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51 results for “Precipitation gradient”
Functional organization of woody plant assemblages along precipitation and human disturbance gradients in a seasonally dry tropical forest
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Data for: Precipitation gradients drive high tree species turnover in the woodlands of eastern and southern Africa
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Functional diversity response to geographic and experimental precipitation gradients varies with plant community type
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Precipitation gradients, plant biogeography, and the incidence of drip-tips in Cerrado plant species
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Data for "Drought and Heatwave Impacts on Semi-Arid Ecosystems' Carbon Fluxes along a Precipitation Gradient"
<p>These are flux and meteo data for the measurement sites ES-Abr and ES-LMa for the period from 2016-01-01 to 2019-12-31.</p> <p>These data were used for the publication:</p> <p>El-Madany, et al. (2020) "Drought and Heatwave Impacts on Semi-Arid Ecosystems’ Carbon Fluxes along a Precipitation Gradient" in Philosophical Transactions of the Royal Society B.</p> <p>Variables, units and description are found in the ReadmeDataDescription.csv file</p>
Drought legacy affects microbial community trait distributions related to moisture along a savannah grassland precipitation gradient
<ol> <li>Ecosystem models commonly use stable-state assumptions to predict responses of soil microbial functions to environmental change. However, past climatic conditions can shape microbial functional responses resulting in a "legacy effect". For instance, exposure to drier conditions in the field may shape how soil microbial communities respond to subsequent drought and drying and rewetting events. </li> <li>We investigated microbial tolerance to low moisture levels ("resistance") and ability to recover after a drying and rewetting (DRW) perturbation ("resilience") across a steep precipitation gradient in Texas, USA.</li> <li>Although differences in precipitation regime did not result in differences in resistance and resilience of soil microbes, microbial communities appeared to be generally resilient and resistant across the gradient, suggesting that frequent exposure to drought had characterized the trait distributions of microbial communities. Moreover, microbial communities from historically drier sites used carbon more efficiently during a DRW perturbation suggesting that long-term drought history leaves a legacy effect on microbial functions. This may have been due to an indirect effect of drought caused via precipitation-induced differences in primary productivity, influencing the availability of soil organic matter to microbes. Alternatively, different exposures to drought might have shaped the microbial "readiness" to cope with the DRW disturbance. Microbial community composition was also linked to drought history, but was unrelated to variation in function. </li> <li><span><span><span><span>Synthesis: exposure to drought can have both direct and indirect effects on soil microbial communities, which can result in lasting legacy effects on the functions they control. </span></span></span></span></li> </ol>
Data from: Differential responses of ecosystem carbon flux components to experimental precipitation gradient in an alpine meadow
1. Changes in precipitation have the potential to cause dramatic changes in ecosystem carbon (C) cycling; however, it remains unclear whether different components of the net ecosystem exchange (NEE) (e.g., C uptake vs. release, plant vs. microbe respiration, aboveground vs. belowground plant respiration), have similar or differential sensitivity to precipitation gradients. 2. We conducted a manipulative field experiment (from 2015 to 2017) with six precipitation treatments, including 1/12 annual precipitation (P), 1/4 P, 1/2 P, 3/4 P, P, and 5/4 P in an alpine meadow to investigate the responses of the NEE components. 3. Over the three years, all C fluxes showed a nonlinear response to the precipitation gradients, except for root respiration. The most extreme drought treatment (1/12 P) caused strong reductions in NEE by 15.57%, gross primary productivity by 17.26%, and ecosystem respiration by 19.05%, in contrast to the control. Plant respiration was more sensitive to precipitation change than microbe respiration, and aboveground plant respiration was more susceptible than belowground respiration. Structural equation models revealed that the response of C fluxes under precipitation changes were primarily due to changes in the soil water content and aboveground net primary productivity. 4. Our findings indicate that future precipitation changes, particularly extreme drought, will decrease ecosystem C fluxes with different magnitudes, leading to a consequent reduction of NEE. These emergent ecosystem properties are essential for the improved elucidation of carbon cycle dynamics and benchmarking models, to predict ecosystem responses to precipitation changes.
Appendix of "Extreme Precipitation Formation in the south Siberia and Mongolia: Wave Propagation Patterns and zonal Temperature Gradient Changes"
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Data from: Differential responses of ecosystem carbon flux components to experimental precipitation gradient in an alpine meadow
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Drought legacy affects microbial community trait distributions related to moisture along a savannah grassland precipitation gradient
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Drivers of beta diversity along a precipitation gradient in tropical forests of the Cauca River Canyon in Colombia
<p>Abundance data are provided for each of the species found in each of the plots.</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.