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158 results for “invertebrate community”
Data from: Non-random dispersal mediates invader impacts on the invertebrate community
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Data from: Exclusion of invertebrates influences saprotrophic fungal community and wood decay rate in an experimental field study
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Data from: Decreasing stoichiometric resource quality drives compensatory feeding across trophic levels in tropical litter invertebrate communities
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Heatwave induced invertebrate predation reshapes the plankton community
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Energy pathways modulate the resilience of stream invertebrate communities to drought
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Impacts on food web properties of island invertebrate communities vary between different human land uses
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Larvae of deep-sea invertebrates harbor low-diversity bacterial communities
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Data from: Habitat connectivity and in-stream vegetation control temporal variability of benthic invertebrate communities
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Figure 3 from: Souza Silva M, Iniesta LFM, Ferreira RL (2020) Invertebrates diversity in mountain Neotropical quartzite caves: which factors can influence the composition, richness, and distribution of the cave communities? Subterranean Biology 33: 23-43. https://doi.org/10.3897/subtbiol.33.46444
Figure 3 Obligate cave species found in the Ibitipoca Estadual Park, Brazil. AHypogastruridaeBBlattodeaCBrasilomma enigmatica (Prodidomidae) DProjapygidaeEEukoenenia ibitipoca (Palpigradi).
Figure 2 from: Souza Silva M, Iniesta LFM, Ferreira RL (2020) Invertebrates diversity in mountain Neotropical quartzite caves: which factors can influence the composition, richness, and distribution of the cave communities? Subterranean Biology 33: 23-43. https://doi.org/10.3897/subtbiol.33.46444
Figure 2 Higher taxa invertebrate abundance, taxonomic diversity (richness) (A) and average taxonomic distinctness (Δ+) (B) in all 20 quartzite caves placed above 1200 m high in Minas Gerais (Brazil).
Figure 5 from: Souza Silva M, Iniesta LFM, Ferreira RL (2020) Invertebrates diversity in mountain Neotropical quartzite caves: which factors can influence the composition, richness, and distribution of the cave communities? Subterranean Biology 33: 23-43. https://doi.org/10.3897/subtbiol.33.46444
Figure 5 Metric multidimensional scaling (MDS) ordination plot of the 20 quartzite caves with and without a stream using bootstrap regions for group means around their centroids (triangles). Average (Av).
Figure 1 from: Souza Silva M, Iniesta LFM, Ferreira RL (2020) Invertebrates diversity in mountain Neotropical quartzite caves: which factors can influence the composition, richness, and distribution of the cave communities? Subterranean Biology 33: 23-43. https://doi.org/10.3897/subtbiol.33.46444
Figure 1 Borders of the Ibitipoca Estadual Park (A), sampled caves (white dots) and altitudinal layers (red lines 1610–1780, blue lines 1460–1600, yellow lines 1310–1450, green lines 1124–1450, black lines 950–1100 meters). Vegetation types vary from slope forest (B) to grasslands (D and C) on the top of the hills.
Figure 4 from: Souza Silva M, Iniesta LFM, Ferreira RL (2020) Invertebrates diversity in mountain Neotropical quartzite caves: which factors can influence the composition, richness, and distribution of the cave communities? Subterranean Biology 33: 23-43. https://doi.org/10.3897/subtbiol.33.46444
Figure 4 Distance-based redundancy analysis (dbRDA) showing the influences of the environmental factors on cave fauna composition in the 20 studied caves. The two axes explained nearly 55% of the variability in the fitted model and nearly 17% of the total variation in the data cloud. The first overlay shows how the first dbRDA axis is strongly related to cave sampled extension.
Figure 6. A in Temporal dynamics of invertebrate and aquatic plant communities at three intermittent ponds in livestock grazed Patagonian wetlands
Figure 6. A schematic cross-section of the study wetland (Mallín Crespo) contrasting the condition of the three studied ponds (P1, P2 and P3) during hydrological phases: isolation and connected periods. Distances between ponds, the weather station and sheep are not to scale. Volume (m3) is indicated below each pond. Environment variables are: water temperature (WT), precipitation (PP), pH, specific conductivity (C), dissolved oxygen (DO), total suspended solids (TSS), total nitrogen (TN), and total phosphorus (TP). Invertebrate attributes are: taxa richness (R) density (D), biomass (B) and dominant functional feeding groups (FFG). Dominant taxa in terms of density and frequency are listed over each pond. Bold letters are used for taxa that are also dominants in biomass. For both periods first and second dominant FFG are represented. P, predators; CG, collector–gatherers; and CF, collector–filterers.
Figure 4 in Temporal dynamics of invertebrate and aquatic plant communities at three intermittent ponds in livestock grazed Patagonian wetlands
Figure 4. Seasonal patterns of functional feeding groups (FFG), (A) by density (103 individuals m−3) and (B) by biomass [g DM m−3] at three ponds (May 2008 to April 2009) of Mallín Crespo wetland (Argentina). Sh, shredders; Sc, scrapers; P, predators; CG, collector–gatherers; CF, collector–filterers; P–H, piercers herbivores.
