학술논문 > 기타 > 기타 (자료번호 : H13196980)
Long-term trends of bird community in Ganwol Lake district, Seosan, Korea - - 기타 > 기타
Materials and Methods
This study have conducted to check the long-term bird community trends and factors(artificial and environmental) affecting its population dynamics through monitoring of avifauna between 2007 and 2015. A total of 279 species were recorded during the study period, and the most numerically dominant species was Anser fabalis (34.2%). Annual trends of the number of species were not significantly changed, whereas the population of bird community declined. The bird density and number of species were the highest in autumn (Mean=1,256/km2) and Spring (Mean=98), respectively. The number of annual average species and individuals were found maximum at E site but birds density was found maximum at A site. Temporal trends of population dynamics between 1996 and 2008∼2015 showed variations of waterbird communities in the Ganwol Lake district. Recently, Anser fabalis, Cygnus cygnus, Grus monacha have increased rapidly but Anas platyrhynchos, A. formosa, A. acuta dominated in the past have decreased rapidly. The population of bird community was affected by processing of human activity in Ganwol Lake district and after the beginning of dredging, the population of Diving waterbird and Anas formosa have steadily decreased. During the wintering period, the density of water birds was positively correlated with water temperature, suspended solid, pH, and total phosphorus but negatively correlated with dissolved oxygen.
본 논문은 참고용 논문으로 수정 및 텍스트 복사가 되지 않습니다.
저작권 관련 사항 정보 및 게시물 내용의 진실성에 대하여 레포트샵은 보증하지 아니하 며, 해당 정보 및 게시물의 저작권과 기타 법적 책임은 자료 등록자에게 있습니다. 위 정보 및 게시물 내용의 불법적 이용, 무단 전재·배포는 금지됩니다. 저작권침해, 명예훼손 등 분쟁요소 발견시 고객 센터에 신고해 주시기 바랍니다.