廣西耕地的質(zhì)量、生態(tài)、經(jīng)濟協(xié)調(diào)度評價
發(fā)布時間：2018-08-09 16:38
【摘要】：耕地的質(zhì)量、生態(tài)、經(jīng)濟協(xié)調(diào)度可以作為衡量一個特定區(qū)域內(nèi)耕地的利用水平的重要指標。研究區(qū)域耕地的質(zhì)量、生態(tài)和經(jīng)濟的協(xié)調(diào)度可以為規(guī)劃一個區(qū)域土地利用方式和水平提供科學依據(jù)。以廣西壯族自治區(qū)全境的耕地利用情況、耕地質(zhì)量、及以耕地為主要生產(chǎn)資料的周邊相關(guān)農(nóng)田生態(tài)情況和農(nóng)業(yè)經(jīng)濟情況為數(shù)據(jù)樣本,將廣西全境劃分為以梧州市為中心的桂東南丘陵區(qū)、以南寧市為中心的桂南沿海區(qū)、以柳州市為中心的桂中低平原河谷區(qū)、以百色市為中心的桂西巖溶山地區(qū)、以桂林市為中心的桂北山地區(qū)這五個指標區(qū),利用2013年廣西土地利用變更數(shù)據(jù)、2013年廣西統(tǒng)計年鑒等相關(guān)資料,基于耕地的質(zhì)量、生態(tài)、經(jīng)濟協(xié)調(diào)度評價體系,分別評價廣西這五個指標區(qū)耕地的質(zhì)量、生態(tài)、經(jīng)濟協(xié)調(diào)度,基于所得到的協(xié)調(diào)度結(jié)果分析廣西耕地空間布局的優(yōu)劣,并通過利用ArcGIS10.1中ArcMAP功能模塊繪制廣西境內(nèi)耕地協(xié)調(diào)度分區(qū)圖,以此為廣西基本農(nóng)田和耕地空間布局調(diào)整的基本方案提供科學依據(jù)。協(xié)調(diào)度的評價結(jié)果以協(xié)調(diào)度指數(shù)1到5的閉合區(qū)間為基準,1為最低值,5為最高值。研究結(jié)果表明：1.廣西西部巖溶山地區(qū)與廣西北部山地區(qū)耕地質(zhì)量、生態(tài)、經(jīng)濟協(xié)調(diào)度較低：廣西西部地區(qū)協(xié)調(diào)度指數(shù)為2.82,影響西部巖溶山地區(qū)協(xié)調(diào)度較低的主要原因是西部耕地坡度較大、耕地利用等別較低,土壤質(zhì)地不適宜耕種,水資源十分缺乏以及在耕種過程中水的過度利用和浪費,而西部地區(qū)的農(nóng)業(yè)經(jīng)濟效益較高,城市的發(fā)展速度水平有利于開發(fā)農(nóng)業(yè)生產(chǎn),因此西部地區(qū)可以考慮從節(jié)水、提高耕地質(zhì)量的途徑來提高原有耕地的利用率,一方面注重保護原有耕地,另一方面不能以耕地為由限制發(fā)展。影響北部山地區(qū)協(xié)調(diào)度較低的主要原因是耕地坡度較大,利用等別較低；廣西北部地區(qū)協(xié)調(diào)度為2.32,但北部地區(qū)土壤質(zhì)地良好,適宜耕種,這一區(qū)域現(xiàn)存我國規(guī)模最大的景觀梯田,這種高山地區(qū)的種植方式有極大的景觀價值和生態(tài)意義,應該給予重點保護,而對于坡度特別大、利用等別特別低的耕地可以不作為基本農(nóng)田保留。2.廣西中部低平原河谷區(qū)一級廣西東南部丘陵山地區(qū)耕地質(zhì)量、生態(tài)、經(jīng)濟協(xié)調(diào)度高,東南地區(qū)協(xié)調(diào)度指數(shù)為3.88,中部地區(qū)協(xié)調(diào)度指數(shù)為3.86,這些區(qū)域耕地坡度、耕地利用等別適宜耕種,土壤質(zhì)地良好,協(xié)調(diào)度較高,這些地區(qū)已經(jīng)超額完成了以往國家下達的基本農(nóng)田保護任務。這些地區(qū)自身耕地質(zhì)量、生態(tài)、經(jīng)濟協(xié)調(diào)度指數(shù)高,且地方經(jīng)濟發(fā)展迅速,城市化發(fā)展的過程中也需要更多的耕地作為保障,在基本農(nóng)田調(diào)整方案中應該重點保留這部分的耕地。3.廣西南部沿海地區(qū)耕地質(zhì)量、生態(tài)、經(jīng)濟協(xié)調(diào)度非常高,協(xié)調(diào)度指數(shù)為4.02,這一區(qū)域地勢平坦,坡度適宜,耕地利用等別高,并且水資源豐富,生態(tài)條件較好,農(nóng)業(yè)經(jīng)濟發(fā)展強。但區(qū)域內(nèi)包括廣西首府南寧市,屬于二線城市,城市發(fā)展進程與耕地保護互相制約,需要在這兩者中找到平衡點,進行進一步的協(xié)調(diào)度分析與落實保護方案。通過這一結(jié)果,我們可以知道,對于廣西的耕地保護,南部、東南部以及中部區(qū)域,主要應該針對已有的優(yōu)質(zhì)耕地做好保護,同時調(diào)整和整理出優(yōu)質(zhì)的耕地后備資源,進行開發(fā)和復墾；而對于北部及西部的耕地,可以剔除部分質(zhì)量較差,坡度大的耕地,不要限制其開發(fā)利用,加強土地利用,優(yōu)化耕地質(zhì)量,在有限的耕地上提高種植水平。并基于此結(jié)果,為基本農(nóng)田劃定調(diào)整以及耕地空間布局規(guī)劃提供科學依據(jù)。
[Abstract]:The quality, ecological and economic coordination of cultivated land can be used as an important indicator to measure the utilization level of cultivated land in a specific region. The study of the quality of cultivated land, the ecological and economic coordination can provide a scientific basis for the planning of a regional land use mode and level. The cultivated land use situation of the whole territory of the Guangxi Zhuang Autonomous Region can be cultivated. The land quality, the surrounding related farmland ecological situation and the agricultural economic situation of the cultivated land as the main production data are the data samples. The whole territory of Guangxi is divided into the hilly area of Southeast Guangxi in the center of Wuzhou City, the southern Guangxi coastal area with the center of Nanning City, the low plain valley area of the middle Guangxi middle Guangxi in Liuzhou as the center, and the West Guangxi in the center of Baise. The karst mountain area, taking Guilin as the center of the five index areas of the north mountain area of the Guilin City, uses the data of land use change in 2013 and the Guangxi Statistical Yearbook in 2013, based on the evaluation system of the quality, ecology and economic coordination of cultivated land, and evaluates the quality, ecological and economic coordination of the five index areas of Guangxi respectively. The result of the coordination degree analysis of Guangxi cultivated land layout is good and bad, and by using the ArcMAP function module in ArcGIS10.1 to draw the area map of the coordination degree of cultivated land in Guangxi, so as to provide