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contaminants Archive

Fraser pollution and sockeye decline


In this Globe and Mail article, yet another suggestion that exposure to in-river contaminants may be a factor in the survival of Fraser River salmon: Among the endocrine disrupting ingredients identified in the Fraser were industrial chemicals, pesticides, compounds with a carbon-metal bond, pharmaceuticals and “several estrogen-like compounds,” the report says. It states that data [...]

Fraser and Bristol Bay sockeye runs compared


This article regarding a proposed open-pit mine in AK has a few insights into the Fraser River watershed, including this assertion that could suggest foci for conservation actions: Mining, pulp mills, agriculture, forestry, roads and other development in the Fraser River watershed all cause water pollution and regular violations of water quality standards for copper, [...]

Orcas, Elliott Bay, and the Duwamish


A January 3 Seattle Times story entitled “EPA unveils options for Duwamish cleanup” makes me wonder whether southern residents would enter Elliott Bay more often if the salmon runs were restored to the Duwamish and Green Rivers.  In a few years of listening, we’ve not yet detected Southern Residents Killer Whales entering Elliott Bay enough [...]

Flushed chemicals reach orca habitat in less than 4 days


Live-blogged notes from a UW Water Seminar talk by Rick Keil’s student Brittany Kimball Spicing Up the Sound: Cooking Spices and Aberrant Chemicals in Puget Sound and How They Get There Sound Citizen collects water samples from around the region to understand the transport of common household chemicals from human sources into the marine environment.  [...]

Stormwater, salmon, and the health of Puget Sound


Keynote speaker at Sound Waters 2010 Dr. Nathaniel ‘Nat’ Scholtz, NOAA/NWFSC Coho salmon are our first choice for a ‘sentinel species’ because they: are widely distributed inhabit lowland steams that are important and familiar to humans and areas impacted directly by stormwater runoff (if we can reduce toxics in lowland streams, then we’ll likely keep [...]

$150k for transient orca skeleton education


This project could help raise awareness about the risk to SRKW recovery posed by persistent pollutants.  Congrats to Anne, Chrissy, and the rest of the PTMSC team! PTMSC awarded $150,000 grant from the Institute of Museum and Library Services for its Orca Project Port Townsend, WA—Thanks to a grant from the federal Institute of Museum [...]

Progress on Victoria sewage


Despite the outstanding questions about measurable impacts and cost/benefit ratios, this constitutes progress for the marine environment of the SRKWs. Does anyone have pointers to the independent reports mentioned in this article? clipped from seattletimes.nwsource.com Victoria to stop sending untreated sewage to sea Regional politicians last week approved a $1.2 billion plan to build four [...]

Contaminants in SRKWs


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] [...]

Contaminant deposition in NW National Parks


Dixon Landers 2002-2008 WACAP study ocused on high-elevation and remote systems with lakes as precipitation collectors.  We weren’t supposed to inform fluxes to Puget Sound, but we may have discovered that the snow that melts into our inland sea starts out contaminated!  Data sources are snow samples, sediment cores, fish samples, lichen, and water.  We [...]

Atmospheric deposition of POPS to Georgia Basin


Marie Noel PCBs are transported through the atmosphere in both gas and particulate phases.  In Great Lakes and Baltic Sea, the majority of aquatic PCBs come from atmospheric transport.  Transport from Asia to BC takes 2-10 days.  One sampling site at Ucluelet as reference for Saturna Island samples (gas (86% of PCBs, 63% PBDEs), particulate [...]