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Biological and physical processes
All continuing activities, functions, and phenomena associated with organisms and non-living matter.
Subtopics:
Atmospheric and climatic processes (87 items)
Ecological processes (85 items)
Fires (12 items)
Geologic processes (236 items)
Geochemical processes (9 items)
Ocean processes (16 items)
Physiological processes (9 items)
Hydrologic processes (161 items)
Evolution (1 items)
Impact cratering (3 items)
Results 1 - 10 of 521 listed by similarity [list alphabetically]
Patuxent's effects of ecological processes and human impacts on biological resources--invasive species [New Window]
List and brief abstracts on research projects on invasive species, the ecology of introduced species, and developing management strategies at Patuxent Wildlife Research Center.
Biological Resources [New Window]
Homepage for the Biological Resources Discipline of the USGS providing links to scientific programs, organization, and special features.
Biological resource status and trends: Climate change [New Window]
Information concerning status and trends of biological resources, focusing on climate change
Biological resource status and trends: Extreme events and disturbances [New Window]
Information concerning status and trends of biological resources, focusing on extreme events and disturbances
Biological resource status and trends: Fire [New Window]
Information concerning status and trends of biological resources, focusing on fire
Biological soil crusts [New Window]
Explains biological soil crusts, organism-produced soil formations commonly found in semiarid and arid environments, with special reference to their biological composition, physical characteristics, and ecological significance.
PDF Biological soil crusts: webs of life in the desert [New Window]
Fact sheet on the need to protect biological soil crusts in the desert. These crusts are most of the soil surface in deserts not covered by green plants and are inhabited by cyanobacterium (blue-green algae) and other organisms useful to the ecosystem.
Earth Surface Processes [New Window]
Homepage for Earth Surface Processes Team with research studies in two general categories: climate change and geologic mapping. Links to research activities, available data sets, workshop, and programs.
Erosion in the Rio Puerco: geography and processes [New Window]
Paper on the accelerated erosion of the Rio Puerco, a tributary of the Rio Grande in New Mexico, which has deepened and widened its channel, or arroyo, since the settlement of the region.
Landslide types and processes [New Window]
An introductory primer giving basic scientific facts about landslides--the types of landslides, how they are initiated, and how they can begin to be managed as a hazard.
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