生態学モデルの生態リスク分析への適用　　外挿法と生活史感度解析の効用

• 田中 嘉成

  横浜国立大学環境科学研究センター 科学技術振興事業団

• 中西 準子

  横浜国立大学環境科学研究センター

書誌事項

タイトル別名

• Application of Ecological Models to Ecological Risk Assessment. The Extrapolation and the Life History Sensitivity Analysis.
• セイタイガク モデル ノ セイタイ リスク ブンセキ エ ノ テキヨウ ガイソ
• The Extrapolation and the Life History Sensitivity Analysis
• 外挿法と生活史感度解析の効用

抄録

Ecotoxicological data using life table evaluation are reviewed and analyzed with the power function model. Life table evaluation and population growth experiments are proposed as experimental procedures that provide demographic parameters (e.g. intrinsic rate of natural increase) relevant for calculating extinction risk due to pollutant exposure. Totally 47 concentration vs. intrinsic rate data sets were collected and analyzed with two indices in the power function model, α and β. The α-value is the concentration at which the intrinsic rate of increase drops off below zero due to exposure and the β-value represents curvature of the response. The α-values, which represent strength of ecological toxicity, are highly correlated with acute LC₅₀s. It is indicated that the α-values are indirectly predictable from acute LC₅₀s. Such statistical extrapolation may be useful for ecological risk assessment based on extinction probability of populations.

収録刊行物

• 水環境学会誌

  水環境学会誌 21 (9), 616-623, 1998

  公益社団法人 日本水環境学会

キーワード

• ecotoxicology
• population-level effect
• intrinsic rate of natural increase
• ecological models
• extinction

詳細情報

• CRID: 1390282680058154240
• NII論文ID: 10007469594
• NII書誌ID: AN10372439
• DOI: 10.2965/jswe.21.616
• COI: 1:CAS:528:DyaK1cXmt1ylt70%3D
• ISSN: 18813690
• ISSN: 09168958
• NDL書誌ID: 4573252
• Web Site: https://ndlsearch.ndl.go.jp/books/R000000004-I4573252
• Web Site: https://www.jstage.jst.go.jp/article/jswe/21/9/21_9_616/_pdf
• 本文言語コード: ja
• データソース種別:
  • JaLC
  • NDL
  • Crossref
  • CiNii Articles
• 抄録ライセンスフラグ: 使用不可