Search Results for: lat

Orcasphere library revamped

Theses and grey literature related to southern residents can be hard to find and share.  The Orcasphere library eases your pain by providing such documents in PDF format.  Recent additions are the theses of Sara Heimlich-Boran and  Monika Wieland.  Other … Continue reading


1986: Feeding ecology of the killer whale (4.4Mb) “Feeding ecology of the killer whale (Orcinus orca)” by Fred Felleman. A Masters thesis (177 pages) from the School of Aquatic and Fishery Sciences, University of Washington. 1988: Association patterns and social … Continue reading


Theses Masters and PhD theses related to orcas and their ecosystem(s). 2002: Do orcas use symbols? (208K) An online treatise by Howard Garrett positing that the theory of symbolic interactionism may help account for the divergent and complex cultural traditions … Continue reading

Live blog: Bill Ruckelshaus on ecosystem based management

Notes on “Ecosystem Based Management – It’s now up to us” at the NOAA/NWFSC Monster Jam seminar.  Bill introduced the talk by discussing how 97% of Puget Sound residents feel obligated to pass on a clean marine environment to their … Continue reading

Live blog: Duwamish talk by Maclure at UW

Here’s my first attempt at live-blogging… 8:40-9:20 a.m. from the University of Washington’s Water Seminar. 8:40 Key findings of his and Lisa Stiffler’s investigation of the Duwamish estuary: Pollution is historic an ongoing; diversity is down; everyone is contributing to … Continue reading

List of near-real-time sensors in orca habitat

There is an increasing number of near-real-time sensors like webcams out in SRKW habitat. In an effort to keep abreast of these resources (as a community), you can now access and modify my list of favorite sensors for monitoring orca … Continue reading


You can collaborate within the Orcasphere in the following ways: Read, contribute to, and comment on the Orcasphere blog Join an email list related to killer whales: subscribe to OrcaEd — A list for educators who teach about orcas (educational … Continue reading

Super-pod at Battleship

Lat: 48 37.69N; Lon: 123 13.26W 1248 Making about 7kts toward Kellet Bluff. One of the frustrations of a sensitive hydrophone is that any abrasion of the cable against the hull of the boat results in quite a bit of … Continue reading

SRKW call frequency response to boat noise?

The field season is rolling, with all three southern resident killer whale pods “in the area,” and whale watchers packing all of our favorite boats. I’ve been hanging out with these animals for five years now, and for the first … Continue reading

$8B salmon recovery failure

This 60-Minutes story makes it clear that removal of the four lower Snake River dams makes fiscal sense to the American tax-payer.  As an oceanographer, however, I’m intrigued with how little seems to be known about how the salmon fare … Continue reading