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Taiga

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Transcript of Taiga

Abiotic Factors
Abiotic factors
Extreme variations of temperature
Heavy snow
Fertile soil
Rainfall
Affects:
The rainfall the taiga gets, affects the amount of soil and growth of the plants in the taiga biome. This which affects the animals nutrition of those living in this ecosystem.

The taiga contains a range of temperatures, this affects the animals living in this ecosystem, because they would have to adapt to both of the different types of environment.

The fertile soil in this ecosystem, helps the taiga biome encourage their plants to grow more, which provides the consumers with enough producers to feed off them.
Limiting Factors
Density dependent limiting factor:
something a factor that is affected by the density of the certain population.

An example would be the light. Since the taiga consists of many boreal forests, it makes it harder for the light to reach the ground for the plants necessity.

Density independent limiting factor:
something that is unaffected despite the population size.

An example would be the different temperatures ranging from hot to cold. Many organisms can’t survive in the Taiga’s extreme cold temperatures, so both, small and large population of species would be affected.

Types of Organisms
Producers:
Blueberry
Bilberry
Cowberry bushes
Spruce
Pine
Fir trees

Consumers:
Primary- Red Squirrel, Snowshoe Hares, Grouse, Woodland Caribou, Moose, Voles, Shrews, Lemmings, Beaver
Secondary - Owls, Arctic Fox, Red fox, Weasels, Martens, Sables,
Tertiary - Humans, Wolves, Coyotes, Grizzly Bears, Black Bears, Lynx


Relationships among Organisms
Many mammals depend on the various berry bushes listed above. Grass is common in most taiga areas. Primary consumers mainly feed off of grass as well as the berry bushes.
Introductory

The Taiga

Food Web
Biotic Factors
Energy Pyramid
Endangered Animal
Human Impact

Predictions
Reward Challenge
Succession
Primary succession definition:
when new growth occurs in a location devoid of vegetation and soil.
Secondary Succession Definition
: the growth of plants in a an area where plants were destroyed, but the soil remains intact.
Process
:

-Pioneer species colonize area
-Soil comes back
-Vascular plants come in.
-Area starts to contain larger plants,
-Animals are attracted to it.
-Trees and other large plants join
forming a climax community
Process
:
Follows the same steps of primary succession except there is no need for colonization species.
Berries
Paper Birch
Aspen
Mosses
Twinleaf
Moose
Beavers
Lemmings
Caribou
Producers
Primary Consumers
Red Fox
Owls
Sables
Secondary Consumers
Grizzly
Lynx
Tertiary Consumers
Human Impacts:

Mining
Construction
Road building
Hydroelectric power

Mining:
Fossil fuels have damaged the air for animals.

Hydroelectric power:
Ruined the water system, and the fishes in this ecosystem have developed mercury poisoning.

Road Building:
This has led to forest fires because of the chemicals and biofuels.

Construction:
Cutting of trees, and herbicides and pesticides has caused the plant life to decrease, which left some animals the problem of losing their homes.
Predictions in the future:
Extinction of several Taiga ecosystems.
The extinction of many fishes and marine animals.
Increase of acid rain

Why?

The deforestation would occur because of the extensive amount of human logging that goes on in this biome.

The fishes are already poisoned by the hydroelectric power in this biome, so there is a possibility all of the marine organisms will get poisoned as well.

The acid rain would be harmful to the plants, because of the fossil fuels.

"Native Lumber Jack":

Location
: North Central Rockies Forrest (Eastern Canada)

Challenge Description:
You will work with a team of two lumberjacks to cut done a tree and craft a cannoe. You will then meet with a group of natives as they teach you their ways. After that you will apply your new learned knowlegde and navigate your way out of the forest.



Biogeochemical Cycles
Nitrogen Cycle:

Helps non-resuable nitrates become usuable by breaking them down, so that the animals and plants are provided with a good amount of nitrates that they need.

The construction and road building reduced the soil, which makes it harder for these processes to happen.

Carbon Cycle:

This plays an important role in the biome, especially because of large vegetation and the biomes diverse species of animals. The plants use this cycle to produce enough oxygen for many of the animals in this biome.
Trees:
Spruce
Pine
Fir
Many berry bushes are found here for food sources. Blueberry, bilberry, and cowberry all thrive in the biome.
Geographic Location:
Distribution of the biome:
located between 50 degrees latitude north and the arctic circle.
North America
Asia
Europe
Canada
Alaska
Russia
Scandinavia
Moose
Grass
Berries
Trees
Caribou
Lemming
Snowy Owl
Arctic Fox
Grizzly Bear
Lynx
Snowshoe Hare
Squirrel
Wildlife:
Moose
Reindeer
Beavers
Lnyx
Snowshoe Hare
Wolves
Owls
Eagles
Black Bears
Interactions between individuals. Individuals are often in competition of their own species and other species.
They compete for limited resources like water, food, mates, and shelter. These interactions between individuals is not limited to competition.
Predation occurs when an individual eats another, like a wolf killing and eating caribou or moose.
Mutualism occurs when two individuals interact, and both benefit from it.
Parasitism occurs when a organism lives on or in a host and feeds on it.
Commensalism occurs when one organism benefits and the other neither benefits or is harmed.

Siberian Tiger -
Endangered due to logging
Pollution
Poaching/Hunting
Deforestation
400-500 still alive today
Predator- Prey Relationships
Snowshoe Hare and the Lynx .
During the winter the coat is white to blend into the snow, and the coat is tan in the summer to hid in the woods. The Lynx is a good climber and swimmer.
Another example of predator prey relationship is a wolf eating an elk.
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