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54 results for “ecosystem type”
Data from: Equilibrium and non-equilibrium phases in the radiation of Hakea and the drivers of diversity in Mediterranean-Type Ecosystems
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Data from: Effects of experimental warming on biodiversity depend on ecosystem type and local species composition
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Contrasting fungal responses to wildfire across different ecosystem types
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Effects of Salicaceae species litter type and moisture at 10 paired wetland by upland plots:Specialization, maintenance of diversity and ecosystem consequences of growth defense trade-offs in a model system: the hyper-diverse willow communities of Cedar Creek
Cedar Creek includes a diversity of habitats, which support an astonishing number of species (15) from a single evolutionary lineage: the willow family (Salicaceae). The physiological tolerances and abiotic mechanisms that maintain natural diversity in this hyper-diverse system are beginning to be understood; the role of biotic interactions, however, remains a major gap in understanding. We hypothesize that insect herbivory plays a critical role in niche partitioning, providing an important explanation for high willow diversity. Using a replicated series of common gardens and insect herbivore manipulations in resource rich and resource poor habitats, we are testing for evolved trade-offs between defense investment and growth rate. We expect specialized plant syndromes to emerge along the continuum from ???herbivore escape??? via fast growth in high resource environments to ???anti-herbivore protection??? via heavy investment in defense in low resource environments. Evolved growth/defense strategies that promote diversity are also likely to have ecosystem consequences due to foliar chemical influences on decomposition and the composition and diversity of the insect communities they support. The proposed research takes advantage of natural diversity, providing an important model system at Cedar Creek.
Data from: Subsidy type and quality determine direction and strength of trophic cascades in arthropod food web in agro‐ecosystems
1. The subsidy hypothesis states that communities receiving nutrient subsidies will demonstrate top-down trophic cascades where predators indirectly increase plant biomass. This has been both confirmed and refuted, which might depend on whether the subsidy has mainly targeted the plant or the detrital food-web compartment, and on the subsidy quality. This is particularly poorly understood for terrestrial communities such as heavily subsidized agroecosystems. 2. Using cages covering 4 m2 of ground in a long-term agricultural fertilisation experiment, we tested whether subsidies targeting the detrital soil meso-fauna compartment with organic fertilisers, or the plants with mineral fertiliser, impacted the direction and strength of trophic cascades in an arthropod-plant food-web. We expected top-down controls of generalist arthropod predators (spiders, ground and rove beetles) on aphid densities to be stronger in organically fertilised plots due to enhanced alternative prey availability in the soil. Bottom-up control from barley quality on aphids was anticipated to be stronger in the mineral treatments. We examined how the quality (decomposability) of the organic subsidy governed the cascades by comparing treatments with labile (manure) and recalcitrant (hay) organic matter. 3. Top-down forces dominated in food-webs receiving organic subsidies, while bottom-up forces dominated under mineral fertilisation. A high quality, easily degradable organic subsidy propagated faster through the food-chain, leading to a top-down trophic cascade with generalist predators having a positive effect on plant biomass in the labile but not in the recalcitrant organic treatment. 4. Synthesis and applications: Management of agricultural soils that bolster the soil meso-fauna, e.g. adding organic fertilisers, has potential to increase top-down biological control by naturally occurring generalist arthropod predators. Barley biomass was enhanced in the manure treatment in the presence of arthropod predators to a level comparable to that of mineral fertiliser.
Supplementary material 2 from: Kokkoris I, Dimopoulos P, Xystrakis F, Tsiripidis I (2018) National scale ecosystem condition assessment with emphasis on forest types in Greece. One Ecosystem 3: e25434. https://doi.org/10.3897/oneeco.3.e25434
Diversity Shannon/index
Biodiversity-mediated effects on ecosystem functioning depend on the type and intensity of environmental disturbances
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Data from: Subsidy type and quality determine direction and strength of trophic cascades in arthropod food web in agro‐ecosystems
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Ecosystem Functional Type Distribution Map for Mexico, 2001-2014
This dataset provides a map of the distribution of ecosystem functional types (EFTs) at 0.05 degree resolution across Mexico for 2001 to 2014. EFTs are groupings of ecosystems based on their similar ecosystem functioning that are used to represent the spatial patterns and temporal variability of key ecosystem functional traits without prior knowledge of vegetation type or canopy architecture. Sixty-four EFTs were derived from the metrics of a 2001-2014 time-series of satellite images of the Enhanced Vegetation Index (EVI) from the Moderate Resolution Imaging Spectroradiometer (MODIS) product MOD13C2. EFT diversity was calculated as the modal (most repeated) EFT for each pixel.
Ecosystem Functional Type Distribution Map for the Conterminous USA, 2001-2014
This dataset provides maps of the distribution of ecosystem functional types (EFTs) and the interannual variability of EFTs at 0.05 degree resolution across the conterminous United States (CONUS) for 2001 to 2014. EFTs are groupings of ecosystems based on their similar ecosystem functioning that are used to represent the spatial patterns and temporal variability of key ecosystem functional traits without prior knowledge of vegetation type or canopy architecture. Sixty-four EFTs were derived from the metrics of a 2001-2014 time-series of satellite images of the Enhanced Vegetation Index (EVI) from the Moderate Resolution Imaging Spectroradiometer (MODIS) product MOD13C2. EFT diversity was calculated as the modal (most repeated) EFT and interannual variability was calculated as the number of unique EFTs for each pixel.
Single cell profiling of bone metastasis ecosystems from multiple cancer types reveals convergent and divergent mechanisms of bone colonization
GEO Series GSE266330. Homo sapiens. 63 samples. Type: Expression profiling by high throughput sequencing.
Systematic dissection of tumor-normal single-cell ecosystems across a thousand tumors of 30 cancer types
GEO Series GSE218989. Homo sapiens. 355 samples. Type: Expression profiling by high throughput sequencing.
Functional genomic analysis of a nitrate reductase knockdown relative to wild-type in model-ecosystems (mesocosm)
GEO Series GSE16068. Arabidopsis thaliana. 24 samples. Type: Expression profiling by array.
model output used for Paper "Simulating ecosystem dynamics and marine biogeochemical cycles with multiple plankton functional types"
<p>This dataset contains the model output from CESM2.2-8p4z, used in Yu et al., 2024 in Journal of Advances in Modeling Earth Systems (JAMES). </p>
ScienceDex guides
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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.