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Wild cats: why cats have become invasive species in Australia? What disasters did cats bring to Australia?

Cats are a kind of companion pets that have been widely raised, but in Australia, it has become an invasive species that everyone shouts.

By 孙小明Published 12 days ago 4 min read

Cats are a kind of companion pets that have been widely raised, but in Australia, it has become an invasive species that everyone shouts.

This has caused many environmental problems. When did cats introduce Australia? What disasters did cats bring to the Australian environment and animals? What measures did Australia take to remove wild cats? These issues need to be discussed in depth.

The reason why cats become invasive species in Australia

Cats are animals with very strong fertility and strong adaptability, and they can survive in various environments. The reason why cats become invasive species in Australia lies in their introduction. The earliest introduction to Australia was brought by the first batch of immigrants in 1788.

They bring cats to control the number of mice and other small beasts. However, because cats are not local Australian species, they have seriously affected the survival of local species in the natural environment of Australia.

Cats caused by the cats and animals in Australia

Theoretically, cats can control the number of mice and other beasts, but in Australia, cats bring more disaster than these benefits. The cat's breeding speed is very fast, and a pair of adult cats can breed nearly 700 offspring within only 3 years. As a result, the rapid growth of wild cats has become a threat of many animals.

(1) Threat of local wild animals

Australia is a country with a very rich biological diversity. It has many rare animals and plants, but these species are endangered because of the invasion of wild cats.

According to data from the Australian Environmental Protection Agency, wild cats can kill at least 30 million birds each year, as well as unknown small mammals and reptiles. Wild cats have caused 22 creatures in Australia.

The hunting behavior of wild cats in Australia pose a threat to the survival of many local wild animals. For example, the original balanced and stable animal communities such as bags and puppets have continued to decline due to the hunting of wild cats, which seriously affects the stability of the ecosystem.

(2) Invoicing the environmental impact

Wild cat's invasion in Australia not only threatened local wildlife, but also had a devastating impact on the environment.

Wild cats have become a "top predator" on the food chain, which makes them become vertical predators on the food chain. Although this method of controlling beasts can work in the short term, the wild cat brings to the ecology. The negative effects gradually surfaced.

When wild cats hunt other animals, they will also cause great damage to the environment. They will destroy the habitat of wild animals during the predation process and cause the loss of biodiversity. When the wild cat is not met, the vegetation will also destroy the vegetation and exacerbate the environmental degradation.

What measures did Australia take in order to remove wild cats

Due to the serious threat of wild cats and the stability of the local biological diversity and ecosystems, the Australian government has made a lot of efforts to control the number of them. The following are some practical measures:

(1) Electronic monitoring

Australian scientific research institutions use micro -electronic devices to monitor physical sensory monitoring of wild cats. This technology can record the time and location of free wild cats to eat and move through the anal thermometer on the wild cat orange neck, so as to better understand the range of wild cats.

(2) Hunting

Relevant departments purchased satellite images from the space department, combined with drones and infrared photography equipment, accurately target the position of wild cats, and then sent professionals to kill them.

Using this method, Australia successfully reduced the number of wild cats. However, this method has also been criticized by some environmental protection organizations, and believes that this approach is too cruel.

(3) Control reproduction

Because the number of wild cats is extremely fast, the control of the number of wild cats needs to be controlled. The government curb their breeding speed through sterilization, contraception and other methods of wild cats.

This is a gentle method that does not cause excessive damage to the wild cat, and can protect the order of the ecosystem.

Why are many animals flooding in Australia

Australia is a country with a high variety of species, but therefore also the introduction and diffusion of non -local species. These migrant species have no natural enemies in the ecosystem of Australia, so it is easy to reproduce and occupy the ecological position, resulting in a decline in the number of local species.

In addition, human activities have also led to the diffusion of foreign species, such as transportation, tourism and trade. Some common foreign species include rabbits, cats, dogs, pigs, ants and dandelions.

These species have caused certain destruction and pressure on the Australian ecosystem, so the Australian government has adopted a series of measures to control and clear these foreign species.


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