Pollination networks and functional specialization: A test using Lesser Antillean plant-hummingbird assemblages

Bo Dalsgaard, Ana M. Martín González, Jens M. Olesen, Allan Timmermann, Laila H. Andersen, Jeff Ollerton

    Research output: Contribution to Book/ReportChapter

    Abstract

    Network analysis has in recent years improved our understanding of pollination systems. However, there is very little information about how functionally specialized plants and pollinators interact directly and indirectly in pollination networks. We have developed a parameter, Functional specialization index, to quantify functional specialization in pollination networks. Using this parameter, we examined whether different sized hummingbirds visit a distinct set of flowers in five hummingbird-pollinated plant assemblages from the Lesser Antilles, obtaining a simple relationship between hummingbird body size, network parameter and ecological function. In the Lesser Antilles, functionally specialized hummingbird pollination is distinct for plant species pollinated by the largest hummingbird species, whereas the pollination niche gradually integrates with the insect pollinator community as hummingbird body size decreases. The network approach applied in this study can be used to validate functional specialization and community-level interdependence between plants and pollinators, and it is therefore useful for evaluating and predicting plant resilience to pollinator loss, presently a global concern
    Original languageEnglish
    Title of host publicationOikos
    Pages789-793
    Number of pages5
    DOIs
    Publication statusPublished - May 2008

    Publication series

    NameOikos
    Volume117

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    Pollination
    Body Size
    Insects

    Cite this

    Dalsgaard, B., Martín González, A. M., Olesen, J. M., Timmermann, A., Andersen, L. H., & Ollerton, J. (2008). Pollination networks and functional specialization: A test using Lesser Antillean plant-hummingbird assemblages. In Oikos (pp. 789-793). (Oikos; Vol. 117). https://doi.org/10.1111/j.0030-1299.2008.16537.x
    Dalsgaard, Bo ; Martín González, Ana M. ; Olesen, Jens M. ; Timmermann, Allan ; Andersen, Laila H. ; Ollerton, Jeff. / Pollination networks and functional specialization: A test using Lesser Antillean plant-hummingbird assemblages. Oikos. 2008. pp. 789-793 (Oikos).
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    abstract = "Network analysis has in recent years improved our understanding of pollination systems. However, there is very little information about how functionally specialized plants and pollinators interact directly and indirectly in pollination networks. We have developed a parameter, Functional specialization index, to quantify functional specialization in pollination networks. Using this parameter, we examined whether different sized hummingbirds visit a distinct set of flowers in five hummingbird-pollinated plant assemblages from the Lesser Antilles, obtaining a simple relationship between hummingbird body size, network parameter and ecological function. In the Lesser Antilles, functionally specialized hummingbird pollination is distinct for plant species pollinated by the largest hummingbird species, whereas the pollination niche gradually integrates with the insect pollinator community as hummingbird body size decreases. The network approach applied in this study can be used to validate functional specialization and community-level interdependence between plants and pollinators, and it is therefore useful for evaluating and predicting plant resilience to pollinator loss, presently a global concern",
    author = "Bo Dalsgaard and {Mart{\'i}n Gonz{\'a}lez}, {Ana M.} and Olesen, {Jens M.} and Allan Timmermann and Andersen, {Laila H.} and Jeff Ollerton",
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    Dalsgaard, B, Martín González, AM, Olesen, JM, Timmermann, A, Andersen, LH & Ollerton, J 2008, Pollination networks and functional specialization: A test using Lesser Antillean plant-hummingbird assemblages. in Oikos. Oikos, vol. 117, pp. 789-793. https://doi.org/10.1111/j.0030-1299.2008.16537.x

    Pollination networks and functional specialization: A test using Lesser Antillean plant-hummingbird assemblages. / Dalsgaard, Bo; Martín González, Ana M.; Olesen, Jens M.; Timmermann, Allan; Andersen, Laila H.; Ollerton, Jeff.

    Oikos. 2008. p. 789-793 (Oikos; Vol. 117).

    Research output: Contribution to Book/ReportChapter

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    AU - Dalsgaard, Bo

    AU - Martín González, Ana M.

    AU - Olesen, Jens M.

    AU - Timmermann, Allan

    AU - Andersen, Laila H.

    AU - Ollerton, Jeff

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    AB - Network analysis has in recent years improved our understanding of pollination systems. However, there is very little information about how functionally specialized plants and pollinators interact directly and indirectly in pollination networks. We have developed a parameter, Functional specialization index, to quantify functional specialization in pollination networks. Using this parameter, we examined whether different sized hummingbirds visit a distinct set of flowers in five hummingbird-pollinated plant assemblages from the Lesser Antilles, obtaining a simple relationship between hummingbird body size, network parameter and ecological function. In the Lesser Antilles, functionally specialized hummingbird pollination is distinct for plant species pollinated by the largest hummingbird species, whereas the pollination niche gradually integrates with the insect pollinator community as hummingbird body size decreases. The network approach applied in this study can be used to validate functional specialization and community-level interdependence between plants and pollinators, and it is therefore useful for evaluating and predicting plant resilience to pollinator loss, presently a global concern

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