JPH04149306A - 降下魚道装置 - Google Patents

降下魚道装置

Info

Publication number
JPH04149306A
JPH04149306A JP2275604A JP27560490A JPH04149306A JP H04149306 A JPH04149306 A JP H04149306A JP 2275604 A JP2275604 A JP 2275604A JP 27560490 A JP27560490 A JP 27560490A JP H04149306 A JPH04149306 A JP H04149306A
Authority
JP
Japan
Prior art keywords
fish
water
chute
tank
water level
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.)
Granted
Application number
JP2275604A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0555652B2 (enrdf_load_stackoverflow
Inventor
Kunikazu Aragata
荒ヶ田　国和
Hirokatsu Uchida
内田　浩勝
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hokoku Kogyo Co Ltd
Original Assignee
Hokoku Kogyo Co Ltd
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 Hokoku Kogyo Co Ltd filed Critical Hokoku Kogyo Co Ltd
Priority to JP2275604A priority Critical patent/JPH04149306A/ja
Publication of JPH04149306A publication Critical patent/JPH04149306A/ja
Publication of JPH0555652B2 publication Critical patent/JPH0555652B2/ja
Granted legal-status Critical Current

Links

Classifications

    • 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

  • Mechanical Means For Catching Fish (AREA)
  • Farming Of Fish And Shellfish (AREA)
JP2275604A 1990-10-15 1990-10-15 降下魚道装置 Granted JPH04149306A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2275604A JPH04149306A (ja) 1990-10-15 1990-10-15 降下魚道装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2275604A JPH04149306A (ja) 1990-10-15 1990-10-15 降下魚道装置

Publications (2)

Publication Number Publication Date
JPH04149306A true JPH04149306A (ja) 1992-05-22
JPH0555652B2 JPH0555652B2 (enrdf_load_stackoverflow) 1993-08-17

Family

ID=17557759

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2275604A Granted JPH04149306A (ja) 1990-10-15 1990-10-15 降下魚道装置

Country Status (1)

Country Link
JP (1) JPH04149306A (enrdf_load_stackoverflow)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6325570B1 (en) * 1997-06-17 2001-12-04 Ecoriver Oy Fishway system with turbine
US6588370B1 (en) * 2001-10-03 2003-07-08 The United States Of America As Represented By The Secretary Of The Interior Labyrinth weir and pool fishway
US6942423B2 (en) * 2001-12-26 2005-09-13 Robert E. Davis Migratory fish channel associated with one or more dams in a river
US9765495B2 (en) 2001-07-09 2017-09-19 Henry K. Obermeyer Water control apparatus

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR970019714A (ko) * 1995-09-14 1997-04-30 김광호 간이교환 시스템에서 보류중 통화라인이 절단될시 통화기능 중지방법 및 그 장치

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6325570B1 (en) * 1997-06-17 2001-12-04 Ecoriver Oy Fishway system with turbine
US9765495B2 (en) 2001-07-09 2017-09-19 Henry K. Obermeyer Water control apparatus
US6588370B1 (en) * 2001-10-03 2003-07-08 The United States Of America As Represented By The Secretary Of The Interior Labyrinth weir and pool fishway
US6942423B2 (en) * 2001-12-26 2005-09-13 Robert E. Davis Migratory fish channel associated with one or more dams in a river

Also Published As

Publication number Publication date
JPH0555652B2 (enrdf_load_stackoverflow) 1993-08-17

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