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Spatial Analysis Discussion Group

Southeast Alaska Environmental Conference

Using Beaver to Restore Streams


Spatial Analysis Discussion Group

Spatial Analysis Discussion Group (SADG) presentations will be held the first Tuesday of every month September 2014 – April 2015 (with a break in January), 12:00-1:00 pm.

New Venue!  We will hold meetings this fall-winter at the Juneau downtown public library, in their large meeting room (just to the right as you enter the library).

Thanks to all who have volunteered to present!! First at bat will be Julie Neilsen and Andrew Seitz (UAF), who will school us in the world of analyzing halibut movement (September 2nd). Mark Riley (USFS) will highlight the utility of ifSAR-based DEM data for vegetation mapping in southeast Alaska (October 7th). Jason Waite (ADF&G) will present a method for estimating animal (wolf and marten) densities in a spatially explicit manner (November 4th). And Dave Gregovich (ADF&G) will introduce us to processing and analysis of raster data in the R environment (December 2nd). We have more speakers lined up for 2015, information on their talks will be shared soon!

Talks will generally be 30-45 minutes, with time at the end for further discussion. We will have snacks available, but people are encouraged to bring their lunch if they desire.

See below for further details.   You can also see the details on The Spatial Analysis Discussion Group webpage, sponsored by UAS.  To subscribe to meeting announcements and other GIS News and Events at the Southeast Alaska GIS Library, please their website at

Date: September 2nd, 2014

Title: Net Squared Displacement analyses: a new model selection framework for analyzing and categorizing animal movement patterns.

Presenters: Julie Nielsen and Andrew Seitz, UAF School of Fisheries and Ocean Sciences

Abstract: Researchers are able to obtain increasingly detailed information on the movement of many species thanks to advances in electronic tagging technology such as GPS and satellite tags. However, advances in development of methods for analysis of animal movement data have not been as rapid. We introduce a new framework for the analysis of animal movement data that is based on the Net Squared Displacement (NSD) statistic, which is derived from random walk theory. This simple analysis framework, which was developed during the study of moose migration in Scandinavia, allows the characterization and analysis of animal trajectories in terms of behavior such as migration, foraging, or home range occupation. In this talk, we will describe this new analysis method and provide examples of its application for the analysis of human and Pacific halibut movement in Alaska.


Southeast Alaska Environmental Conference


Central Council Tlingit & Haida Indian Tribes of Alaska (CCTHITA) in partnership with Chilkat Indian Village, Craig Tribal Association, Douglas Indian Association, Organized Village of Kasaan, Petersburg Indian Association, and Sitka Tribe of Alaska will host the annual Southeast Environmental Conference, September 8-12, 2014 at the Vocational Training & Resource Center in Juneau.

The Southeast Environmental Conference brings together Southeast Tribes, natural resource professionals, and other interest groups within our region to learn about and address common environmental priorities. This year’s conference will provide participants with information and training on transboundary mining, climate change, harmful algal blooms, herring, tribal conservation districts, and brownfields sites.

Click here for conference flyer.

Click here for draft agenda.

Click here for registration form.


Using Beaver to Restore Streams

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Thursday November 20, 2014 To Be Rescheduled - Stay Tuned

Using beaver to restore streams is rapidly gaining acceptance as a cost-effective technique to improve aquatic habitat, especially for salmonids. Regulatory and institutional obstacles are being reduced or removed as scientific advances continue to demonstrate that beaver can restore stream habitat far more effectively, and at a much lower cost, than many traditional stream restoration approaches.  Join us for an intensive 1-day workshop symposium for the beta release of a state-of-the-science manual regarding the use of beaver to restore streams. The workshop will be interactive with the audience as we walk through the manual and describe its use to facilitate the restoration of streams. We will provide assessment tools for determining how, where, and when to use beaver in stream restoration. Also included will be a discussion of the regulatory process and how to maximize the probability of successfully obtaining permits.

Michael M. Pollock, Ph.D.Chris E. Jordan, Ph.D.Janine Castro, Ph.D. Gregory Lewallen
Ecosystems AnalystMathematical EcologistFluvial GeomorphologistGraduate Student
NOAA FisheriesNOAA FisheriesUS Fish & Wildlife ServicePortland State University
NWF Science CenterNWF Science Center& NOAA Fisheries


ACRC Fall Semester Brown Bag Lecture Series

The Alaska Coastal Rainforest Center (ACRC) is hosting a Brown Bag Lunchtime Lecture series every Wednesday of each month. It will take place from noon—1pm at the new Forestry Science Lab adjacent to the UAS campus. The brown bag lunchtime speaker series is meant to be an informal avenue for master’s students, PhD candidates, faculty and professionals to present new and existing projects, brainstorm ideas and have the opportunity to receive feedback in an informal setting.  We invite all interested persons to join us to learn about the research projects and collaborations that are happening in Southeast Alaska.

Coming Soon!


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