A survey of bumblebees in North America provides unequivocal evidence that four previously common and abundant species have undergone recent and widespread population collapse. Various explanations remain possible.
Technology Partners: MimirTech
Links:
[1] http://admin.indiaenvironmentportal.org.in/feature-article/trouble-bumblebees
[2] http://admin.indiaenvironmentportal.org.in/category/author/mark-j-f-brown
[3] http://admin.indiaenvironmentportal.org.in/category/journal/nature
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/bees
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/n-c-america
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/ecosystems
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/biodiversity
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/united-states-america-us
