Research Progress on Grassland Biodiversity in Agro-pastoral Ecotone:Methods,Challenges,Shortcomings,and Prospects
Land use change,particularly the conversion of grassland to cropland at the cropland-grassland boundary,is a primary driver of biodiversity loss in this area.A systematic review of existing research is crucial for sustainable regional development.This study provided a comprehensive analysis of research progress on grassland biodiversity in agro-pastoral ecotone across four key areas:spatial scales,research levels,employed methodologies,and decision-making processes.We further evaluated the chal-lenges and opportunities associated with current grassland biodiversity conservation efforts.By identifying limitations in existing research and outlining future research directions,this study highlighted the urgent need to expand the scope of research on the impact of cropland-grassland boundary changes on biodiversity.We proposed the development of a spatially integrated monitoring network(space-air-ground)to systemati-cally advance future research on grassland biodiversity in agro-pastoral ecotone.Ultimately,achieving a win-win solution for regional sustainable development requires a comprehensive understanding of the impact mechanism involved,allowing for the balancing of agricultural food production with effective grass-land biodiversity protection.
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