I Hanski

Summary

Affiliation: University of Helsinki
Country: Finland

Publications

  1. ncbi request reprint Dispersal-related life-history trade-offs in a butterfly metapopulation
    Ilkka Hanski
    Department of Biological and Environmental Sciences, P O Box 65, Viikinkaari 1, FI 00014 University of Helsinki, Finland
    J Anim Ecol 75:91-100. 2006
  2. doi request reprint Eco-evolutionary dynamics in a changing world
    Ilkka Hanski
    Department of Biosciences, University of Helsinki, Finland
    Ann N Y Acad Sci 1249:1-17. 2012
  3. pmc Modelling single nucleotide effects in phosphoglucose isomerase on dispersal in the Glanville fritillary butterfly: coupling of ecological and evolutionary dynamics
    Chaozhi Zheng
    Department of Biological and Environmental Sciences, University of Helsinki, Helsinki, Finland
    Philos Trans R Soc Lond B Biol Sci 364:1519-32. 2009
  4. pmc Species-fragmented area relationship
    Ilkka Hanski
    Department of Biosciences, University of Helsinki, FI 00014, Helsinki, Finland
    Proc Natl Acad Sci U S A 110:12715-20. 2013
  5. pmc Environmental biodiversity, human microbiota, and allergy are interrelated
    Ilkka Hanski
    Department of Biosciences, University of Helsinki, FI 00014 Helsinki, Finland
    Proc Natl Acad Sci U S A 109:8334-9. 2012
  6. ncbi request reprint The metapopulation capacity of a fragmented landscape
    I Hanski
    Department of Ecology and Systematics, University of Helsinki, Finland
    Nature 404:755-8. 2000
  7. pmc Landscape fragmentation, biodiversity loss and the societal response. The long term consequences of our use of natural resources may be surprising and unpleasant
    Ilkka Hanski
    Metapopulation Research Group, University of Helsinki, Finland
    EMBO Rep 6:388-92. 2005
  8. pmc Molecular-level variation affects population growth in a butterfly metapopulation
    Ilkka Hanski
    Department of Biological and Environmental Sciences, University of Helsinki, Finland
    PLoS Biol 4:e129. 2006
  9. pmc The world that became ruined. Our cognitive incapacity to perceive large-scale and long-term changes is a major obstacle to rational environmental policies
    Ilkka Hanski
    Department of Biological and Environmental Sciences at University of Helsinki, Finland
    EMBO Rep 9:S34-6. 2008
  10. pmc Eco-evolutionary spatial dynamics in the Glanville fritillary butterfly
    Ilkka A Hanski
    Department of Biosciences, University of Helsinki, FI 00014, Helsinki, Finland
    Proc Natl Acad Sci U S A 108:14397-404. 2011

