北海道猿払川におけるイトウの産卵場所選択

• 森 由行

  海上自衛隊訓練支援艦くろべ

• 福島 路生

  環境庁国立環境研究所

• 小野 有五

  北海道大学大学院地球環境科学研究科

• 倉茂 好匡

  北海道大学大学院地球環境科学研究科

書誌事項

タイトル別名

• Spawning habitat selection of Sakhalin taimen in the Sarufutsu River, Hokkaido

抄録

In the spring of 1993, we observed 25 redds of Sakhalin taimen (Hucho perryi) in a tributary of the Sarufutsu River, northern Hokkaido. The distribution of the redds was almost identical during three consecutive spawning seasons in the study stream. Spawning habitat was evaluated by measuring eight variables at randomly selected pools and by comparing them between pools with and without redds. The area occupied by overhanging vegetation was uniformly large regardless of the presence of the redds, but was larger at pools with no redds. In contrast, the area occupied by woody debris and an undercut bank was larger at pools with redds than pools without redds.

収録刊行物

• 野生生物保護

  野生生物保護 3 (1), 41-51, 1997

  「野生生物と社会」学会

キーワード

• Sakhalin taimen
• Hucho perryi
• redds
• cover
• spawning habitat

詳細情報

• CRID: 1390282680328186368
• NII論文ID: 110001817075
• NII書誌ID: AA11473258
• DOI: 10.20798/wildlifeconsjp.3.1_41
• ISSN: 24331252
• ISSN: 13418777
• 本文言語コード: ja
• データソース種別:
  • JaLC
  • CiNii Articles
• 抄録ライセンスフラグ: 使用不可