FR568472A - Passage ascensionnel pour poissons - Google Patents

Passage ascensionnel pour poissons

Info

Publication number
FR568472A
FR568472A FR568472DA FR568472A FR 568472 A FR568472 A FR 568472A FR 568472D A FR568472D A FR 568472DA FR 568472 A FR568472 A FR 568472A
Authority
FR
France
Prior art keywords
fish
ascending passage
ascending
passage
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
Other languages
English (en)
Inventor
Laurent Espagne
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Application granted granted Critical
Publication of FR568472A publication Critical patent/FR568472A/fr
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02B—HYDRAULIC ENGINEERING
    • E02B8/00—Details of barrages or weirs ; Energy dissipating devices carried by lock or dry-dock gates
    • E02B8/08—Fish passes or other means providing for migration of fish; Passages for rafts or boats
    • E02B8/085—Devices allowing fish migration, e.g. fish traps
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
    • Y02A40/60—Ecological corridors or buffer zones

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Marine Sciences & Fisheries (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
FR568472D 1923-06-26 1923-06-26 Passage ascensionnel pour poissons Expired FR568472A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR568472T 1923-06-26

Publications (1)

Publication Number Publication Date
FR568472A true FR568472A (fr) 1924-03-25

Family

ID=8948525

Family Applications (1)

Application Number Title Priority Date Filing Date
FR568472D Expired FR568472A (fr) 1923-06-26 1923-06-26 Passage ascensionnel pour poissons

Country Status (1)

Country Link
FR (1) FR568472A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2922282A (en) * 1955-01-18 1960-01-26 Cloie H Dohrer Fishway

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2922282A (en) * 1955-01-18 1960-01-26 Cloie H Dohrer Fishway

Similar Documents

Publication Publication Date Title
FR568472A (fr) Passage ascensionnel pour poissons
FR582415A (fr) Raccord pour tuyauteries
FR568609A (fr) Grue perfectionnée
FR567122A (fr) Mangeoire pour volailles
FR562765A (fr) Hourdis pour constructions
FR566169A (fr) Crémone
FR26237E (fr) èlévateur
FR584520A (fr) Plot pour construction
FR572067A (fr) Ferrure pour persienne
FR568514A (fr) Décanteur pour réservoir
FR581755A (fr) Perfectionnement pour pulvérisateur
FR26054E (fr) Monte-charges
FR574690A (fr) Stabilisateur pour bicycles
FR27572E (fr) Réfrigérant-réchauffeur pour fluides
FR567743A (fr) Super-récepteur pour t. s. f.
FR573828A (fr) Perfectionnements aux obturateurs pour cinématographes
FI9342A (fi) Torvstickmaskin
FI9475A (fi) Säkerhetsbromsanordning
FI10010A (fi) Gripredskap
FI10015A (fi) Rotfruktsupptagare
FI10019A (fi) Smörjinrättning
FI10025A (fi) Minkastare
FI9336A (fi) Lassvåg
FI9339A (fi) Rör-avskärare
FI9545A (fi) Fotografiska skiktbärare