Hi, 

I have gis point data of plant volumes, I wish to interpolate from these points 
to give me a shape file/raster of volumes across my study area (I was thinking 
of using spatial analyst tools (kriging interpolation) in ArcGIS.  

In addition to the point data I have probability of plant occurrence data (as a 
raster). 

I want to restrict the interpolation so that it does not extent to any areas 
where the probability of plant occurrence is less than 0.2. 
(because I can not have a volume of plants in a given location if the 
probability of plants occurring in that location is 0/very very low)

Does anyone know if/how I could do this?

All help is appreciated,
Thank you
sadz


      
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