seagrass Flashcards
1
Q
what is it
A
-marine angiosperms
-grow submerged in marine estuarine
2
Q
physical controls
A
-light
-water depth (light and hydrostatic pressure)
-tidal-water movement (velocity, circulation, flow, duration)
-salinity (~20 psu)
-temperature (none in waters that freeze and none in waters that reach above 28 degrees
3
Q
biological controls
A
-vegetative propagation and sexual reproduction
-plant competition and invasion
4
Q
adaptation
A
-salinity
-water drag
-low light
-changes in CO2
-underwater pollination
-use C4 photosynthesis methods
5
Q
significance
A
-fisheries
-climate regulation
-biodiversity
-ocean acidification buffer
-trap sediment
-water filtration
-disease control
-tourism
-coastal protection
