نتایج جستجو برای: seed gathering
تعداد نتایج: 96405 فیلتر نتایج به سال:
BACKGROUND Mescal production is the main economic activity associated to agaves in Mexico, which involves 53 species mostly harvested from forests. The increasing mescal demand has influenced risk in both agave populations and mescal production, but other social and ecological factors also intervene. We hypothesized that the greater the risk the greater the complexity of management responses; o...
It is generally assumed that the journalists’ strive for reliability of information taken over by increased need speed in today’s newsrooms. However, little empirical evidence supports assumption. This study explores how journalists high-speed newsrooms gather information, gathering activities are temporally structured and manifests itself information-gathering activities. Data were collected t...
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