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黄豆珵珵

已采纳

你好!就是发展失去了平衡,自理遇到了困难。公平赤字就是0

治理困境英文

280 评论(14)

小七-279928530

As of 2003 land desertification in China has 2.674 million square kilometers, accounting for 27.9% of the total land area, covering 18 provinces of the 471 counties. Caused by desertification every year in direct economic losses amounted to more than 540 billion yuan. And the rate of annual expansion of 3,436 square kilometers. According to reportsmanagement, by 2010, China will strive to achieve the basicwho can basically be governed. Then caused the causes of north-western region, accounting for 34.6% of land area. 80% of the land has occurred in varying degrees of desertification. Resulting in about the causes of desertification in China, Ma Wenyuan, researchers believe that, with increasingly frequent dust storms, desertification has drawn increasing attention. The continuous , deforestation, excessive grazing, excessive, indiscriminate exploitation of water resources and hunting, And while many factors are usually additive effect, making China's the growing trend of desertification. First, the abuse of Ken. Because of population growth and short-term benefits, many parts of the unplanned, uncontrolled for reclamation, weed cutting forests, but also not prepared soil and water conservation and ecological maintenance, leading to desertification, but also accelerate the desertification process in ecologically fragile areas, "opened a year pasture, RBI two years the amount of sand beams become three to five years, "occurs frequently. Second, deforestation. Because the main source of energy for the burning of arid areas of fuelwood, with the increase of population, residents cut down trees, and even used sand-fixing in the shelter were not spared. Third, and overgrazing. Because long-term overuse, such as desertification, Grassland overload rate of 50%, in part, I even up to 300%, not only caused large-scale grassland degradation, desertification, degradation of an annual rate of expansion of two or three Qianwan Mu, and grassland productivity than five decreased by about ten years on behalf of the 30% to 50%. Prairie "waist deep without the fifties and sixties did not hip, knee seventies and eighties did not ankle," the jingle vividly illustrate this dilemma. Fourth, excessive. Spring and autumn every year, the influx of large numbers of people in Inner Mongolia, Gansu and other exploitation of high economic value of licorice, seaweed and herbs, plus various types of large-scale deforestation, mining engineering weeding, removal of vegetation, resulting in large areas of forest, grassland desertification. Fifth, the abuse of water resources. As the Chinese way of irrigation, flood irrigation is still a serious waste of water resources, while the Northwest and North China drought, coupled with no rational allocation of water resources and management, excessive use of water upstream of the river, causing downstream water shortages, large areas of dead vegetation, land desertification . The local residents have over-grazing sheep, but also accelerates the grassland degradation, desertification rate, the current desertification area has reached sixty thousand square kilometers, to provide endless sources of sand dust storms; other use of water resources is not enough, a lot of exploitation of groundwater has resulted in ground vegetation withered, so large areas of dead ground vegetation, land degradation. VI hunting abuse. Economic value of wildlife-rich because of habitat destruction or by a large number of poaching, the number dropped, to maintain the ecosystem balance of the food chain imbalance, indirectly causing desertification. Such as the Qinghai vole was originally the hunting falcon eats a lot, due to a large number of stolen fishing, so that the proliferation of rodents, a large area grazed grassland, leading to desertification

329 评论(8)

青青园中葵me

这个我来说一下,举个例子,比方说我们的工厂已经生产了许多大型的拖拉机和机械设备,但就我们现在的农村现状,农户的经济条件根本买不起,土地不连片也用不上,这叫发展失衡。要想治理,从而解放出大量的农村劳动力,就得加大扶持力度,成立合作社,土地连片,将大型农业机械投放到位,这就有可能出现财政赤字。

267 评论(14)

社区人员

By 2003, China desertification of land has 267.4 square kilometers, accounting for land area of 27.9%, involved in 18 provinces of 471 counties. Every year because of the direct economic losses caused desertification as 5.4 billion yuan. And every year by 3436 square km speed expansion. According to introducing, China has over 10% of the desertification of land, by 2010, China will strive to realize basic curb land desertification expansion trend. By 2020, China will achieve the whole land desertification reversal, By the year 2050, strive for to everyone who can the to-be-transformed desertification of land has been basically governance. So the reason of the problem caused desertification in China where, China what measures were taken to control? China MaWenYuan prevention-oriented expert researcher in accepting the strait sound of radio said in an interview on earth, desertification is the most common form of land degradation, known as "the earth of cancer." Earth happened about the potential scope of desertification 5170 square kilometers, accounting for approximately 40% of the world's land area, including desertification of land for 3620 million square kilometers. The potential scope of Chinese desertification happened about 330 million square kilometers, spread all over China's northeast, north and northwest regions in western China, accounting for land area of 34.6%. About eighty percent of the land has occurred different degree of desertification.In talking to a Chinese land desertification reason, MaWenYuan researcher thinks, with the increasingly frequent sandstorm, land desertification and has attracted people's attention. Desertification expanding, in addition to climate change factor outside, main is unreasonable, mainly caused by artificial activities can be classified into "six abuse" - erected entreated, denudation, abuse of animal husbandry, excessive mining, exploitation of water resources and the illegal hunting, and is usually a variety of factors at the same time effect, make China's bonus to land desertification trend widening.A, excessive entreated. As the population growth and short-term benefit drive, many local unplanned, outrageous for reclamation, chop Lin, and not ready to weed soil and water conservation and ecological maintenance work, causing desertification, more accelerate ecological fragile areas desertification process, "one year open pastures and two rbis quantity, three to five years become sand beams" conditions occur frequently.Second, denudation. Because in arid areas main energy for combustion firewood, with the increase of population, residents massive lop trees, even to the shelter forest for windbreak and sand-fixation has not been immune.Three, abuse of animal husbandry. Due to long-term off-gauge use, such as desertification area pasture ChaoZaiLv achieve 50%, in part I even up to 300%, not only cause grassland degradation, desertification area, every year by 230 million acres of degraded grassland productivity, and speed expansion than the 1950s drop about 30% ~ 50%. Grassland "1950s, 1960s didn't waist deep hip, not in the 1970s and 1980s knees ankle" ShunKouLiu image not to explain this predicament.Four, abuse of mining. During the spring and autumn every year, a large number of personnel, gansu influx of inner etc mining with high economic value licorice, fractionation and Chinese herbal medicine, add various mining engineering area, destroying the vegetation, deforestation weeding caused great forest, the grassland desertification.Five, the exploitation of water resources. Because China is still in the waters semi-spread way irrigation, serious waste water, while in north and northwest, plus the lack of rain water not reasonable allocation and management, river water, water shortage caused by excessive downstream, large area vegetation die, land desertification. But local residents and more excessive herding sheep, accelerate the pasture degenerate, desertification speed, currently desertification area has reached six million square kilometers, provide endless sand dust storm, Another due to the use of water, groundwater over-extraction enough, they also lead to ground vegetation die, ground vegetation so large death, land degradation.Six, the illegal hunting. Rich economic value of wildlife habitat destruction or been because of poaching, dropped drastically, make maintaining ecological balance system of chain imbalances, indirectly caused desertification. Qinghai originally designed to eat such as rats after the saker very much, because of massive stolen catch, make mouse inundation, bedding face accumulates eating grassland, causing desertification.

236 评论(12)

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