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- W2364755630 abstract "By using data of the age composition and standard weight growth curve, a new method was put forward to estimate the age-specific survival rates of C. triton population, which is as follows:Provided that: Ni, k is the number of age class i and sampled at time k, m is the total number of samples. Ni and Nj are respectively the total number of age class i and j. Ti and Tj are respectively the development time of age class i and j. Ti,j is the development time from age class i to j. (?) i,j is the survival rate between age class i and j. Si,j is monthly survival rate between age class i and j. If the sample interval between time k and k + 1 is small, thenhere, DTk presents the sample interval between time k and k+ 1. If DTk is stable, thusand,(30/Ti,i*ln i,j) Si,j=eThe development times can be estimated according to standard weight growth curve by laboratory raising or field capture-mark-recapture technique.With the above method, we estimated the survival rates of C. triton population in Yaoyang County, Hebei Province of China in 1986 and 1988. The monthly survival rates of age class Embryo-Ⅱ, Ⅱ-Ⅲ, Ⅲ-Ⅳ and Ⅳ in 1986 are 0.6031, 0.5874, 0.7423, 0.7426 respectively, with the avreage 0.6689; in 1988 they are 0.5716, 0.6417, 0.5658, 0.7437 respectively, with the average 0.6307." @default.
- W2364755630 created "2016-06-24" @default.
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- W2364755630 date "1993-01-01" @default.
- W2364755630 modified "2023-09-25" @default.
- W2364755630 title "ESTIMATING THE AGE-SPECIFIC SURVIVAL RATES OF CRICETULUS TRITON POPULATION" @default.
- W2364755630 hasPublicationYear "1993" @default.
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