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440 results for “community changes”
Figure 5 in Tracking of spatial changes in the structure of the zooplankton community according to multiple abiotic factors along a hypersaline lagoon
Figure 5. Variation of zooplankton density in each collection station, variations in the index of Shannon-Weaver which measures the Diversity (H) and the Pielou's uniformity which measures the Equitability (J) over the sampled months.
Figure 6 in Evaluation of vertical and horizontal changes in community structure of zooplankton in a deep dam lake
Figure 6. CCA triplots for zooplankton abundance and environmental variables (variables are represented by arrows. Species are depicted by points; the numbers indicate sampling stations). Abbreviations: K.coch: K. cochlearis; K.quad: K. quadrata; K.trop: K. tropica; K.long: K. longispina; P.vulg: P. vulgaris; P.doli: P. dolichoptera; S.oblo: S. oblonga; A.prio: A. priodonta; A.brig: A. brightwelli; L.pate: L. patella; L.rhom: L. rhomboides; L.quad: L. quadridentata; Habro.: Habrotrocha sp.; F.long: F. longiseta; D.cucu: D. cucullata; D.long: D. longispina; B.long: B. longirostris; C.spha: C. sphaericus; C.rect: C. rectangula; Cyc sp: Cyclops sp.; Naup: nauplius.
Figure 4 in Evaluation of vertical and horizontal changes in community structure of zooplankton in a deep dam lake
Figure 4. The Shannon–Weaver species diversity index (Hʹ) based on numbers of individuals during the study period.
Figure 1 in Evaluation of vertical and horizontal changes in community structure of zooplankton in a deep dam lake
Figure 1. Map of Karakaya Dam Lake on the Euphrates River in eastern Anatolia. Sampling stations surveyed in this study are indicated.
Figure 3 in Evaluation of vertical and horizontal changes in community structure of zooplankton in a deep dam lake
Figure 3. Vertical distribution of zooplankton in the lake. Total density (ind m–3) of main zooplankton groups was demonstrated at different depths by horizontal bars.
Figure 2 in Evaluation of vertical and horizontal changes in community structure of zooplankton in a deep dam lake
Figure 2. Vertical profiles (every 5 m of depth) of temperature (°C) and dissolved oxygen (mg L–1) in the study area. Illustrations were formed for the vertical zooplankton sampling period.
Thermal tolerance in Drosophila: repercussions for distribution, community coexistence and responses to climate change
<p>Here we combined controlled experiments and field surveys to determine if estimates of heat tolerance predict distributional ranges and phenology of different Drosophila species in southern South America. </p> <p>We contrasted thermal death time curves, which consider both magnitude and duration of the challenge to estimate heat tolerance, against the thermal range where populations are viable based on field surveys in an 8-yr longitudinal study. </p> <p>We observed a strong correspondence of the physiological limits, the thermal niche for population growth, and the geographic ranges across studied species, which suggests that the thermal biology of different species provides a common currency to understand how species will respond to warming temperatures both at a local level and throughout their distribution range. </p> <p>Our approach represents a novel analytical toolbox to anticipate how natural communities of ectothermic organisms will respond to global warming.</p>
Local communities' perceptions of wild edible plant and mushroom change: A systematic review
<p>These datasets are the basis of publication "Local communities’ perceptions of wild edible plant and mushroom change: A systematic review", DOI: https://doi.org/10.1016/j.gfs.2021.100601<br> File GFS_paperIDs.csv lists the articles that are included in the systematic review with their identification numbers.<br> File GFS_data_papers.csv contains data related to the articles reporting on changes of wild edible plants.<br> File GFS_data_plants.csv contains data related to the plant species that are affected by the changes.<br> File GFS_variable_desriptions.txt informs about the variables in files GFS_data_papers.csv and GFS_data_plants.csv.</p>
Data for manuscript: Ecological lags govern the pace and outcome of plant community responses to 21st century climate change
<p>These data were used in the analyses reported in Block et al. "Ecological lags govern the pace and outcome of plant community responses to 21st century climate change".</p>
T a b l e 4 in Changes In The Trophic Structure Of The Vertebrate Predator Community In The Cold Season In Belarussian Paazerje (Northern Belarus) With Emphasis On Depopulation Of The Wild Boar, Sus Scrofa (Artiodactyla, Suida)
T a b l e 4. Dietary overlaps (the Morisita's index) between vertebrate predators in the cold season in coniferous-small-leaved forests of Belarussian Paazerje, Northern Belarus, upper right corner — before a depopulation of the Wild Boar (1982–2011), bottom left corner — aft er a large-scale depopulation of the Wild Boar (2013–2019)
Fig. 2 in Changes In The Trophic Structure Of The Vertebrate Predator Community In The Cold Season In Belarussian Paazerje (Northern Belarus) With Emphasis On Depopulation Of The Wild Boar, Sus Scrofa (Artiodactyla, Suida)
Fig. 2. Th e Golden and White-tailed Eagles feed regularly on carrion and physical interference takes place quite often.
