April 22, 2010


Carbon, nitrogen link may provide new ways to mitigate pollution problems

A new study exploring the growing worldwide problem of nitrogen pollution from soils to the sea shows that global ratios of nitrogen and carbon in the environment are inexorably linked, a finding that may lead to new strategies to help mitigate regional problems ranging from contaminated waterways to human health.

. . . While the vast majority of nitrogen gas is abundant in the atmosphere, it is nonreactive and unavailable to most life, said Townsend. But in 1909 a process was developed to transform the nonreactive gas into ammonia, the active ingredient of synthetic fertilizer.

Humans now manufacture more than 400 billion pounds of fertilizer each year -- much of which migrates from croplands into the atmosphere, waterways and oceans -- creating a suite of environmental problems ranging from coastal "dead zones" and toxic algal blooms to ozone pollution and human health issues.

University of Colorado at Boulder - www.colorado.edu/news
21 April 2010
Photo Credit: C Cass/University of Colorado

Bat die-off could have disastrous effect on ecology

Some of the most common bat species in the Northeast are on the verge of extinction.

That's the grim assessment from wildlife biologist Jenny Dickson as White-Nose Syndrome continues into its fourth year of spreading its deadly reach further into hibernating bat populations. No sign of letup or antidote is in sight.

The speed with which the disease is decimating bat populations that once numbered in the millions is without comparison to any other wildlife decline in recent memory, Dickson said, and is likely to cause ecological changes that could affect agriculture, forestry and other wildlife.

The Day - www.theday.com
21 April 2010
J Benson
Photo credit: C Kocer/DEP wildlife division

Sea lion dies after rescue effort at Golden Gardens

A sea lion found washed up on the beach at Golden Gardens park in Ballard Sunday died Monday night, despite efforts to rescue the animal.

"It's very sad, after all the heroic efforts. There was such hope," said Brenda Peterson of the volunteer group Seal Sitters, which first found the animal and alerted fish and wildlife experts.

The male California sea lion, believed to be underweight, was brought to a state fish and wildlife facility in Lakewood, Pierce County, Monday night awaiting transfer to Tacoma's Point Defiance Zoo. But the sea lion died overnight Monday.

Seattle Times - seattletimes.nwsource.com
20 April 2010
L Mapes
Photo credit: TS Warren/AP
Location: Golden Gardens Park, Seattle, Washington, USA - Map It


More Marine Mammal News
>>> Baby whale dead in Bay [Location: San Francisco Bay, California, USA - Map It ]
>>> Beached whale's stomach found to be full of fresh trash

Photograph credit: Henrik Carl/Natural History Museum of Denmark

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Browse complete Digest publication library here.

Journal of Wildlife Diseases - April 2010
Volume 46, Number 2

Global programme for the prevention and control of highly pathogenic avian influenza - Third Report - October 2008–December 2009
Food and Agriculture Organization [full-text available]

Conservation Maven Newsletter
April 14, 2010

USFWS Endangered Species Bulletin - Spring Issue
International Wildlife Conservation [pdf] [p1-p19] [p20-p52]
Volume 35, Number 1

Behavioural effects of cadmium (Cd) in free-living willow ptarmigan (Lagopus lagopus)
European Journal of Wildlife Research. 2010 Apr; 56(2):141-150
HC Pedersen et al.

Human-Wildlife Interactions - Spring 2010
Volume 4, Issue 1