H Jacquemyn

Summary

Affiliation: Katholieke Universiteit Leuven
Country: Belgium

Publications

  1. doi request reprint Microbial diversity in the floral nectar of seven Epipactis (Orchidaceae) species
    Hans Jacquemyn
    Plant Conservation and Population Biology, Biology Department, KU Leuven, Kasteelpark Arenberg 31, B 3001, Heverlee, Belgium
    Microbiologyopen 2:644-58. 2013
  2. pmc Among-population variation in microbial community structure in the floral nectar of the bee-pollinated forest herb Pulmonaria officinalis L
    Hans Jacquemyn
    Division of Plant Ecology and Systematics, Biology Department, KU Leuven, Heverlee, Belgium
    PLoS ONE 8:e56917. 2013
  3. pmc Asymmetric gene introgression in two closely related Orchis species: evidence from morphometric and genetic analyses
    Hans Jacquemyn
    Division of Plant Ecology and Systematics, Biology Department, University of Leuven, Kasteelpark Arenberg 31, Heverlee, B 3001, Belgium
    BMC Evol Biol 12:178. 2012
  4. pmc Variation in mycorrhizal associations with tulasnelloid fungi among populations of five Dactylorhiza species
    Hans Jacquemyn
    Division of Plant Ecology and Systematics, Biology Department, KU Leuven, Heverlee, Belgium
    PLoS ONE 7:e42212. 2012
  5. doi request reprint Nonrandom spatial structuring of orchids in a hybrid zone of three Orchis species
    Hans Jacquemyn
    Division of Plant Ecology and Systematics, Biology Department, KU Leuven, Heverlee, Belgium
    New Phytol 193:454-64. 2012
  6. pmc Large population sizes mitigate negative effects of variable weather conditions on fruit set in two spring woodland orchids
    Hans Jacquemyn
    Division of Plant Ecology and Systematics, University of Leuven, Heverlee, Belgium
    Biol Lett 5:495-8. 2009
  7. ncbi request reprint Seed limitation restricts population growth in shaded populations of a perennial woodland orchid
    Hans Jacquemyn
    Division of Plant Ecology and Systematics, University of Leuven, Arenbergpark 31, B 3001 Heverlee, Belgium
    Ecology 91:119-29. 2010
  8. doi request reprint Temporal and spatial variation in flower and fruit production in a food-deceptive orchid: a five-year study
    H Jacquemyn
    Division of Plant Ecology and Systematics, University of Leuven, Heverlee, Belgium
    Plant Biol (Stuttg) 12:145-53. 2010
  9. doi request reprint Low specificity and nested subset structure characterize mycorrhizal associations in five closely related species of the genus Orchis
    Hans Jacquemyn
    Department of Biology, KULeuven, Leuven, Belgium
    Mol Ecol 19:4086-95. 2010
  10. pmc Mycorrhizal associations and reproductive isolation in three closely related Orchis species
    Hans Jacquemyn
    Laboratory of Plant Ecology, Department of Biology, KU Leuven, Leuven, Belgium
    Ann Bot 107:347-56. 2011

