本文選題：武穴 + 產(chǎn)能核算��； 參考：《華中師范大學(xué)》2014年碩士論文

【摘要】：農(nóng)用地分等工作的持續(xù)開展使得我國農(nóng)用地系統(tǒng)內(nèi)部按照質(zhì)量進(jìn)行了不同層次的劃分即質(zhì)量梯級(jí),不過其中每一個(gè)梯級(jí)的具體值還沒有確定,因此需要積極開展耕地生產(chǎn)能力的科學(xué)核算工作。對(duì)產(chǎn)能進(jìn)行核算就是對(duì)農(nóng)用地分等工作的延伸與實(shí)踐。根據(jù)農(nóng)用地理論產(chǎn)能、預(yù)期產(chǎn)能以及實(shí)際產(chǎn)能進(jìn)行科學(xué)核算,對(duì)農(nóng)用地的整體生產(chǎn)水平與潛力分布構(gòu)成通過定量分析法進(jìn)行研究,并對(duì)農(nóng)用地質(zhì)量的區(qū)域不同進(jìn)行評(píng)估。本課題是以當(dāng)前農(nóng)用地分等工作成績?yōu)榍疤?基于廣泛搜索樣本、深入調(diào)查之上創(chuàng)建不同等級(jí)水平的耕地產(chǎn)能核算模型,在本課題研究武穴城市為實(shí)證分析對(duì)象而展開耕地產(chǎn)能核算工作。 (1)分析了適用于耕地產(chǎn)能計(jì)算的理論體系,在依靠地域差異、土地生產(chǎn)力、土地質(zhì)量分級(jí)、農(nóng)業(yè)生態(tài)帶以及土地適宜性等相關(guān)理論的基礎(chǔ)上創(chuàng)建一個(gè)以生態(tài)環(huán)境與經(jīng)濟(jì)發(fā)展理論為核心,以土地科學(xué)理論為根基的理論分析體系,而后將其應(yīng)用于計(jì)算耕地綜合生產(chǎn)能力之中,起到指導(dǎo)的作用。 (2)研究了耕地產(chǎn)能核算技術(shù)方法。結(jié)合農(nóng)用地分等工作成績,通過抽樣調(diào)查法和回歸分析法以及實(shí)際調(diào)查法等相關(guān)科學(xué)方式創(chuàng)建自然質(zhì)量等指數(shù)和理論產(chǎn)能、可實(shí)現(xiàn)產(chǎn)能與利用等指數(shù)的數(shù)學(xué)模型,進(jìn)而理論產(chǎn)能、預(yù)期產(chǎn)能以及實(shí)際產(chǎn)能進(jìn)行科學(xué)計(jì)算,并研究產(chǎn)能核算成果。其次,以CASA模型、遙感NDVI數(shù)據(jù)計(jì)算植被初級(jí)生產(chǎn)力的方法計(jì)算武穴市耕地NPP(植被初級(jí)生產(chǎn)力),在耕地NPP的基礎(chǔ)上計(jì)算耕地產(chǎn)量,進(jìn)行理論產(chǎn)能和可實(shí)現(xiàn)產(chǎn)能核算方法的新研究,并與基于分等的產(chǎn)能核算方法進(jìn)行比較,得出其合理性和科學(xué)性。 (3)探討耕地產(chǎn)能核算成果應(yīng)用,將核算成果融入武穴市耕地利用強(qiáng)度和潛力,得出結(jié)論：今后武穴市農(nóng)業(yè)發(fā)展主要應(yīng)集中在西北部地區(qū)；武穴市的利用潛力與整個(gè)湖北省利用潛力相比較,盡管處于利用較充分的區(qū)域,但仍有一定的潛力可以挖掘。
[Abstract]:With the continuous development of agricultural land grading work, the agricultural land system in our country has been divided into different levels according to quality, that is, quality cascade, but the specific value of each step has not been determined. Therefore, it is necessary to actively carry out the scientific accounting of cultivated land production capacity. The calculation of productivity is the extension and practice of agricultural land classification. According to the theoretical production capacity, expected productivity and actual production capacity of agricultural land, the overall production level and potential distribution composition of agricultural land are studied by quantitative analysis method, and the regional differences of agricultural land quality are evaluated. This topic is based on the current agricultural land grading work results as the premise, based on a wide range of search samples, in-depth investigation on the establishment of different levels of arable land productivity accounting model, In this paper, Wuxue City is the empirical analysis object and the work of cultivated land productivity accounting is carried out. (1) the theoretical system applicable to the calculation of cultivated land productivity is analyzed, which depends on regional differences, land productivity and land quality classification. Based on the relevant theories of agricultural ecological zone and land suitability, a theoretical analysis system based on the theory of ecological environment and economic development and the theory of land science is established. Then it is applied to the calculation of the comprehensive production capacity of cultivated land and plays a guiding role. 2) the technical method of cultivated land productivity accounting is studied. Based on the results of agricultural land grading, the mathematical model of productivity and utilization index can be realized by using sampling survey, regression analysis and actual investigation to establish the index of natural quality and theoretical productivity. Then the theoretical capacity, expected capacity and actual capacity are calculated scientifically, and the results of capacity accounting are studied. Secondly, using CASA model and remote sensing NDVI data to calculate the primary productivity of vegetation, we calculate the primary productivity of cultivated land in Wucao City, calculate the yield of cultivated land on the basis of NPP of cultivated land, and carry out a new study on the theoretical productivity and the method of calculating the productive capacity that can be realized. Compared with the method of productivity accounting based on grade, it is reasonable and scientific. (3) discussing the application of cultivated land productivity accounting results, integrating the results into the utilization intensity and potential of cultivated land in Wu acupoint city, and drawing the conclusion: in the future, the agricultural development of Wu-acupoint city should be mainly concentrated in the northwestern region; Compared with the whole Hubei Province, the utilization potential of Wucao City is in the area of full utilization, but there is still some potential to be excavated.
【學(xué)位授予單位】：華中師范大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2014
【分類號(hào)】：TP79;F323.211

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