Search Results for "observe"
Sandra O’Neill, Contaminants in salmon We’ve heard that S and N residents are both eating mostly Chinook. Why are the southern residents more contaminated than the northern residents? Contaminants in fish are determined by: where they live what they eat how long they are exposed how fat they are Chinook and Coho have elevated [PBDE] [...]
8:35 John Ford, resident KW foraging ecology What may have caused the simultaneous declines in the N and S residents during the late 1990s? Nutritional stress? We compared expected and observed births and deaths, where expectations were based on period of unlimited growth (’73-’90). There were two phases of increased mortality in adult/juvenile fe/males: late [...]
14:55 Val Veirs giving Marla’s talk on “Vocal Compensation in SRKWs” Background noise levels had mean of 110.1 DB +/- 4.1; range 98-123dB Call source level: mean of 55.3dB +/-7.4 dB Lombard effect in SRKWs is present; ~1dB increase in S1 call source level for every 1dB increase in ambient noise level ambient noise increases [...]
Here we are in mid-February, a couple weeks into the blackmouth opening in the Salish Sea, and WDFW is opening up recreational fishing for spring (winter?) Chinook running in the Columbia [see today's email announcement below]. This makes me wonder where the southern residents are at the moment and what the run timing looks like [...]
A panel presentation about a 2-week journey in 2008 in which YSI probes and GPS units were carried by traditional canoes . They observed a low dissolved oxygen area around the San Juan archipelago. Web site Plans for 2009: interpret wrt physical oceanographic models (e.g. currents) continuous monitoring by moorings depth profiles from chase boats [...]
Andrea Copping, Chief Leah George-Wilson, Richard Beamish, Mary Ruckelshaus, Joel Baker Richard Beamish: State of the Salish Sea (Richard Beamish) Warming trends over last 30yrs in Strait of Georgia [SoG] (steady) and Puget Sound (slower) Decline in % early marine survival of Coho from 15% down to 1% since 1996 (entrance to SoG through Sept [...]
Humans value interacting with killer whales. There are many ways to observe them, learn and wonder about them, and ultimately help protect them: observe them from land by traversing The Whale Trail; watch them on webcams at the Center for Whale Research or Race Rocks; listen to them with live hydrophones in their summer home [...]
One of the most remarkable behaviors of the southern residents is the “greeting ceremony” in which two groups of orcas line up facing each other and then mingle together. This article describes a similar “ceremony” acoustically and visually (video; photo gallery), and then discusses whether it may have been related to a “greeting,” a “goodbye,” [...]
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