Detail Subtle Poison; Bees and Insecticides   Oleh:  [s.n] Jenis: Article from Bulletin/Magazine Dalam koleksi: The Economist (http://search.proquest.com/) vol. 402 no. 8778 (Mar. 2012), page 85-86. Topik: Bees; Insecticides; Contamination Ketersediaan Perpustakaan Pusat (Semanggi) Nomor Panggil: EE29.71 Non-tandon: 1 (dapat dipinjam: 0) Tandon: tidak ada     Lihat Detail Induk Isi artikel In the winter of 2006 beekeepers in America noticed something odd--lots of their hives were dying for no obvious reason. As the months passed, reports of similar phenomena began coming in from their European counterparts. Dying bees are a problem, and not just for apiarists. Bees pollinate many of the world's crops--a service estimated to be worth $15 billion a year in America alone. And there is no shortage of theories to explain the insects' decline. But one of the leading ideas is that the bees are suffering from the effects of neonicotinoids, a class of commonly used pesticides, introduced in the 1990s, which are toxic to insects but much less so to mammals. Two papers published this week in Science lend weight to this idea. The first, from a group led by Penelope Whitehorn and David Goulson of the University of Stirling, in Britain, examined the effects these insecticides have on bumblebees, which are closely related to honeybees. Opini Anda Klik untuk menuliskan opini Anda tentang koleksi ini! Kembali

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