The impact of pesticides on biodiversity։ Part 1

23 Jun 2020

The impact of pesticides on biodiversity։ Part 1

In recent years, the number of rodents and insect pests  has increased in Armenia and due to it  they started to  use pesticides in agriculture. The pesticides are used in agriculture and it can be a reason for serious problems for humans and animals.

The use of pesticides has a detrimental impact on humans, warm-blooded animals, birds, and useful insects. Unfortunately, the widespread use of chemicals has a negative impact on wildlife. Environmentalists around the world worried about animal deaths from pesticide poisoning, declining industrial animals after chemical events. One of the most dangerous is the pollution of the environment with pesticides․The accumulation of toxins in the body of warm-blooded animals contributes to chronic diseases and gradual death.

Worms are able to accumulate toxins in their body, which penetrate through the soil. The birds that feed mostly with worms get a lot of pesticides. They are Corvus frugilegus, seagulls, Cuckoos, True thrush etc. Predatory birds, that feed with rodents, such as Falcon, owls, and Buteos, are also die. There has been a massive decline of Turdus in America (M.S.Adamian, Daniel Klem, 1999).

A number of birds, such as sturnus have an important role in the destruction of locusts, often die from insecticides, feeding on poisoned insects. Hopop is a useful bird for agriculture and forestry, which sometimes dies too from poisoning.

A range of pesticides used to control insects and rodents have a devastating effect on steppe birds (Buteo rufinus, Falco naumanni), both directly and indirectly (M.S.Adamian, Daniel Klem, 1999)․

If the direct effect of pesticides can be prevented with special restrictions, then there are no acceptable solutions to limit their indirect effects! For example, The return of the Rosy starling or steppe eagle to the steppe area, without the ground squirrels and locusts, is practically impossible today.

                                                                        To be continued... 

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