Re: Animals 'hit by global warming'
- EU's Policy-makers Told to Help Wildlife Adapt to Climate Change NOW:
--- In ClimateArchive@yahoogroups.com, "Mike Neuman" <mtneuman@j...>
> Original Release:
> Full Report:
> --- In ClimateArchive@yahoogroups.com, "Mike Neuman"
> > Animals 'hit by global warming'
> > By Tim Hirsch
> > Environment Correspondent, BBC News
> > Climate change could lead to the extinction of many animals
> > migratory birds, says a report commissioned by the UK government.
> > Melting ice, spreading deserts and the impact of warm seas on the
> > of turtles are among threats identified.
> > The report is being launched at a meeting of EU nature
> > chiefs in Scotland.(Defra)
> > It says that warming has already changed the migration routes of
> > birds and other animals.
> > The UK's Department of Environment, Food and Rural Affairs
> > commissioned the research, which was led by the British Trust forcalled
> > Ornithology.
> > The meeting, in the Scottish holiday resort of Aviemore, was
> > to discuss ways in which wildlife might be helped to adapt toare
> > warming.
> > Times already changing
> > Scientists have already observed a wide range of changes in the
> > migration patterns of birds, fish and turtles, apparently in
> > to warming which has already taken place.
> > Some species normally associated with more southerly countries,
> > as the little egret, the loggerhead turtle, and the red mullet,
> > increasingly seen in and around the UK.winter
> > Wading birds such as the ringed plover are now spending the
> > the east of Britain rather than on the west coast, and chiff-
> > are remaining in the UK throughout the year rather than migratingsimply
> > south.
> > While many species have been able to adapt to new conditions
> > by moving their ranges further towards the poles, the study warnson
> > that this option is not available to other animals, such as polar
> > bears and seals whose habitat is disappearing rapidly with the
> > melting of Arctic sea ice.
> > Even subtle changes in sea temperature can have dramatic impacts
> > wildlife with rapid depletion of the tiny plankton organismswhich
> > form the base of the food web in the oceans.in
> > This is thought to have contributed to a recent drastic decline
> > the breeding success of some Scottish seabirds, as the fish online
> > they depend were suddenly deprived of food.
> > Some of the other threats from climate change identified in the
> > include:
> > Increased storminess damaging the breeding colonies of albatross,
> > already facing heavy pressure from accidental capture on long-
> > fishing hooksfor
> > Sea level rise destroying beach nesting sites for sea turtles -
> > example, nearly a third of beaches used by turtles in theCaribbean
> > would be lost with the rise anticipated during this century, andrange
> > seals and wading birds also face destruction of their coastal
> > habitats
> > Warmer seas could lead to some turtle species becoming entirely
> > female, as water temperature strongly affects the sex ratio of
> > hatchlings
> > Growing water scarcity in many regions could further destroy the
> > wetland areas on which migrating waterfowl depend.
> > The spreading extent of the Sahara desert could threaten long-
> > travellers such as the swallow, as they will be unable to "fuelup"
> > in previously fertile regions on the desert's edge.albatrosses
> > "Our changing climate is already affecting a wide range of
> > species," said Humphrey Crick from the British Trust for
> > one of the report's authors.
> > "They range from the swallow crossing the Sahara to the
> > of the southern oceans; but this report shows that the potentialand
> > impacts are really widespread.
> > "There is some scope for helping species adapt to climate change,
> > we need to find global solutions to help animals that swim, fly
> > walk thousands of miles each year."too
> > Too far, too fast
> > Nature has always had to adapt to changing climate conditions.
> > Indeed, it is one of the driving forces behind the process of
> > evolution which has produced the staggering variety of life on
> > But the fear is that the changes currently under way are simply
> > rapid for species to evolve new strategies for survival.and
> > Their options are also being narrowed by the rapid conversion of
> > ecosystems such as the draining of wetlands, felling of forests
> > development of coastlines - so if their existing habitats are hitto
> > global warming, there is literally no place to go.
> > The report has important messages for conservation officials
> > in Scotland for this meeting convened by Defra.
> > They are being urged to make more use of "biological corridors"
> > widen the options available to migrating species as climatechange
> > takes hold.
> > The whole approach to conservation may have to be radically
> changed -
> > the most perfectly-protected nature reserve could end up being of
> > little use if the animals breeding there face starvation because
> > have nowhere to migrate.
> > Story from BBC NEWS:
> > http://news.bbc.co.uk/go/pr/fr/-/2/hi/science/nature/4313726.stm
> > http://news.bbc.co.uk/2/hi/science/nature/4313726.stm
> > Published: 2005/10/05 23:03:43 GMT
> > © BBC MMV