Tuesday, November 24, 2009

Great Article on Nisqually and Columbia Delta Projects

Estuarine habitat is some of the most degraded, particularly in Puget Sound where upwards of 80% of estuary habitats have been lost to development. Chinook, Chum, Cutthroat and Bull Trout all use estuary habitats extensively during the critical early marine phase of their lifehistories. Consequently the availability of estuary habitat is known to limit abundance in some cases. This fall a major restoration effort on the Nisqually restored tidal flow to the entire estuary. It was already some of the best estuarine habitat in the region, and it just got way better. Biologists predict that once the estuary has reestablished itself, habitat improvements may on average double the return of Chinook to the Nisqually Basin. An interesting article this week in the Crosscut news provides details into the collaborative restoration effort. It also compares the success of a project like that on the Nisqually to the proposed 40 million dollar estuary restoration project to be carried out on the Lower Columbia, where unfortunately dams upstream are currently limiting productivity of wild stocks.


Also, check out the work being done by the Nisqually Land Trust at their website


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