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21世紀におけるヨーロッパハチミツの減少予測
Guillaume Ghisbain1,2, Wim Thiery3, François Massonnet4
1Spatial Epidemiology Lab (SpELL), Université Libre de Bruxelles, Brussels, Belgium. guillaume.ghisbain@umons.ac.be.
Nature
|September 13, 2023
まとめ
住環境の悪化や 気候変動により ヨーロッパにおけるハチミツの個体数は減少しています スカンジナビアが避難場所になる可能性があり,世界的な変化緩和政策の必要性を強調しています.
科学分野:
- エコロジー
- 保護生物学
- 気候変動科学
背景:
- 住環境の劣化と気候変動は 生物多様性の損失を 引き起こしている主な要因です
- ハチミツは 重要な受粉者であり 農作物の生産価値に 大きく貢献しています
- 多くのハチミツの種は 絶滅の危機に瀕し 人口が減少しています
研究 の 目的:
- 欧州のハチミツの過去,現在,将来の生態学的適性を定量化する.
- 気候や土地利用の変化がハチミツ集団に与える影響を評価する.
- 将来のシナリオでヨーロッパハチミツの潜在的な避難所を特定する.
主な方法:
- ヨーロッパのホンマの生態学的適性に関する過去と予測の分析
- 様々な気候と土地利用のシナリオの下での範囲の縮小と種の絶滅のモデリング.
- ハンマー種の潜在的領土喪失の評価
主要な成果:
- ヨーロッパのハチミツの個体数は1900年以来一貫して減少している.
- ヨーロッパ全域で大規模な範囲の縮小と種の絶滅が予測されています.
- 2061年から2080年までには,少なくとも30%の適した地域を失う可能性がある.
- スカンジナビアはハチミツの 将来の避難場所として 特定されました
結論:
- 気候変動や土地利用の変化が ヨーロッパのハチミツに 深刻な脅威をもたらしています
- 効果的な地球温暖化対策は ハチの保全に不可欠です
- 潜在的避難地におけるハチミツの長期生存可能性は,他の人為的なストレス要因のために不確実である.
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