The study of population dynamics by the Jolly – Seber method in the butterflies (Insecta, Lepidoptera: Hesprioidea et Papilionoidea)

Gorbach, Vyacheslav

doi:10.15393/j1.art.2013.2601

Cited by 2 publications

(3 citation statements)

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“…The advantage of the Jolly‐Seber method over the other two methods used in our study is that one can calculate both the daily abundance and the total abundance over a longer time period. This method has provided adequate population estimates, agreeing with the results of direct counts, for some other invertebrates (Gorbach, 2013; Zúñiga et al, 2002). This method allows for the possibility of inflow and outflow of individuals, which is important for estimating the abundance of ticks during the entire activity season.…”

Section: Discussionsupporting

confidence: 68%

“…In a study of metapopulations (or spatially divided populations) of butterflies based on controlled migration of marked individuals, the number of recaptures reached 50%–70% in relatively closed small habitats and dropped almost down to zero in habitats with a lesser isolation (Gorbach, 2013). In our study the proportion of recaptures of ticks reached about 50%.…”

Section: Discussionmentioning

confidence: 99%

“…The unlimited fluctuations of the model's parameters result in a sharp imbalance between the total abundance estimates. To avoid these effects, we imposed biologically sound limits and adjusted the values of the model parameters by computer iteration (Gorbach, 2013). Demographic parameters ( Ø i and B i ) were estimated taking into account the recaptures of marked individuals made after 28 May.…”

Section: Methodsmentioning

confidence: 99%

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Mark‐release‐recapture of ticks: A case study of estimating the abundance of Ixodes persulcatus (Acari, Ixodidae)

Bugmyrin

Gorbach

2022

Medical Vet Entomology

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In this study, we tested the applicability of three common methods of absolute abundance estimation—Peterson, Bailey and Jolly‐Seber—to Ixodes persulcatus ticks based on mark‐release‐recapture data. The ticks were collected by flagging during the seasonal activity peak of the ticks in the mid‐taiga zone of Karelia (62.0697°N, 33.9614°E). In total, 108 females and 92 males of I. persulcatus were marked. The marked individuals were captured 161 times before the end of the study period with their proportion in the samples reaching 50%. Females were recaptured more often than males, 105 versus 56 times. Estimates of adult tick abundance ranged from 0.4 to 2 specimens per m2 depending on the calculation method. The obtained estimates of absolute abundance varied unpredictably depending on the length of the intervals between capture sessions and showed no significant correlations with the number of ticks collected by flagging. The choice of the method of tick abundance estimation mainly depends on the study aims. The Petersen method may be useful for quick estimates of local tick abundance, whereas the Jolly‐Seber method allows an estimation of the absolute abundance during the entire period of the tick activity. Individual marking of ticks may improve the accuracy of the estimates.

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Section: Discussionsupporting

confidence: 68%

Section: Discussionmentioning

confidence: 99%

Section: Methodsmentioning

confidence: 99%

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