気候変動下におけるコーヒービーホークモス(Cephanodes hylas L.)の地球規模の分布予測:MaxEntを用いた解析
Kartik Omanakuttan1, Taniya Pandey2, Abhimanyu Chettri2
1Department of Zoology, Soban Singh Jeena University Campus, Almora, 263601, Uttarakhand, India. kartikzoologist@gmail.com.
Scientific reports
|February 27, 2026
まとめ
コーヒービーホークモス(Cephonodes hylas)は、コーヒーおよび園芸植物にとって脅威となる。気候変動により、2080年までにその生息地の適応可能面積が大幅に増加または減少する可能性がある。
科学分野:
- 農業昆虫学
- 気候変動影響評価
- 生態モデリング
背景:
- コーヒービーホークモス(Cephonodes hylas)は主要な農業害虫です。
- 幼虫はコーヒー種およびガーデニアを食害し、収穫量に影響を与えます。
- 正確な分布評価は、害虫管理戦略にとって不可欠です。
研究 の 目的:
- C. hylas の潜在的な分布をモデル化すること。
- 将来の社会経済および気候シナリオ(2041-2080年)下での生息地の変化を予測すること。
- C. hylas の分布における主要な環境要因を特定すること。
主な方法:
- MaxEntを用いた種分布モデリング。
- AUC(0.925)およびTSS(0.815)を用いたモデル精度の評価。
- 環境変数(降水量、等温性、気温、日較差)の分析。
主要な成果:
- C. hylas は現在、アフリカとアジアに広く分布しています。
- 低排出シナリオでは、2080年までに適応可能面積が6.51%増加すると予測されます。
- 高排出シナリオでは、2080年までに適応可能面積が55.46%大幅に減少すると予測されます。
結論:
- 気候変動は C. hylas の分布に大きく影響します。
- 害虫の監視と適応的管理戦略が急務です。
- 将来の農業への影響は、排出シナリオと害虫の分布シフトに依存します。
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