Flashcards in Ecology Deck (485)
example of keystone species
sea otter- without them sea urchins take over-- eat kelp-- nursing grounds collapse-- entire sub tidal community shifts
DMS- dimethyl sulphide- produced when plankton feed on algae-- attract bird/fish-- they poop--nutrients increase algae growth
the major advantage to breeding earlier in life rather than later is
is shortens generation time
experimental removal of fish eating birds from a salmon river in eastern Canada led to which important ecological observation?
number of adult salmon returning to the river did not change