of SQS Genes Across Brassicaceae
Authors: Bangkim Rajkumar , Chaudhary Komal , Panjabi Priya
Published: July 2024

Plant sterols are known to be involved in plant growth and development and also in plants' response to stress conditions. Squalene synthase (SQS) is an important enzyme for the biosynthesis of sterols and triterpenoids. Owing to their crucial role in plants, SQS genes have been identified and characterized in several plants, however not much is known about their cis-regulatory regions. In our previous study, we identified Brassicaceae specific duplications of the gene, providing an ideal opportunity to explore the diversification of the regulatory regions across the gene copies. In this study we identified 49 SQS genes from 12 species of Brassicaceae and analyzed their genomic distribution, physicochemical properties, subcellular localization, cis-regulatory element (CRE) landscape and sequence evolution (Ka/Ks ratios). The SQS proteins were predicted to be highly stable, dominated by aliphatic amino acids, hydrophilic in nature and localized within the endoplasmic reticulum. In-silico promoter analysis identified 50 types of CREs with the predominance of light-responsive (22), followed by hormone-responsive (9), stress-responsive (7) and   plant growth and development (9) elements.  We identified differences both in the type and distribution of CREs across the SQS duplicates suggestive of regulatory divergence of the paralogs. The Ka/Ks analysis depicted that all the SQS genes are under purifying selection pressure. The information generated in this study would provide a useful resource for further investigations in SQS genes in Brassicaceae.
Erin Zimmerman. 2024. Unrooted: Botany, Motherhood, and the Fight to Save an Old Science, Melville House, New York and London. 272 pages. ISBN: 9781685890704. $28.99
Authors: Rao K S
Published: July 2024

.
Carbon Dynamics in Meghalaya: Modelling Current Stock and Future Sequestration Potential
Authors: Wahlang Raymond , Chaturvedi Shiva Shankar
Published: July 2024

Soil organic carbon is the carbon contained within soil organic matter (2–10% soil mass) and has important physical, chemical and biological functions.  Organic carbon influences many soil characteristics including colour, nutrient holding capacity, nutrient turnover and stability, which in turn influences water relations, aeration, workability and carbon sequestration. This study evaluates the soil organic carbon dynamics at 3 depths (0-15, 15-30 and 30-45 cm) from different land use types that were assessed for their physico-chemical properties. The main outcome of the study was the generation of soil organic carbon models of the present carbon stock in the soil as well as the sequestration potential using InVEST (Integrated Valuation of Ecosystem Services and Tradeoffs) carbon storage and sequestration model. InVEST is an open-source software with a suite of free models used in mapping the value of ecosystem services. InVEST enables decision makers to quantify tradeoffs associated with alternative management choices and to identify areas where investments can enhance human development and ecosystem conservation.
Evaluation of Water Quality Parameters and Zooplankton Community during Pre- and Post-Covid Phases at Chandravalli Lake, Chitradurga District, Karnataka, India
Authors: S K Basavaraj , Kadadevaru Girish
Published: July 2024

The present work deals with variations in physico-chemical parameters and zooplankton community during pre- and post-covid phases at Chandravalli Lake, a pre-historic water body located in Chitradurga district, Karnataka, India. Eighteen water quality parameters were analysed and zooplankton community diversity were studied during the two phases. A total of forty three zooplanktons were recorded during the study. Cladocera was the dominating group during both pre- and post-covid periods. Tropocyclops prasinus belonging to Copepoda was the most abundant species in this water body. Ostracods were recorded only when the water was turbid and the TDS was also high at pre-covid phase. After the lockdown period the water was clear and the Ostracods almost vanished. The Principal Component Analysis, CCA and correlation studies indicate the variations of biotic and abiotic factors during pre- and post-covid phases. The presence of eutrophic indicators in the water body suggests for regular monitoring to conserve the water body from further degradation
Water Logging Affect Tissue Protein, Lipid Peroxidation and Enzyme Activities in the Epigeic Earthworm Eudrilus eugeniae (Kinberg)
Authors: Mishra C S K , Samal Suryasikha , Acharya Pratik
Published: July 2024

