SE0102619L - Device for counting fish in fish stairs or other systems for guiding migratory fish - Google Patents

Device for counting fish in fish stairs or other systems for guiding migratory fish

Info

Publication number
SE0102619L
SE0102619L SE0102619A SE0102619A SE0102619L SE 0102619 L SE0102619 L SE 0102619L SE 0102619 A SE0102619 A SE 0102619A SE 0102619 A SE0102619 A SE 0102619A SE 0102619 L SE0102619 L SE 0102619L
Authority
SE
Sweden
Prior art keywords
fish
stairs
guiding
systems
counting
Prior art date
Application number
SE0102619A
Other languages
Swedish (sv)
Other versions
SE0102619D0 (en
SE523907C2 (en
Inventor
Kaare O Myhre
Original Assignee
Kaare O Myhre
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 by Kaare O Myhre filed Critical Kaare O Myhre
Publication of SE0102619D0 publication Critical patent/SE0102619D0/en
Publication of SE0102619L publication Critical patent/SE0102619L/en
Publication of SE523907C2 publication Critical patent/SE523907C2/en

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02BHYDRAULIC ENGINEERING
    • E02B8/00Details of barrages or weirs ; Energy dissipating devices carried by lock or dry-dock gates
    • E02B8/08Fish passes or other means providing for migration of fish; Passages for rafts or boats
    • A01K61/001
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01KANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
    • A01K61/00Culture of aquatic animals
    • A01K61/90Sorting, grading, counting or marking live aquatic animals, e.g. sex determination
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06MCOUNTING MECHANISMS; COUNTING OF OBJECTS NOT OTHERWISE PROVIDED FOR
    • G06M11/00Counting of objects distributed at random, e.g. on a surface
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A40/00Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
    • Y02A40/60Ecological corridors or buffer zones
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A40/00Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
    • Y02A40/80Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management
    • Y02A40/81Aquaculture, e.g. of fish

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Zoology (AREA)
  • Environmental Sciences (AREA)
  • Civil Engineering (AREA)
  • Theoretical Computer Science (AREA)
  • Structural Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Marine Sciences & Fisheries (AREA)
  • Animal Husbandry (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Physics & Mathematics (AREA)
  • Time Recorders, Dirve Recorders, Access Control (AREA)
  • Processing Of Meat And Fish (AREA)
  • Farming Of Fish And Shellfish (AREA)

Abstract

The counting device has at least one guide wall (9) pivotally mounted on an axle (8) on the upstream side of a gate (10) or similar narrow passage for the fish to swim through. The wall is made to vibrate as the fish swims through the gate and these vibrations are recorded.
SE0102619A 2000-07-31 2001-07-27 Counting device for fish in traps or other systems for guiding migratory fish, comprises pivoting guide wall moved by fish as it swims past SE523907C2 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NO20003896A NO20003896D0 (en) 2000-07-31 2000-07-31 Fish counting device

Publications (3)

Publication Number Publication Date
SE0102619D0 SE0102619D0 (en) 2001-07-27
SE0102619L true SE0102619L (en) 2002-02-01
SE523907C2 SE523907C2 (en) 2004-06-01

Family

ID=19911444

Family Applications (1)

Application Number Title Priority Date Filing Date
SE0102619A SE523907C2 (en) 2000-07-31 2001-07-27 Counting device for fish in traps or other systems for guiding migratory fish, comprises pivoting guide wall moved by fish as it swims past

Country Status (3)

Country Link
FI (1) FI119114B (en)
NO (1) NO20003896D0 (en)
SE (1) SE523907C2 (en)

Also Published As

Publication number Publication date
FI20011565A (en) 2002-02-01
FI119114B (en) 2008-07-31
FI20011565A0 (en) 2001-07-23
NO20003896D0 (en) 2000-07-31
SE0102619D0 (en) 2001-07-27
SE523907C2 (en) 2004-06-01

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Legal Events

Date Code Title Description
NUG Patent has lapsed