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Tree planting (trees, shrubs, grasses) should be planted in the groundwater recharge area (alluvial fan in front of the mountain), and the root system of arbor growth should be used to loosen the Gobi strata, which is conducive to the surface water recharge of rainstorm runoff and snowmelt water runoff to replenish groundwater, the spring water overflow zone and the alluvial plain area are mainly irrigated farming areas, and the desert area is mainly divided into alluvial plains and basin bottoms, due to the poor water permeability of clay, far away from the groundwater recharge zone, the water inflow is small, the groundwater storage is small, and the desert can only be planted with shrubs (Saxony) and psammophytes (Psammophyte ice grass), Only shrubs and grass plants can be used for sand fixation, dust prevention and mechanical sand fixation and dust control (grass squares, etc.).
Groundwater recharge projects should be intensified to prevent ineffective evaporation.
Use desert water (aerated water, soil water) to plant shrubs and grasses in the desert.
Desert trees should be planted in ultra-sparse and not in patches.
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Natural conditions are not enough to support the survival of a certain creature, this is the norm. Tropical rainforests are also not suitable for many temperate tree species; The best farmland also doesn't grow crops on its own. Adapting biodiversity to environmental diversity is a basic strategy for life.
The "short barrel" effect of the environment, as well as the interconnection and even transformation between various factors, have left a number of "windows" between artificial stem and the environment, and artificial can "pull out thousands of pounds" to supplement the gap between the environment and life. This is the artificial evolution of life after the evolution of the body and the evolution of the community.
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As the name suggests, you can only plant trees where they can grow. The edge of the desert may not have been a desert before, but the land could have been planted with trees. But it's hard to say after this area becomes a desert, moisture and bad weather become the biggest limiting factors for tree survival, and even if it does, it is likely to become the kind of situation you said, trees die within a few years after consuming groundwater, and the groundwater level drops, and the improvement of the climate by small forests should not be able to keep up with the speed at which the environment becomes drier, so planting trees is not worth the loss.
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The trees in the desert are like water pumps. The desert water table is constantly being drained. Then the trees died, and the shrub vegetation that relied on groundwater slowly died as well. The single species diversity of afforestation leads to a significant decrease in resistance stability, and pest outbreaks are over.
If the grass is grass, if the sand is sand, if the forest is the forest. Don't drain the groundwater in the desert area because of production and life.
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As a person who grew up on the edge of the desert, desert afforestation is not to turn the desert into an oasis, but to control the spread of the desert, the desert spreads very quickly, and I often go to a farm to work and learn agriculture in elementary school, and it spreads about 20 meters in six years, and I see a house half-buried in the desert. This is still a place where there is water and trees.
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Planting trees, to be precise, planting trees, is no longer a question of whether it should be planted or not, it is already necessary to plant and not to plant. There are more than 4,500 forest farms in China, the vast majority of which are state-owned forest farms. Theoretically, the forest farm is self-financed, and except for the salaries of the leaders in the establishment, which are allocated by the state, the other personnel have to rely on the business income of the forest farm.
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Of course it should be, some people always calculate that the precipitation is not enough, and what is wrong with draining the groundwater... You must know that natural organisms also have their own set of ecological regulation, for example, trees have transpiration, a large forest will naturally become a climate, and the climate is convection, which will also drive the air flow in farther areas. It's just that a few trees that don't have a climate can't resist nature and can't form a climate on their own.
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I have never believed that desertification control is for the sake of the earth, but for the safety and convenience of human life. When we talk about desertification control, we should not simply judge what method to use, but we should balance the interests of the people living in the local area, for example, the easiest way to control desertification in Horqin is actually to ban grazing and breeding, but we can't do this, which will make the lives of the local people and the control of desertification in embarrassment.
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Whether or not to plant trees depends on the historical precipitation in the desert area. Desert areas with an altitude of no more than 1,500 meters and a historical precipitation of not less than 400 mm can be planted with trees to green the desert, such as the Kubuqi Desert and the Horqin Sandy Land.
In the sand area less than 400 mm, artificially watered trees can also be used as a barrier zone, and shrubs and grass seeds in the sand area can be used to fix sand in the zone. For example, the desert on the south bank of the Hetao, the desert in Ningxia, and the desert in the Shaxi corridor
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Planting trees in the desert also depends on the location. Desert precipitation is dozens of mm, long trees rely on groundwater, poplar forests are inseparable from the periodic floods of inland rivers, and extremely drought-tolerant plants such as Suosuo will die if the groundwater is too low. But the enormous role of these trees cannot be denied at all.
