Search Results for the EPA National Library Catalog

Items Found: 308

Showing: Items 1 - 50

Your Search: (SUBJECT=Biotic communities.)

 
 
 

1 2 3 4 5 6 7 NEXT
Select Item Title Year Published
A database of historical benthic invertebrate biodiversity spanning 182 years in Narragansett Bay (Rhode Island and Massachusetts) / 2018
A guide to the Great Lakes Water Quality Agreement : background document for the 2006 Governmental Review / 2005
A Hierarchical concept of ecosystems / 1986
A history of the ecosystem concept in ecology : more than the sum of the parts / 1993
A Phase I inventory of current EPA efforts to protect ecosystems / 1995
A preliminary compartment model of a tallgrass prairie, Osage site, 1970 / 1972
A Preliminary inventory of the biota of Padilla Bay / 1990
A proposed framework for developing indicators of ecosystem health for the Great Lakes region / 1991
A screening procedure to evaluate air pollution effects on Class I wilderness areas / 1989
A use attainability study : an evaluation of fish and macroinvertebrate assemblages of the lower Calcasieu River, Louisiana / 1986
Aboveground-belowground linkages : biotic interactions, ecosystem processes, and global change / 2010
Advice to governments on their review of the Great Lakes Water Quality Agreement : a special report to the governments of Canada and the United States / 2006
Alaska's aquatic ecosystems {electronic resource} / 2000
Alien invasive species and biological pollution of the Great Lakes Basin ecosystem / 2001
An assessment of ecosystem components in the interior Columbia Basin and portions of the Klamath and Great Basins / 1997
An ecological characterization of the Pacific Northwest coastal region / 1980
An ecological characterization of the Salt River Bay National Historical Park and Ecological Preserve, U.S. Virgin Islands / 2005
An environmental history of the world : humankind's changing role in the community of life / 2001
An inventory of EPA headquarters ecosystem tools / 1995
Analysis of ecological communities / 2002
Aquatic biota of Trout Creek, Manitou Experimental Forest, Colorado 1978
Arctic and alpine biodiversity : patterns, causes, and ecosystem consequences / 1995
Arizona's natural environment : landscapes and habitats / 1964
Artificial streams for ecosystem toxicity studies 1987
Assemblage structure, microhabitat distribution, and food web linkages of epibenthic crustaceans in Padilla Bay National Estuarine Research Reserve, Washington / 1990
Assembly rules and restoration ecology : bridging the gap between theory and practice / 2004
Assessment of benthic communities along salinity gradients in northeastern Florida Bay 1989
Assessment of the sport fishery potential for the Bear Creek floatway biological integrity of representative sites, 1986 / 1987
Autecology : organisms, interactions and environmental dynamics / 2014
Balance of nature? : ecological issues in the conservation of species and communities / 1991
Balancing nature and commerce in gateway communities 1997
Basic field data collection procedures for the Grassland Biome, 1971 season / 1971
Biodiversity and ecosystem function 1994
Biodiversity and ecosystem function : maintaining natural life support processes / 1999
Biodiversity in ecosystems : principles and case studies of different complexity levels / 1999
Biodiversity of the southeastern United States : aquatic communities / 1992
Biological survey for the nation 1993
Biological uniqueness and conservation of island ecosystems. 2003
Biological-community composition in small streams and its relations to habitat, nutrients, and land use in agriculturally dominated landscapes in Indiana and Ohio, 2004, and implications for assessing nutrient conditions in Midwest streams / 2009
Biotic communities : southwestern United States and northwestern Mexico / 1994
Biotic regulation of the environment : key issue of global change / 2000
Biotic, water quality and hydrologic characteristics of Skyline Marina in 1978 1980
Challenges and opportunities in the hydrologic sciences / 2012
Changing climates, ecosystems, and environments within arid southern Africa and adjoining regions / 2016
Chemical and biotic characteristics of two low-alkalinity lakes in northern Wisconsin relation to atmospheric deposition / 1993
Chemosphere. climate change effects on northern terrestrial and freshwater ecosystems : presentations from the Symposium held at Artikum, Rovaniemi, Finland, 18-20 September, 1997 Global change science. 1999
Chesapeake Bay low flow study : biota assessment : phase I : final report 1980
Chesapeake Bay low freshwater inflow study : biota assessment : phase II : final report 1982
Chesapeake Bay low freshwater inflow study. 1982
Classification of North American biotic communities 1998
1 2 3 4 5 6 7 NEXT

Save, Print or Email Selected Records