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knipp - ch. bay #4
ch. bay facts (from map) - #4
15
Environmental Studies
7th Grade
09/17/2012

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Cards

Term
What percent of the freshwater that enters the Bay comes from the Susquehanna River?
Definition
44%
Term
What is the importance of the Ch. Bay to migratory birds?
Definition
resting spot
Term
How many people move into the Ch. Bay watershed each year?
Definition
100,000
Term
Another name for a striped bass.
Definition
rockfish
Term
The invasive rodent that eats all of a plant.
Definition
nutria
Term
The fish that is used for fishmeal and is the prey of larger fish, birds and mammals.
Definition
menhaden
Term
T/F Saltwater is heavier than freshwater.
Definition
true
Term
T/F Sea nettles prefer salt water.
Definition
true
Term
How long did it used to take the oysters to filter all of the Bay's water?
Definition
3-4 days
Term
What are four filtering systems for the Bay?
Definition
1) oysters
2) submerged aquatic vegetation (SAV)
3) marshes
4) streamside (riparian) forests
Term
What are the two elements that make up polluting nutrients that pollute the Bay?
Definition
phosphorus and nitrogen
Term
An area of the Bay with no oxygen.
Definition
dead zone
Term
What are four things that contribute to excess nutrients in the Bay?
Definition
1) septic systems
2) sewage treatment plants
3) chemicals from roads
4) dissolved manure
Term
The length of the Bay in miles.
Definition
200 miles
Term
How many people live in the Ch. Bay watershed?
Definition
16 million
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