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. |
From inside the book
Results 1-3 of 60
Page 84
... approximate k by Method 1 above ( equation 3.10 ) . 2. Locate your sample on Figure 3.9 , given the observed mean and this ap- proximate estimate of k . 3. Estimate from the contour lines the relative efficiency for the two methods . 4 ...
... approximate k by Method 1 above ( equation 3.10 ) . 2. Locate your sample on Figure 3.9 , given the observed mean and this ap- proximate estimate of k . 3. Estimate from the contour lines the relative efficiency for the two methods . 4 ...
Page 86
... approximate k estimate ( equation 3.10 ) : x2 Approximate k = = 3.07 s2 - x 2. Determine the A , sums : Ao = fi + ƒ1⁄2 + f3 + £ 4 + £ 5 + £ 6 + f7 + f8 + f9 = 8 + 9 + 6 +6 + 2 + 5 + 3 + 1 + 4 = 44 A1 = √2 + ₤ 3 + ₤ 4 + A2 = f3 + f4 + ...
... approximate k estimate ( equation 3.10 ) : x2 Approximate k = = 3.07 s2 - x 2. Determine the A , sums : Ao = fi + ƒ1⁄2 + f3 + £ 4 + £ 5 + £ 6 + f7 + f8 + f9 = 8 + 9 + 6 +6 + 2 + 5 + 3 + 1 + 4 = 44 A1 = √2 + ₤ 3 + ₤ 4 + A2 = f3 + f4 + ...
Page 258
... Approximate guess of population size L = Predetermined stopping rule for Σ M , C1 C = Number of individuals caught in each sample ( a constant ) ( 7.38 ) Thus if you can guess , for example , that you have a population of 2000 fish and ...
... Approximate guess of population size L = Predetermined stopping rule for Σ M , C1 C = Number of individuals caught in each sample ( a constant ) ( 7.38 ) Thus if you can guess , for example , that you have a population of 2000 fish and ...
Other editions - View all
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