Ecological MethodologyEcological Methodology, Second Edition provides a balance of material on animal and plant populations, and teaches students of ecology how to design efficient tests in order to obtain maximum precision with minimal work. |
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Page 37
... marked animal in the sample : When was this marked individual last captured ? Often animals are tagged individually ... animals in the first sample must be unmarked , by definition . For the second and all subsequent samples the total ...
... marked animal in the sample : When was this marked individual last captured ? Often animals are tagged individually ... animals in the first sample must be unmarked , by definition . For the second and all subsequent samples the total ...
Page 45
... marked with different kinds of marks in time 1 and time 2. In Method 1 situations , different sampling techniques ... animals caught and marked at time 1 = m10 Number of marked animals caught at time 1 only and not seen again = m12 ...
... marked with different kinds of marks in time 1 and time 2. In Method 1 situations , different sampling techniques ... animals caught and marked at time 1 = m10 Number of marked animals caught at time 1 only and not seen again = m12 ...
Page 55
... marked animals , define individuals caught only once as ā unmarked ā animals and individuals caught twice or more as " marked ā animals . We apply exactly the same arguments we made earlier in developing the Jolly - Seber model and ...
... marked animals , define individuals caught only once as ā unmarked ā animals and individuals caught twice or more as " marked ā animals . We apply exactly the same arguments we made earlier in developing the Jolly - Seber model and ...
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Common terms and phrases
abundance aphids Appendix assumptions bias calculations capture Caughley census zone Chapter chi-square clumped coefficient of variation confidence interval confidence limits defined density estimate distance ecological ecologists END-OF-FILE Enter equal catchability equation estimate of population estimate population example Figure finite population FORMAT 2X formula frequency distribution index of dispersion line transect mark-recapture marked animals method nā nearest neighbor negative binomial distribution niche breadth niche overlap normal distribution null hypothesis Number of animals Number of individuals number of quadrats number of samples number of species observed obtained parameters Petersen plot Poisson distribution population density population estimate problem Program proportion quadrat counts random points random sampling ratio READ recaptures regression sample size sample sizes sampling unit Schnabel Seber second sample simple random sampling spatial pattern standard error statistical statistical population stratum study area survival rate Table techniques Total number transformation variable variance