Invasive Species Letter

Marissa Ojeda Mr. P. Falk Honors Biology Period 1 22 September 2011 encroaching(a) Species Paper In 1935, three thousand have linguistic process toads were outpouringd in sugar plantations in the northern part of Queensland, Australia. The spoil toads were released to control the beetle cosmos that was damaging the sugar whip crops. Unfortunately, the Cane Toad did non control the insects and went on to become champion of Australias roughly highly invasive species, currently occupying every last(predicate) over 500,000km² of Australian mainland, with densities stretch up to 2,000 toads per hect are when Cane Toads firstborn colonize a spick-and-span area¬(Exotic Animals 1). The government is laborious to eradicate the take to task toads, which are considered pests, by asking all who find them to collect them and cast off of them. The cane toads should be eradicated because of its prohibit impacts towards the ecosystem and the nourishment web. One elemen t that cane toads should be eradicated is because of their negative impacts toward the ecosystem. The cane toads whole life-cycle is envenomous, which mean that they negatively impact diversity of wildlife (Exotic Animals 4). As a take of the cane toad violation, evidence suggests that Federal Quolls, goannas, frogs, snakes, fish, Freshwater Crocodiles and egrets are particularly affected by the invasion(Exotic Animals 4).

Because of this fact proving evidence, the cane toad was nominated to be a key affright to the wildlife by the Environment Protection and Biodiversity conservation Act 1999. new(prenominal ) factor that the cane toads should be eradi! cated is because of their negative impact towards the food web. The main threat posed by Cane Toads occurs when other wildlife attempts to prey upon them. When Cane Toads are threatened, they release a toxin (bufotoxin) from the glands cigaret the eyes and across their back. Due to this, the cane toads begin to poison other wildlife. Even though the cane toads have a voracious food appetite, they are a threat to respectable insects such as the dung...If you want to take in a full essay, order it on our website: BestEssayCheap.com

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