The treeless ecosystem of mosses, lichens, and berry plants is giving way to shrub land and boreal forest. As scientists study the transformation, they are discovering that major warming-related events, including fires and the collapse of slopes due to melting permafrost, are leading to the loss of tundra in the Arctic. By Bill Sherwonit During […]
By CARYN ROUSSEAUThe Associated PressWednesday, January 13, 2010; 8:24 AM CHICAGO — DNA from the invasive Asian carp has been found closer to Lake Michigan than ever before, the U.S. Army Corps of Engineers said Tuesday, renewing fears that the fish have breached an electrical barrier meant to keep them from reaching the Great Lakes […]
ScienceDaily (Jan. 13, 2010) — The poster child for sustainable fish farming — the tilapia — is actually a problematic invasive species for the native fish of the islands of Fiji, according to a new study by the Wildlife Conservation Society and other groups. Scientists suspect that tilapia introduced to the waterways of the Fiji […]
By PETER KERJanuary 13, 2010 MELBOURNE’S dams collected more water than the city needed in 2009, but it was a rare triumph for the old system at the end of a dire decade. Data released yesterday showed the decade between 2000 and 2009 was easily the driest on record for inflows to the city’s major […]
From Calculated Risk: The underlying details of the employment report are mostly weak. A couple of exceptions are the manufacturing diffusion index has increased significantly over the last couple of months (see below), and temporary help hiring has been strong (see previous post). Otherwise this report was grim: Average weekly earnings declined. Average weekly hours […]
By TOM ARUPJanuary 13, 2010 THE NSW Government has agreed to allow some of the floodwater finding its way into the Murray-Darling river system to flow through to the endangered Coorong wetlands at the mouth of the Murray in South Australia. The decision by the Premier, Kristina Keneally, yesterday comes after immense pressure from the […]
By BRIAN ROBINSJanuary 13, 2010 RISING average temperatures are reducing run-off into Sydney dams when it rains, putting the future of the city’s water supplies under a cloud. As a result, Sydney Water wants to operate the Kurnell desalination plant even when there are several years’ water supply in the Sydney dam network. Trials are […]
January 12, 2010 by Terry Devitt (PhysOrg.com) — As global climate change fuels more frequent and intense hurricanes and droughts, migratory birds, especially those whose populations are already in decline, will bear the brunt of such climate-fueled weather, suggest a pair of new studies. Writing in the December online issue of the journal Global Change […]
(University of California – Davis) California butterflies are reeling from a one-two punch of climate change and land development, says an unprecedented analysis led by UC Davis butterfly expert Arthur Shapiro.The new analysis, scheduled to publish online this week in the journal Proceedings of the National Academy of Sciences, gives insights on how a major […]
By Claire BatesLast updated at 8:02 AM on 23rd September 2009 These awe-inspiring images of glaciers are helping scientists to determine just how quickly our planet is heating up. The huge ice fields are thought to be one of the most reliable indicators of climate change and are best studied from space. The features form […]