Detail Information

Publications26

  1. doi request reprint Microbial diversity in the floral nectar of seven Epipactis (Orchidaceae) species
    Hans Jacquemyn
    Plant Conservation and Population Biology, Biology Department, KU Leuven, Kasteelpark Arenberg 31, B 3001, Heverlee, Belgium
    Microbiologyopen 2:644-58. 2013
    ..This study extends previous efforts to identify microbial communities in floral nectar and indicates that the floral nectar of the orchids investigated mainly contained bacterial communities with moderate phylogenetic diversity. ..
  2. pmc Among-population variation in microbial community structure in the floral nectar of the bee-pollinated forest herb Pulmonaria officinalis L
    Hans Jacquemyn
    Division of Plant Ecology and Systematics, Biology Department, KU Leuven, Heverlee, Belgium
    PLoS ONE 8:e56917. 2013
    ..Microbial communities in floral nectar have been shown to be characterized by low levels of species diversity, yet little is known about among-plant population variation in microbial community composition...
  3. pmc Asymmetric gene introgression in two closely related Orchis species: evidence from morphometric and genetic analyses
    Hans Jacquemyn
    Division of Plant Ecology and Systematics, Biology Department, University of Leuven, Kasteelpark Arenberg 31, Heverlee, B 3001, Belgium
    BMC Evol Biol 12:178. 2012
    ..purpurea) to investigate the hypothesis that the abundance of later-generation hybrids is driven by changes in floral characters after hybridization that exert selective pressures that in turn affect hybridization...
  4. pmc Variation in mycorrhizal associations with tulasnelloid fungi among populations of five Dactylorhiza species
    Hans Jacquemyn
    Division of Plant Ecology and Systematics, Biology Department, KU Leuven, Heverlee, Belgium
    PLoS ONE 7:e42212. 2012
    ....
  5. doi request reprint Nonrandom spatial structuring of orchids in a hybrid zone of three Orchis species
    Hans Jacquemyn
    Division of Plant Ecology and Systematics, Biology Department, KU Leuven, Heverlee, Belgium
    New Phytol 193:454-64. 2012
    ..Overall, these results suggest that the observed nonrandom spatial distribution of both pure and hybrid plants is dependent on the contingencies of the spatial distribution of suitable mycorrhizal fungi...
  6. pmc Large population sizes mitigate negative effects of variable weather conditions on fruit set in two spring woodland orchids
    Hans Jacquemyn
    Division of Plant Ecology and Systematics, University of Leuven, Heverlee, Belgium
    Biol Lett 5:495-8. 2009
    ..Our results highlight the potential vulnerability of small orchid populations to an increasingly variable climate through highly unpredictable fruit-set patterns...
  7. ncbi request reprint Seed limitation restricts population growth in shaded populations of a perennial woodland orchid
    Hans Jacquemyn
    Division of Plant Ecology and Systematics, University of Leuven, Arenbergpark 31, B 3001 Heverlee, Belgium
    Ecology 91:119-29. 2010
    ..Our results indicate that light is an important factor affecting population dynamics of Orchis purpurea and illustrate that, even in long-lived species, flower and seed production can have important effects on the population dynamics...
  8. doi request reprint Temporal and spatial variation in flower and fruit production in a food-deceptive orchid: a five-year study
    H Jacquemyn
    Division of Plant Ecology and Systematics, University of Leuven, Heverlee, Belgium
    Plant Biol (Stuttg) 12:145-53. 2010
    ..Our results further demonstrate that investigation of patterns of fruit set over several years is needed to better understand the variability in female reproductive success that is typical of most plant-pollinator interactions...
  9. doi request reprint Low specificity and nested subset structure characterize mycorrhizal associations in five closely related species of the genus Orchis
    Hans Jacquemyn
    Department of Biology, KULeuven, Leuven, Belgium
    Mol Ecol 19:4086-95. 2010
    ..Low specificity or preference for a widespread fungal symbiont may partly explain the wide distribution of the investigated species...
  10. pmc Mycorrhizal associations and reproductive isolation in three closely related Orchis species
    Hans Jacquemyn
    Laboratory of Plant Ecology, Department of Biology, KU Leuven, Leuven, Belgium
    Ann Bot 107:347-56. 2011
    ..Because in orchids mycorrhizal fungi are needed for seed germination and subsequent seedling establishment, orchid-mycorrhizal associations may be involved in acting as a post-mating barrier...
  11. doi request reprint Analysis of network architecture reveals phylogenetic constraints on mycorrhizal specificity in the genus Orchis (Orchidaceae)
    Hans Jacquemyn
    Department of Biology, KULeuven, 3001 Leuven, Belgium
    New Phytol 192:518-28. 2011
    ..Our results provide evidence of the presence of phylogenetic conservatism in mycorrhizal specificity in orchids and demonstrate that evolutionary processes may be an important factor in generating patterns of mycorrhizal associations...
  12. ncbi request reprint Effects of stand age on the demography of a temperate forest herb in post-agricultural forests
    Hans Jacquemyn
    Division Plant Ecology and Systematics, University of Leuven, Arenbergpark 31, B 3001 Heverlee, Belgium
    Ecology 89:3480-9. 2008
    ....
  13. pmc Rapid loss of genetic variation in a founding population of Primula elatior (Primulaceae) after colonization
    Hans Jacquemyn
    Division of Plant Ecology and Systematics, University of Leuven, Arenbergpark 31, B 3001 Heverlee, Belgium
    Ann Bot 103:777-83. 2009
    ..The aim of this study was to investigate genetic diversity in a founding population of the self-incompatible forest herb Primula elatior and to elucidate the processes that affect genetic diversity shortly after colonization...
