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Use of space-filling curves to select sample locations in natural resource monitoring studiesAuthor(s): Andrew Lister; Charles T. Scott
Source: Environmental Monitoring and Assessment. 149: 71-80.
Publication Series: Scientific Journal (JRNL)
Station: Northern Research Station
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DescriptionThe establishment of several large area monitoring networks over the past few decades has led to increased research into ways to spatially balance sample locations across the landscape. Many of these methods are well documented and have been used in the past with great success. In this paper, we present a method using geographic information systems (GIS) and fractals to create a sampling frame, superimpose a tessellation and draw a sample. We present a case study that illustrates the technique and compares results to those from other methods using data from Voyageurs National Park in Minnesota. Our method compares favorably with results from a popular plot selection method, Generalized Random Tessellation Stratified Design, and offers several additional advantages, including ease of implementation, intuitive appeal, and the ability to maintain spatial balance by adding new plots in the event of an inaccessible plot encountered in the field.
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CitationLister, Andrew; Scott, Charles T. 2009. Use of space-filling curves to select sample locations in natural resource monitoring studies. Environmental Monitoring and Assessment. 149: 71-80.
KeywordsGIS, monitoring, sample grid, sample selection, sampling frame, space-filling curve
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