Vintervikt hos olika underarter av honungsbikolonier Apis mellifera (Linné, 1...
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Honey bees are currently facing mounting pressures that have resulted in population declines in many parts of the world. In northern climates winter is a bottleneck for honey...
当前，蜜蜂正面临日益加剧的生存压力，全球诸多区域均出现了蜂群种群数量下降的情况。在北方寒冷气候区，冬季是蜜蜂生存的一大瓶颈……
