Agriculture ecological security is the foundation of regional ecological security, and is
the basis of sustainable development.Based on the existing study on the ecological security in and
out of China, the evaluation indexes of ecological security of agriculture sustainable development
in Fujian province was carried out.According to the evaluation indexes, Fujian province was
taken as a case study and its ecological security situation of agriculture sustainable development
from 1981 to 2004 was assessed quantitatively.The result shows: the security index of agriculture
production environment decreased from 0.573 in 1981 to 0.424 in 1996, a decreased of 26% and
an annual average decrease ratio of 1.63%; then it increased from 0.424 in 1996 to 0.476 in
2004.The security index of agricultural resources decreased unsteadily from 0.623 in 1981 to
0.350 in 2004, a decrease of 43.82% and an annual average decrease ratio of 1.83%; but during
the period of 1998 to 2004, it decreased sharply from 0.517 to 0.350, an annual average
decrease ratio of 4.76% which was 2.6 times of the average decrease ratio of the 24 years.While
to variation of rural development index, it can be divided into two stages:the first stage was from
1981 to 1998, during this period the index increased from 0.285 to 0.629, an increase of 120.7%
and an annual average increase ratio of 6.71%; and the second stage was from 1998 to 2004, and
the index was in a steady situation.The variation of the ecological security index of regional
agriculture sustainable development (CESIRASD) can be divided into three stages:the first stage
was from 1981 to 1986, during this period the index decreased from 0.482 to 0.446; the second
stage was from 1986 to 1998, the index increased from 0.446 to 0.529; and the third stage was
from 1998 to 2004, and the index decreased from 0.529 to 0.472.Taking 2003 as an example, the
main obstacles of ecological security of regional agriculture sustainable development was
diagnosed.The result shows that the main threats came from the two aspects:the agricultural
resources security and agriculture production environment security.The limiting contributions of
agriculture resource security, agriculture producing environment security and rural social
development were 45.32%, 33.92% and 20.76% respectively.Finally, in order to improve the
ecological security level of agriculture sustainable development in Fujian province, some advices
were put forward, such as intensifying protection of the cultivated land, improving the multiplecropping
index and the production of the grain, reducting resources input per unit area,
developing advanced agricultural production technology and construction of eco-agriculture, etc.
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