A multitude of bee pollinators in a phenotypic specialist - pollinator diversity from the plant's perspective

IF 1.7 4区生物学 Q3 ECOLOGY

Flora Pub Date : 2024-02-07 DOI:10.1016/j.flora.2024.152461

Noel Silló, Regine Claßen-Bockhoff

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Abstract

Bilabiate flowers are phenotypically specialized and primarily pollinated by bees. However, this phenotypic specialization does not necessarily result in functional and/or ecological specialization. We use the bee-pollinated Salvia pratensis L. (Lamiaceae) as a model species to elucidate the number of pollinators, their fitting to the flower and their behavior in order to identify the best fitting pollinators and most capable foragers. Field observations at 12 localities between 2018 and 2023 revealed in total 37 bee species as pollinators. Based on morphometric and behavioral data, handling time per flower, number of flowers visited per minute and an index of the proportion of bee contacts with reproductive surfaces per flower visit, big and long-tongued bee species were identified as the best fitting pollinators and most capable foragers. We conclude that S. pratensis is a functional specialist and ecological generalist at the same time. This combination is advantageous in species assemblages with moderately specialized partners as it combines the advantages of generalization (high number of pollinator species) with those of specialization (economic pollen transfer).

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表型专家中的众多蜜蜂授粉者--从植物的角度看授粉者的多样性

双唇花表型特化，主要由蜜蜂授粉。然而，这种表型特化并不一定导致功能和/或生态特化。我们以蜜蜂授粉的丹参（唇形科）为模型物种，阐明授粉者的数量、它们与花的匹配度以及它们的行为，以确定最匹配的授粉者和最有能力的觅粉者。2018年至2023年期间，在12个地点进行的实地观察共发现了37种蜜蜂作为传粉媒介。根据形态和行为数据、每朵花的处理时间、每分钟访问的花朵数量以及蜜蜂每次访问花朵时与生殖表面接触的比例指数，大蜜蜂和长舌蜂被确定为最合适的授粉者和最有能力的觅食者。我们的结论是，S. pratensis 同时是一个功能专科和生态通才。这种组合在具有中等专业化伙伴的物种组合中是有利的，因为它结合了普遍化（授粉者物种数量多）和专业化（经济花粉转移）的优势。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Flora 生物-植物科学

CiteScore

3.30

自引率

10.50%

发文量

130

审稿时长

54 days

期刊介绍： FLORA publishes original contributions and review articles on plant structure (morphology and anatomy), plant distribution (incl. phylogeography) and plant functional ecology (ecophysiology, population ecology and population genetics, organismic interactions, community ecology, ecosystem ecology). Manuscripts (both original and review articles) on a single topic can be compiled in Special Issues, for which suggestions are welcome. FLORA, the scientific botanical journal with the longest uninterrupted publication sequence (since 1818), considers manuscripts in the above areas which appeal a broad scientific and international readership. Manuscripts focused on floristics and vegetation science will only be considered if they exceed the pure descriptive approach and have relevance for interpreting plant morphology, distribution or ecology. Manuscripts whose content is restricted to purely systematic and nomenclature matters, to geobotanical aspects of only local interest, to pure applications in agri-, horti- or silviculture and pharmacology, and experimental studies dealing exclusively with investigations at the cellular and subcellular level will not be accepted. Manuscripts dealing with comparative and evolutionary aspects of morphology, anatomy and development are welcome.