Fig. 1 in Changes In The Trophic Structure Of The Vertebrate Predator Community In The Cold Season In Belarussian Paazerje (Northern Belarus) With Emphasis On Depopulation Of The Wild Boar, Sus Scrofa (Artiodactyla, Suida)
Fig. 1. Dietary similarity of 17 vertebrate predators in the cold season in Belarussian Paazerje, 1972–2012.
Fig. 4 in Changes In The Trophic Structure Of The Vertebrate Predator Community In The Cold Season In Belarussian Paazerje (Northern Belarus) With Emphasis On Depopulation Of The Wild Boar, Sus Scrofa (Artiodactyla, Suida)
Fig. 4. Dietary similarity of 10 vertebrate predators in the cold season in Belarussian Paazerje, 2013–2019.
Fig. 1 in Seasonal Changes In Species Diversity And Dominance Structure In Communities Of Oribatid Mites (Sarcoptiformes, Oribatei) In Megalopolis Green Areas
Fig. 1. Cluster analysis of oribatid species diversity in studied plots at April–September 2011 (plot indexes are given in Material and methods).
Fig. 2 in Seasonal Changes In Species Diversity And Dominance Structure In Communities Of Oribatid Mites (Sarcoptiformes, Oribatei) In Megalopolis Green Areas
Fig. 2. Seasonal fluctuations of numbers of registered species, mean aerial daytime temperature and relative humidity (iv — April, v — May, vi — June, vii — July, viii — August, ix — September).
Changes in trait covariance along an orographic moisture gradient reveal the relative importance of light- and moisture-driven trade-offs in subtropical rainforest communities
<p>•<span> </span>A range of functional trait-based approaches have been developed to investigate community assembly processes, but most ignore how traits covary within communities. </p> <p>•<span> </span>We combined existing approaches (community-weighted means [CWMs] and functional dispersion [FDis]) with a metric of trait covariance to examine assembly processes in five angiosperm assemblages along a moisture gradient in Australia's subtropics. In addition to testing hypotheses about habitat filtering along the gradient, we hypothesised that trait covariance would be strongest at both ends of the moisture gradient and weakest in the middle, reflecting trade-offs associated with light capture in productive sites and moisture stress in dry sites.</p> <p>•<span> </span>CWMs revealed evidence of climatic filtering, but FDis patterns were less clear. As hypothesised, trait covariance was weakest in the middle of the gradient, but unexpectedly peaked at the second driest site due to the emergence of a clear drought tolerance – drought avoidance spectrum. At the driest site, the same spectrum was truncated at the 'avoider' end, revealing important information about habitat filtering in this system.</p> <p>•<span> </span>Our focus on trait covariance revealed the nature and strength of trade-offs imposed by light and moisture availability, and complemented insights gained about community assembly from existing trait-based approaches. </p>
Changes in the acoustic structure of Australian bird communities along a habitat complexity gradient
<p>Avian vocalizations have evolved in response to a variety of abiotic and biotic selective pressures. While there is some support for signal convergence in similar habitats that is attributed to adaptation to the acoustic properties of the environment (the ‘acoustic adaptation hypothesis’, AAH), there is also evidence for character displacement as result of competition for signal space among coexisting species (the ‘acoustic niche partitioning hypothesis’). We explored the acoustic space of avian assemblages distributed along six different habitat types (from herbaceous habitats to warm rainforests) in south eastern Queensland, Australia. We employed three acoustic diversity indices (acoustic richness, evenness, and divergence) to characterize the signal space. In addition, we quantified the phylogenetic and morphological structure (in terms of both body mass and beak size) of each community. Acoustic parameters showed a moderately low phylogenetic signal, indicating