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Main Title Ecological impact of integrated chemical and biological aquatic weed control : final report {MICROFICHE} /
Author Shireman, Jerome V. ; Haller, William T. ; Colle, Douglas E. ; Watkins, III, Curtis E. ; DuRant, Douglas F.
Other Authors
Author Title of a Work
Shireman, J. V.
CORP Author Florida Univ., Gainesville. Inst. of Food and Agricultural Sciences.;Environmental Research Lab., Gulf Breeze, FL.
Publisher Center for Aquatic Weeds, Institute of Food and Agricultural Sciences, University of Florida,
Year Published 1983
Report Number EPA-R-805497; EPA-600/3-83-098
Stock Number PB83-264242
Subjects Aquatic weeds--Control--Florida ; Weed control--Environmental aspects--Florida
Additional Subjects Weed control ; Ecology ; Aquatic weeds ; Water pollution ; Hydrology ; Lakes ; Sampling ; Aquatic plants ; Phytoplankton ; Aquatic animals ; Fishes ; Zooplankton ; Sites ; Ponds ; Nutrients ; Tables(Data) ; Biocontrol ; Chemcontrol ; Water quality ; Water pollution sampling ; Environmental effects ; Organic loading
Library Call Number Additional Info Location Last
NTIS  PB83-264242 Some EPA libraries have a fiche copy filed under the call number shown. 07/26/2022
Collation 240 p. : ill. ; 28 cm.
This final report presents results of a four-year study of the ecological impacts of chemical, biological, and integrated methods of aquatic weed control. Biological and water quality changes occurred as abundance of macrophytic vegetation was altered by natural factors or management practices. Macrophyte abundance strongly influenced the structure of communities, and it was concluded that environmental effects of plant management programs are determined more by the amount of vegetation controlled than by management technique. Also, changes in lake hydrology and rates of nutrient loading appear to be more important as determinants of lake water quality than macrophytes. Research needs for evaluation of effects of weed control on aquatic systems are identified.