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306
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ShareScore release 0.9.0
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306 results for “bird communities”
Data from: Riparian reserves help protect forest bird communities in oil palm dominated landscapes
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Data from: Disturbed Amazonian forests support diminished breeding bird communities
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Data from: Drivers of climate change impacts on bird communities
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Projected effects of climate change on boreal bird community accentuated by anthropogenic disturbances in western boreal forest, Canada
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Data from: Chaparral bird community responses to prescribed fire and shrub removal in three management seasons
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Data from: Predator encounters have spatially extensive impacts on parental behaviour in a breeding bird community
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Data from: Wintering bird communities are tracking climate change faster than breeding communities
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Data from: Identification of migratory bird flyways in North America using community detection on biological networks
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Seasonal variation in community composition and distributional ranges of birds along a subtropical elevation gradient in China
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Data from: Effects of forest wildfire on inner-Alpine bird community dynamics
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The potential of fallow management to promote steppe bird conservation within the next EU Common Agricultural Policy reform: Distance sampling dataset on farmland bird community
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Data from: Loss of cultural song diversity and the convergence of songs in a declining Hawaiian forest bird community
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Data from: Contrasting trait assembly patterns in plant and bird communities along environmental and human-induced land-use gradients
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The ecological legacy effects of redlining on urban landscapes and bird communities in Durham, North Carolina
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Strolling through a century: replicating historical bird surveys to explore 100 years of change in an urban bird community
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Timing is everything: Acoustic niche partitioning in two tropical wet forest bird communities
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Unravelling species co-occurrence in a steppe bird community of Inner Mongolia: insights for the conservation of the endangered Jankowski’s Bunting
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Effects of habitat transitions on rainforest bird communities across an anthropogenic landscape mosaic
<p>We compared bird community responses to the habitat transitions of: rainforest-to-pasture conversion, consequent habitat fragmentation, and post-agricultural regeneration, across a landscape mosaic of <span>about </span><span><span>600 km<sup><span>2</span></sup></span></span><span> in the eastern Australian subtropics. Birds were surveyed in seven habitats: continuous mature rainforest; two size-classes of mature rainforest fragment (4-21 ha, 1-3 ha); regrowth forest patches dominated by a non-native tree (2-20 ha, 30-50 years old); two types of isolated mature trees in pasture; and treeless pasture; with six sites per habitat. We compared the avifauna among habitats, and among sites, at the levels of species, functional guilds, and community-wide. Community-wide species richness and abundance of birds in pasture sites were about one-fifth and one-third, respectively, of their values in mature rainforest (irrespective of patch size). Many measured attributes changed progressively across a gradient of increased habitat simplification. Rainforest </span><span><span>specialists</span></span><span> became less common and less diverse with decreased habitat patch size and vegetation maturity. However, even rainforest fragments of 1-3 ha supported about half of these species. Forest generalist species were largely insensitive to patch size and successional stage. </span><span><span>Few</span></span><span> species reach</span>ed their greatest abundance in either small rainforest fragments or regrowth. All pastures were dominated by bird species whose typical native habitats were grassland, wetland and open eucalypt forest, while pasture trees modestly enhanced local bird communities. Overall, even small scattered patches of mature and regrowth forest contributed substantial bird diversity to local landscapes. Therefore, maximising the aggregate rainforest area is a useful regional conservation strategy.</p>
How does prescribed fire shape bird and plant communities in a temperate dry forest ecosystem?
<p>To mitigate the impact of severe wildfire on human society and the environment, prescribed fire is widely used in forest ecosystems to reduce fuel loads and limit fire spread. To avoid detrimental effects on conservation values, it is imperative to understand how prescribed fire affects taxa having a range of different adaptations to disturbance. Such studies will have greatest benefit if they extend beyond short-term impacts of burning. We used a field study to examine the effects of prescribed fire on birds and plants across a 36-year post-fire chronosequence in a temperate dry forest ecosystem in south-eastern Australia, and by making comparison with long-unburnt reference sites (79 years since wildfire). We modelled changes in the relative abundance of 22 bird species and the cover of 39 plant species, and examined how individual species, functional groups, species richness and community composition differed between sites with different fire history. For most individual bird and plant species modelled, relative abundance or cover at sites subject to prescribed fire did not change significantly with time since fire or differ from that of long-unburnt vegetation. When bird species were pooled into functional groups, time since prescribed fire had strong effects on birds that forage in the lower-midstorey, facultative-resprouting shrubs and obligate-seeding shrubs. Species richness for both taxa did not differ between sites subject to prescribed fire and those in long-unburnt vegetation. Bird communities varied significantly between the youngest (0-3 years) and oldest (79 years) post-fire age-classes, driven by species associated with understorey vegetation. Plant community composition showed little evidence of a post-fire successional trajectory. The prevalence of bird species with broad habitat and dietary niches and plant regeneration through resprouting, make bird and plant communities in these forests relatively resilient to small and patchy prescribed fires they have experienced to date. Application of prescribed fire will be most compatible with maintaining biodiversity by taking a landscape approach that: 1) plans for a geographic spread of stands with a range of between-prescribed-fire intervals to ensure provision of suitable habitat for all taxa, and 2) avoids burning in moist gullies to maintain their value as fire refuges.</p>
Data from: Species-specific responses to habitat conversion across scales synergistically restructure Neotropical bird communities
Ecologists are increasingly exploring methods for preserving biodiversity in agricultural landscapes. Yet because species vary in how they respond to habitat conversion, ecological communities in agriculture and more natural habitats are often distinct. Unpacking the heterogeneity in species responses to habitat conversion will be essential for predicting and mitigating community shifts. Here, we analyze two years of bird censuses at 150 sites across gradients of local land cover, landscape forest amount and configuration, and regional precipitation in Costa Rica to holistically characterize species responses to habitat conversion. Specifically, we used Poisson-binomial mixture models to (1) delineate groups of species that respond similarly to environmental gradients, (2) explore the relative importance of local versus landscape-level habitat conversion, and (3) determine how landscape context influences species' local habitat preferences. We found that species fell into six groups: habitat generalists, abundant and rare forest specialists, and three groups of agricultural specialists that differed in their responses to landscape forest cover, fragmentation, and regional precipitation. Birds were most sensitive to local forest cover, but responses were contingent on landscape context. Specifically, forest specialists benefitted most when local forest cover increased in forested landscapes, while habitat generalists exhibited compensatory dynamics, peaking at sites with either local or landscape-level forest, but not both. Our study demonstrates that species responses to habitat conversion are complex but predictable. Characterizing species-level responses to environmental gradients represents a viable approach for forecasting the winners and losers of global change and designing interventions to minimize the ongoing restructuring of Earth's biota.
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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.