We examined the data on the actual situation of nature reserves using the method of GAP analysis (geographic approach to protection of biological diversity).
GAP Analysis (a Geographic Approach to Protect Biological Diversity) provides a quick overview of the distribution and conservation status of several components of biodiversity.
Third, company's geography method , it is mainly space behavior , interdepartmental space connection , interaction and institutional framework of investigating trans-corporation's overseas investment.
Firstly, the paper discusses the reasons of industry agglomeration in geographic methods, the answer is that natural advantage agglomeration forces, spill agglomeration forces and human culture cohesion forces are the basic forces for industry concentration in geography.
Study On The Relationships Of Factors In Classification And Estimated Price About The Land Of Cities And Townd With The Methnods Of Quantitative Geography
Directed by the scientific development view and the method of the population geography, the thesis based on the analysis to the data of the population census of China and investigation on the spot is mainly to illustrate the position of the towns in harmonized development of the rural and the urban and how to rebuild the mechanism of the towns based on the analysis for what the urbanization and the reform of household registration of the towns have encountered.
Based on species concept, the traditional ways for biodiversity measurements are to determine different kinds of biodiversity indices by using ecological and geographical approaches.
Geographic methods for understanding and responding to disparities in mammography use in Toronto, Canada
The process in deserti fication, which is caused by the misuse of water resources in upper and middle reaches of river and creats shortage of water supplies and degradation of ecological environment in the lower reaches, has been developing rapidly in the past more than ten years in the lower reaches of Tarim River. In the study, the author selects the Argan Region which is typical cases (in the lower reaches of Tarim River) and gathers some materials by means of fieldwork and according to the aerophoto of different...
The process in deserti fication, which is caused by the misuse of water resources in upper and middle reaches of river and creats shortage of water supplies and degradation of ecological environment in the lower reaches, has been developing rapidly in the past more than ten years in the lower reaches of Tarim River. In the study, the author selects the Argan Region which is typical cases (in the lower reaches of Tarim River) and gathers some materials by means of fieldwork and according to the aerophoto of different period analysis, especially in accordance with the changes of surface morphologies and their distribute of developments, he tries to illustrate the process in desertification to the Argan Region. Meanwhile, he utilizs a method of geographical analysis tc establish a multiregret problem program which is applied to forecast the developmental trend of process in desertification in Argan region, Xinjiang.
The system approaches to regions are mainly useing system theory and system analysis and associating regional theories of geography and other scien-ces.They emphasize the holistic approach to essential of attributes of regions and active charactertics and attempt to explicate the structure and function of the regional and system characteristics of energy flows and matter cycles and spacial dif f erentiation.A region is a large open system which contains abiotic, biotic materials and human beings. The system...
The system approaches to regions are mainly useing system theory and system analysis and associating regional theories of geography and other scien-ces.They emphasize the holistic approach to essential of attributes of regions and active charactertics and attempt to explicate the structure and function of the regional and system characteristics of energy flows and matter cycles and spacial dif f erentiation.A region is a large open system which contains abiotic, biotic materials and human beings. The system as a part of the earth's surface is just the dissipative structure, according to the theory presented by the Belgian physicist 1.Prigogine, Because of human activity, a striking attribute of the regional system is its inflow of subsidised energy and matter besides the flow of solar energy as negative entropy flux.The regional system as dissipative structure has its own evolutionary his-tory.It has been evolving gradually from physical system to ecosystem, at last to human ecosystem. Human ecosystem has been referred to socio-economical system with all its regional environment i. e. physicalsystem and natural ecosystem or physico-ecosystem. The important task of research on the regional system is to explore the relationship between physico-ecosystem and socio-economical system and to find a war to manage and coordinate the development of socio-economical system with its environment.Ceoecological classification and regionalization are best ways to recognize spacial order of the regional system. According to our experiences in Beijing area, the author suggests a genetic geoecological classification system. The principle of this classification system has been mainly considered the quality and quantity of the input energy of geoecological type (landscape) . For example, mountain solar-powered ecosystem, mountain man subsidized solar-powered ecosystem, plain fuel-powered urban industrial ecosystem etc. have been divided. Cluster analysis has been applied to this classification and regionalization in Beijing area.System analysis should be applied to study the energy flows and matter cycles in the regional system. By these, it would be possible to explain the struture and function of geoecological types and to suggest optimal plans for every type.
Using the quantitive geographical methods,this paper deals with therelationship among the geomorphy factors and its influence on the ero-sional soil surface in loess plateau in north part of Shaanxi Province.We think that there is a good line fitting between the density of gully,the length of slope and erosional soil potential surface,i.e.:Sp=0.673D+8.537H/sina-2.752;R=0.9where.R is the compound correlation coefficient.The relationship be-tween the erosional soil surface and the erosional soil modulus is nonlin-er,but...
Using the quantitive geographical methods,this paper deals with therelationship among the geomorphy factors and its influence on the ero-sional soil surface in loess plateau in north part of Shaanxi Province.We think that there is a good line fitting between the density of gully,the length of slope and erosional soil potential surface,i.e.:Sp=0.673D+8.537H/sina-2.752;R=0.9where.R is the compound correlation coefficient.The relationship be-tween the erosional soil surface and the erosional soil modulus is nonlin-er,but a power relation,that is:M=16.98S~(1.51);R~2=0.97where:R~2 is a correlation index,S=Sp.C;C is a erosional soil surfacecoeffi cient which has relation to vegetation type of mother rock of thesoil and so on.
地理学方法
geographic approach
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