Monday, March 27, 2023
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More infectious diseases and more drought: This is how it affects us that there are fewer and fewer animals in the world


The Living Planet 2022 report collects the studies elaborate about trends in biodiversity global and the health of planet. According to data from WWF (World Wildlife Fund) has registered a 69% decline in wild species populations since 1970.

For this reason, the biologist Miguel Rodríguez-Esteban has explained why the loss of biodiversity is increasing in recent years. In the first place, to understand what is happening, it is necessary to take into account that the advance of climate change feeds back the loss of biodiversity the global scale. In such a way that the increase in temperatures and droughts not only affects humanity, but many plants have had to increasingly shorten their life cycles due to lack of water. And many are affected by it. insects that feed on your nectar. These shortenings greatly decrease the probability of reproductive success. The same happens with amphibians, since they depend on the water from ponds and rivers to develop: “it is becoming more and more difficult for them because the water runs out sooner”, explains the biologist.

In short, “the deregulation of cycles very suddenly due to dysregulation of the climateleads to a reduction of the number of species”, he stresses.

What factors cause the loss or decrease of biodiversity? The human being is causing a reduction very significant with “the alteration of the habitatsthe overexploitation of natural resources, the pollution or the introduction of invasive alien species”, he explains. However, there is also the factor change climate which has always existed “and will continue to exist, even though we are no longer here”. The lost of biodiversity is something that is in constant change, but that by uniting with the factor human increases the speed of these changes.

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