【热点综述】按照全国主体功能区规划要求,“十二五”期间,我国将坚持以建设和保护“森林、湿地、荒漠三个系统和生物多样性”为核心,以林业重点生态工程为依托,以防范和减轻风沙、山洪、泥石流等灾害为重点,加快构建十大国土生态安全屏障。力争到2015 According to the requirements of the planning of the nation's main functional areas, China will adhere to the core of “three systems of forest, wetlands and deserts and biodiversity” in construction and protection during the “Twelfth Five-Year Plan” Ecological engineering as the basis, to prevent and reduce wind and sand, flash floods and landslides and other disasters as the focus, speed up the construction of ten national ecological security barriers. Strive to 2015