     sample_number_proof = NEW.sample_number_proof,
     digital_proof = NEW.digital_proof,
     non_digital_proof = NEW.non_digital_proof,
-    comments  = CONCAT('Relevé : ',COALESCE(releve.comment, '-' ), ' Occurrence: ', COALESCE(NEW.comment, '-' )),
+    comments  = CONCAT(COALESCE('Relevé : '||releve.comment || ' / ', NULL ), COALESCE('Occurrence: '||NEW.comment, NULL)),
     last_action = 'U'
-    WHERE unique_id_sinp IN (SELECT unique_id_sinp_occtax FROM pr_occtax.cor_counting_occtax WHERE id_occurrence_occtax = NEW.id_occurrence_occtax);
+  WHERE unique_id_sinp IN (SELECT unique_id_sinp_occtax FROM pr_occtax.cor_counting_occtax WHERE id_occurrence_occtax = NEW.id_occurrence_occtax);
   RETURN NULL;
 END;
 $BODY$

  occurrence.determiner,
  releve.id_digitiser,
  occurrence.id_nomenclature_determination_method,
  CONCAT('Relevé : ', COALESCE(releve.comment, ' - '), 'Occurrence: ', COALESCE(occurrence.comment, ' -')),
  'I'
);


BEGIN
  -- récupération du releve pour le commentaire à concatener
  SELECT INTO releve * FROM pr_occtax.t_releves_occtax WHERE id_releve_occtax = NEW.id_releve_occtax;
  IF releve.comment = '' THEN releve.comment = NULL; END IF;
  IF NEW.comment = '' THEN NEW.comment = NULL; END IF;
  UPDATE gn_synthese.synthese SET
    id_nomenclature_obs_meth = NEW.id_nomenclature_obs_meth,
    id_nomenclature_bio_condition = NEW.id_nomenclature_bio_condition,
    id_nomenclature_bio_status = NEW.id_nomenclature_bio_status,
