洛東江 河口의 鳥類相에 관한 硏究 = A Research of Avifauna in the Nakdong River Estuary

다국어 초록 (Multilingual Abstract)

The avian fauna around the Nakdong River Estuary were surveyed monthly from January to December 1990 by the strip intersect method. The result were analysed to charify appearance number of species and individuals in each month, percentage of appearance, percentage of individnals, dominance index.
1) In the survey, the total individuals(50,058) which consisted of 107 species were recorded.
2) Of the total 107 species, 48 species of winter visitors(44.9%), 25 species of passage migrants(23.4%), 16 species of residents (14.9%), 14 species of summer visitors(13.1%), 4 species of vagrants (3.7%) were recorded.
3) In each month, a large number of species in April(61 species), January(58 species), October(56 species) and a small number of species in Jun(26 species), July(30 species )were recorded.
4) In each month, a large number of individuals in November(19,795 individuals), September(6,537 individuals), October(4,579 individuals)and a small number of individuals in June(570 individuals), July(863 individuals), July(863 individuals) were recorded.
5) In the surveyed, the species which showed 100 percentage of appearance were Gray Heron, Spot-billed Duck, Rufous Turtle Dove Dunlin, Blach-tailed Full, Tree sparrow.
Those which showed above 50 percentage of appearance were 47 species.
6) In the surveyed, Those showing above 10 percentage of individuals were pochard(13.4%), Blach-tailed (2.5%), Mallard(12.4%), Dunlin(10.0%)
Above 500 individuals(1 percentage of individuals) were 17 species.
7) The species which showed dominance index above 10 percentage were pochard, Black-failed gull, Mallard, Dunlin.
Above 0.5 percentage were 19 species.
8) In these region, the number of species were 94(B region), 75(A region), 57 species (C region) and the number of individuals, were 25,821(A region), 22,800(B region), 1,437 individuals (C region).

목차 (Table of Contents)

• Ⅰ.緖論
• Ⅱ.方法
• Ⅲ.結果 및 考察
• Ⅳ.要 約