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Gravel disturbance impacts on salmon habitat and stream health : volume 1 : summary report

Creator:

Williamson, Kenneth J., Bella, David A., Beschta, Robert L., Grant, Gordon, Klingeman, Peter C., Li, Hiram W., and Nelson, Peter O.

Abstract:

In this report, a response is given to the charge of this study. Volume I: Summary Report includes a synopsis of the technical considerations followed by the main findings and recommendations. The full technical background for these summary statements is given in detail in Volume II: Technical Background Report, and...

Resource Type:

Technical Report

Full Text:

industry hoped the study would answer questions about whether gravel removal helps or hurts stream health
Gravel disturbance impacts on salmon habitat and stream health : volume II : technical background report

Creator:

Williamson, Kenneth J., Bella, David A., Beschta, Robert L., Grant, Gordon, Klingeman, Peter C., Li, Hiram W., Nelson, Peter O., Castillo, Gonzalo, Lorz, Tom, Meleason, Mark, Minear, Paula, Moret, Stephanie, Nam, Ilgi, Reiter, Maryanne, and Wieland, Lisa

Abstract:

A report for the Oregon Division of State Lands.

Resource Type:

Technical Report

Full Text:

industry must be carefully evaluated as to the cost and benefits of increased environmental protection
Effects of grass seed agriculture on aquatic invertebrate communities in seasonal wetlands of the southern Willamette Valley, Oregon

Creator:

Wyss, Lance A.

Abstract:

An estimated 99% of native wet prairie has been lost in the Willamette Valley, Oregon, but a large number of seasonal wetlands remain on private lands dedicated to grass seed production within the historical wet prairie landscape. Because agriculture is known to alter physical and chemical wetland conditions, I investigated...

Resource Type:

Masters Thesis

Full Text:

organisms must cope with varying environmental conditions, particularly dry periods that pose a