發(fā)布時(shí)間：2018-06-15 03:53

  本文選題：土地資源承載力 + 相對(duì)資源承載力　； 參考：《青海師范大學(xué)》2017年碩士論文

【摘要】：土地資源是人類生產(chǎn)生活的重要場(chǎng)所,是其他資源賴以存在的基礎(chǔ)。資源承載力的研究是區(qū)域可持續(xù)發(fā)展的重要內(nèi)容,而土地資源承載力一直是資源承載力研究重點(diǎn)和核心。海東市地處青海省最適宜農(nóng)耕和人居的河湟谷地,是青海省主要商品糧和蔬菜、果品的生產(chǎn)基地。采用單要素評(píng)價(jià)法從城鄉(xiāng)建設(shè)用地面積與土地食物產(chǎn)出兩方面對(duì)海東市土地資源承載力進(jìn)行實(shí)證研究。首先分析了海東市的自然條件與現(xiàn)實(shí)發(fā)展情況,根據(jù)《海東地區(qū)土地利用總體規(guī)劃(2006-2020年)》中的城鄉(xiāng)建設(shè)用地規(guī)劃面積、2009-2015年海東市農(nóng)作物產(chǎn)量、牧業(yè)主要產(chǎn)品產(chǎn)量,運(yùn)用灰色系統(tǒng)GM(1,1)模型預(yù)測(cè)了海東市及各區(qū)縣人口和海東市及各區(qū)縣未來15年主要食物所含的營(yíng)養(yǎng)成分。根據(jù)人均城鄉(xiāng)建設(shè)用地與人均所需營(yíng)養(yǎng)成分的標(biāo)準(zhǔn)劃分高、中、低方案,測(cè)算了基于現(xiàn)有生活水平的海東市2015、2020、2025年及2030年的城鄉(xiāng)建設(shè)用地承載力及土地產(chǎn)出承載力。最后根據(jù)木桶理論確定海東市土地資源承載力的限制因素,得到海東市土地資源承載力最終結(jié)果。同時(shí)選取2015年青海省與海東市的GDP和種植土地面積兩項(xiàng)指標(biāo),計(jì)算了海東市與海東各區(qū)縣的相對(duì)資源承載力。主要結(jié)論如下:(1)2015-2030年海東市與各區(qū)縣高、中、低方案下的城鄉(xiāng)建設(shè)用地承載力總體上處于富余狀態(tài),循化縣部分年份的低方案處于超載狀態(tài)。(2)2015-2030年海東市高、中、低方案下的土地產(chǎn)出承載力呈波動(dòng)下降的趨勢(shì),由富余狀態(tài)轉(zhuǎn)為超載狀態(tài)。民和縣、化隆縣、循化縣2015-2030年高、中、低方案下總體處于超載狀態(tài)。(3)土地產(chǎn)出承載力是海東市土地資源承載力的短板。(4)2015年海東市相對(duì)資源承載人口位居青海省第二,綜合承載力處于超載狀態(tài),土地資源對(duì)海東市綜合承載力的貢獻(xiàn)超過了經(jīng)濟(jì)資源。
[Abstract]:Land resource is an important place for human beings to produce and live, and it is the basis for other resources to exist. The study of resource carrying capacity is an important part of regional sustainable development, and land resource carrying capacity is always the focus and core of resource carrying capacity research. Haidong is located in the Hehuang valley, which is the most suitable for farming and human settlement in Qinghai Province, and is the production base of main commodity grain, vegetables and fruits in Qinghai Province. This paper makes an empirical study on the carrying capacity of land resources in Haidong City from the two aspects of urban and rural construction land area and land food output by single factor evaluation method. Firstly, the natural conditions and the actual development of Haidong city are analyzed. According to the planning area of urban and rural construction land, the yield of crops and main animal husbandry products of Haidong city from 2009-2015 to 2015 is discussed according to the "master plan of land use in Haidong area (2006-2020)". The population of Haidong City and its counties and the nutrient contents of main foods in Haidong city and counties in the next 15 years were predicted by using the grey system GM1 / 1) model. According to the standard of per capita urban and rural construction land and per capita nutrient composition, the paper calculates the carrying capacity of urban and rural construction land and the carrying capacity of land output in Haidong city in 20152020,2025 and 2030 based on the current living standard. Finally, according to the theory of wooden bucket, the limiting factors of the carrying capacity of land resources in Haidong City are determined, and the final results of carrying capacity of land resources in Haidong City are obtained. At the same time, the relative resource carrying capacity of Haidong and Haidong counties was calculated by selecting the GDP and planting land area of Qinghai and Haidong cities in 2015. The main conclusions are as follows: the carrying capacity of urban and rural construction land in Haidong City, Haidong City and all districts and counties in 2015-2030 is in a state of surplus in general, and the low scheme in some years of Xunhua County is overloaded. In Haidong City in 2015-2030, the urban and rural construction land carrying capacity in Xunhua County is high and moderate. The bearing capacity of land output under the low scheme is fluctuating and decreasing, from surplus state to overload state. Minhe County, Hualong County, Xunhua County, Xunhua County, 2015-2030 high, medium and low overall overloading status. 3) Land output carrying capacity is the short board of Haidong City's land resources carrying capacity. (the relative resource carrying population of Haidong City ranked second in Qinghai Province in 2015. The comprehensive bearing capacity is overloaded, and the contribution of land resources to the comprehensive carrying capacity of Haidong City exceeds that of economic resources.
【學(xué)位授予單位】：青海師范大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2017
【分類號(hào)】：F301.2

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本文編號(hào)：2020508