scientific basis for the basic plan of the adjustment of basic farmland and arable land distribution in Guangxi. The evaluation result of coordination degree is closed from 1 to 5 of the co dispatching index. The 1 is the lowest value and the 5 is the highest. The results show that the coordination degree of farmland quality, ecology and economy in Western Guangxi and Northern Guangxi is low: the coordination index of Western Guangxi is 2.82. The main reason for the low coordination degree of Western Karst mountain area is that the farmland slope of Western China is large, cultivated land is large. The utilization of the soil is low, the soil texture is not suitable for farming, the water resources are very short and the water is overused and wasted in the cultivation process. The agricultural economic benefit of the western region is high and the speed level of the city development is beneficial to the development of agricultural production. Therefore, the western region can consider the ways of improving the water saving and improving the quality of the cultivated land to raise the original level. The utilization rate of cultivated land, on the one hand, pay attention to the protection of the original cultivated land, on the other hand, we can not restrict the development of the cultivated land on the other hand. The main reason for the low coordination degree in the northern mountain area is that the slope of the cultivated land is large and the utilization is low; the coordination degree of the northern region of Guangxi is 2.32, but the soil in the northern region is good and suitable for farming. The largest landscape terrace in China, which has great landscape value and ecological significance, should be given key protection. For the high slope, the cultivated land can not be used as the basic farmland to retain the quality of the cultivated land in the hilly mountain area of the southeast of Guangxi in the low plain valley area of Central Guangxi, with a very large slope. The ecological and economic coordination degree is high, the coordination index of the southeast region is 3.88, the coordination degree index of the central region is 3.86. The cultivated land slope, the cultivated land use and so on are suitable for farming. The soil texture is good and the coordination degree is high. These areas have overcompleted the basic farmland protection tasks of the previous countries. Ecological, economic coordination index is high, and local economic development is rapid. In the process of urbanization, more arable land is needed as security. In the basic farmland adjustment scheme, the cultivated land in the southern coastal area of the southern coastal area of Guangxi Guangxi should be focused on. The ecological and economic coordination degree is very high, and the coordination index is 4.02. The terrain is flat, the slope is suitable, the cultivated land is high, and the water resources are rich, the ecological conditions are good, the agricultural economy is strong. But the region includes Nanning City, the capital of Guangxi, which belongs to the second line city. The development process of the city and the protection of cultivated land are mutually restricted. Through this result, we can know that the protection of cultivated land in Guangxi, the south, the southeast and the central region should be mainly protected against the existing high quality arable land, at the same time, we should adjust and organize the high quality cultivated land reserve resources for development and reclamation, while the cultivated land in the north and the west can eliminate some of the quality. Poor, sloping arable land should not limit its exploitation and utilization, strengthen land use, optimize the quality of cultivated land and raise the level of planting on limited cultivated land. Based on this result, it provides a scientific basis for the adjustment of basic farmland and the planning of the spatial layout of cultivated land.
