salt marshes and hydrothermal/cold seeps Flashcards

1
Q

what is primary productivity

A

plants changing light to energy

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2
Q

swamps/salt marshes have high primary production

A

600/2000 gC/m^2/y

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3
Q

why are high grasses good for animals

A

hide in them

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4
Q

what primary producers are found in salt marshes

A

macro algae diatoms phytoplankton

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5
Q

name 5 animals found in salt marshes

A

oyster catchers
natterjack toad
sea bass
shellfish/crabs
brent goose

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6
Q

name 5 plants found in salt marshes

A

sea lavendar
eel grass
blue green algae
reeds and rushes
oak/alder trees

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7
Q

how does the ecosystem work near a cold seep

A

microbes including bacteria form thick mat of nutrition as they convert methane into energy
mussels are nourished chemosynthesis bacteria
sea cucumbers eat of the bacterial mats

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8
Q

organisms near hydrothermal vents work

A

clams depend on symbiotic bacteria
palm worms survive in temps 55 plus close proximity to vents

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9
Q

what is a hydrothermal vent

A

Hydrothermal vents are fissures on the seabed from which geothermally heated water discharges

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10
Q

what is a cold seep

A

A cold seep is an area of the ocean floor where hydrogen sulfide, methane and other hydrocarbon-rich fluid seepage

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