Dear Helen,

I do not have access to ArcGIS - so I can not even open the file (I can unzip the .lpk but not open the .sdc file). However, the package information says that the data is in WGS 84 - so if you imported into R you need to assign WGS 84 first and then convert and this should work.
>From memory, ArcGIS or QGIS always assign a CRS on opening so make sure it is the correct one before projection.
>From my experience, in 99% of cases where students struggled with the CRS it was an issue with QGIS and ArcGIS.

Best regards,

Ralf Schäfer

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Prof. Dr. habil. Ralf Bernhard Schäfer
Juniorprofessor for Quantitative Landscape Ecology
Environmental Scientist (M.Sc.)
Institute for Environmental Sciences
University Koblenz-Landau
Fortstrasse 7
76829 Landau
Germany
Mail: schaefer-ralf@uni-landau.de
Phone: ++49 (0) 6341 280-31536
Web: www.landscapecology.uni-landau.de












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