knipp – chesapeake bay #1

tributary
a stream or river that empties into a larger body of water
estuary
a body of water where fresh and saltwater mix
impervious surface
doesn’t allow any water to pass through
sidewalk, parking lot, street
examples of impervious surfaces
New York, Maryland, Pennsylvania, Delaware, Virginia, West Virginia
states that contain Chesapeake Bay watershed
64,000 square miles
size of Ch. Bay watershed
(1) traps sediment and pollutants
(2) allows storm water to seep into the ground
purpose of retention or sediment pond
SAV
submerged aquatic vegetation
run-off
water that doesn’t sink into the ground
storm water
water captured by storm drains
200 miles
length of Ch. Bay
Patapsco River
Baltimore City is found on this river
Potomac River
Washington, D.C. is found on this river
Susquehanna River
main tributary of Ch.Bay
21 feet
average depth of Ch. Bay
oysters, mussels, clams
shellfish found in the Ch. Bay
bluefish, striped bass, menhaden, perch (white and yellow), Amer.shad
fish found in the Ch. Bay
sook
female crab
jimmy
male crab
spat
baby oyster
striped bass
official name for rockfish
plankton
small, aquatic life that floats with currrents
phytoplankton
algae is an example
zooplankton
eat phytoplankton
nitrogen and phosphorus
main pollutants found in fertilizer
sludge layer
bottom layer of septic system
copepods
plankton found in our pond water
algal blooms
large population explosions of phytoplankton
contour line
line connecting points of equal elevation
filter feeder
how oysters, clams and mussels feed
drain field
where sewage water goes after it leaves a septic tank
moratorium
a ban on hunting or fishing
osprey & bald eagle
birds found at the top of the food chain on the Bay
spawn
breeding of fish
keystone species
a species that is critical to an ecosystem
Connewingo Dam
dam found near the mouth of the Susquehanna River
Susquehanna River
provides 40% of the freshwater of the Bay
city found near the mouth of the Bay
Norfolk
Delmarva peninsula
peninsula that includes the Eastern Shore
James River
southern most river of the Bay
C & D canal
connects the Bay with the Delaware River
Severn River
river where you find Annapolis
3 years
life span of a blue crab
1%
current oyster population is this percent of historic
salinity
the percent of salt in water
ppt (parts per thousand)
units for salinity
0 ppt – 30 ppt
range of salinity in the Bay
DDT
banned pesticide that made bird egg shells weak
bioaccumulation
where chemicals become more concentrated as they move along the food chain
detritus
dead organic matter (i.e. – leaves, sticks, etc.)
omnivore
eats plants and animals
carnivore
eats animals
herbivore
eats plants