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WDFW Uses Drone To Collect Habitat Restoration Data In Lower Columbia River
Posted on Friday, November 02, 2018 (PST)

Scientists with the Washington Department of Fish and Wildlife this week flew a drone over a section of the Lower Columbia River and adjacent areas to collect information supporting river restoration work.


WDFW scientist Jane Atha said the drone will collect imagery of a wetland project at South Bachelor Island, where the agency will be reconnecting off-channel wetland habitat starting later this year.


The drone was flown between 9 a.m. and 4 p.m. for approximately 30 to 60 minute periods within a four day window over approximately 2,000 feet on South Bachelor Island upstream of the confluence of Lake River with the Columbia River (river mile 91).


Nicole Czarnomski, lower Columbia habitat restoration program manager, said participants in the reconnection project will cut a channel through previously placed dredge material and will deposit the material along the bank to be entrained by the river in order to create shallow water habitat downstream for species such as chinook salmon, eulachon, and lamprey, among others.


WDFW scientists also want to monitor changes to the constructed channel over time to determine if it is maintaining connection between the wetland and the river.


Collection of imagery by a drone provides safer and more efficient river restoration monitoring than would otherwise be possible.


Funding for this project originates from Washington Department of Natural Resources and Bonneville Power Administration. Monitoring will be supported by Washington Department of Fish and Wildlife and U.S. Army Corps of Engineers, among others.



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