Search Results for the EPA National Library Catalog

Items Found: 1987
Showing: Items 151 - 200
Your Search: (SUBJECT=ecosystems)


 
 
 
PREV 1 2 3 4 5 6 7 8 9 10 11 12 ... 40 NEXT
Select Item Title Year Published
Analysis of Regional Lake Water Quality Patterns: Implications for Lake Resource Management in Minnesota. 1987
Animal investigation program 1973 annual report : Nevada Test Site and vicinity / 1977
Anion mobility in soils : relevance to nutrient transport from terrestrial to aquatic ecosystems / 1977
Annual Nutrient Cycles in a Marine Microcosm. 1982
Annual progress report : Chesapeake Bay striped bass fishery management plan : a commitment progress report / 1993
Annual progress report : fishery management plans 1994 : alosid, blue crab, oyster, bluefish, weakfish/spotted seatrout, summer flounder, Atlantic croaker/spot, American eel, black drum, red drum / 1995
Annual progress report fishery management plans 1993 : alosid, blue crab, oyster, bluefish, weakfish/spotted seatrout, summer flounder, Atlantic croaker/spot, American eel / 1994
Annual Progress Report: Chesapeake Bay Alosid, Blue Crab, and Oyster Fishery Management Plans. Chesapeake Bay Program. 1990
Annual summary of research results for fiscal year ... MESA New York Bight Project. 0
Appendix to Bioaccumulation Testing and Interpretation for the Purpose of Sediment Quality Assessment. Status and Needs. Chemical-Specific Summary Tables. 2000
Application of a Bio-Optical Model to Determine Light Availability (PAR) at Water Depths Required to Reach the Tampa Bay Seagrass Restoration Goal, and at Current Depths of Deep Tampa Bay Seagrass Meadows. 2012
Application of Ecological Theory to Determine Recovery Potential of Disturbed Lotic Ecosystems: Research Needs and Priorities. 1990
Application of Laboratory-Derived Criteria to an Outdoor Stream Ecosystem. 1988
Application of Single- and Multiphasic Michaelis-Menten Kinetics to Predictive Modeling for Aquatic Ecosystems. 1984
Application of the Ecotone Concept in Defining Nutrient Management Requirements for the Upper Potomac River Basin. 1993
Application of watershed ecological risk assessment methods to watershed management / 2008
Applications of IBI Concepts and Metrics to Waters Outside the United States and Canada. 1997
Applied Ecology Seminar. Training Manual. 1972
Approach to Assessment of Management Impacts on Agricultural Soil Carbon. 1992
Appropriate durations and measures for öCöeöröiöoödöaöpöhönöiöa toxicity tests / 1984
Appropriate use of ecosystem health and normative science in ecological policy 1999
Aquatic and terrestrial resources of the Kenai River watershed : a synthesis of publications / 1997
Aquatic Assessment of the Ely Copper Mine Superfund Site, Vershire, Vermont. 2010
Aquatic Biodiversity II [electronic resource] / 2005
Aquatic ecosystem health & management. 1998
Aquatic Ecosystem: Biodiversity, Ecology and Conservation [electronic resource] / 2015
Aquatic information and retrieval (AQUIRE) database system / 1991
Aquatic Invasive Species Rapid Response Exercise, Erie, Pennsylvania, July 29-31, 2008: After Action Report. 2008
Aquatic Reef Habitat Plan. 1994
Aquatic stressors : framework and implementation plan for effects research. 2002
Aquatic Toxicity Information on VAX VMS Backup (AQUIRE for VMS) (1600 BPI). 1993
Aquatic Toxicity Information on VAX VMS Backup (AQUIRE for VMS) (6250 BPI). 1994
Aquatic Toxicity Information on VAX VMS Backup (AQUIRE for VMS) (on Magnetic Tape). 1995
Aquatic Toxicity Information Retrieval Data Base (AQUIRE for Non-VMS) (1600 BPI). 1994
Aquatic Toxicity Information Retrieval Data Base (AQUIRE for Non-VMS) (6250 BPI). 1994
Aquatic Toxicity Information Retrieval Data Base (AQUIRE for Non-VMS) (on Magnetic Tape). 1995
Aquatic Vegetation in Irrigation Canals: A Guide to Integrated Management. 1999
AQUATOX (Release 2) Modeling Environmental Fate and Ecological Effects in Aquatic Ecosystems. Volume 3: User's Manual for the Basins (Version 3.1) Extension to AQUATOX Release 2. 2004
AQUATOX (Release 2.1) Modeling Environmental Fate and Ecological Effects in Aquatic Ecosystems. Volume 3: User's Manual for the BASINS (Version 3.1) Extension to AQUATOX Release 2.1. 2005
Aquatox (release 2.2) : modeling environmental fate and ecological effects in aquatic ecosystems : technical documentation (addendum). 2006
AQUATOX (Release 3) Modeling Environmental Fate and Ecological Effects in Aquatic Ecosystems. Volume 2: Technical Documentation. 2009
AQUATOX / 2000
AQUATOX : a modular fate and effects model for aquatic ecosystems Technical documentation (addendum). 2001
Aquatox for Windows : a modular fate and effects model for aquatic ecosystems. 2000
AQUATOX for windows : a modular fate and effects model for aquatic ecosystems. vol. 3, Model validation reports : addendum. 2001
AQUATOX for Windows: A Modular Fate and Effects Model for Aquatic Ecosystems, Release 2.1. Addendum to Release 2, Technical Documentation. 2005
AQUATOX Technical Note 1: A Calibrated Parameter Set for Simulation of Algae in Shallow Rivers. 2009
ARARs Q's and A's : compliance with federal water quality criteria. 1990
Arctic Alpine Ecosystems and People in a Changing Environment [electronic resource] / 2007
Arctic contamiants research program : research plan / 1992
PREV 1 2 3 4 5 6 7 8 9 10 11 12 ... 40 NEXT

Save, Print or Email Selected Records