More than 660 invasive alien species have been discovered in China, how harmful are alien species?

Updated on society 2024-06-22
24 answers
  1. Anonymous users2024-02-12

    For the natural environment, although we humans are the most advanced organisms on the earth, but many organisms actually have a lot of situations that we can't imagine, especially the invasion of organisms, which can simply make a place directly collapse the ecological chain, which is not a joke, so people will also be confused that more than 660 species of invasive alien species have been found in the country, how harmful are alien species? This is indeed very significant, and let's analyze the natural disasters in a region, especially in detail.

    1: The great harm of agriculture:

    First of all, let's use an example to tell you, when it comes to lobsters, everyone must like to eat, and lobsters are usually very expensive, but we heard that a place in Guizhou actually catches lobsters for free, and even can catch 200 catties of lobsters in an hour, which makes us unbelievable, but the fact is that this is because this place in Guizhou has been invaded by lobsters, which is an alien species, the speed of reproduction is too fast, and there are no natural enemies, even the local people have no way, I can't finish eating.

    2: Planting is also a big influence:

    And we must know that for any agriculture, planting is very important, and the resources and environment of the soil are very critical, and the nutrition of the soil is limited, these alien species continue to expand, and there are no natural enemies, the growth of the number is unimaginable, so the objects of these nutrients are directly divided in large quantities, and these planted plants do not have enough nutrients at all, and naturally cannot survive.

    So more than 660 invasive alien species really sound like a very scary thing, but the world is like this, even if we humans are the most advanced creatures on the earth, with a lot of scientific and technological fields, but these problems are also difficult to solve, the best way is to eat them, but there are some alien species that can't be eaten at all, lobster scavengers and the like are okay, and others are not.

  2. Anonymous users2024-02-11

    It may eat our food, and it may also have a very serious impact on our human body and bring a lot of viruses.

  3. Anonymous users2024-02-10

    The harm is very large, often occupying the living environment of the original organisms, leading to the reduction or even extinction of native organisms, and the number is overflowing, there are no natural enemies, causing pollution to the local area.

  4. Anonymous users2024-02-09

    The harm is very large, and this foreign life is likely to carry some viruses, and it is likely to threaten people's health and life, and it is likely to cause harm to some environments and crops.

  5. Anonymous users2024-02-08

    Alien species are very harmful, because they will disturb our existing ecosystem and cause great harm to the organisms in our country, so we must put an end to the invasion of alien species.

  6. Anonymous users2024-02-07

    It is particularly large, first of all, it will damage the ecological environment, and it will also endanger human health, and then it will also damage the soil and the atmosphere.

  7. Anonymous users2024-02-06

    After the invasion of alien species in China, it may be due to the lack of natural enemies. There will be no restrictions on the reproduction of alien species. As a result, the living space of native species is compressed and the local ecological balance is destroyed.

  8. Anonymous users2024-02-05

    The number of invasive alien species in China is on the rise, and the hazards of invasive alien species are as follows.

    In recent years, the invasion of alien species has been increasing and has become the biggest threat in the world. According to the 2020 Communiqué on the State of China's Ecology and Environment, there are currently more than 660 invasive alien species in China. Among them, 71 species have posed significant threats, and 219 species have entered national nature reserves.

    The harm of these alien species mainly lies in their rapid reproduction, multiplying their numbers, and due to the lack of natural enemies, they often become new dominant species in the local area, which poses a great threat to local biodiversity and ecological security, and will also cause irreparable damage to the ecological environment.

    Water hyacinth has the effect of purifying water quality, but due to the higher density of water hyacinth, it will reduce the exchange of water and air, resulting in a decrease in the dissolved oxygen content in the water, which will lead to the death of organisms in the water.

    In addition, because water hyacinth is rich in heavy metal elements, if it is not timely, its heavy metals will be released, which will cause certain pollution to the water body. Heavy metals are not easy to dissolve in water, and it is difficult for the human body to be excreted after drinking this water.

    In addition, the fecundity of water hyacinth is very strong, if not treated in time, once the growth rate of water hyacinth accelerates, it will not only affect the flow of river water, but also cause pollution of river water.

