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An Economic Valuation of Pollination Services in Georgia AgEcon
Barfield, Ashley; Bergstrom, John C.; Ferreira, Susana.
The production of many crops depends on biotic pollination. As pollinator populations decline, assessments of the potential consequential loss of economic value are critical. We estimate the economic value of pollination services ($608 million), crop vulnerability ratio (21 percent), and pollination’s contribution to agricultural production value (5 percent) for Georgia.
Tipo: Presentation Palavras-chave: Pollination; Colony Collapse Disorder; Georgia; Bioeconomic; Value; Vulnerability; Ecosystem Services; Crops; Honeybees; Pollinators; Pollination Dependency; Environmental Economics and Policy.
Ano: 2012 URL: http://purl.umn.edu/119780
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Bombus brasiliensis Lepeletier (Hymenoptera, Apidae) infected with Nosema ceranae (Microsporidia) Rev. Bras. entomol.
Plischuk,Santiago; Lange,Carlos E..
ABSTRACT Heavy infections caused by a microsporidium were detected in midgut epithelium cells of two adult workers of the bumble bee Bombus brasiliensis Lepeletier collected near Puerto Iguazú, Misiones province, Argentina. Microsporidium rRNA (16S small subunit) was amplified by 218MITOC primers and produced amplicons indicating presence of Nosema ceranae Fries et al., a virulent pathogen of more than 20 bee species, possibly involved in Apis mellifera L. Colony Collapse Disorder. Campaigns in search of B. brasiliensis between 2008 and 2015 have revealed a possible narrower range in the southeastern area of its known distribution. Effects of N. ceranae infections could be modulating their populations and should not be overlooked. In addition, the wide...
Tipo: Info:eu-repo/semantics/other Palavras-chave: Argentina; Brazil; Bumble bee; Colony Collapse Disorder.
Ano: 2016 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0085-56262016000400347
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