Search Results for the EPA National Library Catalog

Items Found: 767

Showing: Items 401 - 450

Your Search: (SUBJECT=Aquatic ecosystems)

 
 
 

PREV 1 ... 4 5 6 7 8 9 10 11 12 13 14 ... 16 NEXT
Select Item Title Year Published
Handbook of methods for acid deposition studies : laboratory analyses for soil chemistry / 1990
Hard Bottom Mapping of Tampa Bay. 1994
Historic Trends in Lake Michigan Silica Concentrations. 1988
Human health and environmental damages from mining and mineral processing wastes : technical background document supporting the final rule applying phase IV land disposal restrictions to newly identified mineral processing wastes. 1998
Human health and environmental damages from mining and mineral processing wastes : technical background document supporting the final rule applying phase IV land disposal restrictions to newly identified mineral processing wastes. 1998
Hydrolysis of Chlorostilbene Oxide. 1. Hydrolysis in Homogeneous Systems. 1989
Illinois Groundwater Protection Program. Biennial Comprehensive Status and Self-Assessment Report. 2004
Illinois Water Quality Report, 1992-1993. Volume 1. 1994
Illinois Water Quality Report, 1992-1993. Volume 2. 1994
Illinois Water Quality Report, 1994-1995. Volume 1. 1996
Illinois Water Quality Report, 1994-1995. Volume 2. 1996
Impact of chlorine/ammonia on ecosystem structure and function in experimental streams. [Microfiche]. 1988
Impact of Freshwater Flow Variations in the Manatee River. 1994
Impacts of Section 404 Permits Requiring Compensatory Mitigation of Freshwater Wetlands in Texas and Arkansas. 1993
Impacts of Section 404 Permits Requiring Compensatory Mitigation on Wetlands in California (USA). 1992
Impervious surface area and benthic macroinvertebrate response as an index of impact from urbanization on freshwater wetlands / 1997
Impervious Surface Area and Benthic Macroinvertebrate Response as an Index of Impact from Urbanization on Freshwater Wetlands. 1995
Implementation Plan for Removing Impediments to Migratory Fishes in the Chesapeake Bay Watershed. Annual Progress Report, 1994. 1995
Implications of Climate Change for Bioassessment Programs and Approaches to Account for Effects. 2012
Importance of Hydrogen Ions and Aluminium in Regulating the Structure and Function of Steam Ecosystems: An Experimental Test. 1987
Importance of Physical Scaling Factors to Benthic Marine Invertebrate Recolonization of Laboratory Microcosms. 1993
Importance of Protecting Vulnerable Streams and Wetlands at the Local Level. Wetlands and Watersheds Article No. 6. 2007
Importance of surface water/groundwater interactions issue paper 1999
Incline Village general improvement district wetlands enhancement facility : a total evaporative constructed wetland treatment/disposal system. 1993
Incline Village general improvement district wetlands enhancement facility [Microfiche] : a total evaporative constructed wetland treatment/disposal system. 1993
Indicator development : seagrass monitoring and research in the Gulf of Mexico : report of a workshop held at Mote Marine Laboratory in Sarasota, FL, January 28-29, 1992 / 1994
Influence of Size on Fate and Ecological Effects of Kepone in Physical Models. 1991
Intensive Survey of the Cache River Basin, Summer 1992. 1995
Intensive Survey of the Cache River Basin, Summer 1999: Data Summary. 2002
Interaction among Environmental Factors and Recruitment Potential in Striped Bass. 1997
Interagency Data Sharing through GIS for Cockroach Bay. 1993
Interagency workgroup on air quality modeling (IWAQM) work plan rationale / 1992
Interim Guidance on Interpretation and Implementation of Aquatic Life Criteria for Metals. 1992
Interim Report on the Savannah River Studies, 1955. 1957
International Symposium on Biology and Management of Ruffe. Symposium Abstracts. Held in Ann Arbor, Michigan on March 21-23, 1997. 1997
It Pays to Save Wetlands 2004
Jackson Bottom wetlands preserve : Hillsboro, Oregon. 1993
Jacques Marsh : a created wetland in northeastern Arizona. 1993
Laboratory procedure for determining substrate removal rate coefficients for biofilms 1989
Lake and reservoir restoration guidance manual / 1990
Lake and reservoir restoration guidance manual / 1990
Lake and reservoir restoration guidance manual / 1988
Lake and reservoir restoration guidance manual / 1988
Lake and Stream Indicators for U.S. EPA's Environmental Monitoring and Assessment Program. 1991
Lake Champlain Basin Aquatic Nuisance Species Management Plan (Revised 2005). 2005
Lake Michigan Water Quality Report 1992-1993. 1997
Land cover trends : rates, causes, and consequences of late-twentieth century U.S. land cover change / 1999
Land cover trends : rates, causes, and consequences of late-twentieth century U.S. land cover change / 1999
Landscape and Watershed Influences on Wild Salmon and Fish Assemblages in Oregon Coastal Streams. 2003
Limnological Investigation of the Yellowstone River Related to Taste and Odor Problems in Domestic Water Supplies, Laurel to Glendive, Montana, August-September, 1952. 1952
PREV 1 ... 4 5 6 7 8 9 10 11 12 13 14 ... 16 NEXT

Save, Print or Email Selected Records