2004 Fiscal Year Final Research Report Summary
A study of water body classification and mitigation technology for preservation of fresh water fishes
| Project/Area Number |
15380161
|
|---|
| Research Category |
Grant-in-Aid for Scientific Research (B)
|
| Allocation Type | Single-year Grants |
|---|
| Section | 一般 |
|---|
| Research Field |
Irrigation, drainage and rural engineering/Rural planning
|
|---|
| Research Institution | Utsunomiya University |
|---|
Principal Investigator |
MIZUTANI Masakazu Utsunomiya University, Faculty of Agriculture, 農学部, 教授 (70093143)
|
|---|
| Co-Investigator(Kenkyū-buntansha) |
JINGUJI Hiroshi College of Akita Prefecture University, 講師 (10299779)
GOTO Akira Utsunomiya University, Faculty of Agriculture, 農学部, 教授 (80162139)
MATSUI Hiroyuki Utsunomiya University, Faculty of Agriculture, 農学部, 助手 (30292577)
|
|---|
| Project Period (FY) |
2003 – 2004
|
| Keywords | fresh water fish / mitigation / water body / canal / ditch / Leuciscus (Tribolodon) hakonensi / Lefua costata echigonia / Pungitus pungitus sp.2 / life cycle |
|---|
| Research Abstract |
1)A basic methodology for water body classification in hill bottom paddy fields was developed by field investigation and statistical analysis.
2)A mitigation plan for preservation of fresh water fishes was proposed and practiced in the paddy fields based on the water body classification, and modified HEP, Habitat Evaluation Procedure, were proved to be a reasonable method for mitigation plan.
3)Some mitigation measures, such as fish way, rink canal, artificial pond, avoidance of earth canal, etc. were implemented in the paddy field, and the effects of the measures were examined.
4)The life cycle of some fresh water fishes, such as Leuciscus (Tribolodon) hakonensis, Lefua costata echigonia and Pungitus pungitus sp.2, were investigated and the features were discussed.
|
