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Search Results for: foraging
NOAA’s search & tag cruise embarks
Last update — 3/2/2012, 10:00 Brad Hanson and his colleagues from the Northwest Fisheries Science Center, including Marla Holt and Dawn Noren, embarked today (2/16/12) from Newport, OR, aboard the NOAA ship Shimada (MMSI 369970147) to search for southern resident … Continue reading
Explosive Condit dam removal: more Columbia salmon on winter menu?
Kim Pokorny of the Oregonian reports progress on cleaning up the White Salmon River, a tributary on the lower Columbia, in preparation for an October 26 explosive removal. This is good news for future foraging by southern resident killer whales … Continue reading
Posted in BR-rss, dam removal, RSS-shared, Salmon, Southern resident natural history
Tagged columbia, condit, white salmon
Ruckelshaus suggests whale watchers be more precautious
Today Tacoma’s News Tribune offers a story about the imminent issuing of new rules for watching southern resident killer whales. This story confirms Donna Darm’s recent mention of the regulations being currently under review at OMB. It remains to be … Continue reading
Posted in BR-rss, noise, policy, vessel interactions
L pod in SF Bay
I love this quote from a spokeswoman from the Marine Sanctuary outside of San Francisco Bay where L pod was observed foraging last week: “It’s nice they’re showing up, but it’s too bad there’s not enough food for them up … Continue reading
CA chinook on upward trend
During the last few weeks as portions of J and K pod (strangely split up into unusual associations) have traveled around Puget Sound, I’ve been wondering where L pod (not the L12s) has been since they were last sighted with … Continue reading
Posted in Uncategorized
Marine acoustics talks in Victoria (live blog)
This week the Canadian Acoustical Association is running a conference on marine and environmental sound (abstracts). Below are notes from talks that relate to the southern resident killer whales, presented in near-real-time. 9:00 Keynote: The Marine Soundscape and the Effects … Continue reading
Posted in Uncategorized
NOAA vessel rules rejected at Seattle Aquarium
<More photos> Just back from the meeting in which NOAA invited the public to comment on the proposed rules for vessel-orca interactions. Before a captive audience of Pacific salmon and rockfish, the 2.5 hours of public comment was dominated by … Continue reading
Posted in policy, Sustainability, vessel interactions
Tagged boat, boat noise, regulations, vessel, vessel interactions
Prey relationship talks
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 … Continue reading
PCB bioaccumulation model for Puget Sound
Jeff Stern Mapping C flow through the food web can help us understand trophic strucure and species interactions and ass feeding guilds and which species may be most at risk from bioaccumulation. Our model is a steady state partitioning (Arnot … Continue reading
Persistent organic pollutants in killer whales
Persistent organic pollutants as chemical tracers for Puget Sound marine biota, Gina Ylitalo Chemical tracers can be used to determine geographic ranges. Persistent organic pollutants (POPs) like PCBs and PDBEs in Salish Sea herring (3 yr old males collected ’99 … Continue reading