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Organism groupings (non-taxonomic)
Used for categories of living organisms that are not taxonomic and that include species from more than one taxonomic group.
Benthos (6 items)
Biota (2 items)
Consumers (organisms) (7 items)
Decomposers (1 items)
Endangered species (22 items)
Genetically engineered organisms (1 items)
Keystone species (3 items)
Macroinvertebrates (14 items)
Microbes (3 items)
Migratory species (18 items)
Native species (5 items)
Nonindigenous species (52 items)
Nuisance species (2 items)
Plankton (5 items)
Pollinators (3 items)
Shellfish (3 items)
Vegetation (41 items)
Wildlife (38 items)
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Results 131 - 140 of 213 listed by similarity [list alphabetically]
Northern Appalachian Field Branch, Leetown Science Center [More info]
Description of scientific focus and research at the Northern Appalachian Field Lab on mining land use impacts and mediation, aquatic ecology, effects of dam removal, and invasive plant and animal species.
Northern Divide Grizzly Bear Project [More info]
Project to assess the grizzly bear population size, trend, and survival in the Northern Continental Divide Ecosystem (NCDE) in Montana to improve the long-term survival for this threatened species. With description, DNA identification means and photos.
Northern prairie biological resources [More info]
Retrieval system to locate websites on publications and compilations on biological resources. Searches can be made by type, such as checklists, distribution, and regional overviews, by taxon, and by geography, including global, U.S., and Canada.
Northern Prairie Wildlife Research Center [More info]
Homepage for the Northern Prairie Wildlife Research Center, Jamestown, ND, with links to announcements, science prgorams, biological resources finder, publications search option, contacts, and answers to common questions about the Center
Nutrients in the Nation's streams and groundwater: National findings and implications [More info]
Despite public sector efforts to reduce nonpoint-source nutrients in streams and rivers, concentrations have remained the same or increased, continuing to pose risks to aquatic life and human health.
Oil Pollution Impacts on Birds [More info]
A compilation of information, including reports, bibliographies, and data, on all aspects oil toxicity relevant to birds and other wildlife.
PDF Operational guidelines for geological fieldwork in areas endemic for Coccidioidomycosis (Valley Fever) [More info]
Report giving operational guidelines that will lower the risk of coccidioidomycosis (Valley fever) for individuals who work outdoors in areas where the disease is endemic.
Overview of the greenness of the conterminous U.S. [More info]
Site to learn about, view, and order digital image vegetation condition (greenness) maps of the conterminous U.S. based on the Normalized Difference Vegetation Index (NDVI) with imagery from Advanced High Resolution Radiometer (AVHRR).
Pacific Island Ecosystems Research Center [More info]
Geographical isolation of the Hawaiian Islands has resulted in the evolution of endemic species unique in the world. Research at the Center aims at preventing the further extinction of these species. Links to projects, publications and other data.
Patuxent bird population studies [More info]
Links to ornithology programs at Patuxent Wildlife Research Center, Laurel, MD, including large scale survey analysis of bird populations, research tools, datasets and analyses, bird identification, and seasonal bird lists.
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