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 73
... probability ) : Probability of observing zero individuals in a quadrat = e TM " Probability of observing one individual in a quadrat = e Probability of observing two individuals in a quadrat = e ̄ - ( 6 ) 2 Probability of observing ...
... probability ) : Probability of observing zero individuals in a quadrat = e TM " Probability of observing one individual in a quadrat = e Probability of observing two individuals in a quadrat = e ̄ - ( 6 ) 2 Probability of observing ...
Page 202
... probability and a random number table . If you collect a sample according to these principles of probability sampling , a statis- tician can determine the appropriate sampling theory to apply to the data you gather . Some types of ...
... probability and a random number table . If you collect a sample according to these principles of probability sampling , a statis- tician can determine the appropriate sampling theory to apply to the data you gather . Some types of ...
Page 232
... probability or with probability proportional to size ( PPS ) . For example , in Figure 6.4 we could choose two of the seven primary sampling units at random , assigning a probability of 1 in 7 to each . Alternatively , we could note ...
... probability or with probability proportional to size ( PPS ) . For example , in Figure 6.4 we could choose two of the seven primary sampling units at random , assigning a probability of 1 in 7 to each . Alternatively , we could note ...
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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 n₁ 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