Retaining litter can effectively curb forest pests
From autumn onwards, the days are getting cooler and the litters are gradually increasing. A thick layer of litter covering the ground is a landscape that alternates between seasons. It is a ration of earthworms and other soil animals. It is a “quilt†for many insects and small animals for the winter and shelters for hiding and hiding. , but also "turn into spring flowers more protection." Therefore, there has been a constant call for the preservation of the litter of greenbelts.
Many people may not know exactly that keeping litter is actually a very scientific practice because it can effectively curb forest pests. Every time I see the urban greening staff clean the green space, I feel deeply saddened. Why has this kind of thanklessness been done?
When I traveled in the natural forest scenic area of ​​Changbai Mountain, I saw that in addition to a large number of litter trees in the forest, diseased wood, wind-folded wood, and dead standing trees can be seen everywhere. Because of the loose volcanic ash soil, many large trees are easily uprooted by the wind and fall to the ground. Many of them are big trees like pillars and pillars like palaces and temples, and it is better for bugs not to get out and sell money.
See us puzzled by this unconventional practice. The tour guide explained that: dead trees and litter support helped cause a forest fire, so the forest area spent a lot of manpower and material resources to clear them. Unexpectedly, this ignorance led to a large area of ​​insect pests in the forest, and the loss was far greater than the forest fire.
The reason is that the fallen branches and fallen leaves lose the anti-insect ability that plants should have due to their healthy life and are more vulnerable to pests. Pests have “rice†to eat and are easier to eat, which will greatly reduce the damage to young, healthy trees that are resistant to pests.
In addition, the holes that the pests shed on dead branches have become nests for natural enemies such as birds and ants, attracting more natural enemies. The degree of forest pests is exactly inversely proportional to the number of natural enemies such as birds and ants. There are many natural enemies, and there are fewer natural pests. It can be seen that dead leaves and fallen leaves can also play a role in maintaining ecological balance and curbing forest pests.
The grass and trees in the natural world, including dead branches and leaves, have the value and rationality of existence. People should respect nature and should not arbitrarily change nature. When you wipe out the litter on green islands, woodlands, and parks, do you think that you are also destroying the ecological balance and opening the door to aggravating forest pests and diseases in urban afforestation?
The urban afforestation has a strong artificial color, and the preservation of litter is an excellent way to increase its natural color and natural ecological attributes and it is worthy of serious consideration.
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