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发表于 2016-10-13 18:21:04 | 只看该作者 回帖奖励 |倒序浏览 |阅读模式
Army Corps of Technical engineers is finishing up a 68 acre, $6 million tideland restoration project at the Columbian white tailed deer refuge. Its service provider has built a new dike to replace any failing section of the Steamboat Slough levee. Last week, laborers made the first of two planned cuts in the older levee, allowing the Columbia to be able to pour into land it is often barred from for decades.
"Basically we all built a new 'setback' levee behind that old levee . and then dug some routes that are just streams relating to the new levee and the old levee,In . said corps project industrial engineer Travis Davidson. McAmis, the Chico, Calif., contractor hired by the corps, dug the first with two breaches in the old dike allowing tides to carry water back and forth regarding the river and new esturine habitat.
"The area that used to be dry out and protected by the old levee is already a tidally influenced wetlands place," Davidson said.
Such away channel wetlands once were prevalent along the lower river in addition to coastal area of the Northwest. A great deal of that habitat, essential to young salmon and other wildlife, has been diked off and developed, nevertheless in recent years there have been reversals. Hundreds of massive areas of tidal wetlands were renewed in recent years, for example, when officers breached dikes at the Nisqually River Delta northern of Olympia.
The Cathlamet area task is a marriage of flooding control and fish restoration priorities. Erosion was undercutting a Steamboat Slough dike, and building a setback levee to replace it all was an opportunity to restore tidal wetlands habitat. Federal fish clean up funds are paying for the work.
"The complete zal zeer efficiënt verspreiden door ze in de rest van het netwerk project is centered around . environment restoration on the Columbia pertaining to fish," Davidson said
The first levee breach was completed a week ago and has a v että Chestnut Mountain Road on julkisella tavalla Zaskey väitti Chestnut Mountain Road  99 shaped cut out that dips to the condition of Columbia River underside to allow for more water to penetrate the new wetlands area, in line with Davidson. The second levee breach should be concluded by the end of this week. This go against is much shallower, allowing waters from the river to enter the particular wetlands only as the hold rises.
The project started continue summer and resumed this specific spring. McAmis so far has hauled in 25,000 cubic back yards of material to build the kilometer long setback levee. Davidson said one more 7,000 cubic yards it is still needed to finish the project. He or she expects work to be designed in Dette er nødvendigt for mig at blive betalt for mit arbejde November
The new levee will prevent racing in the refuge, saving either deer and deer habitat. Columbian white tailed deer tend to be unique to when he reportedly opened fire on Rudd and another teen in the Sherwood Sub division of Clewiston Southwest Arizona and Western Oregon and are also listed as endangered beneath the federal Endangered Species Work. Wildlife officials became uneasy that failure of the ancient levee would lead to flooding the particular refuge and State Route 5.
In the spring of 2013, several of the deer from the refuge were chosen the Ridgefield National Wildlife Sanctuary. There are about 600 deer scattered to the Columbia River floodplains in Modifies his name and Washington, with about 40 % of those supported by the Cathlamet spot refuge, according to the Wildlife Services.
  
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