Search Results for the EPA National Library Catalog

Items Found: 636

Showing: Items 201 - 250

Your Search: (SUBJECT=Aquatic plants.)

 
 
 

PREV 1 2 3 4 5 6 7 8 9 10 11 12 13 NEXT
Select Item Title Year Published
Diagnostic Feasibility Study of Lake Waubee, Kosciusko Co., Indiana. 1982
Die Susswasser-flora Mitteleuropas 1930
Die Susswasser-Flora Mitteleuropas : heft 10: Bacillariophyta (Diatomeae) / Friedrich Hustedt ; herausgegeben von Dr A. Pascher. 1930
Distribution and abundance of submerged aquatic vegetation in the lower Chesapeake Bay, Virginia / 1979
Distribution and abundance of submerged aquatic vegetation in the lower Chesapeake Bay, Virginia / 1982
Distribution and abundance of submersed aquatic vegetation in the tidal Potomac River and estuary, Maryland and Virginia, May 1978 to November 1981 / 1985
Distribution and abundance of waterfowl and submerged aquatic vegetation in Chesapeake Bay 1982
Distribution and abundance of waterfowl and submerged aquatic vegetation in Chesapeake Bay / 1983
Distribution and Control of Macrophyte Biomass in Lake Wingra. 1971
Distribution of phytoplankton in Maryland lakes / 1977
Distribution of phytoplankton in South Carolina lakes / 1977
Distribution of Submerged Aquatic Vegetation in the Chesapeake Bay and Tributaries and Chincoteague Bay - 1990. 1991
Distribution of submerged aquatic vegetation in the Chesapeake Bay and tributaries and Chincoteague Bay - 1994 / 1995
Distribution of submerged aquatic vegetation in the Chesapeake Bay and tributaries and Chincoteague Bay - 1995 1996
Distribution of submerged aquatic vegetation in the Chesapeake Bay and tributaries and Chincoteague Bay - 1998 / 1999
Distribution of submerged aquatic vegetation in the Chesapeake Bay and tributaries and Chincoteague Bay 1990 / 1991
Distribution of submerged aquatic vegetation in the Chesapeake Bay and tributaries and Chincoteague Bay : 1989 / 1990
Distribution of submerged aquatic vegetation in the Chesapeake Bay and tributaries and Chincoteague Bay, 1986 / 1986
Distribution of Submerged Aquatic Vegetation in the Chesapeake Bay and Tributaries and Chincoteague Bay, 1986. 1986
Distribution of submerged aquatic vegetation in the Chesapeake Bay and tributaries and Chincoteague Bay, 1987 / 1987
Distribution of Submerged Aquatic Vegetation in the Chesapeake Bay and Tributaries and Chincoteague Bay, 1989. 1990
Distribution of Submerged Aquatic Vegetation in the Chesapeake Bay and Tributaries and Chincoteague Bay, 1989. Draft Report. 1990
Distribution of submerged aquatic vegetation in the Chesapeake Bay and tributaries and Chincoteague Bay, 1991 / 1992
Distribution of Submerged Aquatic Vegetation in the Chesapeake Bay and Tributaries and Chincoteague Bay, 1991. 1992
Distribution of submerged aquatic vegetation in the Chesapeake Bay and tributaries and Chincoteague Bay, 1992 / 1993
Distribution of Submerged Aquatic Vegetation in the Chesapeake Bay and Tributaries and Chincoteague Bay, 1992. 1993
Distribution of Submerged Aquatic Vegetation in the Chesapeake Bay and Tributaries and Chincoteague Bay, 1993. 1994
Distribution of Submerged Aquatic Vegetation in the Chesapeake Bay and Tributaries and Chincoteague Bay, 1994. 1995
Distribution of Submerged Aquatic Vegetation in the Chesapeake Bay and Tributaries and Chincoteague Bay-1987. 1989
Distribution of submerged aquatic vegetation in the Chesapeake Bay and tributaries and the coastal bays - 1996 1997
Distribution of submerged aquatic vegetation in the Chesapeake Bay and tributaries and the coastal bays - 1997 / 1998
Distribution of submerged aquatic vegetation in the Chesapeake Bay and tributaries, 1984 / 1984
Distribution of Submerged Aquatic Vegetation in the Chesapeake Bay and Tributaries, 1984. 1987
Distribution of submerged aquatic vegetation in the Chesapeake Bay and tributaries, 1985 / 1985
Distribution of submerged aquatic vegetation in the Chesapeake Bay and tributaries, 1985 / 1987
Distribution of Submerged Aquatic Vegetation in the Chesapeake Bay and Tributaries, 1985. 1987
Distribution of submerged vascular plants, Chesapeake Bay, Maryland / 1983
Distribution of Submersed Aquatic Vegetation in the Fresh and Oligohaline Tidal Potomac River, 2005. 2008
Distribution of Submersed Vascular Plants, Chesapeake Bay, Maryland. 1980
Ecological assessment of Kirk Pond 1994
Ecological assessment of macrophyton collection, use, and meaning of data : a symposium sponsored by ASTM Committee D-19 on Water, Fort Lauderdale, FL, 15-16 Jan., 1983 / 1984
Ecological Characterization of Coastal Maine (North and East of Cape Elizabeth). Volume 4: Appendices. 1980
Ecological Effects of Coal Strip-Mining: A Bibliography with Abstracts. 1977
Ecological Evaluation of Stream Eutrophication. 1973
Ecological impact of integrated chemical and biological aquatic weed control : final report {MICROFICHE} / 1983
Ecology of the Second Trophic Level of Lakes Superior, Michigan, and Huron. 1970
Economic Implications of Biological Control of Arundo donax in the Texas Rio Grande Basin. 2009
Economic Valuation of Aquatic Ecosystems. 1986
Ecosystem process modeling of submerged aquatic vegetation in the lower Chesapeake Bay / 1994
Ecosystematic Study of the South River, Virginia. 1972
PREV 1 2 3 4 5 6 7 8 9 10 11 12 13 NEXT

Save, Print or Email Selected Records