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Life sciences
Branches of science that study living and fossil organisms.
Subtopics:
Anatomy and physiology (6 items)
Aquatic biology (53 items)
Biochemistry (11 items)
Botany (25 items)
Developmental biology (2 items)
Ecology (133 items)
Ecotoxicology (63 items)
Genetics (8 items)
Marine biology (21 items)
Microbiology (12 items)
Morphology (biological) (1 items)
Mycology (2 items)
Parasitology (2 items)
Pathology (26 items)
Systematics and taxonomy (15 items)
Zoology (121 items)
Related topics:


Results 384 - 426 of 426 listed alphabetically [list by similarity]
PDF USGS Zebra Mussel Monitoring Program for north Texas [More info]
General characteristics of this invasive freshwater mollusk, focusing on how we monitor its presence and migration through this region.
USGS activities in Nevada [More info]
Homepage for USGS projects in Nevada with links to geography, biology, geology and water projects, news items, customers, Frequently Asked Questions (FAQs), education, recreation, data, studies, and publications on Nevada.
USGS fact sheets [More info]
Access and listing of popular USGS publications listed by themes: resources, hazards, environment, information management, and states, and also by scientific discipline.
USGS image collections [More info]
Homepage to access a large number of photograph collections on many subjects including national parks, ecosystems, plants and animals, and geologic features.
USGS mine drainage activities [More info]
Listing of USGS research and monitoring projects on mine drainage, in order to promote cooperation and collaboration among scientists working on problems related to mining and the environment.
USGS multimedia gallery [More info]
Photographs of landscapes, earth history, waterways, wildlife, changing worlds, and earth scientists.
USGS recreation site: your science gateway for safe and vital enjoyment of the outdoors [More info]
Gateway to useful USGS websites for recreation in nature watching and exploring, boating, camping, climbing, fishing, hiking, biking, and hunting, with links to maps, real-time streamflow, geology, photos, and plant and animal information.
USGS responds to Deepwater Horizon oil spill [More info]
Imagery, sampling information, and other data intended for use in assessing and remediating environmental problems related to the oil spill in the Gulf of Mexico in 2010
USGS-National Park Service (NPS) Vegetation Mapping Program [More info]
The USGS-NPS Vegetation Mapping Program is a cooperative effort with the National Park Service (NPS) to classify, describe, and map vegetation communities in over 270 U.S. national park units with links to overview, standards, products, and applications.
USGS: Ecosystems [More info]
Homepage for the Ecosystems Mission Area of the USGS, providing links to scientific programs, organization, and special features.
PDF Understanding beach health throughout the Great Lakes-Entering a new era of investigations [More info]
People who manage recreational areas need better, more timely estimates of the likelihood that the beach and lake waters will be hazardous to human health, and which factors cause those hazards.
PDF Understanding pesticides in California's Delta [More info]
The Sacramento-San Joaquin River Delta is the hub of California's water system and an important habitat for fish and wildlife. USGS research has provided resource managers and other stakeholders with a good understanding of how pesticides enter the Delta.
PDF Understanding the habitat needs of the declining western yellow-billed cuckoo [More info]
This endangered species prefers native trees in large, continuous areas of riparian habitat. Armed with this information, resource managers may identify and preserve areas favorable to this population.
PDF Unearthing Secrets of the Forest [More info]
Understanding how carbon and nutrients cycle in forests (forest biogeochemistry) is crucial for evaluating productivity, composition, diversity and change in forests.
Upper Midwest Environmental Science Center (UMESC) [More info]
Homepage for Upper Midwest Environmental Science Center, LaCrosse, Wisconsin, with links to data library, geographical search, science programs, partnerships, long-term resource monitoring program, reports and publications, and education.
PDF Using genetic research to inform imperiled and invasive species management [More info]
Describes investigative techniques focused on genetic characteristics of individuals and populations, and explains how this information helps improve existing natural populations and potentially impede invasive populations.
PDF Using observed warming to identify hazards to Mozambique maize production [More info]
Over 30 years of substantial warming, the timing of life cycle events in maize here has changed, threatening the crop yield by exposing the plant at sensitive phases in its life cycle to increased heat and drought, and lowering the weight of its grains.
Vegetation recovery after fire in the Klamath-Siskiyou region, southern Oregon [More info]
Summarizes studies that took place in this ecoregion. Some studies occurred in areas without post-fire management, and others in moderately or intensively managed areas. Some of the research also occurred immediately after a wildfire, and other work occur
Vegetation sampling and classification of Great Smoky Mountains National Park (Cades Cove and Mount Le Conte quadrangles): final report [More info]
Report of a pilot study to classify vegetation communities in parts of the Smoky Mountains National Park by sampling vegetation in selected areas with information on field methods and data analysis and lists of communities identified.
Volunteer for a changing world [More info]
Volunteer opportunities with U.S. Geological Survey research programs.
