NORTHWEST SCIENTIFIC ASSOCIATION

NORTHWEST SCIENCE 2020 ANNUAL MEETING: CORONAVIRUS (COVID-19) INFORMATION

Due to the COVID-19 outbreak in Pacific Northwest, and in the interest of protecting public health and safety, the NWSA Board has decided to cancel the in-person 2020 Annual Meeting in Eugene, March 24-27th. 

If you have registered for the meeting, registration payments will be refunded in total, via the payment method used.

A Letter from the NWSA President

We strongly encourage people to become familiar with the current CDC prevention guidance.

WELCOME TO NWSA ONLINE!

Mission Statement: We are a network of professional and amateur scientists from diverse disciplines that provides support and a forum for research and education relevant to the environment and resource management of northwestern North America. To accomplish our mission, the association publishes a quarterly journal, convenes an annual scientific meeting, and awards student research grants.

Since 1923, the NWSA has existed for the purpose of promoting scientific research and disseminating scientific knowledge. Our annual meetings are held throughout the Pacific Northwest and provide an opportunity to share recent findings and foster collaborative interactions.

NWSA publishes four issues of Northwest Science each year. A peer reviewed journal, Northwest Science is an outlet for original papers on wide ranging topics in the natural sciences, including anthropology, aquatic biology, botany, ecology, fisheries, forestry, geology, geography, hydrology, soils, wildlife biology, and zoology. The geographic scope of Northwest Science is the northwestern United States and western Canada.

LATEST FROM THE JOURNAL

Members should click here to access Northwest Science on BioOne.org.

NORTHWEST SCIENCE 93(3-4)
TABLE OF CONTENTS

Announcements

Articles

Toxicity to Douglas-fir Tussock Moth and Foliar Concentration of Individual Monoterpenes in Douglas-fir Following Fertilization in Thinned Stands – Amy D. Lockner, Stephen P. Cook, Mark Kimsey, Armando G. McDonald, and Terry Shaw

Short-term Stream and Riparian Responses to Beaver Dam Analogs on a Low-Gradient Channel Lacking Woody Riparian Vegetation – Matthew R. Orr, Nicholas P. Weber, Wesley N. Noone, Megan G. Mooney, Taiontorake M. Oakes, and Heather M. Broughton

Exploiting the Winter Trophic Relationship between Weasels (Mustela spp.) and their Microtine Prey as a Survey Method for Weasels in Meadow Ecosystems – William J. Zielinski, Mark A. Linnell, Michael K. Schwartz, and Kristy Pilgrim

Age Distribution of Red Tree Voles in Northern Spotted Owl Pellets Estimated From Molar Tooth Development – Chad A. Marks-Fife, Eric D. Forsman, and Katie M. Dugger

Simple Guidelines to Prepare Forests for Global Change: The Dog and the Frisbee® Klaus J. Puettmann and Christian Messier

Changes in Primary Producer and Consumer Communities in Response to Upstream Nutrient Addition in the Kootenai River, Idaho – Gretchen O. Kruse, Bahman Shafii, Genevieve M. Hoyle, Charlie Holderman, and Paul Anders

Genotypic Diversity and Host-Specificity of Frankia Bacteria Associated with Sympatric Populations of Alnus rubra and Alnus rhombifolia in OregonMehmet A. Balkan, Nathan U. Stewart, Emily S. Kauffman, Emily R. Wolfe, Daniel J. Ballhorn

Book Reviews

The Blues – review by Patrick Pringle

The Behavior and Ecology of Pacific Salmon and Trout: Second Edition – review by Ryan Bellmore

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