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THE SHRINKING HABITAT
LOWER CREEK
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In this area, south of Marine Drive, the stream corridor is very narrow with not much vegetation between the water, and the street and buildings.
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Although the minimum width, on each side, should be 50 feet or 15 metres for salmon bearing streams, many places here are under 10 feet.
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It is important that the vegetation along a creek be continous.
It functions the same way that a house does for people. The trees are the roof, the shrubs and smaller plants are the walls.
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Whenever a bridge is built, a section of the creek is clear-cut.
It is like cutting a slice out of the house - and leaving a permanent hole in the roof and two sides. No habitat, no protection.
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Preservation of this particular section of streamside habitat has been very important because there is an obstacle to fish passage here - a weir.
Even though there is a fish ladder, it's not always passable. Sometimes leaves and branches build up in the ladder, sometimes the water levels are low.
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Before this habitat was clear-cut, the thick vegetation offered protection, shelter, and privacy for salmon and other fish waiting to travel upstream.
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1995
3 bridges
Larson, Marine, Bewicke
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1998
4th bridge - Low Level
parkland sold
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2012
Area Cleared
for 5th bridge
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MOSQUITO CREEK BRIDGES
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In 1995, there were 3 bridges.
In 1998, there were 4.
In late 2011, the entire road width of 3rd Street was clear-cut.
If another bridge is constructed, there will be 5 - within 5 city blocks.
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The City declared Mosquito Creek to be a protected Green Zone and an Environmentally Sensitive Area, and pledged to protect salmon habitat.
Streamside Protection Bylaws were adopted.
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The primary goal of these types of Bylaws is supposed to be in protecting the Fisheries and fish habitat - which means preserving what remains of streams and streamside habitat (riparian) to a minimum depth/width (50 feet or 15 m) continuous on both sides of a stream channel - and restoring those sections already missing.
Municipalities are supposed to work toward that goal.
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So why are they continuing to clear-cut the creek ?
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Some argue that urban development and increased density is necessary.
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Perhaps, but it shouldn't be necessary to cover every piece of land with buildings and pavement.
The stream channels and their wildlife habitat are a very small percentage of the North Shore land base.
If they cannot be respected, preserved, and kept viable at this time in our history, then --- shame on us.
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