vocab 1
watershed
a land area that slopes downward and drains water into one primary waterway or reservoir
a place where a river runs into in ocean and fresh and salt water mix
estuary
the amount of salt in a body of water
During the summer months, where dissolved _______ is the ________, water ________ is the ________.
During the summer months, where dissolved _oxygen_ is the _lowest_, water _temperature_ is the _highest_.
is more dissolved oxygen found in saltwater or freshwater
fresh water
velocity
the time it takes for a given particle to travel to a given distance
the concentration of irons (or salts) dissolved in water
sainity
turbidity
the cloudiness in the water
Many other aquatic animals, other than fish, have ______.
Many other aquatic animals, other than fish, have _gills_.
what is the term for the area of a watershed where ocean water meets incoming freshwater
A. a river
B. an estuary
C. a delta
B. an estuary
discharge
the rate that which a volume of water flows past a point over some unit of time
discharge increses
regarding discharge, as water velocity increases
estuary
formed where fresh water from a river mixes with ocean water
An estuary is a segment of a river that experiences _____ effects.
An estuary is a segment of a river that experiences _tidal_ effects.
What is salinity?
A. The amount of salt in a body of water
B. The amount of sugar in a body of water
C. The amount of sediment in a body of water
A. The amount of salt in a body of water
turbidity
a measure of the cloudiness of water
has a higher turbidity
regarding turbidity, water with a higher velocity
fingerlings
when salmon is first called when first hatched
The commercial salmon industry is also very important to local ______.
The commercial salmon industry is also very important to local _economics_.
Does water hold more dissolved oxygen at high or low temperatures?
A. low temperature
B. high temperature
A. low temperature
sedimentation
the process of depositing sediment
will have less sedimentation (or sediment on the bottom surface)
regarding sedimentation, water with a higher velocity
brackish water
a mix of saltwater and freshwater
At precisely the time when they need the ______ dissolved oxygen, the water contains the ______.
At precisely the time when they need the _most_ dissolved oxygen, the water contains the _least_.
Do reports from Alaska alone indicate that over 700 million pounds of salmon were harvested commercially in 2019?
A. Yes
B. No
B. No