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Transcript
SNC 1P Sustainable Ecosystems and Human Activity
Biodiversity and Species at Risk
Biodiversity: _____________________________________________
Benefits of biodiversity:
1.
Healthy coral reefs have a
high biodiversity. All kinds
of organisms live in coral
reefs. But when abiotic
features like water
temperature increase
biodiversity can be
affected.
2.
3.
How to protect biodiversity:
1.
2.
3.
Classification
Special
Concern
Definition
Number
of
Species in
2009
160
Threatened
145
Endangered
244
Examples
Polar bear,
great blue
heron, Atlantic
cod
Humpback
whale, wood
bison,
Kentucky
coffee-tree
Barn owl, swift
fox, northern
cricket frog
Paddlefish,
grey whale
Extirpated
23
Extinct
BIODIVERSITY IN CORAL
REEFS
13
Great auk,
passengers
pigeon, sea
mink
Fragmentation: _____________________________________________
WILDLIFE CROSSINGS
SNC 1P Sustainable Ecosystems and Human Activity
Species at Risk in Canada
Number of Species at Risk Across Canada in Each Province or Territory
(birds, mammals, reptiles, amphibians, freshwater fish, orchids and ferns)
SNC 1P Sustainable Ecosystems and Human Activity
Boreal Forest Species at Risk
Ontario's largest forest region, the Boreal forest is dominated by conifers, especially spruce. This is an
important habitat for large mammals such as Moose and Woodland Caribou, and birds such as the Great
Gray Owl and the Pileated Woodpecker.
There are a total of 28 species officially designated as being at risk in this region.
2 species are extinct and gone forever.
1 species is extirpated and no longer exists in Ontario.
5 species are endangered and close to disappearing from Ontario.
8 species are threatened indicating risk of becoming endangered.
12 species are of special concern who's characteristics make them sensitive to human activities or
natural events.
Make a pie chart showing the different classifications of species at risk.
To find the percentage: take how many animals in each classification and divide it by the total. Then
multiply that number by 100.
Example: 2/28= 0.07x100= 7.14%
SNC 1P Sustainable Ecosystems and Human Activity
Species at Risk
Biodiversity: the variety of species in an ecosystem
Benefits of biodiversity:
1.
Withstand disease
2. Droughts
3. Arrival of new species
How to protect biodiversity:
4. Prevent pollution
5. Prevent habitat loss
6. Introduction of new species
Classification
Special
Concern
Threatened
Endangered
Extirpated
Extinct
Definition
May become
threatened or
endangered because
of various factors
Likely to become
endangered if no
action taken
Number of
Species in
2009
160
145
Examples
Polar bear,
great blue
heron, Atlantic
cod
Humpback
whale, wood
bison,
Kentucky
coffee-tree
Barn owl, swift
fox, northern
cricket frog
In immediate
danger of becoming
extirpated or
extinct
No longer exists in
the wild in a
specific area
244
23
Paddlefish,
grey whale
No longer exists on
earth
13
Great auk,
passengers
pigeon, sea
mink
Fragmentation: process of breaking once large ecosystems into smaller ecosystems