發(fā)布時間：2018-03-27 17:04

  本文選題：LUCC　切入點：高程約束　出處：《福建師范大學》2011年碩士論文

【摘要】：以福州市五區(qū)七縣(不包括平潭縣)為研究區(qū),以1994-2006年間3期遙感影像解譯分類獲得的土地利用/覆被數據為基礎,采用多種反映土地利用/覆被變化(LUCC)的指數和模型,引入區(qū)域農田食物生產單價系數和區(qū)域服務支付系數,構建個性化的生態(tài)系統服務價值測算模型及生態(tài)效應測算模型,對研究區(qū)的全域及不同高程約束下的LUCC及其生態(tài)效應進行分析。研究結果顯示：1)1994-2006年間,土地利用/覆被發(fā)生了明顯的此消彼長變化：林地、耕地和未利用地減少,其余類型增加；其轉移特征為：以林地轉變?yōu)楦�、草地和園地,以及耕地轉變?yōu)榻ㄔO用地和林地為主。在土地利用/覆被變化速度方面,未利用地和建設用地的單一動態(tài)度最大,全域的土地利用/覆被綜合動態(tài)度持續(xù)上升,且后一時段(2001-2006年)的增速超過前一時段(1994-2001年)。土地利用程度指數有小幅增加,LUCC導致的生態(tài)系統服務價值有大幅增加,LUCC的生態(tài)效應指數和生態(tài)效應模數減增互現。2)從高程角度看,耕地、建設用地和未利用地的變化集中于第一級,園地的變化集中于第四、五級,水域和草地的變化集中于第三、二級,林地的變化集中于第一、三、四級。各高程等級的土地利用程度綜合指數隨海拔升高而遞減。由LUCC導致的各高程等級的生態(tài)服務價值量均增加。各高程等級LUCC的生態(tài)效應指數大致呈現隨高程等級增加而減小的特征,且在后一時段均較前一時段明顯減��；各高程等級LUCC的生態(tài)效應模數亦大致呈現隨高程等級增加而減小的趨勢,且后一時段第一、二、三級的生態(tài)效應模數較前一時段均增加,而其余兩個高程等級則均減小。
[Abstract]:Taking the five districts and seven counties (excluding Pingtan County) in Fuzhou as the research area, based on the land use / cover data obtained from the interpretation and classification of three remote sensing images from 1994 to 2006, various indices and models reflecting land use / cover change (LUCCs) were adopted. The unit price coefficient of regional farmland food production and the regional service payment coefficient are introduced to construct a personalized ecosystem service value measurement model and an ecological effect measurement model. The LUCC and its ecological effects under different height constraints in the study area were analyzed. The results showed that land use / cover changed significantly from 1994 to 2006: forest land, cultivated land and unused land decreased. The other types are increased; their transfer characteristics are as follows: the conversion of woodland into cultivated land, grassland and garden land, and the conversion of cultivated land to construction land and woodland, and in terms of the rate of land use / cover change, The single dynamic degree of unused land and construction land is the largest, and the comprehensive dynamic degree of land use / cover in the whole area continues to increase. Moreover, the growth rate of the latter period (2001-2006) was higher than that of the previous period (1994-2001). The land use degree index increased slightly and the value of ecosystem services caused by Lucc increased significantly, and the ecological effect index and the modulus of ecological effect increased and increased. 2) from the elevation point of view, The changes of cultivated land, construction land and unused land are concentrated in the first level, the changes of garden land are concentrated in the fourth and fifth levels, the changes of waters and grasslands are concentrated in the third and second levels, and the changes of forest land are concentrated in the first and third levels. Grade 4. The comprehensive index of land use degree of each elevation grade decreases with elevation. The value of ecological service of each elevation grade caused by LUCC increases, and the ecological effect index of LUCC of each elevation grade presents approximately with elevation. A feature that increases and decreases in rank, The ecological effect modulus of LUCC of each elevation grade also showed the trend of decreasing with the increase of elevation grade, and the ecological effect modulus of the first, second and third stage of the later period were all increased compared with the previous period, and the ecological effect modulus of each elevation grade in the second period was significantly lower than that in the previous period, and the ecological effect modulus of each elevation grade also showed a trend of decreasing with the increase of elevation grade. The other two levels decreased.
【學位授予單位】：福建師范大學
【學位級別】：碩士
【學位授予年份】：2011
【分類號】：X196;F301

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