SHALLOW MARINE WATERS: KELP FOREST & CORAL GARDENS Flashcards

1
Q

Grows in temperate to subpolar regions where there is a solid bottom and no overgrazing.

A

Kelp

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2
Q

Confined to low latitudes, between 30°N & S

A

Coral Reefs

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3
Q

Categories of reefs (3)

A
  1. Fringing Reefs
  2. Barrier Reefs
  3. Coral Atolls
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4
Q

Hug the shore of a continent/island

A

Fringing Reef

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5
Q

Stands between the open sea and a lagoon.

A

Barrier Reefs

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6
Q

Have coral islets (that emerged from a submerged oceanic island and a ring lagoon)

A

Coral Atolls

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7
Q

Emerged from a submerged oceanic island and a ring lagoon.

A

Coral Islets

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8
Q

Habitats of corals (3)

A
  1. Reef Crest
  2. Buttress Zone
  3. Lagoon
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9
Q

Where corals grow in surge zone created by waves

A

Reef Crest

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10
Q

Corals formations alternate with sand-bottomed canyons

A

Buttress Zone

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11
Q

Contains numerous small coral reefs called patch reefs and sea grass beds.

A

Lagoon

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12
Q

Lagoon contains numerous small coral reefs called ______ & _______

A

Patch Reefs & Sea Grass Beds

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13
Q

At the water surface. More than 25 m above the seafloor.

A

Canopy

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14
Q

It forms when other seaweed species of smaller structure usually grow along the bottom.

A

Understory

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15
Q

Extend from the canopy to the bottom.

A

Stems or Stipes

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16
Q

Stems/stipes are anchored with these structures.

A

Holdfast

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17
Q

_____ on the stipes/stems of kelp grow numerous species of epiphytic algae and sessile invertebrates.

A

Fonds

18
Q

Fonds on the stipes/stems of kelp grow numerous species of ________ & _______

A

Epiphytic Algae and Sessile Invertebrates

19
Q

Only grow in surface waters where there’s sufficient light to support photosynthesis.

A

Seaweed and Reef-Building Corals

20
Q

Few meter to 100 m depth of light penetration is sufficient to support this.

A

Kelp and Corals

21
Q

How many depth of light penetration is sufficient to support Kelp and Corals.

A

Few meter - 100 m

22
Q

Where kelps are limited to

A

Temperate shores

23
Q

Where Reef-Building corals are restricted to

A

Warms Waters

24
Q

At what below minimum temperature does reef-building corals should be

A

18°C to 20°C

25
Q

At what average temperature does reef-building corals should be

A

23°C - 25°C

26
Q

Temperature above ____ are lethal to reef-building corals.

A

29°C

27
Q

Coral reefs and kelp beds are continuously washed out buy this.

A

Oceanic Currents

28
Q

_____ + extremely strong currents (during hurricanes) can detach kelp forest and flatten coral reefs.

A

Wave Actions

29
Q

The salinity where coral reefs can grow

A

Fairly Stable Salinity

30
Q

Heavy rainfall/ runoff from rivers that reduces salinity below ____ can be lethal to corals

A

27%

31
Q

Coral reefs and kelp forest occur here, which help sustain a well oxygenated environment.

A

Vigorous wave action/ active currents

32
Q

Predatory crown-of-thorns sea star which eats corals. Have devastated ares of coral reefs in the Indo-Pacific region.

A

Acanthasther planci

33
Q

Where does Acanthasther planci devastated a large area?

A

Indo-Pacific Region

34
Q

which eats both algae and corals. It also benefits the corals by reducing algal populations.

A

Diadema antillarum

35
Q

This productivity depends on a mutually beneficial relationship between reef-building corals and algae called _____

A

Zooxanthellae

36
Q

Human influences (6)

A
  1. Exploitation
  2. Coral Harvesting
  3. Heavy Exploitation
  4. Destructive Fishing
  5. Pollution
  6. Coral Bleaching
37
Q

Tons of kelp are harvested as a ____ & _____

A

Food additive and for fertilizer

38
Q

____ & ____ are used on coral reefs

A

Dynamite and Poison

39
Q

In the Philippines, ____ of the area once covered by coral reefs were destroyed

A

60%

40
Q

As the temperature of the ocean _____, corals have increasingly expelled their _____. Resulting in the loss of their color called ____

A

Warmed,
Zooxanthellae
Coral Bleaching

41
Q

Bleaching episodes are followed by _______

A

Massive Coral Mortality