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Manatee Research (Sirenia Project)

Web page for the Sirenia Project, a USGS Florida Integrated Science Center project that conducts studies on the West Indian manatee (Trichechus manatus). Includes links to manatee research in the news, international research, publications and presentations, and project staff contact information.

  • close up of a manatee

Quantitative Threats Analysis for the Florida Manatee (Trichechus manatus latirostris)

This report assesses and forecasts the status of the Florida manatee population over 50 to 150 years, and examines the relative roles that different threats play in determining the status of these marine mammals, in cooperation with scientists at the Florida Fish and Wildlife Conservation Commission's Fish and Wildlife Research Institute (FWC). More...

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Polar Bear Research at the Alaska Science Center - Population Dynamics Projects

This web resource is about polar bear research at the Alaska Science Center. It points to web links related to population dynamics, which includes abundance and vital rates, polar bear status, population size, distribution, radiotelemetry use to allocate harvests among polar bear stocks, effects of hypothetical oil spills on polar bears, pelagic More...

  • Male polar bear near Kaktovik

Manatee Captures and Health Assessment

Health assessments are a valuable tool to determine the fitness, specifically related to environmental and medical issues, of any population of wildlife. Marine mammals, such as manatees, are often used as sentinels for emerging threats to the ocean environment and human health. A two-team approach is used to capture and exam manatees. The More...

  • Underwater view of a manatee in Crystal River, Florida

National Resources Monitoring Partnership (NRMP)

Natural resource managers face complex decisions that require a clear understanding of the status of wildlife populations and their habitats. Monitoring is key to making effective management decisions and evaluating the outcomes of those decisions. The goal of NRMP is to improve the accessibility of monitoring efforts to resource managers to aid More...

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National Resources Monitoring Partnership (NRMP) Newsletter

Natural Resource Monitoring Partnership (NRMP) is a collaborative effort by the natural resource management community to improve monitoring efforts in order to support effective evaluation and decision-making by sharing information on monitoring projects and protocols. The Natural Resource Monitoring Partnership was built for easy access to More...

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Interagency Grizzly Bear Study Team

An overview of the population status and trend monitoring efforts for grizzly bears in the Greater Yellowstone Ecosystem during the 2002 field season. Contains statement of problem, objectives, methodology, communication plan, and highlights and key findings.

  • grizzly bear

Northern Divide Grizzly Bear Project

In 1975 grizzly bears were listed as threatened under the Endangered Species Act. This project estimates the grizzly bear population size, using sign surveys and systematic hair snag stations to obtain an estimate of the number of grizzly bears in the Northern Continental Divide Ecosystem (NCDE) in northwest Montana. Another objective is to More...

  • Northern Divide Grizzly Bear Project logo