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Applying the Jolly-Seber Model to Estimate Population Size of Miho spine roach (Cobitis choii) in the Backgok Stream, Korea  

Bae, Dae-Yul (Chungrok Environmental Ecosystem Research Institute)
Moon, Woon-Ki (Chungrok Environmental Ecosystem Research Institute)
Jang, Min-Ho (Department of Biology Education, Kongju National University)
Jang, Kuy-Sang (Department of Environmental Assessment, Korea Rural Research Institute)
Seo, Jung-Bin (Department of Environmental Assessment, Korea Rural Research Institute)
Kim, Won-Jang (Department of Environmental Assessment, Korea Rural Research Institute)
Kim, Jae-Ok (Department of Environmental Assessment, Korea Rural Research Institute)
Kim, Jai-Ku (Chungrok Environmental Ecosystem Research Institute)
Publication Information
Korean Journal of Ecology and Environment / v.45, no.3, 2012 , pp. 322-328 More about this Journal
Abstract
To estimate the population size of Miho spine roach (Cobitis choii), one of national monument species in Korea, multiple mark-recapture experiments (Jolly-Seber model) by VIE tagging were conducted in the upper region of the Backgok Stream located in the Kum-River system, Korea. Fish sampling was conducted at four different times from October 5 to October 26, 2011. A total of 335 sampling points were sampled, where the species was determined in 217. The population size was estimated to be 6,143 in this study. Compared to a previous report conducted by the Korean Ministry of Environment (2009), the population size of this species has decreased by 41%. The reasons for population decline are thought to be due to loss of microhabitat, sedimentation, water pollution. Consequently, a habitat restoration program is required to protect the microhabitat and recover the population size in this area.
Keywords
mark-recapture; Jolly-Seber; VIE tagging; Cobitis choii; population size; microhabitat;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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