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Zooplankton in Upper Willamette Reservoirs, 2015

Creator:

Murphy, Christina A., Pollock, Amanda M.M., Strecker, Angela L., and Johnson, Sherri L.

Abstract:

Samples targeting crustacean zooplankton were collected from 3 upper Willamette Basin reservoirs during May-August 2015. Van Dorn sampling devices were used to collect samples at discrete depths from Fall Creek Reservoir, Lookout Point Reservoir, and Hills Creek Reservoir. Zooplankton samples were collected during daytime and nighttime corresponding with the new...

Resource Type:

Dataset
Relationship Between Specific Gravity and Percentage of Summerwood in Wide-Ringed, Second-Growth Douglas-Fir

Creator:

Smith, Diana M.

Abstract:

For the sample of wide-ringed Douglas-fir discussed in this report, the relationship between specific gravity and percentage of summerwood is linear over a range of 16 to 60 percent summerwood content of the annual ring. The specific gravity of the summerwood and springwood portions of 96 dissected annual rings is...

Resource Type:

Technical Report

Full Text:

zero and 100 percent summer wood. In all cases correlation coefficients were significant at the l