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BENTHIC MACROINVERTEBRATE AND PERIPHYTON MONITORING IN THE SUWANNEE RIVER BASIN IN FLORIDA 1: OVERVIEW AND BIOGEOGRAPH

BENTHIC MACROINVERTEBRATE AND PERIPHYTON MONITORING IN THE SUWANNEE RIVER BASIN IN FLORIDA 1: OVERVIEW AND BIOGEOGRAPHY. Periphytic Algae. Micro- to macroscopic algae growing on hard surfaces Major source of autochthonous (“in-stream”) primary production

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BENTHIC MACROINVERTEBRATE AND PERIPHYTON MONITORING IN THE SUWANNEE RIVER BASIN IN FLORIDA 1: OVERVIEW AND BIOGEOGRAPH

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  1. BENTHIC MACROINVERTEBRATE AND PERIPHYTON MONITORING IN THE SUWANNEE RIVER BASIN IN FLORIDA 1: OVERVIEW AND BIOGEOGRAPHY

  2. Periphytic Algae • Micro- to macroscopic algae growing on hard surfaces • Major source of autochthonous (“in-stream”) primary production • Respond to natural and human-created changes in water quality • Integrate environmental effects over time

  3. Benthic Macroinvertebrates • Invertebrates retained by 0.5 mm mesh sieve • Ecologically important group of animals in all aquatic ecosystems in the drainage • Also respond to natural and human-created changes in water quality and habitat • Integrate environmental effects over time

  4. Suwannee Basin Florida animal biodiversity

  5. Suwannee River DrainageBenthic Community Sampling in Florida • Fla. Fish & Wildl. Conservation Commission(resource assessments) • Fla. Dept. of Environmental Protection(monitoring, impact assessment, stream bioassessment program) • Suwannee River WMD(SWIM monitoring, basin assessments) • USGS Biol. Resources Division(sturgeon & seatrout food resources) • USEPA(NPDES impact studies) • Private consultants(point source impact studies, NPDES monitoring) • Citizen groups

  6. Suwannee River Water Management District Benthic Monitoring Program • began in 1989; currently continuing • quarterly sampling • multiple gear types: • Hester-Dendy, Periph. & dip net (streams) • Petite ponar (streams and lakes) • mainly streams (some lake studies) • same organization doing sampling • same taxonomists

  7. Hester-Dendy sampler D-frame dip net Periphytometer BENTHIC SAMPLING GEAR Used in SRWMD Program Petite ponar grab

  8. Suwannee River Water Management District Benthic Monitoring Program • Sampling design (sites and methods): • SRWMD • FDEP • FWCC • USGS • Field sampling: Environmental Services and Permitting, Alachua, FL • Taxonomy: Dr. John Epler (invertebrates) Mr. Michael Hein (algae)

  9. SUW010 SUW100 SUW130 SUW150 SRWMD • Water quality sites • Wq / biology sites • Inactive biology sites SUW240

  10. Suwannee River taxa composition(1990-1999 Periphyton data) Cyanobacteria 18 9 10 10 8 Chlorophyta 46 25 16 26 14 Bacillariophyceae 78 109 117 108 80 Other taxa 3 1 0 0 0 TOTAL 145 144 143 144 102 SUW010 SUW100 SUW130 SUW150 SUW240

  11. Suwannee River taxa composition(1989-2000 Hest.-Dendy data) SUW010 SUW100 SUW130 SUW150 SUW240 Mollusca 6 16 12 18 23 Crustacea 5 10 6 7 8 Oligochaeta 20 28 19 18 25 Ephemeroptera 17 39 29 28 26 Odonata 12 10 7 13 11 Chironomidae 99 96 81 91 94 Trichoptera 32 27 24 21 28 Plecoptera 2 10 12 9 9 Coleoptera 28 30 18 19 19 Other taxa 42 38 28 32 53 TOTAL 263 304 236 256 296

  12. Suwannee River taxa composition(1989-2000 Hest.-Dendy data) SUW010 SUW100 SUW130 SUW150 SUW240 Mollusca 6 16 12 18 23 Crustacea 5 10 6 7 8 Oligochaeta 20 28 19 18 25 Ephemeroptera 17 39 29 28 26 Odonata 12 10 7 13 11 Chironomidae 99 96 81 91 94 Trichoptera 32 27 24 21 28 Plecoptera 2 10 12 9 9 Coleoptera 28 30 18 19 19 Other taxa 42 38 28 32 53 TOTAL 263 304 236 256 296

  13. Rheopelopia sp (??) Corynoneura (3 spp?) Cricotopus sp Parakiefferiella sp Zalutschia sp Orthocladiinae genus ‘E’ Cladotanytarsus sp Dicrotendipes sp Einfeldia sp Fissimentum sp Glyptotendipes sp Paratanytarsus sp Polypedilum sp Stempellina sp Stictochironomus sp Tanytarsus spp (several) Species new to science:(Chironomidae)

  14. Anorthoneis dulcis – the first freshwater representative in a marine genus Species new to science:(Bacillariophyceae)

  15. Range extensions: Ephemeroptera (mayflies) • Siphloplecton sp. • Ephoron sp. Plecoptera (stoneflies) • Helopicus bogaloosa Chironomidae (non-biting midges) • Polypedilum halterale

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