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This data package includes two folders of data from Pacific Black Brant (Branta bernicla nigricans) during winter and migration periods. One folder has data from brant wintering along the Baja California Peninsula and Sonoran coasts of Mexico. The data include: (1) body mass and morphological measurements from sport hunter harvested brant, and (2) census counts of brant in Bahia de San Quintin, (3) counts for flock age ratio determination, and (4) behavior. The other folder has data from brant tagged with VHF radio transmitters in July 1999 on the Yukon Kuskokwim Delta, Alaska and detected in the following two years during their annual migration. Data include: 1) one table with attributes of the tagged brant, 2)...
These data are in two tables relating to fall age ratios (number of juvenile birds : total birds aged) of Black Brant (Branta bernicla nigricans) staging in Izembek Lagoon, Alaska, since 1963. The first table is observation data for the age classes of Black Brant during surveys, and associated survey characteristics. The second table contains model-based estimates of age ratios by year along with Standard Error (SE), and 95% Bayesian credible intervals around estimates.
Note: this data release has been superseded by version 2.0, available here: https://doi.org/10.5066/P9G8TM2S This dataset contains the number of captured individuals recorded for each amphibian species surveyed in all wetlands in the Cottonwood Lake Study Area, Stutsman County, North Dakota. While amphibians were the target of the surveys, reptiles (i.e., turtles, snakes) were also sometimes captured over the course of the surveys and are included in the data file.
This dataset contains the number of captured individuals recorded for each amphibian species surveyed in all wetlands in the Cottonwood Lake Study Area, Stutsman County, North Dakota. While amphibians were the target of the surveys, reptiles (i.e., turtles, snakes) were also captured over the course of the surveys and are included in the data file.
Categories: Data;
Tags: Amphibians,
Animal populations,
Aquatic Biology,
Aquatic animals,
Biomonitoring,
This dataset contains the number of captured individuals recorded for each amphibian species surveyed in all wetlands in the Cottonwood Lake Study Area, Stutsman County, North Dakota. While amphibians were the target of the surveys, reptiles (i.e., turtles, snakes) were also sometimes captured over the course of the surveys and are included in the data file.
Categories: Data;
Tags: Amphibians,
Animal populations,
Aquatic Biology,
Aquatic animals,
Biomonitoring,
This dataset includes location, field measurements, and descriptions of 330 Uma inornata sampled for the research study entitled “Sampling Across 20 Years (1996–2017) Reveals Loss of Diversity and Genetic Connectivity in the Coachella Valley Fringe-Toed Lizard (Uma inornata)”. Field sampling occurred between March and September of 2017 and between April and June of 2018. Lizards were located by visually searching dune habitat in all major populations. Sites included Windy Point, Willow Hole, Train Station, Whitewater, and the South Coachella Valley Preserve. In addition, satellite populations in the Indio Hills and individuals salvaged from Section 24 and translocated to Stebbin’s Dune were also sampled. Lizards...
Categories: Data;
Tags: Riverside,
USGS Science Data Catalog (SDC),
Wildlife Biology,
animal populations,
biota,
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