Detail Information

Publications42

  1. ncbi request reprint Dispersal-related life-history trade-offs in a butterfly metapopulation
    Ilkka Hanski
    Department of Biological and Environmental Sciences, P O Box 65, Viikinkaari 1, FI 00014 University of Helsinki, Finland
    J Anim Ecol 75:91-100. 2006
    ....
  2. doi request reprint Eco-evolutionary dynamics in a changing world
    Ilkka Hanski
    Department of Biosciences, University of Helsinki, Finland
    Ann N Y Acad Sci 1249:1-17. 2012
    ..Eco-evolutionary dynamics may facilitate the persistence of species in changing environments, but typically the evolutionary response only partially compensates for the negative ecological consequences of adverse environmental changes...
  3. pmc Modelling single nucleotide effects in phosphoglucose isomerase on dispersal in the Glanville fritillary butterfly: coupling of ecological and evolutionary dynamics
    Chaozhi Zheng
    Department of Biological and Environmental Sciences, University of Helsinki, Helsinki, Finland
    Philos Trans R Soc Lond B Biol Sci 364:1519-32. 2009
    ....
  4. pmc Species-fragmented area relationship
    Ilkka Hanski
    Department of Biosciences, University of Helsinki, FI 00014, Helsinki, Finland
    Proc Natl Acad Sci U S A 110:12715-20. 2013
    ....
  5. pmc Environmental biodiversity, human microbiota, and allergy are interrelated
    Ilkka Hanski
    Department of Biosciences, University of Helsinki, FI 00014 Helsinki, Finland
    Proc Natl Acad Sci U S A 109:8334-9. 2012
    ..These results raise fundamental questions about the consequences of biodiversity loss for both allergic conditions and public health in general...
  6. ncbi request reprint The metapopulation capacity of a fragmented landscape
    I Hanski
    Department of Ecology and Systematics, University of Helsinki, Finland
    Nature 404:755-8. 2000
    ..The metapopulation capacity should find many applications in metapopulation ecology, landscape ecology and conservation biology...
  7. pmc Landscape fragmentation, biodiversity loss and the societal response. The long term consequences of our use of natural resources may be surprising and unpleasant
    Ilkka Hanski
    Metapopulation Research Group, University of Helsinki, Finland
    EMBO Rep 6:388-92. 2005
  8. pmc Molecular-level variation affects population growth in a butterfly metapopulation
    Ilkka Hanski
    Department of Biological and Environmental Sciences, University of Helsinki, Finland
    PLoS Biol 4:e129. 2006
    ..These results also demonstrate that the spatial configuration of habitat and spatial dynamics of populations contribute to maintenance of Pgi polymorphism in this species...
  9. pmc The world that became ruined. Our cognitive incapacity to perceive large-scale and long-term changes is a major obstacle to rational environmental policies
    Ilkka Hanski
    Department of Biological and Environmental Sciences at University of Helsinki, Finland
    EMBO Rep 9:S34-6. 2008
  10. pmc Eco-evolutionary spatial dynamics in the Glanville fritillary butterfly
    Ilkka A Hanski
    Department of Biosciences, University of Helsinki, FI 00014, Helsinki, Finland
    Proc Natl Acad Sci U S A 108:14397-404. 2011
    ....
  11. doi request reprint Eco-evolutionary metapopulation dynamics and the spatial scale of adaptation
    Ilkka Hanski
    Department of Biosciences, University of Helsinki, P O Box 65, FI 00014 University of Helsinki, Finland
    Am Nat 177:29-43. 2011
    ..The model can be applied to real patch networks with given sizes, qualities, and spatial positions of habitat patches...
  12. pmc Eco-evolutionary dynamics of dispersal in spatially heterogeneous environments
    Ilkka Hanski
    Department of Biosciences, University of Helsinki, FI 00014 Helsinki, Finland
    Ecol Lett 14:1025-34. 2011
    ..The model clarifies the roles of founder events and gene flow in dispersal evolution and resolves a controversy in the literature about the consequences of habitat loss and fragmentation on the evolution of dispersal...
  13. ncbi request reprint Metapopulation-level adaptation of insect host plant preference and extinction-colonization dynamics in heterogeneous landscapes
    Ilkka Hanski
    Department of Ecology and Systematics, University of Helsinki, PO Box 65, Viikinkaari 1, FIN 00014, Helsinki, Finland
    Theor Popul Biol 64:281-90. 2003
    ..This example illustrates how the ecological extinction-colonization dynamics may be linked with the evolutionary dynamics of life history traits in metapopulations...
  14. ncbi request reprint Metapopulation theory for fragmented landscapes
    Ilkka Hanski
    Department of Ecology and Systematics, Metapopulation Research Group, Division of Population Biology, University of Helsinki, P O Box 65, Viikinkaari 1, FIN 00014, Helsinki, Finland
    Theor Popul Biol 64:119-27. 2003
    ....
  15. pmc Resource shifts in Malagasy dung beetles: contrasting processes revealed by dissimilar spatial genetic patterns
    Ilkka Hanski
    Department of Biological and Environmental Sciences, University of Helsinki, Helsinki, Finland
    Ecol Lett 11:1208-15. 2008
    ....
  16. ncbi request reprint Spatially realistic theory of metapopulation ecology
    I Hanski
    Metapopulation Research Group, Department of Ecology and Systematics, PO Box 17 Arkadiankatu 7, University of Helsinki, 00014 Helsinki, Finland
    Naturwissenschaften 88:372-81. 2001
    ..I discuss the principal messages for population ecology and conservation biology, and I also place this theory into a broader context of other approaches to spatial ecology...
  17. pmc Deforestation and apparent extinctions of endemic forest beetles in Madagascar
