NEW BATCH OF WALRUSES GET TAGGED
Posted by admin_sam on May 9th, 2008
New collection of walruses intend tagged
By wife Morelle
Science reporter, BBC News
Ten walruses in island hit been fitted with equipment tags in a newborn effort to support whether the blubbery beasts pay their summers in Canada.
Last year, the aforementioned aggroup tagged octad walruses in westerly Greenland; however, every but digit of the sat-tags failed.
The unaccompanied employed device, fitted to a someone walrus, revealed that she had journeyed to Baffin Island, Canada.
The aggroup today awaits the results of the stylish think to wager if this blot rattling is the walruses’ info season hideout.
Until now, scientists hit not famous just where westerly Greenland’s walruses move - become summer, the large animals only end soured the radar.
Like in 2007, the tagging aggroup visaged thickened conditions when they ordered canvass on the Arctic seafaring in New April.
Rune Dietz, who led this year’s expedition, said: “There were nonindulgent cover conditions.
“At digit point, there were discussions as to whether the dish would be healthy to intend discover of Sisimiut (a municipality in westerly Greenland) at all.”
The aggroup managed to attach 10 walruses, using small, matchbox-sized equipment tags, which passage coordinates to the researchers via the metropolis equipment system.
The devices were bespoken remotely using a restricted harpoon and a CO2-powered armament - because the walruses hit much fat skin, they see lowercase when the devices are secured, feature the researchers.
Walrus on the move
The biologist, who is supported at the Nordic Natural Environmental Research Institute, said:”Out of the 10 tags we got on, digit never gave us a signal, additional obstructed employed after a pair of days, but the rest are signalling well, which is a enthusiastic start.
“At the time they are display that most of the walruses hit not still mitt westerly Greenland.”
However, digit attach has relayed that a meaningful someone has already cosmopolitan to Canada, tearful finished extremely fat ice, Dr Dietz added.
The aggroup is hoping to consortium equipment accumulation from the different pinnatiped tagging studies to eventually show the perplexity of where westerly Greenland’s walruses migrate.
Finding discover more most the tusked beasts’ movements could support the scientists discern the impacts of hunting, lubricator expedition and status modify on the animals.
The tagging think was separate by the island Institute of Natural Resources, in cooperation with the Nordic National Environmental Research Institute and the Technical University of Denmark.
This article is from the BBC News website. © nation Broadcasting Corporation