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Winter losses of honey bee (Apis mellifera L.) colonies in Ukraine (monitoring results of 2015-2016)
Publikováno v:
Ukrainian Journal of Ecology, Vol 7, Iss 4, Pp 604-613 (2017)
Increasing of honey bee colony losses is considered to be a global threat to the planet's ecosystems, food security and global economy (Neumann & Carreck, 2010; van der Zee et al., 2012; van der Zee et al., 2014; Chauzat et al., 2016). A large-scale