Ecological restoration of degraded grasslands is one of the global challenges,which plays a crucial role in biodiversity conservation,maintenance of ecosystem functions,and regional sustainability.This paper outlines the theoretical framework of degraded grassland ecological resto-ration,introduces the main ecological restoration techniques from three perspectives:optimizing vegetation structure,improving soil healthy,and enhancing grazing practices.We summarized the mechanical equipment for ecological restoration through four processes:seeding,fertilization,culti-vation,and harvest.Additionally,we reviewed the evaluation of degraded grasslands from three scales:community surveys,drone aerial photography,and satellite image.Finally,we envisioned the main research directions for the future ecological restoration of degraded grasslands.
关键词
退化草地/生物多样性/土壤改良技术/生态修复/多源遥感数据
Key words
degraded grassland/biodiversity/soil improvement techniques/ecological restora-tion/multi-source remote sensing data