Documentation for the spatial analysis system (SPAN) for resource use by animals

McElroy, David A. and Lindberg, William J. (1986) Documentation for the spatial analysis system (SPAN) for resource use by animals. Gainesville, FL, Florida Sea Grant College, ( Florida Sea Grant College Technical Paper, 43)

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Abstract

Nearest-neighbor analyses have been used with mapped data f or tests of spatial dispersion and association i n plant and animal ecology. This paper full describes a computer software package developed to use Monte Carlo trials instead of chi-squared distributions for assigning probabilities to observed values of nearest neighbor statistics. The program can factor-out the unique geometry of resources in a sample plot,which can affect locations of animals, thus testing for direct patterns among the animals independent of their resource patterns. The Kappa statistic for association is a1 o calculated a1though its application has met with limited success. A users manual and the Fortran program language is included. (80pp.)

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