Oxygen deprivation caused due to water logging during flood could affect physiology of earthworms with significant increase in oxidative stress. This study reports the effects of short-term water logging of 12h and 24h duration with different water column heights and consequent depletion in oxygen level in water on survivability, tissue protein, lipid peroxidation (LPX) levels and activities of the enzymes, lactate dehydrogenase (LDH) and catalase (CAT) of the earthworm, Eudrilus eugeniae. The survivabilities were 30% and 15% under 5cms (T1) and 10cms (T2) water columns after 24h. With depletion of DO in the water, tissue protein of the earthworm indicated significant increase up to 12h but there after declined sharply up to 24h. Significant increase in LPX level, LDH and CAT activities were observed after 12h and 24h.The biochemical parameters of the animal showed significant variation between treatments and was found to be negatively correlated with DO of water column. It was concluded that hypoxia due to short-term waterlogging could seriously impair the metabolism and survival of earthworms.
Impact of Exotic Fishes on Ecosystem, Economics and Management
Authors: Gaupale Tekchand C , Sontakke Gajanan K
Published: July 2024

The introduction of exotic fishes into India began in 1863 with the introduction of trout eggs in the Nilgiri Hills andstill continued for various purposes. India has abundant aquatic resources for aquaculture practices and trying toproduce more fish in a shorter span of time. This has resulted in overexploitation of enormous quantities of alieninvasive fishes which adversely affecting the native aquatic diversity. It is adversely affecting the ecosystem andeconomy of the communities dependent on it. Once the exotic fish species establishes itself, complete eradicationis difficult and more expensive. The aim of this review is to collate the possible impact of exotic fishes in Indianaquatic systems and draw attention to the regulation of such alien fishes.
Assessment of Testate Amoeba (Protozoa) assemblage in Bibhutibhushan Wildlife Sanctuary, West Bengal
Authors: Chaudhary Aradhana , Purushothaman Jasmine
Published: July 2024

In this study we assessed the assemblage of the testate amoeba in the fresh water sample collected from the Bibhutibhushan Wildlife Sanctuary, West Bengal, India during January 2023. Twenty three species belonging to 10 Genera, 6 Families, and 2 orders are recorded from this sanctuary where 57 percent belongs to Phylum Tubulinea and rest 43 percentage belongs to Phylum Cercozoa. This evergreen forest showed a significant diversity and serves as a repository for many testaceans which indicates the fertile quotient of alluvial soil found in this region.
Diversity and Sesonal Variation of Phycofloral Hydrodictyaceae from Kothandaramar Temple Tank, West Mambalam, Chennai, Tamil Nadu, India
Authors: Saravanan ManiKandan , Elaiyasurya Ramakrishnan  , Desingurajan Ponraj  , Sankaran Balakrishnan*
Published: July 2024

This preliminary study explored the diversity and seasonal pattern of Hydrodictyaceae members found at Kothandaramar Temple Tank, Chennai, South India. It is one of the largest freshwater temple tanks of Chennai. The members of this family typically take on twisted, triangular, quadrangular, or polygonal forms. Cell angles, whether they have spines or not, are straightforward. The diversity of the 27 phycofloral species were identified and classified.
Green Synthesis of Silver Nanoparticles and its Antimicrobial and Antioxidant Activity of Bacopa monnieri L.
Authors: Amudha N , Magalingam R , Selvam K , Ambikapathy V , Prakash P
Published: July 2024

Bacopa monnieri, also referred to as Herpestis monnieri, water hyssop, and “Brahmi” has been used in the Ayurvedic system of medicine for centuries. The silver nanoparticles are most commonly used for sterilizing in consumer and medical products include fabrics, food storage bags, refrigerator surfaces and personal care products. This study explores the green synthesis of silver nanoparticles using B. monnieri. The biosynthesized Ag-NPs were characterized using UV-Vis-spectrophotometer and the antioxidant ability of AgNPs mediated B. monnieri extract was analyzed using DPPH and Hydrogen peroxide assay. The percentage of DPPH and H2O2 activity increased with increasing concentration of AgNPs, The AgNPs mediated leaves extract of B. monnieri was performed for the determination of anti-inflammatory activity and antimicrobial activity. Aeromonas sp., Bacillus cereus, Brevibacillus parabrevis, Enterococcus pneumoniae, Escherichia coli, Pseudomonas aeruginosa, Salmonella sp., Staphylococcus aureus, Aspergillus flavus, A. niger, A. nidulans, Penicillum funiculosum, A. fumigatus, Trichoderma harzianum, A. terreus and A. candidus were selected for the antimicrobial activity ofsilver nanoparticles. The maximum zone of inhibition was found against E. coli and A. candidus at 80 μl concentration. This study concluded that silver nanoparticles have a significant potential as an antimicrobial compound against the pathogenic microorganisms studied and can be used to treat infectious diseases caused bybacteria. Silver nanoparticles have a major role on nanotechnology and nanomedicine.
Spatio-Temporal Changes in Forest Cover and Forest Fragmentation in the Northern Western Ghats
Authors: Badhe Yogesh P , Jaybhaye Ravindra G , Turkar Komal L , Kale Poorva K
Published: July 2024

