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Kelp Forest

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by

Casey Gentile

on 5 March 2013

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Transcript of Kelp Forest

Kelp Forest Casey Gentile,Caitlin McGlynn, and Madison Stack The blue shade represent areas where kelp forests are located. Abiotic Factors Bottom Type: Water depth/ temp: Nutrients/Upwelling zones: Water Clarity: Food Web Human Uses for Kelp Geographical Distribution of Kelp Forests Threats to Kelp Forests What is Kelp? Rocky 2-30 meters Cold, grow the best below 70'F Typically grow in upwelling areas Sunlight, nitrogen, carbon dioxide maximum growth occurs with clear water Producers Consumers Herbivores Predators Facts:
Can grow up to 2 ft/day
Have simple tissues and structures
Photosynthetic
Blades at the tip of each frond separates, producing tiny new blades delivers the sugars of photosynthesis from the blades to lower portions of the plant
Sea mammals feed in the kelp and use it as shelter from storms and predators
Sea otters can wrap up in a kelp frond to keep from drifting away when sleeping
Kelp forests help to distribute the energy of waves during storms, making it a place of refuge for marine life during storms anchors the kelp to the rocky bottom place where photosynthesis occurs Primary Production Any living organism that can convert light energy or chemical energy into organic matter (ex: sunlight into glucose) Kelp Detritus Non-living particulate organic matter Kelp Wrack Waves tear large amounts of kelp off and is washed ashore.

Wrack on the beach helps maintain foraging opportunities for shorebirds and adds to coastal strand plants which create sand dunes Main food source for suspension feeders. Bottom of the food chain for which the ecosystem can flourish. Fish Species Otters as a Keystone Species Structure and Function Harvested as algin, a binding agent used in making many foods and cosmetics
Toothpaste, shampoo, salad dressing pudding, cakes, dairy products, frozen foods, pharmaceuticals Invertebrates Abalone Pelagic Jelly Bat Starfish Sea Urchin Northern Kelp Crab Bristle Worm Sea Anemone Moon Jelly Sunflower Starfish Red Octopus Artedius Wolf Eel Gibbonsia Sarcastic
Fringehead Warbonnet Cabezon Rainbow
Surfperch Mola Gopher Rock Sheephead Commercial kelp harvesting
Plant competition
Storms
El Nino events pollution Feeds on sea urchins
If their otters were to disappear then sea urchin populations would dramatically increase
Sea urchins eat the kelp and the forest would be damaged irreparably Urchin Barren Army of Sea Urchins
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