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Agricultural Eco-economic System Study of Langqi Island Based on Emergy Analysis

Author: GongJiaFu
Tutor: HuangMinSheng
School: Fujian Normal University
Course: Physical Geography
Keywords: Agricultural eco- economic system Emergy analysis Emergy conversion rate Comparative analysis Langqi Island
CLC: F323.22
Type: Master's thesis
Year: 2009
Downloads: 73
Quote: 1
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Abstract


This thesis Langqi Island agricultural eco-economic system as the research object , the energy value of the research methods as a means of input-output data statistics Langqi Island 1995-2007 agricultural systems , the establishment of agricultural systems Langqi Island 1995-2007 Emergy analysis time series dynamic analysis of the input-output conditions on the of Langqi island agriculture , sustainable development , evaluation , and that Langqi Island agricultural eco-economic system to complete the traditional agriculture by ESI and EISD types to changes in the types of modern petrochemical agriculture ; comprehensive analysis and come to a conclusion Langqi Island value of sustainable development in a gradual decline , but is still in a better state of sustainable development ; gray prediction theory Langqi Island agriculture emergy yield was predicted the results showed that in the next five years , Langqi Island agricultural value of output showing steady growth ; through factor analysis and multiple regression analysis , the analysis of the value of the output of the dominant factors limiting factor of agricultural Langqi Island , found dominant factor of its agricultural output , capital investment , the limiting factor is the labor input and agricultural machinery emergy is not enough ; based on field trips to collect the data , the energy value of the input-output analysis carried out on the the specialty agriculture Langqi Island - mudflat aquaculture , and beach culture industry - Sinonovacula constricta conversion rate of emergy analysis . Finally , through comparative analysis , the basis of condition of the natural environment from agricultural systems , the economic development of agricultural systems , the living conditions of farmers , agricultural systems sustainable development of the situation in four areas discussed Langqi Island closed agricultural eco-economic system as a small spatial scale development comparative advantage.

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CLC: > Economic > Agricultural economy > China 's agricultural economy > Construction and development of agricultural economy > Agricultural resources development and utilization of > Ecological and environmental protection in rural areas
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