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Introduction

Spatial pattern analysis is a large and expanding field that permits the assessment of various landscape metrics to describe a defined region. Methods were originally introduced by Kevin McGarigal and were made available on various platforms through Fragstats (McGarigal and Marks 1995). Various landscape metrics can be estimated in Fragstats that include derivations of measures ranging from patch size and area to edge density and spatial configuration of habitat. At the current time, the only package availabe in R is the SDMTools package. Although the SDMToolsl package is limited, it provides a great deal of landscape metrics and will be the focus of the code that follows.