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Apr

15

2010
 
 

Order Diazepam




Scientists train endangered carnivores to avoid poisonous toads


Stack of books Order diazepam, Invasive cane toads in Australia have been killing off endangered marsupials called northern quolls, who can’t seem to help snacking on this toxic species. Acheter diazepam discount, So researchers have stepped in by teaching the quolls to associate the toads with sickness.


The team spiked dead cane toads with a chemical called thiabendazole and fed them to a group of northern quolls (Dasyurus hallucatus). Because the toads were small, osta alennus diazepam, Diazepam online cheap, the quolls survived the meal – but the chemical gave them a case of post-dinner nausea. These “toad-smart” animals were then released into the wild, order diazepam no prescription, Diazepam online kopen, along with “toad-naive” quolls that had not been given the thiabendazole treatment.


Five of the 17 toad-naive male quolls attacked cane toads and died, while only two out of 14 toad-smart males did the same, buy diazepam cheap, Order diazepam online legally, the team reports in the Journal of Applied Ecology. With the toad-smart training, diazepam online stores, West Virginia WV W.Va. , the daily survival rate increased from 58 to 88 percent in male quolls and from 84 to 94 percent in females.


The researchers envision that thiabendazole-tainted toad bait could be air-dropped into quoll territory to teach these marsupials a valuable survival lesson. And the technique could be applied to other endangered animals that are threatened by invasive species, they say, order diazepam. – Roberta Kwok

Source: O’Donnell, diazepam online, Georgia GA Ga. , S., Webb, ordering diazepam online cheap, Order diazepam, J.K., & R, where to buy cheap diazepam. Diazepam en ligne afin, Shine. 2010. Conditioned taste aversion enhances the survival of an endangered predator imperilled by a toxic invader. Journal of Applied Ecology DOI: 10.1111/j.1365-2664.2010.01802.x.

Image © Liliboas, iStockPhoto.com

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Filed Under Endangered species, Invasive species | Leave a Comment

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Jun

22

2007
 
 

Australia’s top dog



Dingoes control lesser predators and herbivores, protect native wildlife poor little chapDingoes Canis lupus dingo are a conservationist’s best friend in Australia, mounting evidence shows. In the current pages of Austral Ecology, a contemplative group of scientists, fronted by Al Glen at the Dwellingup Research Centre, Australia, argue for the effectiveness of the introduced canine in protecting the native fauna and even flora against the ravages of other introduced mammals. Smaller predators such as red fox Vulpes vulpes and feral cat Felis catus, together with pesky herbivores such as rabbits Oryctolagus cuniculus, fall under the dingo's influence. Yet despite numerous anecdotal benefits to Australia’s natural wellbeing, dingoes are still persecuted in parts of the country and have been almost completely wiped out in some areas. Glen and colleagues now call for systematic research into what the dingo can and can’t do for Oz’s embattled endemics. About time too. Source: Glen AC, Dickman CR, Soulé ME & MacKey BG (2007) Evaluating the role of the dingo as a trophic regulator in Australian ecosystems. Austral Ecology DOI: 10.1111/j.1442-9993.2007.01721.x Related story in Conservation magazine: The Conundrum of Biological Control: Weighing Urgency Against Uncertainty Image © Arnstein Berg

Filed Under Community-based conservation, Economics and conservation, Endangered species, Invasive species, Monitoring, Restoration, Socio-political issues | 1 Comment

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Mar

9

2007
 
 

Toxic toads hit turbo button



Cane toadInvasive species’ colonization rate accelerates in Australia As if the impact of introduced cane toads Bufo marinus wasn’t bad enough, comes the revelation that the rate at which they’re invading northern Australia is increasing. A group of University of Sydney biologists led by Ben Phillips recently published their alarming findings in Austral Ecology. The poisonous amphibians – which currently have no significant predators, yet lay waste to any native wildlife smaller than a red kangaroo (OK, perhaps that's a slight exaggeration :) ) – are moving at unprecedented speeds through the Northern Territory’s tropics. One individual radiotracked by Phillips’ team racked up a new anuran record, traveling almost 22 km in just 30 days. With the invasion front moving at such breakneck speeds, wildlife management authorities need to react fast to get the problem licked. Source: Phillips BJ, Brown GP, Greenless M, Webb JK & Shine R (2007) Rapid expansion of the cane toad (Bufo marinus) invasion front in tropical Australia. Austral Ecology DOI: 10.1111/j.1442-9993.2007.01664.x Image © Mike Carlson Related article in Conservation magazine: Evolutionary Tinkering

Filed Under Habitat, Invasive species, Monitoring | 1 Comment

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