[Qgis-user] Merging shapefiles

[Randal Hale]

You should be able to merge all the shapefiles in a directory (assuming 
they are all the same projection/attributes). Vector -> Data Management 
-> Merge Shapefiles

If you are able to merge them, you can use the plugin Group Stats to 
find the number of species available in each QDS.

Randy

--------------------------------------------
Randal Hale
North River Geographic Systems, Inc
http://www.northrivergeographic.com
423.653.3611 rjhale at northrivergeographic.com
twitter:rjhale     http://about.me/rjhale
http://www.northrivergeographic.com/introduction-to-quantum-gis

On 03/15/2015 05:59 PM, Pat Brown wrote:
> I have a number of shapefiles showing the distribution of various 
> plants. The distribution data are in the form of polygons as they are 
> recorded by quarter-degree square (QDS). I want to find out how many 
> species are present in each QDS. What is the best way to do this? 
> Should I first merge the shapefiles? is there a way to do this without 
> merging? What would be the advantages of merging? There are about 200 
> shapefiles. Many thanks
>
>
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