Major anthropogenic physical disturbance
Columbia River: dredging a 2-meter deep channel from Portland to Lewiston commences
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25
JUN
1872
JUN
1872
0
“Sec 1. Be it enacted by the Legislative Assembly of the Territory of Washington, that any person, being a citizen of this Territory, who has planted, or who hereafter may plant oysters in any bay or arm of the sea, where there are no natural beds of oysters, within or bordering upon this Territory, may acquire, by conforming to the requirements of this act, an exclusive right for such a purpose, to that portion of such bay or ...
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24
APR
1861
APR
1861
LEGISLATIVE ACTIONS
An Act for the Preservation of Oysters in Shoalwater Bay. This act required six months residency, prohibited harvest from June 1- August 1, excluding planted beds, outlawed dredge harvest, and required that “small oysters to be returned to the natural beds.”
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15
APR
1855
APR
1855
The first mention of oyster cultivation (“propagation”) in the Pacific Northwest.
“The method of propagating oysters is to dig them up with tongs formed like two rakes with the teeth parallel to each other, the handles being near the bottom, and so formed as to open or close on the oyster. When dug up, the oysters are separated from the mass and buried about the low watermark, or even high watermark, so that the tide can ebb ...
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14
APR
1854
APR
1854
LEGISLATIVE ACTIONS
An Act for the Preservation of Clams and Oysters, Oregon Territory (included what was to become Washington Territory in 1854). Unlawful to take during May, June, Jul, and August from territorial waters; also illegal to take if resident for less than three months.
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14
JAN
1853
JAN
1853
