深圳福田红树林陆鸟类变迁及保护

The Changes of Land Birds′ Species and Its Protection in Futian Mangroves,Shenzhen,China

１９９２年２月～１９９３年２月和１９９７年１月～１９９８年１月，用路线统计法对深圳福田红树林保护区陆鸟进行了两个周期调查．两期调查结果比较表明，该地区近期陆鸟减少２目５科４０种，其中国家保护鸟类６种，当地繁殖鸟类１３种；优势种和常见种减少１２％，多样性指数最高值由３．８０２６降至２．７８０４，陆鸟最高密度由５８３只／ｋｍ２减至３５５只／ｋｍ２．分析了陆鸟在湿地生态系统中的作用及种类变迁的原因，并提出保护建议．

From Feb. 1992 to Feb. 1993 and from Jan.1997 to Jan.1998, two periodic investigations about land birds of Shenzhen mangrove reserve were studied in a way of route statistics. The periodic investigation from Jan.1997 to Jan. 1998 compares with that of from Feb. 1992 to Feb. 1993, Lnd birds cut down by 40 species belonging to 5 families in 2 orders, 6 species of which are involved in the list of national protection birds, and natively reproductive land birds decreased by 13 species, dominant species and common species cut down by 12% as well. Moreover, the highest value of diversity index reduced from 3. 8026 to 2.7804,and the highest density diminished from 583 individuals/km 2 to 355 individuals/km 2 as well. Additionally, The role of land birds in wetland ecological system and its changing cause are analyzed.Based on its data, the paper suggests some conservative measures of land birds.