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Title: The structure and robustness of nocturnal Lepidopteran pollen-transfer networks in a Biodiversity Hotspot
Authors: Banza, Paula
Belo, A.D.F.
Evans, Darren M.
Keywords: Ecological network analysis
Mediterranean region
plant–pollinator networks
pollen transport
Issue Date: 2015
Publisher: Wiley
Citation: Banza, P., Belo, A. D. F., & Evans, D. M. (2015). The structure and robustness of nocturnal Lepidopteran pollen‐transfer networks in a Biodiversity Hotspot. Insect Conservation and Diversity, 8(6), 538-546.
Abstract: 1. The role of nocturnal moths within plant-pollinator networks is poorly understood but could be important in the context of declining biodiversity and the ecosystem services they provide. 2. For the first time, this study examined the role of moths as pollen vectors in the Mediterranean Biodiversity Hotspot. Light traps were used to sample moths in SW Portugal in 2010. The pollen on moth head parts was collected, identified, and counted to construct a nocturnal pollen-transfer and flower-visitor network. 3. A total of 257 moths belonging to 95 species were captured in 11 trapping sessions in 2010; 196 moths (76%) carried pollen and the total number of pollen grains counted and identified was 9064. 4. The pollen-transfer network exhibited a high degree of selectivity (H20) but low robustness when the most-to-least connected plants were made extinct in the network. The flower-visitor network (based on the incidences of interactions by individual moths), however, exhibited high linkage density and was generally more robust to simulated plant or moth extinction. 5. Including nocturnal moths in plant–pollinator networks will provide a better understanding of their robustness to species extinctions due to environmental change as well as the impacts on ecosystem structure and functioning. Nocturnal pollen–transfer networks could be developed for identifying key species for targeted conservation.
Type: article
Appears in Collections:MED - Publicações - Artigos em Revistas Internacionais Com Arbitragem Científica
BIO - Publicações - Artigos em Revistas Internacionais Com Arbitragem Científica

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