JPH042184Y2 - - Google Patents
Info
- Publication number
- JPH042184Y2 JPH042184Y2 JP1989139089U JP13908989U JPH042184Y2 JP H042184 Y2 JPH042184 Y2 JP H042184Y2 JP 1989139089 U JP1989139089 U JP 1989139089U JP 13908989 U JP13908989 U JP 13908989U JP H042184 Y2 JPH042184 Y2 JP H042184Y2
- Authority
- JP
- Japan
- Prior art keywords
- vertical wall
- base portion
- fish
- block
- hollow
- 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
Links
- 241000251468 Actinopterygii Species 0.000 claims description 16
- 239000011435 rock Substances 0.000 claims description 5
- 230000008595 infiltration Effects 0.000 claims 1
- 238000001764 infiltration Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 description 4
- 238000010276 construction Methods 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000035515 penetration Effects 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 1
- 238000003908 quality control method Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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
- Y02A40/80—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management
- Y02A40/81—Aquaculture, e.g. of fish
Landscapes
- Sewage (AREA)
- Artificial Fish Reefs (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989139089U JPH042184Y2 (cs) | 1989-11-29 | 1989-11-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989139089U JPH042184Y2 (cs) | 1989-11-29 | 1989-11-29 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0379325U JPH0379325U (cs) | 1991-08-13 |
| JPH042184Y2 true JPH042184Y2 (cs) | 1992-01-24 |
Family
ID=31686150
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1989139089U Expired JPH042184Y2 (cs) | 1989-11-29 | 1989-11-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH042184Y2 (cs) |
-
1989
- 1989-11-29 JP JP1989139089U patent/JPH042184Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0379325U (cs) | 1991-08-13 |
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