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<p>Climate change is reshaping global temperature, humidity, and precipitation patterns, key factors influencing habitat suitability and facilitating the spread of invasive species. <i>Varroa destructor</i>, a parasitic mite that shifted hosts from <i>Apis cerana</i> to <i>Apis mellifera</i>, has become one of the most destructive threats to apiculture worldwide. Despite existing control measures, the mite continues to expand its range. In this study, we applied the Maximum Entropy (MaxEnt) model to predict current and future global distribution of climatically suitable habitats for <i>V. destructor</i>. Occurrence records were compiled from the Global Biodiversity Information Facility (GBIF), the Center for Agriculture and Bioscience International (CABI), and published literature. The model achieved acceptable predictive accuracy (mean AUC values = 0.87, TSS = 0.60, CBI = 0.86), demonstrating strong robustness and discriminatory power. We found that isothermality (38.3%), precipitation of the driest month (19.8%), maximum temperature of the warmest month (16.4%), precipitation seasonality (14%), and precipitation of the wettest month (7.1%) were the most influential variables. Projections under three future climate scenarios (SSP245, SSP370, and SSP585) indicate a decline in suitable habitats by the 2050s and 2070s, particularly under SSP585, with an estimated 18.38% reduction in suitable areas. However, parts of the Northern Hemisphere, including North America and Europe, are likely to remain highly suitable. These findings highlight the need for region-specific, sustainable management strategies to prevent further spread of <i>V. destructor</i> in high-risk areas.</p>

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Predicting climate-driven habitat shifts of Varroa destructor using MaxEnt and CMIP6 data

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2026年5月12日

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  • Peter Njukang Akongte,
  • Owusu Fordjour Aidoo,
  • Daegeun Oh,
  • Kim Jin-Myung,
  • Chang-hoon Lee,
  • Yong-Soo Choi,
  • Dongwon Kim

摘要

Climate change is reshaping global temperature, humidity, and precipitation patterns, key factors influencing habitat suitability and facilitating the spread of invasive species. Varroa destructor, a parasitic mite that shifted hosts from Apis cerana to Apis mellifera, has become one of the most destructive threats to apiculture worldwide. Despite existing control measures, the mite continues to expand its range. In this study, we applied the Maximum Entropy (MaxEnt) model to predict current and future global distribution of climatically suitable habitats for V. destructor. Occurrence records were compiled from the Global Biodiversity Information Facility (GBIF), the Center for Agriculture and Bioscience International (CABI), and published literature. The model achieved acceptable predictive accuracy (mean AUC values = 0.87, TSS = 0.60, CBI = 0.86), demonstrating strong robustness and discriminatory power. We found that isothermality (38.3%), precipitation of the driest month (19.8%), maximum temperature of the warmest month (16.4%), precipitation seasonality (14%), and precipitation of the wettest month (7.1%) were the most influential variables. Projections under three future climate scenarios (SSP245, SSP370, and SSP585) indicate a decline in suitable habitats by the 2050s and 2070s, particularly under SSP585, with an estimated 18.38% reduction in suitable areas. However, parts of the Northern Hemisphere, including North America and Europe, are likely to remain highly suitable. These findings highlight the need for region-specific, sustainable management strategies to prevent further spread of V. destructor in high-risk areas.