bluuebunny/crossref_metadata_2025_split huggingface dataset:
THE ABUNDANCE OF ORNAMENTAL CORALS AFTER MASS DIE OFF IN 1997 ON THE PADANG SHELF REEF SYSTEM, WEST SUMATERA, INDONESIA
Authors: Johan Ofri , Prasetio Anjang B. , Ardi Idil , Syam Amran R. , Quinn Norman J. 
Published: January 2018

ABSTRACTThe Indonesian Ministry of Marine Affairs and Fisheries aims to establish export quota ornamental corals based on scientifically-founded data from the natural environment. The purpose of this study was to determine the abundance of ornamental coral after mass die off in 1997. Ornamental corals were classified into three groups based on the guideline of ornamental coral propagation for trading purposes. Classification categories are rapid (3-6 months), middle (8-12 months), and slow growth rate (>24 months), which relates to their harvesting time when transplanted for the trade purpose. The survey method used line intercept transects to get coral condition data and belt transect with 2 m width to get ornamental coral data. Both line and belt transect have 30 m length and with three replicates. The study showed number of colony and abundance of ornamental coral for fast growth rate group such as Acropora sp (1348 col & 7.49 col/m2), Galaxea sp, Hydnophora exesa, H. microconus, Pocillopora damicornis, Stylopora sp and Montipora sp with the highest abundant found on Acropora sp and Montipora sp (1348 col & 7.49 col/m2). Whereas the coral which from middle growth rate were Leptoseris sp, Pavona sp, Platygyra sp, Favia sp, Favites sp with the highest abundant found on Favia sp (101 col & 0.56 col/m2). Coral species typically used for ornamental coral trade within the slow growth rate category such massive coral were not found on this survey. Due to the massive coral die-off in 1997 and the paucity of ornamental corals, the utilization of ornamental coral should be supported by coral transplantation and the broodstock of slow growth of coral taken from other area. Keywords: ornamental coral, abundant, mass die off, Padang Waters
COMMUNITY STRUCTURE OF GROUPER FISH (Serranidae) LANDED IN PEUKAN BADA SUBDISTRICT, ACEH PROVINCE
Authors: Astuti Rika , Yonvitner . , Kamal M. Mukhlis 
Published: January 2018

ABSTRACTInformation on important and economic grouper fish (Serranidae family) in Peukan Bada waters, Province of Aceh is very limited. This objecives of this research were to determine spatial and temporal variabilities in species composition and community structure of grouper landed in Peukan Bada, Aceh Besar District. The research was conducted using survey method during February to June 2015 on three fish landing sites i.e., Ujong Pancu, Lamtengoh, and Lamteh. The groupers were caught by using handline. The landed fishes were therefore counted and identified up to species level. The data were also analyzed based on taxonomic information and individual number of each species, community structure using the diversity index (H’), eveness (E), and dominance (D). The results obtained 835 individual, 21 species of grouper belong to 4 genera (Aethaloperca, Cephalopholis, Epinephelus dan Variola). Based on species, Epinephelus fasciatus and Cephalopholis sonnerati were the most grouper fishes in the region. Based on community structure, diversity value (H’) in Lam-tengoh was higher than that in Ujong Pancu and Lamteh. Total grouper fish catches were not significantly different (P>0,05) among the three region. Meanwhile, total grouper fish cacthes were significantly different between seasons (p<0,05). The diversity species variation during five months of observation was affected by the differences in catches area, the condition of aquatic enviroment, and oceanographic condition.Keywords: Groupers, Peukan Bada, species composition, community structure
APPLICATION OF ARTIFICIAL FEED WITH DIFFERENT PROTEIN CONTENT ON BLACKSADDLED CORAL GROUPER Plectropomus laevis NURSERY
Authors: Slamet Bejo 
Published: January 2018

