2.4 Living Ocean Ecosystems

Question 1

Land transitions to oceans are

Answer 1

NOT leading to unique ecosystems

low-lying vs highlying transitions

Question 2

Land transitions of

• Maritimes
• west coast
• Newfoundland
• artic

Answer 2

• M and A low-lying (continental shelf)
• N fijords
• WC mountants meet sea

Question 3

Estuaries

Answer 3

The transition from salt ocean water to fresh river water
-transisiotn aka brackish water
-includes deltas
-high bio diversity
ex//st laurence, Makenzie delta, marmishi, fraser delta, skeena

Question 4

coastal wetlands

Answer 4

includes bogs, fens, swamps and marshes
-small number of these in cnd
flood control and key for anadromous fish

Question 5

sea grass beds

Answer 5

submerged coastal wetlands

• vascular plants in the ground (helps protect area)
• vital LC of living organism here
• includes kelp forests (functional species, much food and shelter for ecosystem)

Question 6

beaches & sandunes

Answer 6

common in maritimes
- not ecologicly diverse
=disrupted due to beach tourism and homes

Question 7

Artic

Answer 7

Mostly Ice not land land
- vurnable to CC, melts lets in more h2o, more light = more photosynthesis = change in food web
-not a lot of photosynthesis, low producers
little resilience, maintains equilibrium
much fana is migratory