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My opinion: First of all, we should find out what kind of desert it is, some deserts that have been formed naturally for many years, and have formed a complete and stable ecosystem, and we should not intervene artificially for the sake of politics. In addition, artificial afforestation can be considered, but we must pay attention to the selection of multiple tree species, the combination of trees, shrubs and grasses, and it is absolutely forbidden to create a large area of pure forest.
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For the primitive desert, you don't need to consider tree planting for the time being, after all, this is also an ecological environment, but for the man-made desert, it is still necessary to plant trees to restore.
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In fact, this kind of problem, large climate types. Temperature and humidity, grass, shrubs, trees, progressive. Development takes time, stick to the foundation and do it first.
Let's talk about how to plan and govern the Gobi Desert in the north of the west. Areas that cannot be governed can only be adapted to local conditions. Let future generations deal with it, or hold the foundation for 100 years.
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Man-made is not as good as heaven, and human race is not as good as heaven, so let it be. Human beings don't know what trees to plant, and pine trees can't be planted in the desert. It is the law of the earth for people to retreat from the sand and trees, and where human activities are too excessive, draw protected areas and prohibit human beings from entering.
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If the earth is not formed, there will be deserts, if not the desert will be added to the formation, such desert tree planting is called ecological restoration, and the amount of rainfall will naturally increase after planting trees into forests. An oasis everywhere.
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To control the desert, we should start with sand fixation to reduce evaporation, and we can build a road network framework, fill a large number of industrial areas, build wind and photovoltaic facilities, and move a large number of inland industries to the desert area to form cities.
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Adapting measures to local conditions; Trees should be trees, irrigation should be irrigated, grass should be grass, natural restoration is the mainstay, artificial planting is supplemented, so that nature can choose and eliminate.
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If you don't live next to the desert and don't understand the situation, you won't be qualified, and you shouldn't plant trees, just wait for the desert to expand rapidly.
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Plant trees on the edges of the desert to control the spread of the desert first. And then expand the results according to the conditions.
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Trees should be planted, otherwise desertification will intensify!!
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Where there is plenty of groundwater, there is greenery, and deserts have little water, and transpiration, which exacerbates droughts.
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It is necessary to adapt measures to local conditions, the principle of adapting trees to suitable places, change land to suitable trees, and carry out desert afforestation.
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The forest is the one that should be built, and the cost is very important. As long as it does not affect people's livelihood, the finances can afford it!
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Are deserts good for humans? If not, human beings have the ability to change him
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Planting trees has the effect of sand fixation, water storage, temperature regulation and wind blocking, do you say it should be planted?
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If the desert is not afforested, will the entire northwest become a desert?
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It should be combined with tree planting and breeding
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If you have enough precipitation, you can plant it. Not enough, no.
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The first person to plant trees in the desert was Zhang Xiwang. Since 2002, Zhang Xiwang has been planting trees in the desert for 15 years, and today, his team has planted more than 20,000 acres of trees in this desert.
Kubuqi Desert in September.
The heat is still hot. In the afternoon, a tall, swarthy man stood on the side of the road, waiting for a bus carrying journalists from all over the country to come from a distance. He once appeared in CCTV public service advertisements.
Zhang Xiwang, a villager of Dugui Tara Town, is an advanced typical figure in local desertification prevention and control.
The town of Dugui Tara is located on the edge of the Kubuqi Desert, which was once all desert. Now here the poplar forest.
As far as the eye can see, groups of trees are lined up in a straight line, and the green gives the illusion of being in the south.
Changes after afforestation in the desert.
Zhang Xiwang said that before 2010, sandstorms.
It takes three days and two days to scrape, and now it's three or five times a year; In the past, there was basically no rain in a year, but now it rains once a month from time to time; Trees have been planted, there are more birds, and there are foxes, "this is the harmonious development of man and nature," Zhang Xiwang happily concluded.
Being able to participate in improving the ecological environment, Zhang Xiwang feels that he is doing something very meaningful. As he said, everything must be done steadfastly, Zhang Xiwang after "popular" is not greedy, every year in the enterprise bidding, he is in accordance with his own ability to do the work, "a year a footprint in the heart of the heart."
