Plant richness and blooming cover affect abundance of flower visitors and network structure in Colombian orchards

Plant richness and blooming cover affect abundance of flower visitors and network structure in Colombian orchards
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植物丰富度和开花覆盖率影响哥伦比亚果园的花卉访客数量和网络结构

DOI:
10.1111/afe.12460
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发表时间:
2021
影响因子:
1.6
通讯作者:
Poveda, Katja
Poveda, Katja
中科院分区:
农林科学3区
文献类型:
--
作者:
Vaca‐Uribe, Jessica L.;Figueroa, Laura L.;Santamaría, Maikol;Poveda, Katja

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花粉对水果生产是必不可少的。果园内和周围的植物多样性和开花事件如何影响新热带系统中的传粉者群落和植物-花-访客网络仍然是未知的。我们调查了哥伦比亚6个果园中落叶果树和替代开花资源(其他作物,灌木篱和杂草)的花访客,为期12个月。我们评估了植物物种丰富度和开花覆盖率是否会影响花卉游客的丰富度和丰富度,以及网络层面的连通性和专业化。我们还评估了其他开花资源对落叶果树访花者的作用。总体而言,我们发现了66个访花者分类群,其中35个访问落叶果树。当杂草种类丰富,落叶果树开花覆盖率较高时,访花游客数量会更大。当作物和杂草物种丰富度较低时,网络的连接程度较低。最后,当有多个绿篱物种盛开时,花卉访客的丰富度和专业化程度会增加。我们强调了在果园内和周围保持替代开花资源的重要性,以支持落叶果树授粉者和植物花卉访客网络的多样性。
Pollination is essential to fruit production. How plant diversity and blooming events in and around orchards affect the pollinator community and the plant‐flower‐visitor network in neotropical systems remains largely unknown.We surveyed the flower visitors in deciduous fruit trees and alternative blooming resources (other crops, hedgerows and weeds) in Colombia across 6 orchards over 12 months. We evaluated whether plant species richness and blooming cover influenced abundance and richness of flower visitors, as well as network‐level connectance and specialization. We also assessed the role of alternative blooming resources for the flower visitors of deciduous fruit trees.Overall, we found 66 taxa of flower visitors, 35 of which visited deciduous fruit trees. There was a greater abundance of flower visitors when there was higher richness of weedy species and greater blooming cover of deciduous fruit trees. Networks were less connected when there was lower crop and weedy species richness. Finally, flower visitor abundance and specialization increased when there were multiple hedgerow species in bloom with a high blooming cover.We highlight the importance of maintaining alternative blooming resources in and around the orchards to support deciduous fruit tree pollinators and diversity in the plant flower‐visitor network.
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