Blacksaddled coral grouper Plectropomus laevis is an export commodity and possess high economic value in Asian markets, but the wild population is already threatened. The purpose of this study was to determine the best food for improving growth and survival rate. The nursering were conducted using 9 fiberglass tanks with 1 m3 of volume for 6 month, with three treatment and 3 replicates. Three different foods were used as treatments, i.e.: Local commersial pellet with crude protein content 50% (A), im-port commersial pellet with cure protein content 55% (B) and trash fish (sardine) (C). The initial size of blacksaddled coral grouper seed were 2.5 cm total lengths (TL), 0.45 g body weight (BW). The stocking density of fry was reared at 250 fish per m3. A complete random design was used as an experiment design. Data was analysed using ANOVA statistics. Feeding times were twice a day at 08.00 and 15.00 local time; with dose at satiation. The samplings of fry were conducted every 15 day to measure of survival rate (SR), TL and BW. On the end of experiment was calculated economic ana-lized (BC ratio). The result showed that there was significant different (P<0.05) among treatments for SR and growth rate (GR). The better SR and GR was at treatment B with SR 96.5%, and GR 0.75g/day followed by treatment C (SR 90.5%: GR 0.54g/day) and treatment A (SR 81.5%: GR 0.42g/ day. The food conversion ratio was 1.15 in treatment A, 1.02 in B and 4.81 (wet weight) in C. From economic analized showed that the best BC ratio was in pellet 55% protein (B), followed by trash fish (C) and pellet 50% protein (A) with BC ratio of 1.75, 1.72 and 1.41 respectively.
COMPOSITION AND ANTIBACTERIAL ACTIVITIES OF MARINE SPONGES FROM DIFFERENT SEAGRASS ECOSYSTEMS IN KEPULAUAN SERIBU WATERS, JAKARTA
Authors: Ismet Meutia Samira , Bengen Dietriech G. , Radjasa Ocky Karna , Kawaroe Mujizat 
Published: January 2018

A seagrass ecosystem has high productivity that supports many species of associated invertebrates, including sponges. However, seagrass beds with different habitat condition, including seagrass species composition and architectural morphotypes could affect the associative sponge in the ecosystem. This study is aimed to find out about sponge species composition in different seagrass beds. The observation was conducted in two seagrass ecosystems at the east (site 1) and at the southeast (site 2) of Pramuka Island, Kepulauan Seribu, near Jakarta Bay, Indonesia. The Belt Transect was used to assess the density of sponges on the seagrass ecosystem, which was placed parallel to the coastline. The sponges species has higher number at the east than the southeast, with both sites was dominated by Spirastrella sp. and Agelas conifera. Correspondence Analysis (CA) results showed that sponges community has close interaction with seagrass abundance especially Cymodocea rotundata and Enhalus acoroides and architectural characteristic (patchily or continues meadows). Antibacterial assay of sponges tissue showed that only 7 sponge species has activity against targeting bacteria. The CA results also showed that sponge antibacterial activity was not correlated with seagrass species, with low bactericide and bacteriastatic activities. The implication of this result showed that sponges community can grow up at seagrass ecosystem eventhough their potential secondary metabolite activities is very low probably due to lack of stimulus mechanisms in the environment.
AMINO ACID PROFILE AND BIOACTIVE COMPOUNDS OF SEAHORSE Hippocampus comes
Authors: Sari Evi Maya , Nurilmala Mala , Abdullah Asadatun 
Published: January 2018

Seahorse is one of the marine living resources usually used as ornamental fish, traditional medicinal materials, and souvenirs. The purpose of the study was to determine the proximate composition of wet and dry seahorses, determine the profile of amino acid hydrolyzate and powder of seahorses, and determines to content of bioactive compounds from the ethanol extract of seahorses on qualitatively. The sample of this study is seahorses obtained from nature. Prviously, seahorses were morphometric identified, subsequently, seahorses were made of the powder, hydrolyzate, and ethanol extract. Several analyzes used were qualitative analysis of proximate, amino acid, and phytochemical analysis. Morphometric identification results indicate that the type is Hippocampus comes. The proximate composition is water content is 66.16 ± 0.33% (wet) and 10.33 ± 0.16% (dry), ash content of 9.55 ± 0.15% (wet) and 9.65 ± 0.16% (dry), lipid content 1.18 ± 0.23% (wet) and 4.89 ± 0.37% (dry), protein content of 22.73 ± 0.17% (wet) and 69.83 ± 0.31% (dry), carbohydrate 0.39 ± 0.23 (wet) and 5.50 ± 0.34 (dry). The amino acid composition both on hydrolyzate and powder comprising 9 essential amino acids are lysine, leucine, isoleucine, phenylalaline, valine, methionine, histidine, arginine, and threonine and 6 non essential amino acids are tyrosine, alanine, glycine, serine, glutamic acid, and aspartic acid. The results of identification of bioactive compounds is flavonoids, triterpenoids, steroids, saponins, and phenol of hydroquinone. Keywords: Hippocampus comes, proximate analysis, amino acid, and bioactive compounds
ESTIMASI STOK KARBON MANGROVE (ABOVEGROUND) DI TANJUNG API-API, SUMATERA SELATAN
Authors: Purwiyanto Anna Ida Sunaryo , Agustriani Fitri 
Published: January 2018

