1985年我国从英国引入在我国已灭绝的麋鹿，分别建立了北京和大丰两个麋鹿种群。14年来，这两个麋鹿种群经历了风土驯化和种群增长两个......

Reconstructing long-term vegetation cover along streams has become a popular practice for ecological restoration in frag......