topic Re: Quantify spatial heterogeneity at different scales in Spatial Statistics Questions
https://community.esri.com/t5/spatial-statistics-questions/quantify-spatial-heterogeneity-at-different-scales/m-p/67885#M255
<HTML><HEAD></HEAD><BODY><SPAN>Doing some brainstorming to encourage discussion . . . </SPAN><BR /><BR /><SPAN>1) Should the raster be converted to a a point layer? Although the points would all be at equal distances, could the heterogeneity of the values (i.e. bird abundance) still be quantified?</SPAN><BR /><BR /><SPAN>2) Whether using raster or vector tools: how is spatial heterogeneity defined using GIS tools? Are some more reflective of ecological processes?</SPAN><BR /><BR /><SPAN>3) Within a specific polygon size (eg watershed scale), can patches of non-significant differences in values (i.e. similar bird abundance) be created? If so, number, location and size of patches of similar bird abundance within each polygon (i.e. watershed) would be interesting. </SPAN><BR /><BR /><SPAN>4) What tool gives average distance of significant difference between points (or cells) within a polygon? If patches (i.e. polygons) are created from the point/cells, is there a tool that defines the amount of edges (i.e. there would be a lot more edges in a highly heterogeneous landscape).</SPAN><BR /><BR /><SPAN>5) . . .</SPAN></BODY></HTML>Tue, 19 Feb 2013 16:50:00 GMTJoseeRousseau2013-02-19T16:50:00ZQuantify spatial heterogeneity at different scales
https://community.esri.com/t5/spatial-statistics-questions/quantify-spatial-heterogeneity-at-different-scales/m-p/67884#M254
<HTML><HEAD></HEAD><BODY><SPAN>I have a raster layer representing bird abundance and would like to quantify the spatial heterogeneity of their abundance at 3 scales. Each scales is represented by a vector layer with a particular size polygons. </SPAN><BR /><BR /><SPAN>Any recommendations on which (raster) tool could help me? </SPAN><BR /><BR /><SPAN>Thank you!</SPAN></BODY></HTML>Fri, 15 Feb 2013 22:05:31 GMThttps://community.esri.com/t5/spatial-statistics-questions/quantify-spatial-heterogeneity-at-different-scales/m-p/67884#M254JoseeRousseau2013-02-15T22:05:31ZRe: Quantify spatial heterogeneity at different scales
https://community.esri.com/t5/spatial-statistics-questions/quantify-spatial-heterogeneity-at-different-scales/m-p/67885#M255
<HTML><HEAD></HEAD><BODY><SPAN>Doing some brainstorming to encourage discussion . . . </SPAN><BR /><BR /><SPAN>1) Should the raster be converted to a a point layer? Although the points would all be at equal distances, could the heterogeneity of the values (i.e. bird abundance) still be quantified?</SPAN><BR /><BR /><SPAN>2) Whether using raster or vector tools: how is spatial heterogeneity defined using GIS tools? Are some more reflective of ecological processes?</SPAN><BR /><BR /><SPAN>3) Within a specific polygon size (eg watershed scale), can patches of non-significant differences in values (i.e. similar bird abundance) be created? If so, number, location and size of patches of similar bird abundance within each polygon (i.e. watershed) would be interesting. </SPAN><BR /><BR /><SPAN>4) What tool gives average distance of significant difference between points (or cells) within a polygon? If patches (i.e. polygons) are created from the point/cells, is there a tool that defines the amount of edges (i.e. there would be a lot more edges in a highly heterogeneous landscape).</SPAN><BR /><BR /><SPAN>5) . . .</SPAN></BODY></HTML>Tue, 19 Feb 2013 16:50:00 GMThttps://community.esri.com/t5/spatial-statistics-questions/quantify-spatial-heterogeneity-at-different-scales/m-p/67885#M255JoseeRousseau2013-02-19T16:50:00Z