| The ecological environment in the three-state region of Sichuan Province is fragile,the natural conditions are poor,and the contradictions between people and land are prominent.The coordinated utilization of ecological resources in this region and the improvement of farmers’ livelihoods have become hot issues in the current academic circles.This study objectively evaluates the ecological connectivity of the three regions,the level of farmers’ livelihood capital,and a preliminary discussion of the coupling and coordination between the two.Based on the perspective of ecological resistance,this study uses the socio-economic,land use,and survey data from 2010 to 2015 to conduct three aspects of research: First,construct an ecological connectivity evaluation index system,and use the analytic hierarchy process and the minimum cumulative resistance model to evaluate Ecological connectivity in the three states;second,constructing an evaluation index system for farmers’ livelihood capital;using entropy method and weighted model to analyze farmers’ livelihood capital level and spatial distribution;third,using a coupling coordination model to analyze the coupling between the two Coordination relationship and spatial distribution,using the relative development model to try to explore the constraints of coordinated development.The main conclusions are as follows:(1)In terms of ecological connectivity assessment,the research results show that: from 2010 to 2015,the overall ecological connectivity in the three states of Sichuan Province is good and showing an increasing trend.The low-resistance areas are widely distributed,forming an ecological protection barrier in the three states in geography,which regulates and protects the ecological environment of the three-state areas in Sichuan Province;there are four high-resistance areas and concentrated,which is greatly affected by human activities and has its own ecological degradation phenomenon.(2)In terms of evaluation of livelihood capital of rural households,the research results show that:from 2010 to 2015,the level of livelihood capital of the three states is not much different and is on the rise;in terms of spatial pattern,the livelihood capital of each state shows a "small agglomeration and large dispersion" Characteristics: The range and magnitude of the livelihood capital level in each county are relatively large.The range of counties in the low-livelihood capital level of the three-state region has been significantly reduced,and the area has gradually been upgraded to a mediumlevel livelihood level.The scope is reduced and transformed into regions of higher and higher levels of livelihood capital levels.(3)In terms of research on the relationship between ecological connectivity and farmers’ livelihood capital,the research results show that: from 2010 to 2015,the level of coupling and coordination between ecological connectivity and farmers’ livelihood capital in the three states showed an upward trend,but the ecological accessibility and farmers’ livelihoods in the counties The level of coupling between the two capital systems is not high,and the degree of coupling coordination is still in the transitional reconciliation stage,and is on the verge of decline.In the spatial pattern,the counties in each coordination stage are concentratedly distributed,and the circle structure is obvious.The relative development status of the two is "Inverted triangle" situation,a large proportion of lagging eco-environment-type counties,mainly due to(1)poor social and economic foundations and lagging economic development in the three states of Sichuan,resulting in low levels of livelihood for farmers;(2)the development of the ecological environment is insufficient to improve the livelihood of farmers,mainly due to the insufficient use of ecological advantages to achieve green transformation.The main contribution of this article lies in constructing an indicator system of ecological connectivity from three levels: topography,hydrology,ecological environment,and development and utilization intensity.The least resistance model is introduced into the calculation of the ecological connectivity index,and the evaluation of the ecological environment is completed.An innovation in ecological environment assessment methods. |