For 30 years, the land lost 75% of the total biomass insects and start losing birds16 октября, 2021
In 2019, German scientists found that biomass of arthropods in its forests decreased by 40%, and the meadow lost two thirds. In the UK, the butterflies decreased by 46%, and some of their types have lost 77% of the population. On what is happening in the tropical forests in general, little is known. Birds already disappear behind insects — the population of insectivore birds of North America has decreased by 40%, and some species are 70%. If this process fails to stop, nature in the form in which we know it will not be able to function, warns the British biologist Dave Gowlson. At some point, natural eco-systems will appear one after another as Domino bones.
Few of the city’s inhabitants (and they make up most of the inhabitants of the planet) to the end understands how important insects are played in nature. They are necessary to pollinate wild flowers and plants, including crops, recycling of excrement, leaves and corpses, maintaining soil health, pest control and many other things. For birds, fish and frogs are the main source of food.
Over the past 50 years, due to the destruction of the habitat, the population of insects has already decreased by 75% and continues to decline. Biologists find this evidence constantly: in North America, the butterflies of the species of Danaida Monarch disappear, in Germany — forest and meadow insects, in Britain — Bumblebee and Bumblebee. Everywhere decreases the number of honey bees,
Insects constitute the bulk of the famous science of species. Some of the ants exceed a person in numbers million to one — so they die out imperceptibly. But when the chain reaction will come to birds and fish, it will be too late. The disappearance of insects from the food chain will be a disaster not only for wild animals — 80% of the population of the Earth, mostly residents of Africa, Asia, Oceania and South America, uses them in food.
According to estimates of the entomological society of Krefeld (Germany), which lead insect counting in the country, in 27 years, from 1989 to 2016, the total biomass of insects decreased by 75%. In 2019, another group of German scientists published their report, according to which the forests of Germany lost 40% of biomass of arthropods, and the meadow is two thirds.
In rural areas of Great Britain, the number of butterflies from 1967 to 2017 decreased by 46%. Some species, such as pearlings and taivats, lost 77%, despite the attempts to protect their habitat.
From 1966 to 2013 by about 40%
Gowlson, Professor of Biology at the University of Sussex, offers possible ways to solve this problem, has not yet been too late. For example, gardening cities and termination of the use of pesticides, the transformation of the food industry, the introduction of measures for the protection of rare species of insects and their habitats at the legislative level.
In the UN program drawn up this year
We tell about the most interesting news and technologies — from the upcoming total automation to alternative energy, from artificial intelligence to the future medicine.