updated according to 1970- sept 2014 comparative  mapping of sandy beach by Harel dan

habitats extent, trend and health updated according to 1970- sept 2014
comparative  mapping of sandy beach by Harel dan.
chemical  pollutions descriptions corrected

mix up between the 2 chemical pollution desciptions
values corrected to NCEAS numbering

values in wrong region numbers
values corrected to region nummbers

mix up between israeli region numbering and NCEAS. data checked and
updated