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"11761" - 1 õppematerjal

Mesilaste haigus - CCD
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Mesilaste haigus - CCD

11.2010 33. Sackmann, P; Rabinovich, M; Corley, JC (2001). "Successful removal of German yellowjackets (Hymenoptera: Vespidae) by toxic baiting". Journal of economic entomology 94 (4): 811­6. doi:10.1603/0022-0493-94.4.811. 18.11.2010 34. Nordhaus H (2007)"Status of Pollinators in North America -- Committee on the Status of Pollinators in North America -- The National Academies Press Washington, D.C. www.nap.edu; page 81". 2006. http://books.nap.edu/openbook.php?record_id=11761&page=81. 17.11.2010 35. Berger K.(2007). "Where have all the bees gone? Blame people, not cell phones" http://seattlepi.nwsource.com/opinion/322781_focusbees08.html. 17.11.2010 36. Gary, N. E.; Westerdahl, B. B. (1981). "Flight, orientation, and homing abilities of honeybees following exposure to 2.45-GHz CW microwaves". doi:10.1002/bem.2250020108. 18.11.2010 18 37. Stever, H. J.,(2004)

Bioloogia → Bioloogia
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