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Nichols et al 1986 Paper Review Flashcards | StudBud
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Nichols et al 1986 Paper Review
Nichols et al 1986 Paper Review
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1
___ missionaries settled San Francisco, using the bays and marshes to harvest food and learn from the local aboriginals.
Italian
English
French
Spanish
2
Wastes from municipal and industrial outfalls and urban and agricultural lands have flowed into the estuary since _____.
the Great Depression
World War I
the Gold Brush
the Gold Rush
3
What is one of the best documented changes within the San Francisco Bay after the Gold Rush?
increase in trace metals
decrease in fish abundances
decrease in trace metals
increase in fish abundances
4
The ____ may act as a biological control on eutrophication.
migratory fish
pelagic food web
benthos
neuston
5
The San Francisco Bay is located at the mouth of which river system?
Rio Grande
Hudson
Mississippi
Sacramento-San Joaquin
6
Changes in circulation that accompany freshwater intrustion affects concentrations of ______.
PCBs
chlorophyll
nitrogen
dissolved constituents
7
Which wasn't created by state and federal agencies for better flood protection and more reliable water supplies?
dams
reservoirs
canals
estuaries
8
Which has not resulted due to the shifts within the San Francisco Bay fisheries?
increased biodiversity
elimination of essential habitats
overfishing
changes in water quality
9
Elevated tolerances of trace metals have been observed in which two species?
copepod(Acartia clausi)
clam (Macoma balthic)
Dungeness crab (Metacarcinus magister)
striped bass (Morone saxatilis)
10
The flow into San Francisco Bay is less than ___ percent of its historic levels.
40
60
50
30
11
Improvements in ____ beginning in the 1960s have reduced some of the adverse effects of waste.
parks and ecotourism
sewage treatment facilites
public education facilities
transportation
12
What two migratory species are heavily impacted by the disruption of natural water flow?
striped bass
sturgeon
salmon
alewives
13
Which is not a result of hydraulic mining?
death of aquatic birds
obstructed navigation through the drainage basin
silted or blocked salmon spawning streams
choked creeks and streams
14
Both the processes of ______ and ________ have affected the biological community of the San Francisco Bay estuary.
hydraulic mining
diverting water
changing flow patterns
waste removal
15
Reducing freshwater inflow from SSJ river system reduces an estuary’s ability to dilute, transform, or flush ____.
contaminants
nutrients
phytoplankton
organisms
16
__ using the San Luis Drain reservoir had high incidences of physical deformaties, reproductive failure, and mortaility.
mammals
aquatic birds
migratory fish
shellfish
17
Stimulation of ___ through nutrient enrichment is a potential result of waste dischargre.
plant growth
biodiversity increase
oxygen increase
phytoplankton decrease
18
Significant changes in bay waters have occured because of the urbanization and industrialization of the bay’s ____.
ports
shore
trees
estuary
19
I honestly read this paper
I did :)
I did not :(
20
The 1977 drought revelaed the sensitivty to ____ could alter the pelagic food web and fisheries yield.
diking
high river flow
low river flow
increased freshwater
21
The importation of what organism has led to the introduction of invasive invertebrates within the bay?
stone crab
eastern oyster
geoduck
delaware bay oyster
22
Which did not contribute to the changes of the California landcape within the late 1800s?
gold mining
offshore energy
land development
farming
23
All of these were created through diking tidal marshes except…
evaporation ponds for salt
industrial land
recreational parks
farmland