    Goldenrod canadensis is known as "overlord flower" because of its cold and drought tolerance and large number of seeds. In a suitable climate, Goldenrod canadensis has an average of more than 1500 inflorescences, each of which produces 10-15 seeds with a germination rate of 43%.

    A Canadian goldenrod can produce more than 20,000 seeds every year, which flutter in the wind and spread easily. Especially when natural plants are destroyed, these organisms can quickly occupy all the ecological space.

  9. Anonymous users2024-02-04

    Due to the rapid reproduction rate and geometric progression, some invasive alien species are very harmful, and due to the lack of natural enemies, they often grow into new native dominant species, which seriously damages the local biodiversity and ecological security, and also causes serious biological pollution and irreversible damage to the ecosystem.

  10. Anonymous users2024-02-03

    Alien species will lead to complete destruction of the native ecological environment, and alien species have no natural enemies, which will lead to the encroachment of native organisms and the breakage of biological chains.

  11. Anonymous users2024-02-02

    Because invasive alien species often have no natural predators in the local ecological environment, this reason can lead to their continuous growth and reproduction, and they may also become natural enemies of other organisms, which can have a devastating impact on these organisms.

  12. Anonymous users2024-02-01

    It has caused serious harm to the local ecological environment, and is likely to threaten people's lives and safety, and at the same time, the local ecological environment has been damaged, and crops and vegetation have been damaged to varying degrees, and it is also likely to damage some buildings.

  13. Anonymous users2024-01-31

    Invasive species have no natural predators in the local area, so they reproduce very quickly, and will eat some local species, destroy the ecological environment, destroy the local species diversity, and pose some threats to human life.

  14. Anonymous users2024-01-30

    It will destroy the biological chain of our country, because once these invasive species are put into the natural environment, they will seriously damage the natural environment, and it will also lead to the extinction of some species.

  15. Anonymous users2024-01-29

    The invasion is very harmful to the local ecological environment, because we don't know its natural enemies for the time being, so there is no way to catch it, and it is easy to cause damage.

  16. Anonymous users2024-01-28

    Introduction: The natural ecological environment of each region has a complete biological chain, and the invasion of alien species is likely to lead to the disconnection of the original perfect biological chain. If the biological chain is broken, the ecological damage is very serious, China has now found more than 660 kinds of alien species, these alien species have a very large impact on our ecological environment.

    3. Don't release animals at willThe reason why there are so many invasive alien species is that on the one hand, they are intentionally introduced, and on the other hand, some people deliberately release them. Some people buy some alien species in the pet market, and then release these species in Xinjiang, this random release has caused damage to the ecosystem, and there is also a way to send species from abroad by mail, which are not allowed.

  17. Anonymous users2024-01-27

    It will destroy the local ecological circulation system, and it will also affect other local animals, it will also damage the environment, and it will also damage crops and affect the normal life of human beings.

  18. Anonymous users2024-01-26

    After the invasion of alien species, there will generally be a phenomenon of rapid mass reproduction without natural enemies, and in serious cases, it will destroy the local natural ecological environment and affect the survival of local acoustic species. Sometimes it will affect the interests of farmers and lead to economic losses.

  19. Anonymous users2024-01-25

    Alien species can destroy the local ecosphere, and once the ecological balance is destroyed, huge natural disasters can occur.

  20. Anonymous users2024-01-24

    This kind of foreign invasion is very strong in attack power, and has a certain degree of toxicity, which is easy to threaten people's lives.

  21. Anonymous users2024-01-23

    The danger of invasive alien species is that because they are alien creatures, we do not know their natural enemies, so there is no way to check and balance, which causes them to reproduce very quickly.

  22. Anonymous users2024-01-22

    Invasive organisms are exotic organisms that are not native to the country. To put it simply, it is the organisms that enter later that adapt to local life and reproduce in large numbers. Their invasion has upset the original ecological balance of the local area, damaged the local biodiversity, and brought fatal disasters to the ecosystem!

    These alien species all have similar characteristics of "no natural predators, strong fecundity, and strong adaptability"!

    According to the 2019 Communiqué on the State of China's Ecology and Environment released by the Ministry of Ecology and Environment, more than 660 invasive alien species have been discovered in China.