The Western Ghats of India is rich in variety of flora and fauna and specially known for its endemism. The growing urbanization, expansion of agriculture and other anthropogenic interferences results in forest fragmentation and degradation of habitat. Spatio-temporal changes in forest cover and the variation in forest fragmentation in the Anjaneri, Panchgani, and Kas Plateau regions of the Western Ghats for the years between 1989 and 2015 were assessed. Thematic maps of the area were generated using multitemporal satellite images and geospatial techniques for the years of 1989, 1999, 2006, and 2015. Substantial decline in area under forest cover of the study area occurred during this period. Deforestation at Panchagani in comparison is higher than that at Aanjaneri and Kas. The causes of decline in area under forest are increasing area under agriculture, expansion of plantation agriculture, increasing built-up area and tourism infrastructure development. The forest fragmentation analysis revealed increase in the number of forest patches and decrease in patch size over the period. Rapid landscape transformation at the outer edges of the forest regions effects more habitat fragmentation and loss within the core forest area. The Anjaneri, Panchgani and Kas Plateau regions are ecologically and culturally significant. There is an urgent need of forest conservation measures and sustainable land-use planning which includes control of deforestation, promoting reforestation efforts, and improving landscape connectivity by establishing ecological corridors. The study also recommends policies based on principle of judicious balance in development activities with consideration preservation and restoration of the natural environment to preserving the environmental stability of this biodiversity hotspot region.
Эффективная трехмерная оболочечная модель для послойного исследования напряженно-деформированного состояния трехслойных нерегулярных цилиндрических оболочек
Authors: Bakulin Vladimir Nikolaevich
Published: July 2024

Представлен подход к получению аппроксимаций и построению трехмерной оболочечной модели слоя заполнителя путем применения эффективных аппроксимирующих функций, используемых для двумерных моделей несущих слоев в общем случае нерегулярных трехслойных цилиндрических оболочек, в том числе ослабленных прямоугольными вырезами. Эффективные аппроксимирующие функции перемещений несущих слоев основаны на первоначальной аппроксимации деформаций. В качестве примера впервые проведены исследования влияния угла раствора прямоугольных в плане вырезов на напряженно-деформированное состояние трехслойных цилиндрических оболочек.
О движении шара, находящегося между вращающимися плоскостями с вязким трением
Authors: Koshelev Alexandr , Kugushev Evgenii Ivanovich , Shahova Tatiana Valentinovna
Published: July 2024

Рассматривается задача о движении шара между двумя равномерно вращающимися горизонтальными плоскостями c линейным вязким трением. Найдены стационарные движения шара и указаны параметры системы, при которых эти движения устойчивы или же неустойчивы. Для малоинерционного шара показано, что его уравнения движения имеют тихоновский тип уравнений с малым параметром при части производных. Исследована динамика такого шара на конечном промежутке времени в пределе при стремлении центрального момента инерции шара к нулю.
Топологические инварианты некоторых бильярдных упорядоченных игр
Authors: Turina Kristina Evgenievna
Published: July 2024

В статье вычислены инварианты лиувиллевой эквивалентности для бильярдных книжек, реализующих некоторые упорядоченные бильярдные игры, а именно для интегрируемых бильярдных книжек, склеенных из $m$ дисков, ограниченных эллипсом, и не более чем из двух колец, ограниченных двумя софокусными эллипсами.
Модель переменной структуры для исследования заноса четырехколесного аппарата с пробуксовывающими колесами
Authors: Vlakhova Anastassia Vladimirovna , Novoderova Anna Pavlovna
Published: July 2024

С использованием "велосипедной" модели изучается динамика двухосного четырехколесного аппарата на начальном этапе заноса, развивающегося в результате пробуксовки колес ведущей оси. Для описания взаимодействия колес с опорной плоскостью используются модель трения Кулона, модель бокового увода и неголономная модель. Построена модель переменной структуры, описывающая этапы движения аппарата. Для исследования применяются асимптотические методы и метод фазовой плоскости.
Об одном обратном методе решения задач о колебаниях механических систем с движущимися границами
Authors: Litvinov Vladislav Lvovich , Litvinova Kristina Vladislavovna
Published: July 2024

