Control of a bluegill population by angling

DOI JASI Web Site 2 Citations 24 References
  • YONEKURA RYUJI
    Gifu Prefectural Research Institute for Freshwater Fish and Aquatic Environments
  • KARIYA TETSUJI
    Gifu Prefectural Research Institute for Freshwater Fish and Aquatic Environments
  • FUJII RYOUJI
    Gifu Prefectural Research Institute for Freshwater Fish and Aquatic Environments
  • KUMAZAKI HIROSHI
    Gifu Prefectural Research Institute for Freshwater Fish and Aquatic Environments
  • SAITO KAORU
    Gifu Prefectural Research Institute for Freshwater Fish and Aquatic Environments
  • KUMAZAKI TAKAO
    Gifu Prefectural Research Institute for Freshwater Fish and Aquatic Environments
  • KUWADA TOMONORI
    Gifu Prefectural Research Institute for Freshwater Fish and Aquatic Environments
  • HARA TORU
    Gifu Prefectural Research Institute for Freshwater Fish and Aquatic Environments
  • TOKUHARA TETSUYA
    Gifu Prefectural Research Institute for Freshwater Fish and Aquatic Environments
  • KAGEYAMA TETSUJI
    Gifu Prefectural Research Institute for Freshwater Fish and Aquatic Environments

Bibliographic Information

Other Title
  • 釣りによるブルーギル個体群の抑制
  • ツリ ニ ヨル ブルーギル コタイグン ノ ヨクセイ

Search this article

Description

  We examined the effectiveness of removal by angling in order to control the population size of the invasive exotic bluegill in Hananoko Lake, Gifu, Japan. A total of 15,966 individuals were caught by angling. Estimates based on a mark-recapture method revealed that the population size was reduced from 24,231 to 10,092 individuals over 15 months of population control. The change in the size distribution suggested that removal by angling not only reduced the number of potentially mature individuals but also decreased the recruitment of juvenile fish. This evidence indicates that removal by angling could control the population size of the bluegill, although a complete extermination by angling alone may be difficult.<br>

Journal

Citations (2)*help

See more

References(24)*help

See more

Keywords

Details 詳細情報について

Report a problem

Back to top