The rapid development of infrastructure that occurred in the area of Tanjung Api-api resulted in changes in the function of mangrove land along the coast. Directly, this also impacts on the sustainability of ecological functions of mangroves. This study aims to estimate changes (prior to infrastructure development and current conditions) of aboveground carbon reserves stored in mangrove forests in Tanjung Api-api. This research was conducted in June-August 2016. Carbon stocks in mangrove along Tanjung Api-api were conducted by surveying the mangrove species and density, and then calculating biomass and carbon stock using allometric equation. While changes in carbon stocks are calculated by converting changes in mangrove area before and after infrastructure development to carbon stock value. The change of mangrove area was done by doing image data processing in 2005 and 2016. The results showed that mangrove Tanjung Api-api has 9 species of mangrove with total mangrove aboveground biomass of Tanjung Api-api is 1.1498 Mg.ha-1 and stored carbon of 0.5235 MgC.ha-1 and able to absorb CO2 of 1.1921 MgC.ha-1. The result of satellite image processing shows that there is a reduction of mangrove land of 1056.6 ha during the last 11 years from 9741.15 ha in 2005 (before development) to 8684.55 ha in 2016. Thus, there is a decrease of mangrove biomass by 1214.894 Mg, carbon stock is reduced by 553.090 MgC and CO2 uptake is reduced by 2029.84 MgC. Keywords : aboveground, CO2, mangrove, Tanjung Api-api
LOBSTER FISHERY MANAGEMENT IN THE MARINE ECOSYSTEM APPROACH AT SIMEULUE ISLAND WATERS (WPP-NRI 572)
Authors: Edwarsyah . 
Published: January 2018

The lobster fishery is one of the leading fisheries commodity on Simeulue Regency so that local government must manage wisely in order to maintain the sustainability of the lobster fishery. Aceh Government Regulation namely Qanun Aceh No. 7 of 2010 concerning fisheries already in effect. However, the institutional system has not functioned optimally in the management of lobster fisheries. The purpose this study is to examine the domain of fishing techniques, socio-economic and institutional management of lobster fisheries with ecosystem approaches in Simeulue waters. Research method using qualitative research. The method of data collection is survey method which is done by purposive sampling approach that is by doing depth responder interview which is considered informative and wide knowledge about the institute. Data analysis using EAFM analysis done with Flag Modeling technique. Based on the results of the study that the assessment of the fishing domain techniques and economic domains in aggregate showed bad category. Meanwhile, social domains and institutional domains show moderate categories so aggregate composites overall show fewer categories. It is therefore necessary to make a tactical decision from the bad to be better in accordance with the category of each EAFM domain. Keywords: fisheries management with ecosystem approach (EAFM), WPP 572, Simeulue
MANEUVERING PERFORMANCE OF A 30 GT FISHING VESSEL WITH ASYMMERICAL PROPELLER CONFIGURATION
Authors: Muhammad Andi Haris , Syarifuddin . , Paroka Daeng , Rahman Sabaruddin , Wisyono . , Pratama Andi Angga 
Published: January 2018

Fishing vessels are designed with a specific mission. That mission is to locate, catch, and preserve fish while out at sea, meanwhile the vessel needed to have good maneuverability. This research describes a study on asymmetrical propeller configuration of a fishing vessel to improve its maneuvering quality. MATLAB-simulink program was used to simulate, the turning circle and the zigzag maneuvers. The simulation program was developed based on the mathematical model for a fishing vessel maneuvering. The mathematical model involved the setting-up a 3 DOF (Degres of Freedom) mathematical model in a modular of MMG (Mathematical Modeling Group) of the hull, propeller and rudder component. The result indicated that twin propeller with asymmetrical had an advantages of turning circle ability of 8% to 14 %, meanwhile the zigzag maneuver 20°/20° had 9 to 20 % 1st overshoot different between left and right heading. Keywords: Configuration, propeller, assymetrical, fisheries, simulation
Good Mining Practice Sebagai Penopang Pengelolaan Pertambangan Berkelanjutan Dan Berwawasan Lingkungan
Authors: Usman Dudi Nasrudin 
Published: December 2017