Рассмотрен аналитический метод решения волнового уравнения, описывающего колебания систем с движущимися границами. Путем замены переменных, останавливающей границы и оставляющей уравнение инвариантным, исходная краевая задача сведена к системе функционально-разностных уравнений, которая может быть решена с помощью прямого и обратного методов. Описан обратный метод, позволяющий аппроксимировать достаточно разнообразные законы движения границ законами, полученными из решения обратной задачи. Найдены новые частные решения для достаточно широкого круга законов движения границ. Рассмотрен прямой асимптотический метод приближенного решения функционального уравнения. Произведена оценка погрешностей приближенного метода в зависимости от скорости движения границы.
PUBLIC ADMINISTRATION IN THE NEW GEOPOLITICAL AND GEO ECONOMIC ENVIRONMENT GEO-ECONOMIC CONDITIONS (RESULTS OF THE XX INTERNATIONAL CONFERENCE)PART 2
Authors: KUDINA M.V. ,   Lomonosov Moscow State University, ISHEKOV K.A. , SOBOLEV S.A. ,   Lomonosov Moscow State University,   Lomonosov Moscow State University
Published: July 2024

The publication provides an overview of the 20th International Scientific Conference “Public Administration in New Geopolitical and Geo-Economic Conditions”, held annually at the Faculty of Public Administration of M.V. Lomonosov Moscow State University. During the conference, new trends in the science and practice of public administration, challenges of the modern world economy, problems and prospects of digital transformation of public administration, problems of regional and municipal management, features of staffing the public administration system, prospects for strategic planning, challenges and prospects of Eurasian integration, the role of BRICS countries on the path to establishing a new world order, issues of anti-crisis management of the public and commercial sectors, modern capabilities for managing social systems and personnel management in the face of the challenges of new times. The economic, political, legal aspects of the functioning of public authority, national issues, historical processes, social transformations, issues of sustainable development of the state, crisis phenomena at the macro-, meso- and micro levels, problems of sustainable business development in the context of modern global processes, new personnel technologies of domestic companies.
THE SCOPE OF SPORT AND TOURIST EXPLORATION OF THE TATRA PEAKS USING A PROMINENCE-BASED APPROACH
Authors: Mielus Piotr
Published: July 2024

Purpose. This article is aimed at verifying the scope of tourist and sport exploration of the Tatra peaks in their historical context. It is also an attempt to evaluate the determinants for pace and scale of Tatra Mountain exploration.Method. In order to assess the set of peaks and their selection or grouping, digital maps based on LiDAR measurements were developed and field surveys conducted. On this basis, prominence-based lists of peaks were created. “Prominence” is one of the important numerical criteria for a peak’s significance. Historical data (e.g. date of the first ascent, scale of difficulty of the easiest route to the top) was determined based on critical analysis of the literature on the subject (especially climbing guidebooks).Findings. The conclusions from analysis of the database broadly confirm the evaluation of a growth rate and sport quality for the exploration of the Tatra mountains. The beginning of exploration activity was observed from just before World War 1. It was a consequence of importation of alpinist ideology towards the Tatra mountains. These generic observations were supplemented by quantitative analysis. In the research, it was revealed that, over time, the interest of climbers moved to more difficult and less prominent peaks.Research and conclusions limitations. Not all objects found on the digital maps were properly identified and described. This was due to limited information in the literature and difficulties regarding physical access to selected peaks. Some historical data are unknown or uncertain, leading to incomplete conclusions.Practical implications. A cognitive implication is an estimation of the research gap regarding exploration of the Tatra Mountains. The awareness of a significant number of unclimbed peaks may increase human pressure on natural protection areas with consequential ecological implications.Originality. The article is a first attempt focused on quantification of the pace of exploring the Tatra mountains with objective criteria using a prominence-based approach. The added value of this paper is the preparation of an objective database, created using contemporary methods of field analysis based on digital LiDAR mapping.Type of paper. The article presents the results of an empirical study.
IMPACT OF COVID-19 PANDEMIC ON TRAVEL DECISIONS OF YOUNG POLISH TOURISTS
Authors: Gałązka Małgorzata
Published: July 2024