【學位授予單位】：湖南農(nóng)業(yè)大學
【學位級別】：碩士
【學位授予年份】：2016
【分類號】：F323.211;S159.2
本文編號：2174687
[Abstract]:The quality, ecological and economic coordination of cultivated land can be used as an important indicator to measure the utilization level of cultivated land in a specific region. The study of the quality of cultivated land, the ecological and economic coordination can provide a scientific basis for the planning of a regional land use mode and level. The cultivated land use situation of the whole territory of the Guangxi Zhuang Autonomous Region can be cultivated. The land quality, the surrounding related farmland ecological situation and the agricultural economic situation of the cultivated land as the main production data are the data samples. The whole territory of Guangxi is divided into the hilly area of Southeast Guangxi in the center of Wuzhou City, the southern Guangxi coastal area with the center of Nanning City, the low plain valley area of the middle Guangxi middle Guangxi in Liuzhou as the center, and the West Guangxi in the center of Baise. The karst mountain area, taking Guilin as the center of the five index areas of the north mountain area of the Guilin City, uses the data of land use change in 2013 and the Guangxi Statistical Yearbook in 2013, based on the evaluation system of the quality, ecology and economic coordination of cultivated land, and evaluates the quality, ecological and economic coordination of the five index areas of Guangxi respectively. The result of the coordination degree analysis of Guangxi cultivated land layout is good and bad, and by using the ArcMAP function module in ArcGIS10.1 to draw the area map of the coordination degree of cultivated land in Guangxi, so as to provide scientific basis for the basic plan of the adjustment of basic farmland and arable land distribution in Guangxi. The evaluation result of coordination degree is closed from 1 to 5 of the co dispatching index. The 1 is the lowest value and the 5 is the highest. The results show that the coordination degree of farmland quality, ecology and economy in Western Guangxi and Northern Guangxi is low: the coordination index of Western Guangxi is 2.82. The main reason for the low coordination degree of Western Karst mountain area is that the farmland slope of Western China is large, cultivated land is large. The utilization of the soil is low, the soil texture is not suitable for farming, the water resources are very short and the water is overused and wasted in the cultivation process. The agricultural economic benefit of the western region is high and the speed level of the city development is beneficial to the development of agricultural production. Therefore, the western region can consider the ways of improving the water saving and improving the quality of the cultivated land to raise the original level. The utilization rate of cultivated land, on the one hand, pay attention to the protection of the original cultivated land, on the other hand, we can not restrict the development of the cultivated land on the other hand. The main reason for the low coordination degree in the northern mountain area is that the slope of the cultivated land is large and the utilization is low; the coordination degree of the northern region of Guangxi is 2.32, but the soil in the northern region is good and suitable for farming. The largest landscape terrace in China, which has great landscape value and ecological significance, should be given key protection. For the high slope, the cultivated land can not be used as the basic farmland to retain the quality of the cultivated land in the hilly mountain area of the southeast of Guangxi in the low plain valley area of Central Guangxi, with a very large slope. The ecological and economic coordination degree is high, the coordination index of the southeast region is 3.88, the coordination degree index of the central region is 3.86. The cultivated land slope, the cultivated land use and so on are suitable for farming. The soil texture is good and the coordination degree is high. These areas have overcompleted the basic farmland protection tasks of the previous countries. Ecological, economic coordination index is high, and local economic development is rapid. In the process of urbanization, more arable land is needed as security. In the basic farmland adjustment scheme, the cultivated land in the southern coastal area of the southern coastal area of Guangxi Guangxi should be focused on. The ecological and economic coordination degree is very high, and the coordination index is 4.02. The terrain is flat, the slope is suitable, the cultivated land is high, and the water resources are rich, the ecological conditions are good, the agricultural economy is strong. But the region includes Nanning City, the capital of Guangxi, which belongs to the second line city. The development process of the city and the protection of cultivated land are mutually restricted. Through this result, we can know that the protection of cultivated land in Guangxi, the south, the southeast and the central region should be mainly protected against the existing high quality arable land, at the same time, we should adjust and organize the high quality cultivated land reserve resources for development and reclamation, while the cultivated land in the north and the west can eliminate some of the quality. Poor, sloping arable land should not limit its exploitation and utilization, strengthen land use, optimize the quality of cultivated land and raise the level of planting on limited cultivated land. Based on this result, it provides a scientific basis for the adjustment of basic farmland and the planning of the spatial layout of cultivated land.
【學位授予單位】：湖南農(nóng)業(yè)大學
【學位級別】：碩士
【學位授予年份】：2016
【分類號】：F323.211;S159.2
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