labile evolution. Although, we did not find meaningful differences in acoustic diversity indices among habitat categories, there was a significant relationship between the regularity component (evenness) and vegetation height indicating that acoustic signals are more evenly distributed in dense habitats. After accounting for differences in species richness, the volume of acoustic space (i.e., acoustic richness) decreased as the level of phylogenetic and morphological resemblance among species in a given community increased. Additionally, we found a significantly negative relationship between acoustic divergence and divergence in body mass indicating that the less different species are in their body mass, the more different their songs are likely to be. This implies the existence of acoustic niche partitioning at community level. Overall, while we found mixed support for the AAH, our results suggest that community-level effects may play a role in structuring acoustic signals within avian communities in this region. This study shows that signal diversity estimated by diversity metrics of community ecology based on basic acoustic parameters can provide additional insight into the structure of animal vocalizations. <br> </p>
Supporting data: Land-use change alters the mechanisms assembling rainforest mammal communities in Borneo
<p>These supporting data files were used in the analyses for a forthcoming<em> </em>paper (DOI to be confirmed). The two files consist of: </p> <p>1. Combined camera trap and live trap species-abundance matrix. Each row corresponds to a separate location, with species in different columns. Old-growth forest, logged forest and oil palm plantation locations have the prefixes "Old", "Log" and "Palm", respectively. Values in each cell are the number of independent captures (as defined in the paper) per seven days summed over the camera- and live-trapping protocols.</p> <p>2. Covariate data for each location, covering habitat structure, topography and local landscape context (covariates as defined in the paper). </p>
Figure 5 in Evaluation of vertical and horizontal changes in community structure of zooplankton in a deep dam lake
Figure 5. Tree diagram resulting from average linkage clustering using UPGMA method on the zooplankton community data reported during study period.
Species-specific differences in bumblebee worker body size between elevations: Implications for pollinator community structure under climate change
<p>Code and dataset for manuscript titled "<span>Species-specific differences in bumblebee worker body size between elevations: Implications for pollinator community structure under climate change". Authors: Caterina Massa, Janneke Hille Ris Lambers, Sarah K. Richman. Manuscript accepted to Journal of Pollination Ecology in May 2024. All data collected and analyzed by the authors.<br></span></p>
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Allen Brain Atlas
Allen Brain Atlas is an Allen Institute collection of brain map atlases, datasets, APIs, and analysis tools covering mouse, human, and non-human primate brain resources.
Annotated Behaviour and Observability Dataset (ABODe)
ABODe is a University of Edinburgh DataShare dataset for behavior classification in group-housed mice using home-cage video, identities, bounding boxes, ground-plate positions, and annotator labels.
DANDI Archive for NWB datasets
DANDI is a BRAIN Initiative archive for publishing and sharing neurophysiology data, including electrophysiology, optophysiology, and behavioral data packaged as NWB and related standards.
International Brain Laboratory public data
The International Brain Laboratory public data releases expose standardized mouse decision-making experiments, including Neuropixels recordings, widefield calcium imaging, behavior, and session metadata accessed through the ONE API.
OpenNeuro
OpenNeuro is a free, open platform for sharing neuroimaging datasets, with public search, dataset pages, and download paths for web, S3, DataLad, and the OpenNeuro CLI.