Purpose. The aim of the study is to examine how the SARS-CoV-2 virus pandemic, which lasted for more than two years, affected the travel decisions of young Polish tourists.Method. A survey research was conducted using online questionnaires (CAWI technique), in which young adults aged 20-30 were surveyed. The research was conducted between April and October 2022, and the study group comprised 230 participants.Findings. It is clear that as a result of the introducing, among others, restrictions on movement, closure of borders, facilities, etc. during the pandemic period, the decisions and forms of activity undertaken by tourists had to change. Domestic trips, mostly of short duration, gained in popularity, which primarily offered respondents the opportunity to change their surroundings, to leave the home where they lived and worked on a daily basis. The most important factor respondents took and continue to take into account when choosing a tourist destination is its total cost. During the pandemic, respondents began to pay attention to and take advantage of additional benefits, such as health insurance, the ability to cancel or resign from a trip at no cost. More than half of the respondents during the pandemic, as well as immediately after it, did not give up taking tourist trips, but adapted them to the prevailing conditions and their current possibilities, primarily financial.Research and conclusions limitations. The study was conducted among a group of 230 people, which is not a representative sample and does not allow for general conclusions.Practical implications. The study, in part, allows to identify elements worth paying attention to in the process of planning travel offers aimed at young adults.Originality. The subject matter discussed touches upon the changes that have occurred and continue to occur in the post-pandemic era, both in tourism and among tourists themselves.Type of paper. Article presenting the results of empirical research.
REPORT FROM THE 13TH INTERNATIONAL SCIENTIFIC CONFERENCE TOURISM IN SOCIAL SCIENCES. NEW TECHNOLOGIES IN A NEW REALITY, KRAKÓW, 13-14 MAY, 2024
Authors: Szczechowicz Bartosz , Panasiuk Aleksander
Published: July 2024

-
REMOTE WORK AND ITS SUBJECTIVE IMPACT ON THE EMPLOYEE WELL-BEING
Authors: Kołodziej Jakub J. , Jaworek Magdalena
Published: July 2024

The aim of this work was to determine how the transition to remote work translates into the functioning of an individual: both in terms of his or her mental state, as well as selected psychological aspects related to the performance of professional duties. The study was conducted on a sample of 152 people, employees of a public entity, using a self-constructed survey. It was shown that the change of work from stationary to remote work had an impact on employees’ well-being and selected aspects related to professional functioning, although it varied depending on the respondent. The factor that turned out to be positively related to the positive reactions of the respondent towards remote work, among those taken into account, such as age, gender, type of residence (house, apartment), number of household members and a convenient place to work in one’s own apartment/house, was only the last one. turned out to be important.
Informal Learning: Some Underlying Philosophies
Authors: Garrick John
Published: July 2024

In the theory and practice of adult education and training, much of the writing on
informal learning has focused on three main topics. These topics tend to represent
the importance of informal learning as a valid form of knowledge acquisition; they
explore how people learn from experience, and they seek to establish how learning
from experience can be best facilitated and assessed. A postmodern critique of
experiential learning has also emerged which challenges the arguments of each of
these perspectives. The postmodern critique asks "why has this form of learning
become an important discourse at this particular historic moment?" This article is
primarily concerned with the underlying philosophies of these topics. It argues that
the uses of informal learning will tend to embody the values and ultimate goals of
its implicit philosophy. Developing a socially useful theory to eliminate oppression
now requires attention to the elusive conditions of post modernity, and informal
learning-at work and in education-is a central feature of these conditions.

Résumé

Les écrits théoriques et pratiques sur l'apprentissage informel traitent
principalement de trois sujets. On y décrit l'importance de l'apprentissage informel
en tant que mode valide d'acquisition de connaissances; on y explore les méthodes
employées par les apprenants en situation informelle; enfin, on cherche des moyens
pour soutenir et évaluer les apprentissages informels. Une critique postmoderne de
l'apprentissage expérientiel remet en question chacune de ces trois perspectives, en
posant d'abord la question: «Pourquoi cette forme d'apprentissage occupe-t-elle une
place aussi importante dans le discours actuel, à ce moment de l'histoire?» Le
présent article se penche sur les implications philosophiques de cette question. On
verra que l'apprentissage informel reflète des valeurs, des buts et une philosophic
implicites. Afin d'élaborer une théorie sociale utile à la lutte contre l'oppression, il
faut tenir compte des conditions cachées de la post-modernité; parmi ces
conditions, l'apprentissage informel en milieu de travail et dans les institution
d'enseignement occupe une place de premier plan.