ApocaDocuments (6) for the "Species Collapse" scenario from this week
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Sun, Mar 15, 2009
from Wiley - Blackwell via ScienceDaily:
Human-generated Sounds May Be Killing Fish
Anthropogenic, or human generated, sounds have the potential to significantly affect the lives of aquatic animals - from the individual animal's well-being, right through to its reproduction, migration and even survival of the species. According to a new study marine animals could suffer detrimental effects ranging from a loss of hearing to increased stressed levels as a result of environmental noise - in ways not dissimilar to humans and land animals. The study also describes some recent well-controlled experimental studies while highlighting areas for future study.... "The detection of the auditory scene plays a critical role in sound detection - along with the detection of communication signals. Anything in the environment that alters the organism's ability to detect and analyze its auditory scene has the potential to cause a detrimental impact on the life of the animal as well as the survival of the species". ...
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One way or another... we're gonna wipe 'em out!
ApocaDoc
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Fri, Mar 13, 2009
from Toronto Star:
Unstoppable beetles to kill every city ash tree
Toronto's ash trees could be gone in as little as 10 years, killed by an unstoppable beetle that is spreading rapidly across the province, the city's forestry czar says.
"It's the elimination of a genus from this part of the continent, which is absolutely staggering," said Richard Ubbens, the city's director of urban forestry. "It will wipe out all ash trees."
The emerald ash borer beetle, a shimmering blue-green insect native to parts of east and central Asia, has been eroding the ash population of the northeastern United States and southwestern Ontario for years. Larvae eat serpentine pathways just beneath the bark, which slowly cut off the flow of water and nutrients within the tree; death may take years...."There's no point in even trying anymore to eradicate it," Ubbens said of the beetle, noting that by the time an infestation is noticeable, the tree is beyond saving. ...
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These badboys sound absolutely demonic!
ApocaDoc
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Wed, Mar 11, 2009
from Telegraph.co.uk:
Garden birds suffer worst breeding season
... Only the reed warbler managed a slightly better than average breeding season.
And the blackbird, great tit and song thrush saw their productivity drop by more than 30 per cent, with the thrushes witnessing a fall of 38 per cent in the number of young they managed to rear.
The CES monitoring is undertaken using mist nets to catch and ring the birds for periods during the breeding season at 120 sites in the UK and Ireland, comparing the number of juvenile birds with adults to analyse breeding success.
Last year's problems followed on from 2007's low productivity, with seven species suffering their worst breeding season to date in the wake of the wettest May to July on record. ...
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I so wanted to have a songbird's music to accompany this posting. But I couldn't find it.
ApocaDoc
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Tue, Mar 10, 2009
from CBC News (Canada):
Low salmon run expected on Yukon River again this year
"There was no commercial fishery, no domestic fishery, no sport fishery either. And we had a voluntary reduction in the First Nations fishery as well," Frank Quinn, the department's area manager for the Yukon, said Monday.
Early-season projections are calling for another poor salmon run this year. Quinn said he expects fishing restrictions will be as tough as they were last year, if not tougher.
Quinn said contractors have been hired to speak to people in villages on the Alaska side of the Yukon River, to "let them know that there will be serious conservation measures needed to be taken this year and to allow them to prepare for that." ...
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Who's the Saint of Fishes and how do I pray to him?
ApocaDoc
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Mon, Mar 9, 2009
from Register-Herald (WV):
Global warming forcing shift in migratory pattern
Scientists for the National Audubon Society say "new and powerful" evidence compiled over the last 40 years suggests that nearly 60 percent of the 305 species of birds that winter in North America are shifting their ranges northward due to the impact global warming has on their ecosystems. According to a news release by Audubon officials, their scientists analyzed citizen-gathered data from the past 40 years and concluded the birds have shifted their ranges to the north by an average of 35 miles since 1968.
"Movement was detected among species of every type, including more than 70 percent of highly adaptable forest and feeder birds," the release said.
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Go North, young bird.
ApocaDoc
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Mon, Mar 9, 2009
from Mongabay:
Seven new species of deep sea coral discovered
In the depths of the Papahanaumokuakea Marine National Monument, which surrounds ten Hawaiian islands, scientists discovered seven new species of bamboo coral. Supported by the National Ocean and Atmospheric Administration (NOAA), the discoveries are even more surprising in that six of the seven species may represent entirely new genus of coral.
"These discoveries are important, because deep-sea corals support diverse seafloor ecosystems and also because these corals may be among the first marine organisms to be affected by ocean acidification," said Richard Spinrad, NOAA's assistant administrator for Oceanic and Atmospheric Research. ...
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"Discovered" just in time to be lost.
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