Garut Regency is a district that has enough of the potential mineral resources, such metallic minerals and nonmetals including sand and andesite, one of the areas is Mount Guntur. Many factors encourage to stop mining activity, one of them is environmental factors. Therefore, it needs a relocation to other areas, by consideration of the potential mineral deposits, to fulfill the increasing market demand. The relocation is done as a step that mining activities do not interfere with mountain tourism, natural environmental conditions, and policies related to the environment, safety and occupational health and spatial planning. The field observations result, study geological location dominated by Qhg, Qypu, and QYM. The other geological aspects that must be considered is the distribution pattern of the river. The vegetation conditions results show that the types of vegetation found in many locations namely crops and plantations, shrubs and bamboo. Based on the calculation of immeasurable resources, there is Boulder andesite-basalt amounted to 13,515,740 MT, with an estimated average thickness taken from the surface to the deepest point of 60 meters penetration geolistrik, although in fact the thickness of andesite - basalt is absence of definite size, thereby the concretion Factor has a value of 30%.
Kajian Faktor-Faktor Penyebab Timbulnya Pasar Minggu Di Kawasan Bandung Timur
Authors: Akliyah Lely Syiddatul 
Published: December 2017

The proliferation of Pasar Minggu in Bandung, especially in the area of Bandung Timur raises some positive and negative impacts. Among the negative impacts is the traffic jam, a heap of waste generated from trade activity, and environmental conditions were filthy and chaotic. If this is allowed to continue, the growth in the market on this week could be growing uncontrollably. As an initial study, it is necessary to explore the factors causing the Pasar Minggu in The Bandung Timur Region. Thereby expect to further of this research can be structured strategies to minimize the negative impact of market developments this week. Selected two sites in Bandung Timur Region namely Metro Region-Margahayu Raya and Jalan Ibrahim Adjie corridor area. The method used is descriptive quantitative data collection methods to survey the secondary data and the primary to the field using a questionnaire and interviews. Found the factors causing the Pasar Minggu in the Bandung Timur Region include: low cost of regular payments, a strategic location near the settlements, ease of transportation to reach the area of trade, traders generally stay not far away from the Sunday market, and the turnover of earning is big enough.
Memasyarakatkan Konservasi Air Melalui Penyuluhan Dan Pembuatan Lubang Biopori (Lbr) Studi Kasus Rt 04/Rw 11 Kelurahan Hegarmanah, Kecamatan Jatinangor, Kota Sumedang
Authors: Renosori Puti 
Published: December 2017

The high population density in the devotion location, causing groundwater getting a much needed, but its condition now is dwindling due to lack of land infiltration. It is caused by the high of land conversion therefore the land becomes water resistant. Many residents who buy clean water during the dry season but when in the rainy season many puddles in the yard and the street due to the capacity of the drainage is not enough anymore. Furthermore, the rainwater runoff in the area contributed to the flooding in the Rancaekek and Jatinangor area. To resolve this issue is done counseling in order to change the rainwater management paradigm that only distributes as soon as possible to maximize their absorption into the drainage channel in a way to invite people to make LRB. LRB chosen because it is one of the appropriate technology that is easy to do, relatively cheap, environmentally friendly and is an effective way to conserve underground water can overcome the water crisis, and contribute significantly to reducing flood donations. Residents with making LRB have benefits to eliminate the puddles in the yard and the street, and further can be groundwater reserves. Because the LRB can be filled with organic waste, which can be turned into compost, then the other benefits are be able to improve the processing of organic waste into compost.
Penyebab Terjadinya Justifikasi Teknis Pada Pekerjaan Jalan Di Sumatera Barat
Authors: Rita Eva 
Published: December 2017

In development and reconstruction of roads frequent changes work items, affecting the cost, turnaround time and quality of work. In order to determine what factors cause of the technical justification has conducted a study of eight packages of road construction and eight packages of reconstruction road capacity of West Sumatra in the unit Implementation of National Road Region I and Region II under theNational Road Agency of West Sumatera Province. The work packages studied wasthe work conducted in 2009 to 2015. The method used was descriptive-evaluative research. Results of the study found the 7 causal factors do technical justification that the initial design of the contract is not in accordance with the results of the engineering field, not taking into account the design life of the road, , has not been calculated in detail the volume and the price for each item of work, do not pay attention to Standard Directorate general of Highways Ministry of public Works, the land is not available when the project is implemented, the results of field surveys for planning is not complete, and the occurrence of overlapping projects between the state and local budgets. To eliminate the occurrence of increased costs due to technical justification is necessary to complete the field survey by calculating in detail the volume and the price for each work item.
Pemberdayaan Masyarakat Rentan Bencana Nagari Salayo Menuju Nagari Tangguh Bencana
Authors: Carlo Nasfryzal 
Published: December 2017

