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81 results for “Climate events”
Deer movement and resource selection during Hurricane Irma: implications for extreme climatic events and wildlife
<p>Extreme climatic events (ECEs) are increasing in frequency and intensity and this necessitates understanding their influence on organisms. Animal behavior may mitigate the effects of ECEs, but field studies are rare because ECEs are infrequent and unpredictable. Hurricane Irma made landfall in southwestern Florida where we were monitoring white-tailed deer (<i>Odocoileus virginianus seminolus</i>) with GPS collars. We report on an opportunistic case study of behavioral responses exhibited by a large mammal during an ECE, mitigation strategies for reducing the severity of the ECE effects, and the demographic effect of the ECE based on known-fate of individual animals. Deer altered resource selection by selecting higher elevation pine and hardwood forests and avoiding marshes. Most deer left their home ranges during Hurricane Irma, and the probability of leaving was inversely related to home range area. Movement rates increased the day of the storm, and no mortality was attributed to Hurricane Irma. We suggest deer mobility and refuge habitat allowed deer to behaviorally mitigate the negative effects of the storm, and ultimately, aid in survival. Our work contributes to the small but growing body of literature linking behavioral responses exhibited during ECEs to survival, which cumulatively will provide insight for predictions of a species resilience to ECEs and improve our understanding of how behavioral traits offset the negative impacts of global climate change.</p>
Data for: Projecting changes in the frequency and magnitude of ozone pollution events under uncertain climate sensitivity
<p>Climate change is projected to worsen ozone pollution over many populated regions, with larger impacts at higher concentrations. More intense and frequent ozone episodes risk setbacks to human health and environmental policy achievements. However, assessing these changes is complicated by uncertain climate sensitivity, closely related to climate model response, and internal variability in simulations projecting climate's influence on air quality. Here, leveraging a global modeling framework that one-way couples a human activity model, an Earth system model of intermediate complexity, and an atmospheric chemistry model, we investigate the role of climate sensitivity in climate-induced changes to high ozone pollution episodes in the United States using multiple greenhouse gas emissions scenarios, representations of climate sensitivity, and initial condition members. We bias correct and evaluate historical model simulations, identifying modeled and observed O<sub>3</sub> episodes using extreme value theory, and extend the approach to projections of mid- and end-century climate impacts. Results show that the influence of climate sensitivity can be as significant as that of greenhouse gas emissions scenario absent precursor emissions changes. Climate change is projected to increase the magnitude of the highest annually occurring O<sub>3</sub> concentrations by over 2.3 ppb on average across the U.S. at mid-century under a high climate sensitivity and moderate emissions scenario, but the increase is limited to less than 0.3 ppb under lower climate sensitivity. Further, we show that areas in the U.S. currently meeting air quality standards risk being pushed into non-compliance due to a climate-induced increase in frequency of high ozone days.</p>
Algorithmically Detected Rain-on-Snow Flood Events in Different Climate Datasets: A Case Study of the Susquehanna River Basin
<p>This archive contains masked data over the Susquehanna River Basin and associated Python code to reproduce the findings of the manuscript "Algorithmically Detected Rain-on-Snow Flood Events in Different Climate Datasets: A Case Study of the Susquehanna River Basin." Additional water year analysis not included in the manuscript are also tarred in this archive.</p>
Triggering Events, Opinion Leader Networks, and Framing Strategies of Climate Change on Chinese Social Media
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Data from: Persistent genetic signatures of historic climatic events in an Antarctic octopus
Repeated cycles of glaciation have had major impacts on the distribution of genetic diversity of the Antarctic marine fauna. During glacial periods, ice cover limited the amount of benthic habitat on the continental shelf. Conversely, more habitat and possibly altered seaways, were available during interglacials when the ice receded and the sea level was higher. We used microsatellites and partial sequences of the mitochondrial cytochrome oxidase c subunit 1 (MT-CO1) gene to examine genetic structure in the direct-developing, endemic Southern Ocean octopod Pareledone turqueti Joubin, 1905 sampled from a broad range of areas that circumvent the Antarctic continent. We find that, unusually for a species with poor dispersal potential, P. turqueti has a circumpolar distribution and is also found off the islands of South Georgia and Shag Rocks. The overriding pattern of spatial genetic structure can be explained by hydrographic (with ocean currents both facilitating and hindering gene flow) and bathymetric features. The Antarctic Peninsula region displays a complex population structure, consistent with its varied topographic and oceanographic influences. Genetic similarities between the Ross and Weddell Seas, however, are interpreted as a persistent historic genetic signature of connectivity during the hypothesized Pleistocene Western Antarctic Ice Sheet collapses. A calibrated molecular clock indicates two major lineages within P. turqueti, a continental lineage and a subAntarctic lineage, that diverged in the mid-Pliocene with no subsequent gene flow. Both lineages survived subsequent major glacial cycles. Our data are indicative of potential refugia around the Antarctic continent within the Ross Sea, Weddell Sea and off Adélie Land, with mean age of mtDNA diversity within these main continental lineages coinciding with Pleistocene glacial cycles.
