cometadata/datacite-titles-descriptions-related-identifiers huggingface dataset:
DOI: 10.5061/dryad.9d2n3
title: Data from: Individual and non-additive effects of exotic sap-feeders on root functional and mycorrhizal traits of a shared conifer host

description: Forest pests drive tree mortality through disruption of functional traits
 linked to nutrient acquisition, growth, and reproduction. The impacts of
 attack by individual or multiple aboveground herbivores on root functional
 traits critical to tree health have received little attention. This is
 especially true for exotic herbivores, organisms often found in disturbed
 forests. We excavated whole-root systems from eastern hemlock (Tsuga
 canadensis) individuals experimentally infested with hemlock woolly
 adelgid (HWA: Adelges tsugae) and elongate hemlock scale (EHS: Fiorina
 externa) individually, or in combination, for periods of two and four
 years. Belowground root biomass, functional traits, and storage nutrients
 were measured to assess impacts of herbivory. We also quantified
 ectomycorrhizal fungal (EMF) colonisation of fine roots and used
 culture-independent methods to examine EMF diversity. Trees infested with
 HWA had a greater root mass fraction (root to total biomass ratio),
 although feeding had no observable effects on root functional traits
 (e.g., specific root length) or on resource allocation to roots. HWA
 feeding did significantly reduce EMF colonisation of hemlock fine roots,
 though surprisingly, EMF diversity and that of other fungal associates
 were unaffected. In contrast to HWA, EHS (alone or in conjunction with
 HWA) feeding had no observable effect on belowground traits or EMF
 colonisation alone; however, its presence mediated HWA effects when trees
 were co-infested. Simultaneous infestation within the same year yielded
 significant reductions in EMF colonisation, while prior EHS attack
 weakened HWA effects. Our results collectively suggest that prior EHS
 attack dampens the impact of HWA on belowground functional traits. This
 highlights how the timing and sequence of herbivore arrival can alter
 plant-mediated interactions between herbivores and their effects on
 above-belowground linkages and associated tree health.
description: SchaefferHemlockFunEcolDataData on exotic herbivore impacts on eastern hemlock root functional traits.
DOI: 10.5281/zenodo.18386317
title: Computational Verification of the Eacologic Invariance: Stability Analysis of the Riemann Zeta Function using Hydrodynamic Filtering Principles (5 \times 10^{11} Terms) (Rechnerische Verifizierung der Eacologic-Invariante: Stabilitätsanalyse der Riemannschen Zeta-Funktion unter Nutzung hydrodynamischer Filter-Prinzipien)

description: This study presents the "Eacologic Framework," a novel computational approach that applies principles of fluid dynamics (Navier-Stokes analogies) to the analysis of the Riemann Zeta function's critical line. The core hypothesis posits that mathematical noise in high-term summation can be treated similarly to turbulence in physical systems, which can be filtered to reveal a structural invariant.

Using a high-performance consumer hardware setup (Ryzen 7600), a computation of 500 billion terms (5 \times 10^{11}) was conducted to test the stability of the proposed "G-Max" filter.

Key Findings:

Identification of an Invariant: Throughout the entire computation range (from 2% to 100% progress), the defined G-Max coefficient remained strictly constant at 0.4851794628. This suggests a fundamental geometric or energetic stability within the chaotic distribution of the Zeta terms.

Convergence: The system demonstrated a robust convergence of the Zeta deviation towards a stable equilibrium of approximately 0.9418, despite induced system load variations (simulating external pressure/noise).

Computational Efficiency: The framework successfully processed the dataset in approx. 13,087 seconds, demonstrating high algorithmic efficiency.

This dataset serves as a proof-of-concept that hydrodynamic filtering logic can isolate stable constants in number theory, offering new perspectives on the behavior of singularities.
DOI: 10.5281/zenodo.18386316
title: Computational Verification of the Eacologic Invariance: Stability Analysis of the Riemann Zeta Function using Hydrodynamic Filtering Principles (5 \times 10^{11} Terms) (Rechnerische Verifizierung der Eacologic-Invariante: Stabilitätsanalyse der Riemannschen Zeta-Funktion unter Nutzung hydrodynamischer Filter-Prinzipien)

description: This study presents the "Eacologic Framework," a novel computational approach that applies principles of fluid dynamics (Navier-Stokes analogies) to the analysis of the Riemann Zeta function's critical line. The core hypothesis posits that mathematical noise in high-term summation can be treated similarly to turbulence in physical systems, which can be filtered to reveal a structural invariant.

Using a high-performance consumer hardware setup (Ryzen 7600), a computation of 500 billion terms (5 \times 10^{11}) was conducted to test the stability of the proposed "G-Max" filter.