The government had been assigned Salayo of village to serve as a disaster resilient village. Build a disaster resilient village to need the stages and processes to the local community. The process is carried out by the method of PRA (Participatory Rural Appraisal) and community action approach that involve (i) education aspects by providing knowledge and training on disaster and risks as well as the impact of the disaster, (ii) planning aspects through empowerment and practice together with the community to identify hazards and disaster risks, and then planned community action corresponding to the location based on the threat of disasters, (iii) implementation aspects of community action based on priority (iv) organizational aspects and the capacity building through the establishment of disaster preparedness group (KSB). The results show a number of identification of community action plans along with implementation according to the capability of local resources, The actions have been done based on priority with limited time and resources. Disaster preparedness groups (KSB) have been unveiled by local the government.
Sifat Komposit Dari Bahan Serat Akar Wangi Dan Limbah Serbuk Gergajian Kayu Sebagai Bahan Aklternatif Peredam Suara
Authors: Purwanto Purwanto 
Published: December 2017

The increasing use of composites in all fields is engineered materials that many people do to obtain the new alternative materials, one of the materials such as natural vetiver fiber (SAW) which is strong and lightweight and powder sawn (SGK), which is waste material. In this research, manufacturing the composite of SAW and SGK then testing acoustic/absorption power by measuring the absorption coefficient of the sound and the observation of microstructure. The method used in the study is an experiment in the laboratory to make composites based on the ratio of the weight fraction between SAW and SGK from 1: 5, 2: 5, 3: 5, 4: 5 and 5: 5. Having formed the composites, then the specimen has made by an acoustic test that compatible to ASTM E-1050-98 standard with B & K 4206 Small Tube Set test instrument. Furthermore, to determine the composition of fibers in the composites, there do the micro observation. From the results of the show the composites produced the sound absorption ability for the low frequency (1000 Hz) with an absorption coefficient (α) of 0.25 occurred in comparative fraction of 2: 5 (SAW20, SGK50). While at high frequency (5000 Hz) has a value of coefficient (α) of 0.41 occurred in the ratio of 1: 5 (SAW10, SGK50). The number of composition number fiber influence the composite tensile strength and micro observations occurred in the composition ratio of 5: 5 its highest strength.
RANCANGAN PENGERING ENERGI SURYA MENGGUNAKAN KOLEKTOR DAN KIPAS UNTUK PENGERINGAN KAKAO FERMENTASI
Authors: Fatimah Fatimah , Turmuzi Muhamad , Tambun Rondang , Iriany Iriany 
Published: December 2017

Rancangan alat pengering surya tidak langsung menggunakan kolektor plat datar bersirip dan kipas untuk pengeringan kakao fermentasi telah dilakukan. Kualitas produk kakao sangat ditentukan oleh kakao pasca panen yaitu proses fermentasi dan pengeringan. Hasil pengeringan yang baik dicapai pada temperatur (50 – 60) 0C pada laju pengeringan tidak terlalu fluktuatif. Kolektor plat datar bersirip dapat menaikkan suhu udara pengering hingga 300C diatas suhu lingkungan. Tujuan Penelitian ini adalah membuat rancangan alat pengering surya tidak langsung menggunakan kolektor bersirip dan kipas. Sefesifikasi hasil rancangan: box pengering terbuat dari plat aluminium 30 mm dengan dimensi panjang 1m, lebar 1 m dan tinggi 1 m. Pada bahagian atas dibuat cerobong dan kipas untuk sirkulasi udara pengering. Dimensi kolektor panjag 2 m, lebar 1 m, tinggi 0,20 m dan kemiringan 600. Plat dan sirip kolektor terbuat dari aluminium 30 mm, isolator terdiri dari kayu, styrofoam dan rockwool dan penutup kaca bening 8 mm. Hasil perhitungan kinerja alat yang dirancang. Kehilangan panas pada dinding 5,124 Wat, sisi alas 13,268 Wat, penutup kaca 102,670Wat, panas radiasi 0,105 Wat. Total Kehilangan panas 121,167 Wat. Panas masuk pada kolektor sebesar 682,060 Wat dan yang digunakan 492,687 Wat.