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Boreal Forest

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by

Dan Conlon

on 13 November 2012

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Transcript of Boreal Forest

DAN CONLON COURTNEY LANGLAIS AND BROOKE BIROLINI THE TAIGA Average Precipitation 12 in./year Average Temperature -51C/-1C In the winter 7C/21C In the summer Taiga Climate >Hot and humid summers
>Very cold Winters
>High Amounts of snow FLORA >Mostly Coniferous Trees
(Douglas Fir, White Spruce)

>Some Lichen

>Few Mosses

>Some Berries and
Shrubs FAUNA PREDATORS:
>LYNX
>WOlVERINE
>BOBCAT HERBIVORES:
>SNOWSHOE RABBIT
>RED SQUIRREL
>VOLES FOOD CHAIN
IN THE
BOREAL
FOREST SOMETIMES:
>ELK
>DEER
or
>MOOSE In the warmer Taiga's THE BOREAL FORST OR Berries ELK WOLVERINE HONEY FUNGUS Red areas indicate
where the Taiga is
located The Taiga is a very cold biome with permafrost soil, most of its precipitation is in the form of snow. ABIOTIC FACTORS:
An abiotic factor is a non-living thing that
affects a biome or ecosystem
>Average Precipitation
>Soil Composition
>Average Temperature BIOTIC FACTORS: Any living thing
that affects an ecosystem such as:
>Animals
>Plants
>Bacteria The berry plant is a PRODUCER, this means it takes energy from the sun and converts it into carbohydrates The elk is a CONSUMER, it cannot make its own carbohydrates so it must take them from the berry plant 90% of energy is lost between trophic levels through heat and waste Each of these organisms are part of a trophic level, a trophic level is the part of a food chain where each group of organisms are located The honey fungus is a DECOMPOSER, this means it breaks down organic material, such as the Elk. ENERGY PYRAMID # of Organisms White Sprude (Producer) Elk (First level consumer) Wolverene (Seccond level Comsumer) LIMITING FACTOR One big limiting factor of wolf packs in the boreal forest is DISTEMPER Distemper is a viral disease found in wild dogs, it is very cold resistant and has a very high mortality rate. CHANGE IN DYNAMICS This is a picture of a forest fire in the Taiga Forest Fires are the most common natural disaster in the Taiga and that leave huge wakes of distrustion Aftermath of a forest fire:
>Animals die/loose thier homes
>Atmospheric composition is altered releasing massive amounts of carbon dioxide into the air
>Food chains are altered due to lack of producers MUTUALISM IN THE BOREAL FOREST One example of mutualism in the Boreal is the lichen and the black spruce tree. The lichen needs food while the tree produces dead matter. That matter is consumed by the lichen, which in turn provides nutrients for the spruce. THE END WHITE SPRUCE ELK WOLVERINE BLACK BEAR 1st tropic
level 2nd trophic level 3rd trophic level PRESENT
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