Key Findings:

Identification of an Invariant: Throughout the entire computation range (from 2% to 100% progress), the defined G-Max coefficient remained strictly constant at 0.4851794628. This suggests a fundamental geometric or energetic stability within the chaotic distribution of the Zeta terms.

Convergence: The system demonstrated a robust convergence of the Zeta deviation towards a stable equilibrium of approximately 0.9418, despite induced system load variations (simulating external pressure/noise).

Computational Efficiency: The framework successfully processed the dataset in approx. 13,087 seconds, demonstrating high algorithmic efficiency.

This dataset serves as a proof-of-concept that hydrodynamic filtering logic can isolate stable constants in number theory, offering new perspectives on the behavior of singularities.
DOI: 10.5061/dryad.2hg1785
title: Data from: Winners have higher pre-copulatory mating success but losers have better post-copulatory outcomes

description: In many animals, the outcomes of competitive interactions can have lasting
 effects that influence an individual’s reproductive success and have
 important consequences for the strength and direction of evolution via
 sexual selection. In the fruit fly, Drosophila melanogaster, males that
 have won previous contests are more likely to win in subsequent conflicts
 and losers are more likely to lose (winner-loser effects), but the direct
 fitness consequences and genetic underpinnings of this plasticity are
 poorly understood. Here, we tested how male genotype and the outcomes of
 previous male-male conflicts influence male pre- and post-copulatory
 success. We quantified pre-copulatory success in a choice and no-choice
 context, and post-copulatory success by quantifying ejaculate offensive
 and defensive ability. We found that winners have higher reproductive
 success compared to losers in both pre-copulatory scenarios. However,
 losers consistently mated for a longer duration, boosted female fecundity,
 and had an increased paternity share when they were the first males to
 mate, suggesting increased investment into post-copulatory mechanisms.
 Finally, by using clonal hybrids from the Drosophila genetic reference
 panel, we quantified the proportion of phenotypic variance in the
 plasticity between winners and losers that was due to genetic differences.
 Our results place the behavioural data on winner-loser effects in an
 evolutionary context by documenting the potential fitness gain to males
 from altering their reproductive strategy based on fighting experience.
 Our data may also explain the presence and maintenance of trade-offs
 between different male reproductive strategies.
description: Aggression
 DataData for the aggression
 assays comparing levels of bully versus focal
 aggression.Aggression.csvChoice DataData for the choice assays, where females had the choice between a focal and competitor male.Choice.csvNo Choice DataData from no choice experiments, where females only exposed to focal male.NoChoice.csvP1 dataPaternity and offspring data where focal male was first to mate.P1.csvP2 DataPaternity data where focal male was second to mate.P2.csv
DOI: 10.5061/dryad.505f6
title: Data from: Sexual cannibalism increases male material investment in offspring: quantifying terminal reproductive effort in a praying mantis

description: Models of the evolution of sexual cannibalism argue that males may offset
 the cost of cannibalism if components of the male body are directly
 allocated to the eggs that they fertilize. We tested this idea in the
 praying mantid Tenodera sinensis. Males and females were fed differently
 radiolabelled crickets and allowed to mate. Half of the pairs progressed
 to sexual cannibalism and we prevented cannibalism in the other half. We
 assess the relative allocation of both male-derived somatic materials and
 ejaculate materials into the eggs and soma of the female. Our results show
 that male somatic investment contributes to production of offspring. The
 eggs and reproductive tissues of cannibalistic females contained
 significantly more male-derived amino acids than those of
 non-cannibalistic females, and there was an increase in the number of eggs
 produced subsequent to sexual cannibalism. Sexual cannibalism thus
 increases male material investment in offspring. We also show that males
 provide substantial investment via the ejaculate, with males passing about
 25% of their radiolabelled amino acids to females via the ejaculate even
 in the absence of cannibalism.
description: Sexual cannibalism and
 paternal effortMantids were fed
 radiolabeled amino acids and allowed to mate. Females of one treatment
 group cannibalized their mate and females of the other treatment group did
 not. We measured transfer of radioisotope from male to female and into
 female reproduction.
DOI: 10.5061/dryad.3vm1h25
title: Data from: Energetic investment associated with vitellogenesis induces an oxidative cost of reproduction

