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Effects of a Large-Scale Habitat Enhancement Project on Habitat Quality for Age-0 Largemouth Bass at Lake
 

Summary: 1
Effects of a Large-Scale Habitat Enhancement Project on
Habitat Quality for Age-0 Largemouth Bass at Lake
Kissimmee, Florida
MICHEAL S. ALLEN AND KIMBERLY I. TUGEND
Department of Fisheries and Aquatic Sciences, University of Florida,
7922 NW 71st Street, Gainesville, Florida 32653, USA
Abstract.--A habitat enhancement project was conducted from 1995­1996 to remove
macrophytes and organic matter from about half of the 80-km shoreline of Lake Kissimmee,
Florida. Habitat quality was evaluated in enhanced and control (i.e., debilitated areas left
intact after enhancement) areas and largemouth bass density and growth in enhanced sites
from 1998­2000. Control sites were characterized by low dissolved oxygen throughout the
day (mean < 2 mg/L), high aquatic macrophyte biomass (> 50 kg/m2
), and the percent of
coverage of aquatic macrophytes (PAC) from 100 percent. Qualitative fish sampling in control
sites yielded no sportfishes. Enhanced sites generally had mean DO greater than 4 mg/L,
relatively low aquatic macrophyte biomass (mean < 5 kg/m2
), and intermediate PAC (5­
90%). Mean density of age-0 largemouth bass in enhanced sites averaged about 100 fish/ha
from May­August of both years and was positively related to PAC in block nets in 1998.

  

Source: Allen, Micheal S. - Department of Fisheries and Aquatic Sciences, University of Florida

 

Collections: Environmental Sciences and Ecology