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Conference papers

Floral herbivory of wood anemone by roe deer

Abstract : Wood anemone, Anemone nemorosa L., is among the most common spring-flowering geophytes in temperate deciduous forests with a distribution range extending across most of Europe. Despite life history traits generally considered advantageous against herbivory (resource allocation and vegetative reproduction by below-ground organs, and plant chemical defences), it is a species susceptible to floral herbivory that might have direct or indirect effects on plant performance and demography. We found leaf size distribution of individual shoots to be negatively exponential, implying sexual reproduction to be more important than previously thought. Furthermore, our results demonstrate that roe deer herbivory on flowering shoots may locally be very high (75-80 %) with on average 28 % of flowering shoots lost by roe deer herbivory at the population level. Floral herbivory by roe deer occurred at a time when resources are at their minimum in rhizomes, making the plant vulnerable to herbivory in terms of survival, and future growth and reproduction. We believe that floral herbivory may interact with resource allocation and that these play a crucial role in the population dynamics of wood anemone, where trade-offs probably exists between growth, production of chemical plant defences and storage of resources for the following year's growth.
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Submitted on : Friday, May 15, 2020 - 3:42:01 PM
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  • HAL Id : hal-02591998, version 1
  • IRSTEA : PUB00026580



Anders Mårell, J. Thiercelin. Floral herbivory of wood anemone by roe deer. 9th European Roe Deer Congress, Jul 2009, Edinburgh, United Kingdom. pp.14. ⟨hal-02591998⟩



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