description: 1. Oxidative stress is a potential cost of reproduction, but conclusive
 evidence for this relationship is lacking. The goal of this study was to
 serially assess across a seasonal gradient the relationship between
 reproduction, circulating plasma energy metabolites, and oxidative state.
 2. Here we examine a study animal ideally suited to test for the oxidative
 costs of reproduction: The Allen Cays Rock Iguana. Female rock iguanas
 reproduce at varying frequencies, often skipping years, allowing for a
 comparison between reproductive and non-reproductive females during the
 same narrow, annual breeding season. This feature of iguana life-history
 enabled us to address not just sex and seasonal differences in physiology,
 but also potential oxidative costs of reproduction in females. 3. Male and
 female iguanas were sampled during the early (vitellogenic), late
 (gravid), and post-reproductive seasons. Ultrasound examinations were
 performed on females to quantify reproductive investment, and blood
 samples were collected for physiology assays, which included reactive
 oxygen metabolites (d-ROMs), antioxidants, triglycerides, free glycerol,
 and glucose. 4. The early reproductive season was characterized by
 significant increases in reproductive female’s triglycerides, free
 glycerol, and oxidative stress compared to late and post-reproductive
 periods and non-reproductive females and males during all sampling
 periods. Antioxidants were significantly elevated during the early
 reproductive season for reproductive females, non-reproductive females,
 and males when compared to late and post-season. Follicle number in early
 reproductive females was positively related to d-ROMs, triglycerides, and
 free glycerol, negatively related to antioxidants, and showed no
 relationship with glucose. Measures of oxidative stress, d-ROMs and
 oxidative index were positively correlated with circulating levels of the
 lipid metabolite free glycerol during the early reproductive period, but
 this relationship weakened in the late season and disappeared in the
 post-season. 5. Broadly, this study supports the hypothesis that the
 relationship between reproduction and oxidative stress is driven by energy
 investment, being greatest during early reproduction when vitellogenesis
 is occurring.
description: rock_iguana_2016_DRYADData collected in the field and lab. repro_month = variable including sex, month, season, and reproductive status, repro_score = Y/N/NA/post whether or not a female was reproductive that season, fol_score = Y/N presence absence of follicles , tt = total triglycerides , tri = triglycerides, tv = tail volume, ttb = time to bleed , tod = time of day, bod_con = body condition.
DOI: 10.5061/dryad.907p8
title: Data from: Female crickets assess relatedness during mate guarding and bias storage of sperm toward unrelated males

description: Recent evidence shows that females exert a post-copulatory fertilization
 bias in favour of unrelated males to avoid the genetic incompatibilities
 derived from inbreeding. One of the mechanisms suggested for fertilization
 biases in insects is female control over transport of sperm to the
 sperm-storage organs. We investigated post-copulatory inbreeding-avoidance
 mechanisms in females of the cricket Teleogryllus oceanicus. We assessed
 the relative contribution of related and unrelated males to the sperm
 stores of double-mated females. To demonstrate unequivocally that biased
 sperm storage results from female control rather than cryptic male choice,
 we manipulated the relatedness of mated males and of males performing
 post-copulatory mate guarding. Our results show that when guarded by a
 related male, females store less sperm from their actual mate,
 irrespective of the relatedness of the mating male. Our data support the
 notion that inhibition of sperm storage by female crickets can act as a
 form of cryptic female choice to avoid the severe negative effects of
 inbreeding.
description: Tuni_et_alProportion of sperm from the second male to mate that were stored by a female cricket, Teleogryllus oceanicus, when mated by a full sibling or unrelated male and guarded by a ful sibling or unrelated male during sperm transfer
DOI: 10.5061/dryad.rj52k
title: Data from: Root functional parameters predict fine root decomposability at the community level

description: 1. Root quality is one of the main drivers of fine root decomposition, an
 important process controlling soil carbon (C) and nutrient cycling in most
 terrestrial ecosystems. Root quality is defined by chemical and
 morphological traits, which differ across species and thus communities.
 This trait variation is assumed to follow a trade-off between resource
 acquisition and conservation (i.e. the root economics spectrum). To what
 extent root quality or the economics spectrum influence fine root
 decomposition rates at the community level remains poorly understood,
 particularly within the context of land use change. 2. Changes in land use
 induce shifts in plant community composition, which also affect root
 distribution within the soil profile, resulting in changes in root
 quality. We hypothesize that at the community level, i) root
 decomposability is driven by community root functional parameters (i.e.
 root traits measured at the community level), ii) changes in root
 functional parameters among land use types and with soil depth translate
 into changes in root decomposability. 3. We collected shallow and deep
 fine roots (&lt; 2 mm) from 20 plant communities across contrasting
 land use types in 7 sites worldwide, ranging from agricultural crops to
 natural forests and determined their decomposition rate in standard
 conditions. Fine root quality was related to known values of functional
 parameters for these communities, including carbon (C), nitrogen (N) and
 lignin concentrations. 4. A combination of chemical functional parameters
 (lignin, C and N concentrations) best explained root decomposition rates
 at the community level, whereas root economics remained a poorer predictor
 of decomposability rates. Among land use gradients, roots from
 agricultural and agroforestry communities decomposed faster than roots
 from forest sites. Across and within plant communities, a consistently
 greater decomposability in shallow roots was observed. Both land use and
 depth effects were explained by changes in root chemical traits at the
 community level. 5. Synthesis. Our results suggest that the conversion of
 plant communities from forests to agricultural lands leads to changes in
 root functional parameters, that drastically increase root decomposition
 rates and may lead to major soil C losses, especially in shallow soil
 layers.
description: Prieto_etal_2016_JoE_DecompositionMean decomposability (k) and standard error for fine roots in each study site, land use type and soil depth (shallow, deep).
DOI: 10.5061/dryad.t483s94
title: Data from: Population genetic signatures of a climate change driven marine range extension

