TAILIEUCHUNG - Báo cáo nghiên cứu khoa học: "Composition of bird species in Huu Lien Nature Reserve, Lang Son province"

Tham khảo luận văn - đề án 'báo cáo nghiên cứu khoa học: "composition of bird species in huu lien nature reserve, lang son province"', luận văn - báo cáo phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả | VNU Journal of Science Earth Sciences 27 2011 13-22 Composition of bird species in Huu Lien Nature Reserve Lang Son province Nguyen Lan Hung Son Nguyen Thi Hoa Le Trung Dung Hanoi National University of Education 136Xuan Thuy Hanoi Vietnam Received 3 December 2010 received in revised form 17 December 2010 Abstract. The diversity of bird species is of special importance as it can create responsive and adaptive behaviours among the whole animal population in wild environment. For this reason the frequent making of inventory lists of bird species helps assess and evaluate the current status of forest resources in natural conservation areas which are inherently under human pressures in our country. During the two years 2009 - 2010 of the study conducted in Huu Lien Nature Reserve in Lang Son province records have been made of 168 bird species belonging to 117 genus 54 families 17 orders. Of these 9 bird species are rare and of high value of genetic preservation. Discussions have been held on the data for classification and arrangement of bird lists. This regional avifauna is characterized as typical of the lime stone mountain ecology in the Northeast of Vietnam along the border with China. The illegal activities of timbering Buretiodendron hsienmu take place at high frequency are making it a threat to the conservation of the diversity of bird species in this area. Keywords avifauna lime stone mountain rare species timbering. 1. Introduction Huu Lien Nature Reserve was recognized as in the Decision numbered 194 CT dated August 9th 1986 by the Council of Ministers. On June 10th 1989 at the Decision numbered 10 QĐ-NL by Lang Son Provincial People s Committee the management board of Huu Lien Special-use Forest was established under the auspices of Lang Son Provincial Sub-department of forest protection. The project on investments in building Huu Lien Nature Reserve was approved in 1992 by the Ministry of Forestry comprising of the natural area of Corresponding .

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