Research On The Coordinated Development Of Intensive Use And Ecological Security Of Cultivated Land In Chang-Zhu-Tan Area

Cultivated land is the resource basis for human survival and development.The growing population and food demand have prompted the transformation of cultivated land use from extensive to intensive.However,behind the intensive use of cultivated land,some problems affecting the ecological security of cultivated land have also been exposed.Therefore,it is urgent to reduce the negative impact of the intensive use of cultivated land to protect the ecological environment of cultivated land.This article takes the Chang-Zhu-Tan area of Hunan Province as the study area,refers to the "Chang-Zhu-Tan Area Comprehensive Supporting Reform Experimental Plan",and uses agricultural statistics to analyze the five time nodes in 2007,2010,2013,2016,and2018.The intensive use of cultivated land and the ecological safety of cultivated land were calculated and evaluated;the temporal and spatial evolution characteristics and coupling relationships of the Chang-Zhu-Tan area and its subordinate areas were studied;finally,the promotion of the intensive use of cultivated land and the The problems and reasons in the coordinated development of cultivated land ecological security are analyzed,and countermeasures and suggestions are put forward.The research results show that The level of intensive use of cultivated land in Chang-Zhu-Tan area has increased year by year,and the spatial distribution has changed greatly;the ecological security level of cultivated land has decreased year by year,and the spatial distribution has changed little,both of which have significant spatial aggregation.The level of ecological security of cultivated land in the early stage was greater than the level of intensive use of cultivated land,and the gap was large.After the intersection point,the gap narrowed,tending to stabilize and coordinate development.The negative correlation between the two in various regions gradually weakened.In the early stage,there were mostly L-L,H-L,L-H spatial coupling relationships,and later Changsha County developed into H-H spatial coupling relationships;the regional coupling relationships of different economic development levels are very different.