Transcript Document
Draft Conceptual Model for LOSL Integrated Ecological Response Model Limno-Tech, Inc. 501 Avis Drive Ann Arbor, MI 48108 Natural hydrological & climatological variations Regulation Other Management Actions and System Stressors Shoreline Habitat Quantity/Quality H&H Model predicted water level/flow hydrograph Wetland Habitat Quantity/Quality Nearshore Habitat Quantity/Quality Fish Riverine Habitat Quantity/Quality Open Water/Imp Quantity/Quality Aquatic Macrophytes Phytoplankton/B enthic algae Zooplankton General Model Components Aquatic Insects Aquatic Birds Ecological Response Benthic invertebrates Reptiles and amphibians Mammals Value? Input to Shared Vision Model Potential Quantitative Ecological Endpoints • Abundance age-0 northern pike • Abundance northern pike of reproductive age • Acres wetland plant community type • Acres geomorphic wetland type • Wetland habitat suitability indicator • Number breeding pairs Canada goose • Canada goose brood survival rate • Number Canada goose broods 6/28/02 • • • • • • • • • • LOSL1 Abundance adult muskrat Number muskrat dens % cattails Aquatic insect biomass:productivity ratio Zooplankton diversity Zooplankton biomass Benthic algae biomass Acres submerged aquatic macrophyte indicator species (e.g., wild rice) Benthic invertebrate biomass Phytoplankton biomass Back to Main Slide Wetland Habitat • Aquatic plant biomass • Anaerobic stress • Detrital production • Soil nutrient availability • Vegetative succession • Dissolved oxygen • Plant species composition • Water pH • Plant colonization • Water temperature • Water clarity • Decreased habitat value • Soil moisture availability • Water nutrients • Autochthonous- • Vegetative density allochthonous function • Area • Plant species diversity • Hydrologic function Back to Main Slide 6/28/02 LOSL1 Go to Graphics Shoreline Habitat • Plant colonization • Anaerobic stress in plants • Vegetative succession • Slope • Vegetative density • Slope aspect • Plant species composition • Soil nutrient availability • Erodability • Plant species diversity • Habitat value • Organic matter Back to Main Slide 6/28/02 LOSL1 Go to Graphics Riverine Habitat • Riffle exposure • Habitat formation and • Sedimentation maintenance • Substrate changes • Hydraulic refugia • Sediment transport • Dissolved oxygen • Bed scour • Water temperature • Morphology • Nutrients • Shoaling • pH • Water clarity • Organic matter • Large woody debris Back to Main Slide 6/28/02 LOSL1 Go to Graphics Nearshore Habitat • Sedimentation • Habitat formation and maintenance • Substrate quality • Sediment transport • Water temperature • Wave scour • Water clarity • Dissolved oxygen • Nutrients • Organic matter • Thermal stratification (e.g., thermal bars) Back to Main Slide 6/28/02 LOSL1 Go to Graphics Open Lake/Impoundment Habitat • Sedimentation • Habitat formation and maintenance • Substrate quality • Sediment transport • Water temperature • Wave scour • Water clarity • Dissolved oxygen • Nutrients • Organic matter • Water temperature Back to Main Slide 6/28/02 LOSL1 Go to Graphics Fish • Biomass • Bioenergetics • Growth • Redd oxygenation/waste removal • Recruitment • Egg survival • Functional organization • Species composition • Abundance • Habitat suitability • Food webs • Access to critical habitats • Spawning cues • Species diversity • Condition • Behavioral mechanisms Species list 6/28/02 LOSL1 Fish Species of Interest • • • • • • Northern pike Smallmouth bass Whitefish Lake trout Anadromous species Other wetland dependent species 6/28/02 • Other flow dependent species (e.g., darters) • Specific guilds • Exotic species LOSL1 Back to Main Slide Mammals • Mobility (availability of water) • Stranded dens • Flooded dens • Access to food source Species list 6/28/02 LOSL1 Mammal Species of Interest • • • • • Muskrat Mink Beaver Moose River otter 6/28/02 LOSL1 Back to Main Slide Reptiles/Amphibians • Dessication stress • Adult survival • Abundance • Reproduction/juvenile survival • Hibernation • Life history • Species composition • Population structure • Nesting success Species list 6/28/02 LOSL1 Reptiles and Amphibians of Interest • • • • • • Wetland turtles Riverine turtles Softshell turtles Snapping turtles Mud or musk turtles Map turtles 6/28/02 • Toads • Frogs • Eastern massasauga rattlesnake LOSL1 Back to Main Slide Aquatic Birds • Invertebrate food availability during migration • Plant food availability during migration • Brood survival • Nesting success – Flooding – Predator invasion Species list 6/28/02 LOSL1 Aquatic Bird Species of Interest • • • • Diving ducks Heron Plover Canada goose 6/28/02 LOSL1 Back to Main Slide Aquatic Insects • • • • Species composition Productivity Biomass Dessication (dewatered habitat – e.g., riffles) • Species diversity • Growth • Functional organization Species list 6/28/02 LOSL1 Aquatic Insect Species of Interest • • • • • • Dragonfly Damselfly Caddisfly Mayfly Beetles Specific functional feeding groups 6/28/02 LOSL1 Back to Main Slide Benthic Invertebrates • • • • • • Productivity Biomass Reproduction Species composition Density Abundance Species list 6/28/02 LOSL1 Benthic Invertebrates of Interest • • • • • Mussels Snails Crayfish Other small crustaceans Exotic species 6/28/02 LOSL1 Back to Main Slide Zooplankton • • • • • Productivity Biomass Species composition Species diversity Size distribution Species list 6/28/02 LOSL1 Zooplankton of Interest • • • • • • Copepods Cladocerans Rotifers Herbivors Carnivors Exotic species 6/28/02 LOSL1 Back to Main Slide Phytoplankton and Benthic Algae • • • • • • Productivity Algal biomass Undesirable species Species composition Species diversity Planktonic/benthic species composition Species list 6/28/02 LOSL1 Phytoplankton and Benthic Algae of Interest • Diatoms (attached and planktonic) • Filamentous algae (e.g., cladophora) • Green algae • Blue-green algae • Chara species • Nitellas species 6/28/02 LOSL1 Back to Main Slide Aquatic Macrophytes • • • • • • Productivity Biomass Undesirable species Species composition Species diversity Planktonic/benthic species composition Species list 6/28/02 LOSL1 Aquatic Macrophytes of Interest • • • • • • • • Wild celery Wild rice Sedges Cattails Potamogetons Key wetland species Rushes Exotic species 6/28/02 • Specific community types LOSL1 Back to Main Slide WETLAND NEARSHORE OPEN LAKE NEARSHORE SHORELINE DRAFT LAKE ONTARIO AQUATIC HABITAT CONCEPTUALIZATION Lake Ontario - St. Lawrence River Ecosystem Model Development July 2, 2002 6/28/02 LOSL1 Back to Main Slide IMPOUNDMENT WETLAND RIVERINE DRAFT ST. LAWRENCE RIVER AQUATIC HABITAT CONCEPTUALIZATION Lake Ontario - St. Lawrence River Ecosystem Model Development July 2, 2002 6/28/02 LOSL1 Back to Main Slide