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Courses across BC March - May 2018

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Parrot's Feather

A popular aquatic garden plant that spreads with water currents, animals, boats/trailers and fishing gear. Dense stands can stagnate water, and increase breeding grounds for mosquitoes learn more »

Zebra/Quagga Mussels

These tiny freshwater mussels clog drains, damage infrastructure, and are very costly to control/eradicate learn more »

Giant Hogweed

A towering toxic invasive plant with WorkSafe BC regulations learn more »

European Fire Ant

A tiny ant with a toxic sting learn more »

Purple Loosestrife

An aggressive wetland invader that threatens plant and animal diversity learn more »

Orange Hawkweed

Also yellow, these invasive plants replace native vegetation along roadsides, and threaten areas not yet reforested learn more »

Japanese Knotweed

Grows aggressively through concrete, impacting roads and house foundations learn more »

Spotted Knapweed

A single plant spreads rapidly with up to 140,000 seeds per square metre learn more »

Scotch Broom

An evergreen shrub that invades rangelands, replaces forage plants, causes allergies in people, and is a serious competitor to conifer seedlings learn more »

Stanley Park lake slated for cleanup

The Vancouver Park Board expects to approve a plan before the end of January to restore Stanley Park's largest watershed.

Beaver Lake, in the centre of the park, is turning into a bog full of invasive plants and with very little water flow.

The flow was cut off during the 1930s when the causeway was built.

The loss of water is threatening the few endangered species that still live there.

Loretta Woodcock, the park board commissioner, said restoration is badly needed.

"The last time the park board took any measure to look at the size and depth of Beaver Lake was in 1929," she said. "So, it has been 82 years. The forecast is that Beaver Lake will disappear by 2020, so we are looking at this as an urgent situation."

Woodcock also said restoring Beaver Lake would revive populations of endangered birds, reptiles and amphibians.

Once the restoration plan is approved, an environmental assessment and public consultation process will begin.

Dredging could begin early next year. Woodcock said the millions of dollars needed for the dredging will come from federal government grants.

The restoration project is expected to cost $150,000.