霧社地區拉都希氏赤蛙的族群生態研究

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霧社地區拉都希氏赤蛙的族群生態研究

The Population Ecology of Latouche’s frog , Rana latouchii, in Wushi Area, Taiwan.

卓瓊玫 , Masters　　Advisor：呂光洋　　

繁體中文

族群生態；族群動態；拉都希氏赤蛙；標放-再捕捉法；族群估算；青蛙；生殖活動；性比； population ecology ； population dynamics ； Rana Latouchii ； mark- recapture ； estimated population ； frog ； breeding activity ； operational sex ratio

Abstract │ Reference (57) │ Times Cited (6) │ Altmetrics

Abstract 〈TOP〉

Parallel Abstract 〈TOP〉

From September 2000 through June 2002, we studied the population dynamics, breeding activities, environmental factors, amphibian community, and the sex ratio of Rana latouchii in Wushi Area (altitude 1147 m), Taiwan. By using mark-recaptured methods, we did survey 2-5 nights per month. Totally we marked 690 adult frogs, among them 504 were males, and 186 were females. The mean snout-vent length (SVL) was 44.1 mm in males, and 53.1 mm in females; the mean body weight was 6.9 g in males, and 12.4 g in females. A total of 130 individuals were recaptured more then once, 118 of which were males, and 12 were females. Estimated population sizes varied from 60 to 380 each month with the highest peak found in April and December of 2001.
    Breeding activities of Rana latouchii in Wushi Area were observed for 10 months a year. The major breeding seasons were in spring (April-June) and autumn (September-December) periods. At breeding site, most of frogs were adults, and post-metamorphosis juveniles were found in spring (April-May) and autumn (September-October). Based on recaptured individuals, some of females (N = 3) could enter breeding site twice a year, indicating that the females could breed more then once per year. While males could enter breeding sites several times a year. They all stay there longer than females.
    The breeding activities were related to the precipitation of the  fourth days prior to studied date ( p ＜ 0.001, r = 0.37 ). The operational sex ratio of Rana latouchii biased toward males at breeding site, while it varied with seasons. However, the overall sex ratio didn’t depart from 1:1 at non-breeding site.
    Six species of frogs, i.e. Bufo bankorensis, Rana limnocharis , Buergeria japonicus, Polypedates megacephalus, Rana adenopleura, Buergeria robusta, were discovered in the study area.

Reference ( 57 ) 〈TOP〉

Aichinger, M. 1987. Annual activity patterns of anurans in a seasonal neotropical environment. Oecologia, 71:583-592.
連結：
Bell, G., 1977. The life of the smooth newt (Triturus vulgaris) after metamorphosis. Ecological Monographs, 47:279-299.
連結：
Duellman, W. E. 1988. Patterns of species diversity in anuran amphibians in the American tropics. Annals of the Missouri Botanical Garden, 75: 79-104.
連結：
Gascon, C. 1991. Population-and community-level analyses of species occurrences of central Amazonian rainforest tadpoles. Ecology, 72 (5) : 1731-1746.
連結：
Gill, D. E., 1978. The metapopulation ecology of the red-spotted newt, Notophthalmus viridescens (Rafinesque), Ecological Monographs, 48:145-166.
連結：

Times Cited (6) 〈TOP〉

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