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Found 532 dataset(s) matching "abundance estimation".
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Data collection for Deepwater Horizon Bird Study #12 occurred in the Spring of 2011. Data were collected primarily by BioDiversity Research Institute (BRI) and R.G. Ford Consulting Company (RGFCC)...
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These data were compiled for a study that investigated the effects of experimentally imposed seasonal droughts (cool season drought, warm season drought, ambient) and drought recovery on plant...
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<p>Site information and field-collected data from a 1-year 100-site survey of leafy spurge (<em>Euphorbia virgata/esula</em>) populations in the northern U.S. Data include: 1) estimates of leafy...
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This dataset includes visual line transect survey data collected in the summer of 2019 in the waters of Southeast Alaska. The survey was designed for updating the abundance estimate of harbor...
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Estimates of the abundance and habitat area for two species of burrowing shrimps in Yaquina Bay estuary, Oregon. This dataset is associated with the following publication: Dumbauld, B., L....
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These data provide estimates of abundance and measures of harvest pressure for five species (mallard, American green-winged teal, wood duck, ring-necked duck, and Common and Barrows' goldeneyes...
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<p dir="ltr">This dataset contains all raw data and R statistical software code needed to reproduce the data processing, statistical model fitting, and data/model visualizations presented in the...
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Crustacean zooplankton were collected, enumerated, identified, and measured within the St. Clair-Detroit River System (SCDRS). Collections were made using a 0.5 m diameter 153 um zooplankton net....
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This study estimated the abundance of microplastics (i.e., plastics measuring less than 5mm) on marine turtle nesting beaches during 2018-08-04 to 2020-01-24. Samples were collected with metallic...
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These data are part of the Gulf Watch Alaska (GWA) long term monitoring program, nearshore monitoring component. Specifically, these data describe sea otter (Enhydra lutris) aerial survey...
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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...
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Field estimates of the abundance of two trout species (bull trout and westslope cutthroat trout) in Montana and rainbow trout in Washington and British Columbia were collected in concert with...
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Sea otter sighting data including location; point locations for the beginning and end of each transect were programmed into an aircraft global positioning system, each sea otter sighting was...
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These data include down-looking images of round goby (Neogobius melanostomus) in either cobble or sand substrates within clear acrylic enclosures (0.86-meters (m) long, by 0.56-m wide, by 1.07-m...
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The dataset consists of zooplankton abundance estimates from an ecosystem survey in the Bering Sea. The survey follows the 70 m isobath along the middle shelf. At each station, a bongo net array...
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Here we provide one of the first systematic, “snapshot” surveys of the entire North Coast Study Region, from the Oregon border to the headland at Point Arena. Our attempt was to characterize these...
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The large-area stationary point count (SPC) method is used to conduct reef fish surveys in the Hawaiian and Mariana Archipelagos, American Samoa, and the Pacific Remote Island Areas as part of...
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Belt transects (BLT) are a non-invasive underwater-survey method that enumerates the diverse components of diurnally active shallow-water reef fish assemblages. At each Rapid Ecological Assessment...
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Under proposed Alternatives 3 and 4 in the draft Environmental Assessment for the proposed rule (Permits for Incidental Take of Eagles and Eagle Nests), wind facilities would be eligible for a...