Walrus research at the Alaska Science Center [More info]
Review of current research on stock assessment of the Pacific walrus in the Chukchi and Bering Seas and interactions between walruses and their environment with links to walrus taxonomy, distribution, behavior, and relation to man
Waste disposal and contaminant migration in the arid Southwest: Amargosa Desert Research Site, Nevada [More info]
Links to studies at the Amargosa Desert Research Site by the USGS Toxic Substances Hydrology Program studying the subsurface migration and fate of contaminants in arid environments. Links to news, remediation, photos, bibliography and techniques.
Water resources of Washington State - projects/studies [More info]
List of links to USGS research and studies on the water resources of Washington, which can be searched by subject, basin and county.
Waterfowl identification in the Central Flyway [More info]
Identification manual with colored photos of species of puddle ducks, diving ducks, geese, mergansers, swans, cranes, herons, egrets, pelicans and cormorants. Also includes information on ordering print copy and downloading as *.zip file.
West Nile Virus (WNV) [More info]
National Wildlife Health Center studies the West Nile Virus to learn the current geographic extent, to understand how the virus moves between birds, mosquitoes, and humans, and to predict future movements of the virus.
Western Ecological Research Center (WERC) [More info]
Links to research at the field stations of the Western Ecological Research Center with direct links to web pages for wildlife videos, satellite telemetry, fire ecology, invasive species, herpetology field guide, and coastal ecosystems.
Western Ecological Research Center (WERC) - outreach [More info]
Links to highlights, news releases, and fact sheets about Western Ecological Research Center (WERC) research and activities; brief summaries of published research; you can see and listen online as WERC scientists discuss their studies.
Western Fisheries Research Center (WFRC) [More info]
Brief description of the Western Fisheries Research Center in Seattle devoted to research on fish populations and aquatic ecosystems of the West. Links to research programs, laboratory locations, publications, and map services.
Western Fisheries Research Center - Our research: aquatic ecosystems [More info]
Links to reports of aquatic ecosystems research at the Western Fisheries Research Center (WFRC) emphasizing the understanding of ecological processes for aquatic systems, including river basins, riparian areas, wetlands, and estuaries.
Western Fisheries Research Center--Forage fish studies in Puget Sound [More info]
Human perturbations such as shoreline armoring or urban development can affect the nearshore habitats critical to these populations of small fish which support birds and larger fish.
Western lake catchment systems - Bear Lake region, Idaho-Utah [More info]
Homepage for project on Bear Lake, Idaho-Utah, to study past climate change and effect on lake catchment basins. Includes link to summary, personnel, geology, methods used including coring and seismic surveying, and publications.
Wetland restoration bibliography [More info]
This bibliography is intended to provide scientists, managers, educational institutions (or students), and policy-makers with online access to current information on wetland restoration.
Wetlands Ecology Branch, National Wetlands Research Center [More info]
Information on the NWRC Wetlands Ecology Branch, which conducts research related to sustainable management and restoration of the nation's coastal saltwater wetlands, freshwater wetlands, submerged aquatic ecosystems, and coastal prairie.
What's new at the Patuxent Wildlife Research Center (Maryland) [More info]
Links to news articles on scientific activities at Patuxent Wildlife Research Center, located in Maryland, north of Washington DC.
White Sturgeon Passage at The Dalles Dam [More info]
Upstream and downstream passage of white sturgeon at dams on the Columbia River.
PDF White-nose syndrome in bats: U.S. Geological Survey updates [More info]
Summary of current knowledge of this increasing problem, emphasizing recent USGS research on the issues surrounding it.
Whitebark pine communities [More info]
Report on status and trends of whitebark pine communities with references to related publications.
PDF Wild Sheep and Deer in Hawai'i - A Threat to Fragile Ecosystems [More info]
Shooting them doesn't work, they just breed more. And they trample on the native plants. These animals were brought to the islands during the last 150 years, and we're trying to develop ways of managing their impact on the native life.
Wildland fire managers site [More info]
Site with GIS maps of western wildfire areas with some access limited to wildland fire managers.
Wildland fire research [More info]
Thematic descriptions of research to meet the varied needs of the fire management community and to understand the role of fire in the landscape including fire management support, studies of postfire effects, and fire history and ecology.
Wildlife and Terrestrial Resources Program [More info]
Homepage of the USGS Wildlife and Terrestrial Resources Program with links to projects, centers, and cooperative research units.
Wind energy and wildlife research at the Forest and Rangeland Ecosystem Science Center [More info]
How will the increasing use of wind turbines affect populations of wild birds and bats? This shows which birds and bats we study, and the aspects of their ecology that may be affected by wind energy development.
Woods Hole Coastal and Marine Geology Field Center [More info]
Site with links to projects of the field center of the Woods Hole Coastal Marine Geology Program on underwater areas between shorelines and the deep ocean, off the U.S. East Coast, the Gulf of Mexico, and in parts of the Caribbean and Great Lakes.
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