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Summary: Spatio-TemporalVariationin CrayfishProductionin
DisturbedMarlPrairieMarshesof the FloridaEverglades
CharlesA.Acosta
Departmentof BiologicalSciences
Northern Kentucky University
HighlandHeights,Kentucky41099 USA
E-mail:acostac@nku.edu
ano
Sue.A. Perry"
SouthFloridaNaturalResourcesCenter
EvergladesNationalPark,40001StateRd.9336
Homestead,Florida33034 USA
E-mail: sue_perry@nps.gov
ABSTRACT
We usedtheburrowingcrayfishProcambarusalleni asa modelorganismto
comparespatialandtemporalpatternsof density,standingcrop biomass,andsize-
structuredproductivity in theseasonalwetlandsof theFlorida Evergladeswhere
environmentalstresshasbeenexacerbatedby hydropatterndisturbance.Crayfishdensity
wasnot linked to fluctuationsin watertemperatureor dissolvedoxygenandwasonly
artifactuallyassociatedwith waterdepth.Density andbiomasswithin sitesweresimilar
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