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Flashcards in Kelp Forest Deck (7)
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1

What are nereocystis?

Bull kelp
Have only 1 pneumatocysts
Can withstand great wave strength

2

What is macrocystis?

Giant kelp:

Major canopy former
Grows from meristem
Perennial

3

What are key grazers of kelp forests?

Urchins*
Abalone
Regular
Molluscs- mitra, calliostoma, regular snails

4

What are key predators in the kelp forest

Sea otters
Some mollusks (kelletia)
Rockfish

5

Threats to kelp forests:

Unsustainable harvesting (harvesting from the top)
Overfishing rockfish- near shore, live fish fisheries, long lining
Power plants- emit warm water
Construction
Sedimentation/scour

6

Vertical zon action in kelp forest:

Bottom: turf
Benthic zone, prostrate kelps, invertebrates
Middle: understory
Largest zone, most species
Top: canopy
Dominated by giant kelp

7

What are kelp forests dependent on?

Hard substrate
High nutrients
Constant wave exposure (medium)