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Southwest Washington
Wildlife Reports
January
22, 2008
Game
Management Division
Region 5 Deer Herd Composition Surveys: Biologist Holman compiled
the black-tail and mule deer herd composition surveys that were completed in
Region 5 during 2007. The surveys are conducted annually during the period beginning
August 15 and continuing through September 30th. These data are used to estimate
the annual ratio of fawns to does throughout the Region. These productivity
data are then used as one of the inputs into the Region's Sex - Age - Kill method
of population estimation. The 2007 effort involved the classification of over
750 deer and resulted in a fawn to doe ratio of 55:100. The 2007 ratio of 55
fawns per 100 does represents a return to average productivity in Region 5,
following poor production of fawns in 2006.
Wildlife Program Staff along with volunteers actively conducted surveys as well as documenting any deer seen during other work (or play) activities during this time period. Thanks to all those that helped out with the deer surveys, especially the members of the Yacolt Burn Sportsman's Club as well as employees and contractors for Western Pacific, SDS, and Sierra Pacific timber companies. Also thanks to WDFW fisheries biologists Gray and Keller for their documentation of deer. Please see the figure below detailing the fawn to doe ratio and number of deer included in the effort from 1995-2007.
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Region
5 Deer Herd Composition Surveys 2007 |
Mid Winter Waterfowl Surveys: District Wildlife Biologist Anderson completed the mid-winter waterfowl surveys between Bonneville Dam and John Day Dam on the Columbia River. All survey results have been tabulated and data have been submitted. Overall, waterfowl numbers for 2008 are similar to that of 2006 and 2007. Scaup numbers on the Columbia River were down by approximately 1500 birds, but mallards, widgeon, and gadwall were a bit higher than the past two years. Wintering conditions are generally favorable along the river, as most backwater sloughs, lakes, and wetlands appear to be open and available for foraging.
Pacific Joint Venture Proposal: District Wildlife Biologist Miller submitted a pre-proposal to fund hydro seeding on Hump Island in the Columbia River near Longview. Dredge material will be deposited on the island as part of a COE fish enhancement program and WDFW and WA DNR would like to test hydro seeding as a method to establish vegetation on islands that receive spoil materials.
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