Figure 2 in Temporal dynamics of invertebrate and aquatic plant communities at three intermittent ponds in livestock grazed Patagonian wetlands
Figure 2. Seasonal variation of particulate organic matter (POM, dashed lines) and aquatic plant coverage (solid line) at three ponds on a Patagonian steppe wetland (Argentina) during the study period (May 2008 to April 2009). Categories of aquatic plant coverage explained in methodology. Livestock stocking period is indicated in the figure (black bar).
Figure 1 in Temporal dynamics of invertebrate and aquatic plant communities at three intermittent ponds in livestock grazed Patagonian wetlands
Figure 1. (A) Location of the sampling sites (P1, P2 and P3) at Mallín Crespo (Chubut Province, Patagonia, Argentina) during connected (June–December) and hydrologically isolated (January–May) periods. The three ponds are in the same scale. (B) Daily rain (dashed line) and mean daily air temperature (solid line), from May 2008 to April 2009. (C–E) Physicochemical variables sampled monthly and once per pond. Dashed line (D), indicates unavailable data.
Data from: Alpha and beta diversity of connected benthic–subsurface invertebrate communities respond to drying in dynamic river ecosystems
Drying disturbances are the primary determinant of aquatic community biodiversity in dynamic river ecosystems. Research exploring how communities respond to disturbance has focused on benthic invertebrates in surface sediments, inadequately representing a connected community that extends into the subsurface. We compared subsurface and benthic invertebrate responses to drying, to identify common and context-dependent spatial patterns. We characterized community composition, alpha diversity and beta diversity across a gradient of drying duration. Subsurface communities responded to drying, but these responses were typically less pronounced than those of benthic communities. Despite compositional changes and in contrast to reductions in benthic alpha diversity, the alpha diversity of subsurface communities remained stable except at long drying durations. Some primarily benthic taxa were among those whose subsurface frequency and abundance responded positively to drying. Collectively, changing composition, stable richness and taxon-specific increases in occurrence provide evidence that subsurface sediments can support persistence of invertebrate communities during drying disturbances. Beta-diversity patterns varied and no consistent patterns distinguished the total diversity, turnover or nestedness of subsurface compared to benthic communities. In response to increasing drying duration, beta diversity increased or remained stable for benthic communities, but remained stable or decreased for subsurface communities, likely reflecting contrasts in the influence of mass effects, priority effects and environmental filtering. Dissimilarity between subsurface and benthic communities remained stable or increased with drying duration, suggesting that subsurface communities maintain distinct biodiversity value while also supporting temporary influxes of benthic taxa during drying events. As temporary rivers increase in extent due to global change, we highlight that recognizing the connected communities that extend into the subsurface sediments can enable holistic understanding of ecological responses to drying, the key determinant of biodiversity in these dynamic ecosystems.
Data from: Native freshwater species get out of the way: Prussian carp (Carassius gibelio) impacts both fish and benthic invertebrate communities in North America
Prussian Carp (Carassius gibelio) are one of the most noxious non-native species in Eurasia. Recently, Prussian Carp, a non-native freshwater fish species, were genetically confirmed in Alberta, Canada and have been rapidly expanding their range in North America since establishment. Given their rapid range expansion, there is an increasing need to determine how Prussian Carp may impact native species. We assessed the severity of the Prussian Carp invasion by 1) determining their impact on fish communities, 2) assessing their impact on benthic invertebrate communities, 3) evaluating if Prussian Carp alter abiotic conditions, and 4) identifying where we find higher abundances of Prussian Carp. When Prussian Carp were established, we found significant changes to the fish community. Correspondingly, the degree of impact to benthic invertebrate communities was related to the stage of invasion (none, early, or recent), where changes in fish communities were significantly concordant with changes in benthic invertebrate communities. Finally, we found that higher abundances of Prussian Carp were significantly associated with lower abundances of a majority of native fish species. Altogether, using three lines of evidence, we determine that Prussian Carp can have wide ranging impacts on freshwater ecosystems in North America, pressing the need for management intervention.
Data from: Drought intensification drives turnover of structure and function in stream invertebrate communities
Climatic extremes are becoming more frequent and intense across much of the globe, potentially transforming the biodiversity and functioning of affected ecosystems. In freshwaters, hydrological extremes such as drought can regulate beta diversity, acting as powerful environmental filters to dictate the complement of species and functional traits found at local and landscape scales. New methods that enable beta diversity and its functional equivalent to be partitioned into turnover (replacement of species/functions) and nestedness-resultant (gain/loss of species/functions) components may offer novel insights into the parallel impacts of drought on ecosystem structure and function. Using a series of artificial channels (mesocosms) designed to mimic perennial headwater streams, we experimentally manipulated streamflows to simulate a gradient of drought intensity. We then modelled taxonomic and functional turnover and nestedness of macroinvertebrate communities along this gradient, validating direct gradient approaches (bootstrapping, Mantel tests) against null models of nestedness. Drought intensification produced significant environmental distance decay trends (i.e. communities became increasingly taxonomically and functionally dissimilar the more differentially disturbed by drought they were). Taxonomic distance decay was primarily driven by turnover, while the functional trend reflected a combination of richness differences and turnover at different points along the gradient. Taxonomic and functional distance decay slopes were not significantly different, implying that communities were functionally vulnerable to drying. The increased frequency and intensity of droughts predicted under most climate change scenarios could thus profoundly modify not only the structure of running water invertebrate communities, but also the ecosystem functions they underpin.
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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.