Draft Conceptual Model for LOSL Integrated Ecological
Response Model
Limno-Tech, Inc.
501 Avis Drive
Ann Arbor, MI 48108
Ecological Response
Value?Input to Shared Vision Model
RegulationNatural hydrological & climatological variations
H&H Model predicted water level/flow hydrograph
Wetland Habitat Quantity/Quality
Riverine Habitat Quantity/Quality
Aquatic BirdsFish
Other Management Actions and System Stressors
General Model
Components
Phytoplankton/Benthic algae
Zooplankton
Shoreline Habitat Quantity/Quality
Nearshore Habitat Quantity/Quality
Aquatic Macrophytes
Mammals
Open Water/Imp Quantity/Quality
Benthic invertebrates
Aquatic Insects
Reptiles and amphibians
6/28/02 LOSL1
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
• 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
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6/28/02 LOSL1
Wetland Habitat
• Aquatic plant biomass
• Detrital production
• Vegetative succession
• Plant species
composition
• Plant colonization
• Water clarity
• Soil moisture availability
• Autochthonous-
allochthonous function
• Plant species diversity
• Anaerobic stress
• Soil nutrient availability
• Dissolved oxygen
• Water pH
• Water temperature
• Decreased habitat value
• Water nutrients
• Vegetative density
• Area
• Hydrologic function
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6/28/02 LOSL1
Shoreline Habitat
• Plant colonization
• Vegetative succession
• Vegetative density
• Plant species
composition
• Erodability
• Habitat value
• Organic matter
• Anaerobic stress in
plants
• Slope
• Slope aspect
• Soil nutrient availability
• Plant species diversity
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6/28/02 LOSL1
Riverine Habitat
• Riffle exposure
• Sedimentation
• Substrate changes
• Sediment transport
• Bed scour
• Morphology
• Shoaling
• Water clarity
• Large woody debris
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• Habitat formation
and maintenance
• Hydraulic refugia
• Dissolved oxygen
• Water temperature
• Nutrients
• pH
• Organic matter
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6/28/02 LOSL1
Nearshore Habitat
• Sedimentation
• Substrate quality
• Sediment transport
• Water temperature
• Wave scour
• Water clarity
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• Habitat formation
and maintenance
• Dissolved oxygen
• Nutrients
• Organic matter
• Thermal
stratification (e.g.,
thermal bars)
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6/28/02 LOSL1
Open Lake/Impoundment Habitat
• Sedimentation
• Substrate quality
• Sediment transport
• Water temperature
• Wave scour
• Water clarity
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• Habitat formation
and maintenance
• Dissolved oxygen
• Nutrients
• Organic matter
• Water temperature
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6/28/02 LOSL1
Fish
• Biomass
• Growth
• Recruitment
• Egg survival
• Functional organization
• Species composition
• Spawning cues
• Condition
• Bioenergetics
• Redd oxygenation/waste removal
• Abundance
• Habitat suitability
• Food webs
• Access to critical habitats
• Species diversity
• 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
• Other flow dependent species (e.g., darters)
• Specific guilds• Exotic species
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6/28/02 LOSL1
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
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6/28/02 LOSL1
Reptiles/Amphibians
• Dessication stress
• Adult survival
• Hibernation
• Species composition
• Population structure
• Nesting success
• Abundance • Reproduction/juvenile
survival
• Life history
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
• Toads• Frogs• Eastern massasauga
rattlesnake
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6/28/02 LOSL1
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
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6/28/02 LOSL1
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
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6/28/02 LOSL1
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
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6/28/02 LOSL1
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
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6/28/02 LOSL1
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
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6/28/02 LOSL1
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
• Specific community types
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6/28/02 LOSL1
D R A F T L A K E O N TA R IO A Q U AT IC C O N C E P T U A L IZ AT IO NH A B ITAT
W ETLAND NEARSHORE OPEN LAKE NEARSHORE SHORELINE
L a k e O n ta r io - St . L a w ren ce R iv erE co sy stem M o d e l D ev e lo p m en t
Ju ly 2 , 2 0 0 2
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6/28/02 LOSL1
D R A F T S T. L AW R E N C E R IV E R A Q U AT IC C O N C E P T U A L IZ AT IO NH A B ITAT
W ETLAND RIVERINE
L a k e O n ta r io - St . L a w re n c e R iv erE co sy ste m M o d e l D ev e lo p m en t
Ju ly 2 , 2 0 0 2
IM POUNDM ENT
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