USGS - science for a changing world

Science Topics

Maps, Imagery, and Publications Hazards Newsroom Education Jobs Partnerships Library About USGS Podcasts/RSS
You are here: Topics
Help
Organism groupings (non-taxonomic)
Used for categories of living organisms that are not taxonomic and that include species from more than one taxonomic group.
Subtopics:
Biota (2 items)
Consumers (organisms) (7 items)
Decomposers (1 items)
Endangered species (22 items)
Keystone species (3 items)
Macroinvertebrates (14 items)
Migratory species (18 items)
Native species (5 items)
Nonindigenous species (52 items)
Plankton (5 items)
Pollinators (3 items)
Shellfish (3 items)
Vegetation (40 items)
Wildlife (38 items)
Genetically engineered organisms (1 items)
Benthos (6 items)
Microbes (3 items)
Nuisance species (2 items)
Related topics:
Results 191 - 200 of 203 listed by similarity [list alphabetically]
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-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.
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.
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.
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.
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.
Result pages:FirstPrevious ... 14 15 16 17 18 19 20 21 NextAll
Alphabetical Index of Topics a b c d e f g h i j k l m n o p q r s t u v w x y z

Accessibility FOIA Privacy Policies and Notices

Take Pride in America logo USA.gov logo U.S. Department of the Interior | U.S. Geological Survey
URL: http://www.usgs.gov/science//science/science.php?term=841&b=190&n=10
Page Contact Information: Ask USGS