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| Ecosystem
Previews |
Great
Lake Genesis
To the sailor scanning the limitless
horizons of Lakes Superior, Huron,
Michigan, Erie or Ontario, it may
seem impossible to believe that North
America's vast freshwater seas have
not always existed. But today's lobe-like
constellation of Great Lakes waterways
is barely more than 10,000 years old,
born only in the last few seconds
of Earth's geological history.
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Ecosystem
Quick Links |
Lake
Ontario
Lake
of the Woods
Great
Slave Lake
Bras
d’Or Lake
Lake
Winnipeg |
Bringing
Back the Elk
In an effort to restore elk populations
to Ontario, the Provincial Elk
Restoration Advisory Committee
received $241,500 in the 1990’s,
to transport elk from Elk Island
National Park in Alberta, and
release them in four areas –
Lake Huron’s north shore,
the Nipissing-French River area,
Bancroft/North Hastings region,
and the Lake of the Woods’
Cameron Lake area (20 km east
of the lake.)
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Bras
d’Or Biology
Oysters thrive, but rock crabs
and sea scallops struggle. Ocean
species such as mackerel, winter
flounder and Greenland cod dominate
the finfish population, along
with a population of introduced
rainbow trout. Crustaceans such
as sand shrimp co-exist with marine
invertebrates such as jellyfish,
sea urchins and starfish. Seaweeds
typical of the Gulf of St. Lawrence
grow in deeper waters, while a
combination of saltwater and freshwater
marsh plants line sheltered bays.
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Bison
Sanctuary Success Story
The Mackenzie Bison Sanctuary’s
population of about 2,000 wood
bison is just a small fraction
of the almost 200,000 shaggy,
bearded beasts that once ranged
throughout northern Alberta, northeastern
British Columbia, southern Yukon,
and the southwestern Northwest
Territories. But it is a vast
increase from the wood bison’s
1891 population low of 200 - 250
animals that resulted from years
of over-hunting during the 18th
and 19th centuries.
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The Fate of the East-Side Forest
Can forest preservation co-exist
with economic development? That's
the fundamental issue of a public
consultative process that will
determine the future of one of
Canada's most significant frontier
forests.
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