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Lakes

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by

Jonah Breiter

on 8 January 2014

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Transcript of Lakes

Lakes

By: Jonah Breiter
and Hannah Proehl

Lakes- Defined
Enclosed basin
- filled/partially filled with water
Producer - Bulrushes
Habitat: Marshes, shorelines, shallow waters


Population:

Appear statewide in most lakes

("Bulrushes.")

Reproductive Behavior: The seed heads break up and are blown to new locations by the wind
("Bulrush.")

Primary Consumer-Zooplankton
Secondary Consumer-Yellow Perch
Decomposer - Sandy Laccaria
Energy Pyramid
http://iceominiums.com
Habitat- Found in lakes, ponds, and slow-moving rivers throughout Minnesota.
Population- Minnesota is full of perch, but the numbers are decreasing.
Reproductive Behavior- They spawn in early-may in the Southern lakes and mid-May in the northern lakes. The Eggs hatch after 2-3 weeks.
Nutrition- Perch are secondary consumers and heterotrophs, they eat minnows and the young of other fish, they also eat insects like mayflies.
Human Usefulness- Yellow Perch provide as a source of food.
Symbiotic Relationship- An example of parasitism is when an Anchor Worm burrows into a Yellow Perch, feeds, and leaves the fish skin red and inflamed (Minnesota Sea Grant).
Sensitivity to Environment- There are many Yellow Perch in Minnesota but the numbers are dropping because of overfishing (Minnesota DNR).
http://en.wikipedia.org
http://hdw.eweb4.com/out/596175.html
Habitat- Found in freshwater, ponds, streams and they drift on top of the water.
Population- There are numerous Zooplankton found in a healthy lake ecosystem.
Reproductive Behavior- They reproduce rapidly.
Nutrition- They are primary consumers, and are heterotrophs. They eat Phytoplankton and algae.
Sensitivity to Environment- When the Ph levels change it affects the Zooplankton's prey which affects their survival rate (MarineBio).
Human Usefulness- Zooplankton form the lower part of the food chain, insuring the organisms higher in the food chain are healthy which also includes humans (Wilkinson).
Symbiotic Relationship- An example of mutualism is Zooplankton eating all the algae which keeps the rest of the organisms healthy and the algae from getting out of control.
http://www.outdooralabama.com/fishing/freshwater/where/ponds/p/ap/guide/submersed/nitellaspp.cfm
http://geology.com/lakes-rivers-water/minnesota.shtml
Stonewort
Biotic
fish
turtles
insects
frogs
plants
Abiotic
("Lakes.")
Water
rocks
sand
soil
Food Web
http://techalive.mtu.edu/meec/module08/FoodWeb.htm
http://hungrynaturalist.blogspot.com/2011/10/vol-1-no-33-autumn-mushrooms.html
Nutritional Requirements: Decomposes the remains of other energy levels to gain energy

Sensitivity to Environmental Insults: Pollution to sandy soil and deposits of nitrogen

Human Usefulness: Good for taking pictures and is edible

Symbiotic Relationship: Commensalism- The roots cross with neighboring plants causing no harm but producing more sandy Laccaria


Habitat: The shores of rivers and sandy lakes. Also post-glaciel sand plains


Population: Considered to be a special concerns species in Minnesota because they are so scarce


Reproductive Behavior: Via wind-borne spores and crossing roots with neighboring plants


Food Web Position: A heterotroph and decomposer


http://www.flickr.com/photos/qspiddy/4028342926/
http://www.flickr.com/photos/qspiddy/4028342926/
("Sandy Laccaria.")
("Sandy Laccaria.")
Food Web Position:

Autotroph

Nutritional Requirements:

Sunlight

Sensitivity to Enviromental Insults:
Herbicides


Human Usefulness:

Is the breeding ground and cover spot for popular
fish

Symbiotic Relationship:

Commensalism- Largemouth bass use bulrush for nesting cover which causes no harm
http://commons.wikimedia.org/wiki/File:Bulrush_(Typha_latifolia)_-_Toronto,_Ontario,_Canada_-_July_2010.
("How are lakes defined in Minnesota?")
("Bulrushes.")
("Bulrushes.")
("Bulrushes.")
("Bulrushes.")
All info from-
All info from-
http://hodnettbiomeproject.wikispaces.com/Lakes
All info from- (Minnesota DNR)
All info from- (MarineBio)
("Bullrushes.")
Full transcript