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Floral visitors of Trillium camschatcense (Trilliaceae) in fragmented forests

机译:延龄草中的延龄草(延龄草)的花卉访客

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摘要

Plant-pollinator interactions are of particular interest in conservation biology because of their ecological and agricultural importance (Bachmann & Nabhan 1996; Allen-Wardell et al, 1998; Kearns et al 1998). Pollinator deficits may result in shortfalls in fruit or seed production, and ultimately, plant extinction (Rathcke & Jules 1993; Olesen & Jain 1994; Kearns & Inouye 1997). Many recent studies have shown that seed production is reduced in small, fragmented plant populations due to pollen limitation (e.g. Jennersten 1988; Aizen & Feinsinger 1994a). However, the effects of habitat fragmentation on pollinator assemblages have been rarely examined directly (Didham et al 1996; Kearns et al 1998) Further understanding of the pollinator dynamics in afragmented landscape, for example, what kinds of pollinators are likely to be lost from fragmented habitats, is required to obtain useful implications for conservation of plant-pollinator interactions.
机译:植物传粉者的相互作用因其在生态和农业方面的重要性而在保护生物学中尤为重要(Bachmann&Nabhan 1996; Allen-Wardell等,1998; Kearns等,1998)。传粉媒介不足可能导致果实或种子产量不足,并最终导致植物灭绝(Rathcke&Jules 1993; Olesen&Jain 1994; Kearns&Inouye 1997)。最近的许多研究表明,由于花粉的限制,在小的,零散的植物种群中种子的产量减少了(例如,Jennersten 1988; Aizen&Feinsinger 1994a)。但是,很少直接检查生境破碎对传粉媒介组合的影响(Didham等,1996; Kearns等,1998)。进一步了解在被破坏的景观中传粉媒介的动态,例如,破碎的碎片可能会损失哪些传粉媒介。为了保护植物与授粉媒介之间的相互作用,需要对生境有帮助。

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