深海の採食行動:化石記録におけるそのバチメトリックの可能性
Science (New York, N.Y.)
|June 16, 1978
まとめ
深海での食糧採集の痕跡は,食糧の利用可能性の予測と一致しない. 行動の複雑性と感受性は,深度に関連する変化を示さないため,現代の環境に対する現在の痕跡化石モデルに挑戦しています.
科学分野:
- マリン・バイオロジーの海洋生物学
- パレオントロジー・パレオントロジー
- 深海の生態学 深海の生態学
背景:
- 痕跡化石は,古代生物の行動についての洞察を提供します.
- 深海の環境は研究が困難で,現代の採食パターンの理解を制限しています.
研究 の 目的:
- 深海での採食の痕跡の分布を調査する.
- 採食行動と食糧の利用可能性との関係を評価する.
- 現代の深海の生態系における痕跡化石のパラダイムの予測力を評価する.
主な方法:
- データを収集するために深海写真が使用されました.
- スパイラルとメアンダーの餌食の痕跡の分析.
- 行動の複雑性と感受性グラデーションの評価.
主要な成果:
- 採食の痕跡は,想定される食料の利用可能性に応じて分配されません.
- 行動の複雑さや敏感性において,バチメトリックのグラデーションは観察されなかった.
- 現在の痕跡化石モデルでは,現代の深海採食を正確に予測できません.
結論:
- 深海の採食行動は,以前モデル化されていたよりも複雑です.
- 食品の利用可能性は,深海における微生物の分布の主な要因ではないかもしれません.
- 深海の生態系のモデルを精錬するためにさらなる研究が必要である.
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