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Biome Project

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Tishon Jones

on 19 November 2012

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Transcript of Biome Project

by Tishon Jones Mountain Biome Introduction Table of contents Welcome everyone to my project the mountain biome in this you will be learning about the Biotic and Abiotic factors in the mountains. You will also observe many thinks like the Food Web and Trophic Pyramid. More importantly you will be learning about the organisms living in the mountain like bears and such. So enjoy this presentation and please if you have any questions just ask. Abiotic factors . . . part 4
Biotic factors . . .
Density dependent limiting factors . . . part 5
Density independent limiting factors . . . part 6
Producers . . . part 7
Consumers . . . part 8
Food Web . . . part 9
Key stone species . . . part 10
Predator-Prey relationships . . . part 11 Rocks
Minerals Abiotic Factors (non-living) Plants
Bacteria Rabbits
Mountain lions
Snakes Biotic Factors (living) food and water supply – large population would require for a higher supply of food and water. Limited supply of available food and water would result in competition
living space – for instance, the growth of plants is affected by a competition for space. Less space could mean less sunlight, less photosynthesis.
predation – more prey animals could mean more predators, thus, increased predation.disease – spread of disease is faster in a dense population than small ones. Density dependent limiting factors Population is also a major limiting factor. If an area gets over populated this causes predation to take over so there would be more food for predators their prey wont be able to survive. Food and nutrients are a major limiting factor in ecosystems. If an ecosystem is not able to produce enough food, a percentage of the animals and organisms living in that ecosystem will not survive. Density independent limiting factors Herbivores- Elk, White-Tailed Deer, Alpine Ibex

Carnivores- Mountain Lions

Omnivores- Gray Fox, Red Fox, Grizzly Bears Consumers Food Web Keystones species The key species in the mountain biome would be the tree, shrub, and fungi. Without any of those the squirrels and grasshoppers would not have anything to eat and without any squirrels or grasshoppers the shrews cannot eat the grasshoppers. So without any shrews the hawk cannot eat the shrews or squirrels. Also if the Shrews are gone then the snakes would be out of food. Then when there is no more snakes then The mountain Lions wont be able to eat either. So two main predators will be out of food and so will each other animal. Predator-Prey Relationships Endangered Species Grizzly Bears and the Artic fox Name of Organism Grizzly Bears, who mostly live in Alpine Biomes ( mountains in the artic) have been going endangered since the 1970’s. Ever since there has been record of only 300 estimated bears in the United States Why is this Organism endangered Between 1800 and 1975, grizzly bear populations in the lower 48 states. As mountainous areas were settled, development contributed to an increase in human-caused mortality. Livestock depredation control, habitat deterioration, commercial trapping, unregulated hunting and the perception that grizzlies threatened human life were leading causes of the animal's decline. Population Estimate The Grizzly Bear population estimate is about 1200 in the continental U.S. Grizzly Bear and Salmon The bear and salmon have a unique predator-prey relationship. Because the salmon has no real defense against the bear. During the annual salmon run, salmon swim in large numbers to the site of their birthplace in order to reproduce The grizzly bear, however, means to prevent this by catching and consuming the salmon while they are on route. While the salmon swim along the waters, they appear at the surface often, and the bear merely snatches its food into its very large mouth. IN the Mountain biome Grizzly bears and artic foxes that live in the Alpine biomes like snowy mountains are becoming endangered due to excessive hunting or lack of food. Graphics and Videos FAQ's What are Gizzly bears diets?
_ Fish (mainly Salmon),Nuts and berries
Why is the grizzly bear population decreasing?
-Because of excessive hunting
Are there any other animals living in the mountain biome?
-Animals living in the mountain biome include the Mountain Lion, Moose, Deer ect.
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