inscription
PORTAIL D'INFORMATION GÉOGRAPHIQUE

Résultats de la recherche (1 résultat)

Affinez votre recherche

Par Collection Par Auteur Par Date Par Sujet Par Titre
  • PREPARATION OF THE RIVER BED AND BANKS FOR MAINTENANCE WORK, AND RESIZING, RESHAPING AND CORRECTION OF THE RIVER BED HAVE MANY ADVERSE AND RELATIVELY FEW BENEFICIAL EFFECTS ON FISH LIVE AND ENVIRONMENT. TO PRESERVE FISH-FARMING INTERESTS, THEREFORE
  • TO TIMING OF HYDRAULIC OPERATIONS AND ADDITIONAL DEVELOPMENT WORK SPECIFICALLY IN THE INTEREST OF FISH LIFE, E.G. SPAWNING GROUNDS, FISH HABITATS UNDERNEATH ARTIFICIAL RIVER BANKS, ETC.