  - Indexes created for igs table   - Index created for foreign key reference of ig into specimens   - Index created for dates and date masks for igs and expeditions (for test purpose... to be generalized if necessary)
  - Indexes created for igs table
  - Index created for foreign key reference of ig into specimens
  - Index created for dates and date masks for igs and expeditions (for test purpose... to be generalized if necessary)

eMerzh/Darwin,eMerzh/Darwin,eMerzh/Darwin,naturalsciences/Darwin,naturalsciences/Darwin,naturalsciences/Darwin