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Coral Reefs

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by

Mollie Keller

on 5 December 2014

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Transcript of Coral Reefs

Coral Reefs:)
Biome Project:
Coral Reefs
Climatogram
World map
Factors that contribute to coral reefs and their climate
-Reef-building corals are limited in their distribution.
-Many coral species live where the water temperature is between 23 and 29C, some can tolerate higher temperatures.
-The deeper the water the less the number of species of coral exist.
-shallow reefs 30 N to 30 S
-Need high light-most reef-building species are restricted to the euphotic zone-approximately 70m.
The Coral Reef Biome
Coral reefs are a biome in the ocean, but they are not part of the ocean biome.
“Rainforest of the ocean”
Coral reefs are usually found in shallow, clear portion of the ocean in tropical areas.
Corals are marine invertebrates in the class Anthozoa of phylum Cnidaria.
They usually live in compact colonies of many identical individual polyps.
The largest coral reef biome is the Great Barrier Reef.
Most of its diversity comes from their plant life.
They only go about 150 meters under sea level and grow slow at approximately 2 cm per year.
They are disappearing at an alarming rate
Images
Latitude
The majority of coral reefs are found within tropical and subtropical waters.
The latitudes are typically between 30° north and 30° south latitudes
The largest amounts of coral reefs are found north of Australia in the Great Barrier Reef- 24°30'N to 10°41'S, 145°00' to 154°00'E
Altitude
Most coral reefs range from below sea level to 40 meters.
However, the Great Barrier Reef extends from 1000 meters below sea level to approximately 9156 meters above sea level
By: Mollie Keller
Katie McAllister
Olivia Heintzman
Nancy Howe
living organisms
>Coral reefs house 25% of the ocean’s life
Non-living Components
sand
ocean water
rocks
calcium (structure/shell)
> organisms: fish, sea snake, sea turtles, dugongs and manatees, rays, worms, corals, sponges, echinoderms, mollusks, crustaceans
>Food: primary producers are plants and seaweed
Predators around coral reefs-dolphins, porpoises, sharks, and sea birds
interactions that exist within this biome
Human Impacts
- Coral reefs are in danger from:
Over-fishing
the use of dynamite and poison
divers and snorkelers
boat anchors
- Pollution and runoff block necessary sunlight

Images
The Great Barrier Reef
red dots show major locations of stony coral reefs in the world
Wow what is that?

It's coral! (reefs)
Bibliography
Food Web
Symbiotic relationships:
interactions include: protection, camouflage, cleaning, and survival

example of food web: sun-> photosynthesis in phytoplankton, algae, and other plants -> coral, sea turtles, and fish ->
http://oceanservice.noaa.gov/education/kits/corals/media/supp_coral05a.html

http://www.eoearth.org/view/article/153090/

http://www.softschools.com/facts/biomes/coral_reef_biome_facts/168/

http://www.oceanhealthindex.org/Components/Coral_Reefs/

http://www.coralfilm.com/about.html

http://en.wikipedia.org/wiki/Coral

http://www.coris.noaa.gov/about/what_are/

http://en.wikipedia.org/wiki/Coral_reef

http://www.coral-reef-info.com/coral-reef-plants.html

http://jrscience.wcp.muohio.edu/fieldcourses02/PapersMarineEcologyArticles/Interactionsinthereefcomm.htmlhttp://kids.nceas.ucsb.edu/biomes/coralreef.html#animals

http://www.coral-reef-info.com/coral-reef-animals.html

http://education.nationalgeographic.com/education/media/coral-reef-food-web/?ar_a=1

http://www.exploringnature.org/db/detail.php?dbID=2&detID=1221

http://www.wri.org/blog/2011/08/lionfish-invasion-threatens-coral-reefs-atlantic-and-caribbean

http://www.care2.com/causes/5-of-the-worlds-most-endangered-coral-reefs.html
Video

The Lionfish are
invasive
species that threaten the ecosystem of the coral reefs. They are popular, colorful fish for aquariums and when captured, the biome of the coral reefs are at risk
Endangered Corals
The Great Barrior Reef
Southeast Asian Coral Reefs
Sri Lanken Coral Reefs
Florida's Coral Reefs
Kingman Reef
Caribbean Coral Reefs

Calcium Structure
Three types of Coral Reefs:
Polyps
1.
Fringing Reefs:
The most common type that grow on continental shelf near the coastline.
2.
Barrier Reefs:
Parallel to the shoreline, but further from the shore
3.
Coral Atolls:
Rings of coral reefs that grow on top of sunken oceanic volcanoes.
- global warming
- natural disasters
- after being damaged by humans, it is harder for coral reefs to recover from things such as natural disasters
Other Impacts
Vegetation
Flowering plants
mangroves
seagrases

- rapid growth
- high production rates

These plants make a substantial contribution to the food webs for this ecosystem. They also benefit nearby reefs by reducting sediment loads in the water
Full transcript