    To be honest, the current case is "eating" is the most perfect solution, those foreign countries spend a lot of manpower and financial resources, but it is only not a cure, if there are fish that slip through the net, it is only a matter of time before alien species make a comeback!

    Many countries have encountered the problem of biological invasion, and the following is an in-depth introduction to the harm caused by biological invasion through a few typical cases.

    Crayfish Regarding the ** of the crayfish, some people say that it escaped from an American cargo ship, and some people say that it was deliberately put by Japan as a creature**. Before the invention of spicy crayfish in China, almost no one in the world dared to eat this creature due to its tenacious vitality and scavenging habits.

    Thanks to the "iron teeth and copper teeth" of the Chinese, the end of this invasive species is that one eats one and two eats a pair. Spicy, thirteen spices, and minced garlic take turns.

    Fushou snail Fushou snail is very harmful to agriculture, it will eat rice seedlings and affect the harvest of rice; Coupled with the lack of natural predators in the local area, the Fushou snail is rampant and has become a major species hated by farmers.

    In short, the dangers of biological invasions should not be underestimated.

    The transmission routes of alien species are also diverse, in addition to natural ways, human beings take the initiative to carry is also a very important reason, some people are hunting, in order to raise pets, and some people are for eating and selling, however, no matter what the purpose, it is best to understand the habits before income, and do not discard some unknown attributes of the creatures at will, such as the Brazilian turtle we are familiar with, once it is "released", it will bring great damage to the local environment, do not do something self-righteous "good deeds".

  23. Anonymous users2024-01-21

    Invasive alien species can often bring harm in a variety of ways, and these hazards are complex and varied. In general, the hazards of invasive alien species include impacts on waters: blocking waterways, clogging canals, affecting irrigation and drainage, and affecting seawater exchange.

    Effects on human health: induce hay fever, paralyze the central nervous system. Impact on agriculture, aquaculture, etc.:

    Endangering farmland, animal husbandry, fisheries, destroying coastal habitats, threatening native fish, endangering aquatic product breeding, affecting the tidal flat environment, and threatening sericulture. Impacts on native plants: destroying landscapes, crowding out native animals and plants, disturbing ecological balance, pathogen hosts, leading to disorderly hybridization, affecting natural forest restoration, community species simplification, allelogen inhibitors, releasing toxic and harmful substances, nibbling plants, infecting plants, suffocating plants, crowding out plants, hollowing out tree trunks, pest hosts, inducing red tides, etc.

    In fact, invasive alien species are much more harmful than that.

  24. Anonymous users2024-01-20

    In the past, when I was studying biology, I often didn't understand what invasive alien species were. I don't understand how the invasion of alien species will affect the ecological environment of our country. But as you get older, you get more insightful.

    Therefore, we also have a deep understanding of the extent of damage to China's ecological environment caused by alien species.

    Alien species can cause rapid and large damage to the ecological environment. For example, the snail snail, which can be found everywhere in rice fields, is extremely fertile, adaptable, and environmentally destructive. They have a very wide variety of food, which can be rice in rice fields or aquatic plants in water.

    Basically there is nothing they don't eat. But even more terrifying is their fecundity, as pink ball-shaped snail eggs can be seen on the stones in the field, and soon these eggs can hatch. A new wave of environmental destroyers will emerge.

    Alien species are extremely fertile-producing and have no natural predators. Why is it that even in China's ecosystem, where there are already many kinds of organisms, the ecological balance has not been broken? Because there is a natural food chain, there are many kinds of natural predators in the middle and lower strata.

    Although they are highly fertile, they are bound by natural predators, and their numbers are also restricted.

    But these alien species are different, they have no natural enemies at all after they were introduced into our country, and coupled with their reproductive speed. It will soon become a large ethnic group.

    The presence of alien species can affect the survival of native organisms. When these alien species are introduced, they quickly destroy the local ecological environment and compete with native organisms for food. As a result, the population of native organisms is suppressed. If it is more serious, it will even become extinct.

    Everyone should be conscious of resisting the introduction of alien species. In the news, it can be seen that countless alien species are detected from the customs every year, and some of them are deliberately done. And some are carried unintentionally by those who have no intention.

    Therefore, everyone should understand the hidden dangers. Maintain the local ecological environment of the country.

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