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These data are netcdf files of the projected timing of the onset of thermal stress severe enough (>8 Degree Heating Weeks) to cause coral bleaching 2x per decade and 10x per decade (annual) under emissions scenarios RCP8.5 and RCP4.5. The projected timing (a year between 2006 and 2100) is the data value. Values are only shown for the ~60,000 four-km pixels where coral reefs are known to occur.
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These data describe observations of sea otter foraging behavior in Glacier Bay National Park and Preserve. Data consist of dive and surface times, success in prey retrieval, prey item, prey quantity, and size. Additionally, location of observations, and age class, sex, and pup status of the focal sea otter were also recorded.
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These data are is part of the Gulf Watch Alaska (GWA) long term monitoring program, nearshore monitoring component. Specifically, these data describe sea otter (Enhydra lutris) aerial survey observations from the waters around Kenai Fjords National Park between 2002 and 2016. Sea otters are a keystone predator, well known for structuring the nearshore marine ecosystem through their consumption of invertebrate prey. The dataset consists of 3 comma delimited files exported from Microsoft Excel. The data consists of 1. Strip transect counts, 2. Intensive Search Unit (ISU) counts, and 3. Transect coordinates. For each aerial survey, a pilot flew an airplane at an altitude of 91m over pre-determined transects while an...
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Plants and animals undergo certain recurring life-cycle events, such as migrations between summer and winter habitats or the annual blooming of plants. Known as phenology, the timing of these events is very sensitive to changes in climate (and changes in one species’ phenology can impact entire food webs and ecosystems). Shifts in phenology have been described as a “fingerprint” of the temporal and spatial responses of wildlife to climate change impacts. Thus, phenology provides one of the strongest indicators of the adaptive capacity of organisms (or the ability of organisms to cope with future environmental conditions). In this study, researchers are exploring how the timing and occurrence of a number of highly...
This study sought to advance our understanding of the responses of large migratory whales and other marine wildlife to climate change by examining species-specific shifts in timing of migration and habitat use. We used long-term historical datasets to measure changes in timing of seasonal habitat use in the Gulf of Maine (GOM) ecosystem by North Atlantic right (Eubalaena glacialis), fin (Balaenoptera physalus), humpback (Megaptera novaeangliae), and minke whales (Balaenoptera acutorostrata). Occupancy modeling, spatial analyses, and synthetic approaches evaluated changes in the seasonal habitat use by large migratory whales, changes in risk of whale interactions with human activities such as shipping and fishing...
    map background search result map search result map How and Why is the Timing and Occurrence of Seasonal Migrants in the Gulf of Maine Changing Due to Climate? Gulf Watch Alaska, Benthic Monitoring Component: Sea Otter Aerial Survey Data Kenai Fjords National Park, 2002-2016 Glacier Bay National Park and Preserve Sea Otter Forage Data, 1993-2019 Glacier Bay National Park and Preserve Sea Otter Forage Data, 1993-2019 Gulf Watch Alaska, Benthic Monitoring Component: Sea Otter Aerial Survey Data Kenai Fjords National Park, 2002-2016 How and Why is the Timing and Occurrence of Seasonal Migrants in the Gulf of Maine Changing Due to Climate?