Search Results for the EPA National Library Catalog

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Level III and IV ecoregions of Pennsylvania and the Blue Ridge Mountains, the central Appalachian Ridge and valley, and the central Appalachians of Virginia, West Virginia, and Maryland / 1996
Linking species & ecosystems 1995
Long-term changes in coastal benthic communities : proceedings of a symposium, held in Brussels, Belgium, December 9-12, 1985 / 1987
Macrolevel ecosystem models in relation to man : a preliminary analysis of concepts and approaches / 1972
Maryland biological stream survey : ecological assessment of non-tidal streams sampled in 1996 / 1998
Maryland biological stream survey : ecological status of non-tidal streams in six basins sampled in 1995 / 1997
Maryland biological stream survey design report 1993
Maryland biological stream survey sampling manual / 1994
Maryland biological stream survey, round three field sampling manual / 2010
Maximum utilization of water resources in a planned community : contributions of refractory compounds by a developing community / 1980
Methods to assess the effects of chemicals on ecosystems / 1995
Mid-Atlantic highlands streams assessment : final report / 2000
Minnesota's natural heritage : an ecological perspective / 1995
Modeling of chlorinated paraffins in three aquatic ecosystems : Draft / 1985
Modification of an Index of Biotic Integrity Based on Fish Assemblages to Characterize Rivers of the Seine Basin, France. 1992
Molecular ecology of aquatic communities 1999
Monitoring assessment of long-term changes in biological communities in the Santa Maria Basin, phase III : final year one report / 1993
Multivariate analysis in community ecology / 1982
Multivariate analysis of ecological communities 1987
Muskegon, Michigan industrial-municipal wastewater storage lagoons : biota and environment / 1977
National hierarchical framework of ecological units / 1993
Natural heritage inventory of the City of Chesapeake, Virginia : conservation priorities, significant natural communities, and rare species / 1998
Nature's services : societal dependence on natural ecosystems / 1997
Near Infrared Aerial Photo-Detection of 'Zostera japonica' Communities in Pacific Northwest Estuarine Intertidal Habitats. 1999
Network analysis in marine ecology : methods and applications / 1989
Niche : theory and application / 1975
Nonlinear physics of ecosystems / 2015
Notification of a consultation on ecological/economic modeling and ecosystems valuation / 1995
Organization of communities past and present / 1987
Our living resources : a report to the nation on the distribution, abundance, and health of U.S. plants, animals, and ecosystems / 1995
Panarchy : understanding transformations in human and natural systems / 2002
Parasites in ecological communities : from interactions to ecosystems / 2011
Pesticides and the living landscape 1964
Potentials and limitations of ecosystem analysis 1987
Predictive environmental toxicology of pesticides in the air, soil, water, and biota of terrestrial model ecosystems 1977
Prehistoric Native Americans and ecological change : human ecosystems in eastern North America since the Pleistocene / 2004
Preliminary review of adaptation options for climate-sensitive ecosystems and resources : final report / 2008
Proceedings 1969
Proceedings : 1996 Platte River Basin ecosystem symposium : February 27, 1996, Kearney, Nebraska / 1996
Proceedings : 1997 Platte River Basin Ecosystem Symposium : February 18 & 19, 1997, Kearney, Nebraska / 1997
Proceedings : tenth Platte River Basin Ecosystem Symposium : 23-24 February 1999, Kearney, Nebraska / 1999
Proof of concept for integrating bioassessment results from three state probabilistic monitoring programs : final report / 2006
Pyrethroids : their effects on aquatic and terrestrial ecosystems / 1986
Radioactivity transport in water--structure and metabolism of a lotic community April-July 1964 / 1965
Readings in population and community ecology 1975
Readings in population and community ecology / 1964
Reconnaissance of Noatak National Preserve and biosphere reserve as a potential site for inclusion in the integrated global background monitoring network 1986
Recovery of lotic communities and ecosystems following disturbance : theory and application / 1990
Refinement and Validation of a Fish Index of Biotic Integrity for Maryland Streams. 2000
Regime shifts in lake ecosystems : pattern and variation / 2003
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