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Search Results for "noaa"

Killer whales call louder as vessel noise increases


This clipping from the NOAA/NWFSC Marine Mammal Program shows that southern residents are increasing the source level of their S1 calls by about 1dB for every decibel increase of the ambient noise level. Counts of vessels within 1km of the hydrophone correlate with the ambient noise levels. While the ecological consequences of this behavioral change [...]

Blackmouth and blackfish in Seattle


J, K, and members of L pod have been down in central and south Puget Sound quite a bit thus far this November and December.  The nice sighting maps at Orca Network show they’ve been sighted as far south as Seattle and Vashon on 12/2 and 12/7.  In comparison, here are the days in past [...]

Groundfish conservation in Puget Sound


Live blog of a talk entitled “Managing Puget Sound’s Groundfish Resources from the Bottom Up“ by Wayne Palsson at NWFSC 11:00 Background/motivation 28 species of rockfish, but poor habitat maps (compared with spotted owls, say) Decline of groundfish like Pacific Cod in south Puget Sound has been prominent in last 10-15 years. Walleye pollock is [...]

Library


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 found in sympatric orca populations. (October, 2002; 15 page PDF.) 2005: Proposed conservation plan for [...]

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 children, but very few think there are any substantial problems with Puget Sound. 11:15 Puget [...]

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 the problem (e.g. run-off) Some chemicals lethal; some not (Cu not good for young salmon; [...]

InterACT


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 [...]

Orcinus orca: our neighbors with fins


The context: The best kept secret in all civilizations is that we are animals! We are medium-sized mammals, who just happen to have evolved the ability and the need to construct vast symbolic systems to define ourselves, and now we can’t see our way out of our own systems, so we fight each other to [...]

NOAA synopsis of 2006 SRKW symposium


The following synopsis of the 2006 SRKW symposium was published on April 08, 2006, at the web site of the NOAA Fisheries Service (Northwest Fisheries Science Center, author unknown): “The Center kicked off the 75th anniversary of the Montlake laboratory with an international orca symposium on April 3-5. “Southern resident killer whales are the most [...]