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Floral adaptation and diversification under pollen limitation

Philosophical Transactions of the Royal Society B: Biological Sciences, ISSN: 1471-2970, Vol: 365, Issue: 1539, Page: 529-543
2010
  • 144
    Citations
  • 0
    Usage
  • 315
    Captures
  • 1
    Mentions
  • 7
    Social Media
Metric Options:   Counts1 Year3 Year

Metrics Details

  • Citations
    144
  • Captures
    315
  • Mentions
    1
    • News Mentions
      1
      • 1
  • Social Media
    7
    • Shares, Likes & Comments
      7
      • Facebook
        7

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Ecosystem services of pollinator diversity: a review of the relationship with pollen limitation of plant reproduction

Introduction Pollen limitation (PL), the reduction in plant reproductive success as a result of inadequate quantity or quality of pollen deposition,is widespread among flowering plants.

Article Description

Pollen limitation (PL) of seed production creates unique conditions for reproductive adaptation by angiosperms, in part because, unlike under ovule or resource limitation, floral interactions with pollen vectors can contribute to variation in female success. Although the ecological and conservation consequences of PL have received considerable attention in recent times, its evolutionary implications are poorly appreciated. To identify general influences of PL on reproductive adaptation compared with those under other seed-production limits and their implications for evolution in altered environments, we derive a model that incorporates pollination and postpollination aspects of PL. Because PL always favours increased ovule fertilization, even when population dynamics are not seed limited, it should pervasively influence selection on reproductive traits. Significantly, under PL the intensity of inbreeding does not determine whether outcrossing or autonomous selfing can evolve, although it can affect which response is most likely. Because the causes of PL are multifaceted in both natural and anthropogenically altered environments, the possible outcrossing solutions are diverse and context dependent, which may contribute to the extensive variety of angiosperm reproductive characteristics. Finally, the increased adaptive options available under PL may be responsible for positive global associations between it and angiosperm diversity. © 2010 The Royal Society.

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