Non-native species outperform natives in coastal marine ecosystems subjected to warming and freshening events - A meta-analysis of coastal marine native and non-native species responses to experimentally manipulated climatic events
<p><b>Aims</b>: Contemporary climate change and biological invasions are two main drivers of biodiversity redistribution. Interactive effects between these drivers have been reported in a number of study systems, yet results are conflicting. Some studies find that future climate change facilitates the spread and success of non-native species, especially those with broad physiological tolerances. Other studies conclude that non-natives are vulnerable to current and future changes in climatic conditions. Given that most studies have focused on terrestrial species, here we contribute to this debate by analysing responses of coastal native and non-native fauna and flora to key climate-related stressors namely increased temperature (warming) and decreased salinity (freshening).</p> <p><b>Location: </b>Global.</p> <p><b>Time period: </b>2002 – 2019.</p> <p><b>Major taxa studied: </b>Marine benthic<b> </b>macrophytes and invertebrates.</p> <p><b>Methods</b>: We conducted a meta-analysis of results from experiments investigating the performance (e.g., growth, survival and reproduction) of sessile and sedentary species from benthic marine communities to warming and freshening.</p> <p><b>Results</b>: We found evidence of positive responses to elevated temperature across a range of biological processes on non-native species, whereas the performance of native species declined. Similarly, decreased salinity negatively affected the biological processes of native species, but non-natives<span> showed no positive or negative overall response to freshening</span>.</p> <p><b>Main conclusions:</b> Our study showed that non-native species outperform natives under a wide variety of warming and freshening conditions. The growth and reproduction of non-natives are enhanced by warmer temperatures, and thus ocean warming is expected to facilitate future spread and success of non-native species. Increased freshening, however, <span>will likely have a negative impact in the future in both native and non-native species and thus is expected to be a driver of significant change in coastal marine ecosystems. Our</span> comprehensive literature search revealed the need of more <span>studies </span>focusing on s<span>alinity changes and highlighted the need to expand our understanding of climate change drivers beyond warming.</span></p>
Effects of winter wheat irrigation on local climate and extreme events over the North China by using the high resolution non-hydrostatic regional climate model
<p>The control and irrigation simulation dataset from RegCM4.7.</p>
Data from: The role of climatic and geological events in generating diversity in Ethiopian grass frogs (genus Ptychadena)
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Data from: Persistent genetic signatures of historic climatic events in an Antarctic octopus
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Data from: Multiple extreme climatic events strengthen selection for earlier breeding in a wild passerine
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Archive data for: Loss of predation risk from apex predators can exacerbate marine tropicalization caused by extreme climatic events
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Data from: Evidence for climate-driven diversification? A caution for interpreting ABC inferences of simultaneous historical events
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Data from: Extreme climate events and individual heterogeneity shape life-history traits and population dynamics
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Data from: Tick exposure and extreme climate events impact survival and threaten the persistence of a long-lived lizard
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Data from: Birth dates vary with fixed and dynamic maternal features, offspring sex, and extreme climatic events in a high-latitude marine mammal
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Data from: Strong survival selection on seasonal migration versus residence induced by extreme climatic events
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Deer movement and resource selection during Hurricane Irma: implications for extreme climatic events and wildlife
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Data from: Genetic and life-history consequences of extreme climate events
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Data from: Egg boon fatty acids reveal effects of a climatic event on a marine food web
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The role of extreme rain events in driving tree growth across a continental-scale climatic range in Australia
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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)
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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.