  14. doi request reprint The consequences of mating over a range of parental genetic similarity in a selfing allopolyploid plant species
    K Vandepitte
    Laboratory of Plant Ecology, Biology Department, K U Leuven, Heverlee, Belgium
    J Evol Biol 24:2750-8. 2011
    ..83). Our findings support low, if any, inbreeding depression and heterosis. We attribute this to the peculiar state of quasi-permanent heterozygosity in allopolyploids and frequent selfing...
  15. ncbi request reprint Genetic structure of the forest herb Primula elatior in a changing landscape
    Hans Jacquemyn
    Laboratory for Forest, Nature and Landscape Research, University of Leuven, Belgium
    Mol Ecol 13:211-9. 2004
    ..This study exemplifies the importance of incorporating data on historical landscape changes in population genetic research at the landscape scale...
  16. ncbi request reprint Spatiotemporal structure of genetic variation of a spreading plant metapopulation on dynamic riverbanks along the Meuse River
    H Jacquemyn
    Division Forest, Nature and Landscape Research, Catholic University of Leuven, Celestijnenlaan 200E, Leuven B 3001, Belgium
    Heredity (Edinb) 96:471-8. 2006
    ..Our results indicate that the recurrent formation and destruction of riverbank habitats following peak flow events have a large impact on genetic diversity of riparian plant species...
  17. ncbi request reprint Local forest environment largely affects below-ground growth, clonal diversity and fine-scale spatial genetic structure in the temperate deciduous forest herb Paris quadrifolia
    Hans Jacquemyn
    Laboratory for Forest, Nature and Landscape Research, Catholic University of Leuven, Vital Decosterstraat 102, B 3000 Leuven, Belgium
    Mol Ecol 14:4479-88. 2005
    ..In moist sites, higher levels of clonal diversity and small clone sizes indicate repeated seedling recruitment, whereas strong spatial genetic structure suggests limited seed dispersal within populations...
  18. ncbi request reprint Fine-scale genetic structure of life history stages in the food-deceptive orchid Orchis purpurea
    Hans Jacquemyn
    Division Forest, Nature and Landscape Research, Catholic University of Leuven, Celestijnenlaan 200E, B 3001 Leuven, Belgium
    Mol Ecol 15:2801-8. 2006
    ..Our results illustrate that recurrent population crashes and recovery may strongly affect genetic diversity and fine-scale spatial genetic structure of plant populations...
  19. pmc Extremely low genotypic diversity and sexual reproduction in isolated populations of the self-incompatible lily-of-the-valley (Convallaria majalis) and the role of the local forest environment
    Katrien Vandepitte
    Laboratory of Plant Ecology, University of Leuven, Arenbergpark 31, 3001 Heverlee, Belgium
    Ann Bot 105:769-76. 2010
    ..Then the aim was to establish a relationship between genotypic diversity, sexual reproduction and the local forest environment...
  20. ncbi request reprint Susceptibility of common and rare plant species to the genetic consequences of habitat fragmentation
    Olivier Honnay
    University of Leuven, Biology Department, Laboratory of Plant Ecology, Kasteelpark Arenberg 31, B 3001 Heverlee, Belgium
    Conserv Biol 21:823-31. 2007
    ....
  21. ncbi request reprint A spatially explicit analysis of seedling recruitment in the terrestrial orchid Orchis purpurea
    Hans Jacquemyn
    Division of Forest, Nature and Landscape Research, Catholic University of Leuven, Celestijnenlaan 200E, B 3001 Leuven, Belgium
    New Phytol 176:448-59. 2007
    ....
  22. doi request reprint Morph-ratio variation, population size and female reproductive success in distylous Pulmonaria officinalis (Boraginaceae)
    R Brys
    Division of Forest, Nature and Landscape Research, Catholic University of Leuven, Leuven, Belgium
    J Evol Biol 21:1281-9. 2008
    ..As some small populations had the S-morph in majority, our results suggest that local morph ratios are influenced both by the relative fecundity of L- and S-morph individuals and by stochastic processes in small populations...
  23. doi request reprint Synergistic effects of an extreme weather event and habitat fragmentation on a specialised insect herbivore
    Katrien Piessens
    Division Forest, Nature and Landscape, University of Leuven, Celestijnenlaan 200E, 3001, Leuven, Belgium
    Oecologia 159:117-26. 2009
    ..These results support the prediction that species of higher trophic levels are more susceptible to extinction due to habitat fragmentation and severe disturbances...
  24. ncbi request reprint Sexual reproduction, clonal diversity and genetic differentiation in patchily distributed populations of the temperate forest herb Paris quadrifolia (Trilliaceae)
    Hans Jacquemyn
    Laboratory for Forest, Nature and Landscape Research, Catholic University of Leuven, Vital Decosterstraat 102, 3000, Leuven, Belgium
    Oecologia 147:434-44. 2006
    ..Conservation of suitable habitat conditions is therefore a prerequisite for effective long-term conservation of clonal forest plant species...
  25. ncbi request reprint Forest fragmentation effects on patch occupancy and population viability of herbaceous plant species
    Olivier Honnay
    Laboratory for Forest, Nature and Landscape Research, University of Leuven, Vital Decosterstraat 102, B 3000 Leuven, Belgium
    New Phytol 166:723-36. 2005
    ....
  26. ncbi request reprint Landscape genetics of the self-compatible forest herb Geum urbanum: effects of habitat age, fragmentation and local environment
    K Vandepitte
    Laboratory of Plant Ecology, Biology Department, University of Leuven, Kasteelpark Arenberg 31, B 3001 Heverlee, Belgium
    Mol Ecol 16:4171-9. 2007
    ..urbanum. Gene flow towards low-connectivity populations, however, seemed to be insufficient to counteract the effects of drift in small populations...