description: Shifts in species distribution, or ‘range shifts’, are one of the most
 commonly documented responses to ocean warming, with important
 consequences for the function and structure of ecosystems, and for
 socio-economic activities. Understanding the genetic signatures of range
 shifts can help build our knowledge of the capacity of species to
 establish and persist in colonised areas. Here, seven microsatellite loci
 were used to examine the population connectivity, genetic structure and
 diversity of Octopus tetricus, which has extended its distribution several
 hundred kilometres polewards associated with the southwards extension of
 the warm East Australian Current along south-eastern Australia. The
 historical distribution and the range extension zones had significant
 genetic differences but levels of genetic diversity were comparable. The
 population in the range extension zone was sub-structured, contained
 relatively high levels of self-recruitment and was sourced by migrants
 from along the entire geographic distribution. Genetic bottlenecks and
 changes in population size were detected throughout the range extension
 axis. Persistent gene flow from throughout the historical zone and
 moderate genetic diversity may buffer the genetic bottlenecks and favour
 the range extension of O. tetricus. These characteristics may aid
 adaptation, establishment, and long-term persistence of the population in
 the range extension zone.
description: Octopus tetricus
 sampling location, biological and microsatellite dataInformation of date,
 location and depth of sampling, biological information (e.g. gender,
 mantle length), and data of seven microsatellite loci used for population
 genetics study of the range shifting Octopus tetricus along Eastern
 Australia.Octopus tetricus_Ramos et al
 2018.xlsx
DOI: 10.5061/dryad.b19pd
title: Data from: Urban development, land sharing and land sparing: the importance of considering restoration

description: 1. At present, there is limited knowledge of how best to reconcile urban
 development with biodiversity conservation, and in particular whether
 populations of wild species would be greater under low-density housing
 (with larger gardens), or high-density housing (allowing more area to be
 left as undeveloped green spaces). The land sharing/sparing framework –
 originally developed in the context of farming – can be applied to address
 this question. 2. We sampled the abundance of trees in the city of
 Cambridge, UK, along a gradient of human density. We designed different
 scenarios of urban growth to accommodate the human population predicted in
 2031. For each scenario, we projected the future city-wide tree population
 size and quantified its carbon sequestration potential. We also
 considered, for the first time in an urban sharing-sparing context, the
 implications of habitat restoration on degraded urban green space. 3. We
 found that the density of most native and non-native tree species is
 presently highest in areas of low human density, compared to both
 higher-density areas and green space (which is largely maintained with few
 trees). However, restoring woodland in green spaces would lead to far
 greater densities of native trees than on any existing land use. Hence
 provided &gt;2% of green space is restored, native tree population
 sizes would be larger if urban growth followed a land-sparing approach.
 Likewise, carbon sequestration would be maximised under land sparing
 coupled with restoration, but even so only a maximum of 2.5% of the city’s
 annual greenhouse gas emissions could be offset. 4. Whilst both tree
 populations and carbon storage thus appear to benefit from land-sparing
 development, the risk that this might widen the existing disconnect
 between people and nature must also be addressed – perhaps through a
 combination of adding housing in low density areas while ensuring these
 are in close proximity to high-quality green space. 5. Synthesis and
 applications. In regions which have already been cleared of intact
 habitat, a combination of land-sparing urban development with the
 restoration of green space could accommodate urban population growth
 whilst dramatically improving the existing status of local tree
 populations. Where cities are expanding into intact habitat, the merits of
 urban development by land sparing may be even more pronounced. Studies in
 such regions are urgently needed.
description: Tree count
 dataFile contains tree count
 data for urban areas and woodland.tree count
 data.xlsx