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Second, the growth environment of the Shuttle tree has a lot of planting experience shows that the plants planted in the desert are generally native plants, these plants have grown in the desert for many years, and have been suitable for the desert environment, such as the Shuttle tree, flower stick, Populus euphratica These plants are more common plants in the desert of our country, so the survival rate is relatively high after planting. In addition, the trees of Saxon Shuttle, Flower Stick, and Populus euphratica are relatively resistant to high temperature and evaporation, and at the same time grow very vigorously, and can survive in deserts or saline-alkali land. Therefore, it is very suitable for planting in the desert area of our country.
3. In my opinion, I think it will take decades or hundreds of years for the desert to restore the ecological environment through afforestation, so it will take generations to plant and maintain it unremittingly. I really admire those who plant trees, it is their persistence that allows us to see the green mountains and clear waters, see the subtle changes in the environment, and sincerely hope that our country has green mountains and clear waters and a beautiful environment.
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Deserts can certainly be restored through afforestation. Singles tree, Buddha belly tree, red skin sand jujube, bubble fruit sand jujube, long spike willow, shallot.
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Of course, it can be restored through afforestation. You can plant grass first, then poplars, junjun trees, sea buckthorn, elm, fir, etc., and trees can survive well in harsh conditions.
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Yes, at this time, it is necessary to choose some trees with good cold tolerance, such as poplars, and you can also choose poplar forests, and then you can also choose Shuttle trees, which can achieve the effect of changing the ecological environment.
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Legal Analysis:1The state adopts policies of encouragement and support for afforestation.
2.For afforestation in impoverished areas, the state shall compensate and subsidize the return of farmland to forests in areas that are not suitable for planting crops.
3.The State encourages private contracting of deserts, grasslands, and barren mountains for the construction of forest farms. Preferential policies such as tax reductions and exemptions, low-interest loans, etc.
Legal basis: "Land Management Law of the People's Republic of China" Article 2 The People's Republic of China implements the socialist public ownership of land, that is, the ownership of the whole people and the collective ownership of the working people.
Ownership by the whole people, i.e. ownership of state-owned land is exercised by *** on behalf of the state.
No unit or individual may occupy, buy, sell, or illegally transfer land in any other form. Land use rights may be transferred in accordance with law.
The State may, for the sake of the public interest, expropriate or expropriate land in accordance with the law and provide compensation.
The State implements a system of paid use of state-owned land in accordance with the law. However, the State shall not allocate the right to use state-owned land within the scope prescribed by law.
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It can be restored through afforestation, but the recovery period is particularly long, because the desert desertification is particularly serious, and there are many difficulties in planting, and most of the roots are based, so there is no way to survive a lot of plants.
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It can be restored through afforestation. It takes at least 1 or 2 years to recover, because during this period of time, the trees can grow well.
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Yes, in fact, it will take about 10 years to recover, and many methods have been developed to help the development of green plants in the desert.
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Located in the middle of the Tarim Basin in Xinjiang, the Taklamakan Desert is the largest desert in China, and the entire desert is about 1,000 kilometers long from east to west and about 400 kilometers wide from north to south. In addition to the vast desert area, there is also a terrible place, and that is that it will move with the wind, so the area of the desert will get bigger and bigger. In order to control the desertification of the land, it was decided to plant trees on the Taklamakan Desert to improve the desert environment.
Despite the success of the Mu Us Desert, the average annual precipitation in the Taklamakan Desert is less than 100 mm, and the average evaporation is more than 25 times that of precipitation. Such an environment is not conducive to the growth of plants, but ** did not give up, investing $100 million a year in planting forests. Thanks to the efforts of the Chinese, 130 kilometers of poplar trees were planted on the edge of the Taklamakan Desert, and a Taklamakan road was built in the middle of the poplar forest.
In fact, we might be thinking, why would we do such a big project in the desert? In fact, our country has a long-term program for desert greening. "First, planting poplars can grow in arid areas, adapt to the environment of the Taklamakan Desert, prevent wind and sand, and thus improve the natural environment of the desert. The second is the protection of the Taklamakan Highway.
This is the only road in the Taklamakan Desert that not only solves the transportation needs but also allows people to come here to enjoy the view of the desert.
The Taklamakan Highway has now been transformed into a different landscape. Many people who love cycling choose to come here. A man rides slowly in the desert, enjoying a brief period of solitude and solitude and picking himself up again.
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