    Ilkka Hanski
    Department of Biological and Environmental Sciences, PO Box 65, 00014 University of Helsinki, Finland
    Biol Lett 3:344-7. 2007
    ..Currently, roughly 10% of the original forest cover remains. Species-area considerations suggest that this will allow roughly half of the species to persist. Our results are consistent with this prediction...
  18. ncbi request reprint Spatially structured metapopulation models: global and local assessment of metapopulation capacity
    O Ovaskainen
    Department of Ecology and Systematics, Metapopulation Research Group, Arkadiankatu 7, University of Helsinki, FIN 00014, Finland
    Theor Popul Biol 60:281-302. 2001
    ..The metapopulation capacities and the measures of the dynamic significance of particular patches can be calculated for real patch networks for applications in metapopulation ecology, landscape ecology, and conservation biology...
  19. ncbi request reprint Cytochrome P450 gene CYP337 and heritability of fitness traits in the Glanville fritillary butterfly
    M A de Jong
    Department of Biosciences, University of Helsinki, PO Box 65, 00014, Helsinki, Finland
    Mol Ecol 23:1994-2005. 2014
    ..This study provides a prime example of a gene associated with heritable fitness variation, measured under semi-natural ecological conditions...
  20. doi request reprint Heritability of and strong single gene (Pgi) effects on life-history traits in the Glanville fritillary butterfly
    I Klemme
    Metapopulation Research Group, Department of Biological and Environmental Sciences, University of Helsinki, Helsinki, Finland
    J Evol Biol 22:1944-53. 2009
    ..Selection on Pgi, which furthermore shows spatial and temporal variation, may maintain genetic variance in fitness-related life-history traits. In contrast, we found no strong evidence for life-history trade-offs...
  21. doi request reprint Fitness differences associated with Pgi SNP genotypes in the Glanville fritillary butterfly (Melitaea cinxia)
    L Orsini
    Metapopulation Research Group, Department of Biological and Environmental Sciences, University of Helsinki, Helsinki, Finland
    J Evol Biol 22:367-75. 2009
    ..Although this is consistent with direct overdominance at Pgi, we cannot exclude the possibility that heterozygote advantage is caused by the presence of one or more deleterious alleles at linked loci...
  22. pmc A candidate locus for variation in dispersal rate in a butterfly metapopulation
    Christoph R Haag
    University of Helsinki, Department of Biological and Environmental Sciences, PO Box 65, 00014 Helsinki, Finland
    Proc Biol Sci 272:2449-56. 2005
    ..These results also contribute to an emerging understanding of the mechanisms by which population turnover in heterogeneous landscapes may maintain genetic and phenotypic variation across populations...
  23. doi request reprint Genotypic and environmental effects on flight activity and oviposition in the Glanville fritillary butterfly
    Marjo Saastamoinen
    Department of Biological and Environmental Sciences, University of Helsinki, P O Box 65 Viikinkaari 1, Helsinki FI 00014, Finland
    Am Nat 171:701-12. 2008
    ..These results suggest that variation in physiological and molecular capacity to sustain active flight at low ambient temperature has significant fitness-related consequences in insects...
  24. ncbi request reprint Transient dynamics in metapopulation response to perturbation
    Otso Ovaskainen
    Department of Ecology and Systematics, Metapopulation Research Group, Viikinkaari 1, FIN 00014, Finland
    Theor Popul Biol 61:285-95. 2002
    ..We demonstrate that the essential behaviour of the n-dimensional spatially realistic Levins model is captured by the one-dimensional Levins model with appropriate parameter transformations...
  25. ncbi request reprint How much does an individual habitat fragment contribute to metapopulation dynamics and persistence?
    Otso Ovaskainen
    Metapopulation Research Group, Department of Ecology and Systematics, University of Helsinki, Post Office Box 65, Viikinkaari 1, FI 00014 Helsinki, Finland
    Theor Popul Biol 64:481-95. 2003
    ..We expect that the measures of habitat fragment value described and analysed here have applications in landscape ecology and in conservation biology...
  26. ncbi request reprint Metapopulation models for extinction threshold in spatially correlated landscapes
    Otso Ovaskainen
    Metapopulation Research Group, Department of Ecology and Systematics, Arkadiankatu 7, FIN 00014 University of Helsinki, Finland
    J Theor Biol 215:95-108. 2002
    ....
  27. ncbi request reprint From individual behavior to metapopulation dynamics: unifying the patchy population and classic metapopulation models
    Otso Ovaskainen
    Metapopulation Research Group, Department of Biological Science, University of Helsinki, P O Box 65, Viikinkaari 1, FI 00014, Finland
    Am Nat 164:364-77. 2004
    ..The modeling approach that we describe here provides a unified framework for patchy populations with much movements among habitat patches and classic metapopulations with infrequent movements...
  28. doi request reprint Three parallel radiations of Canthonini dung beetles in Madagascar
    Helena Wirta
    Metapopulation Research Group, Department of Biological and Environmental Sciences, P O Box 65, FI 00014, University of Helsinki, Finland
    Mol Phylogenet Evol 57:710-27. 2010
    ....
  29. ncbi request reprint Flight metabolic rate and Pgi genotype influence butterfly dispersal rate in the field
    Kristjan Niitepõld
    Department of Biological and Environmental Sciences, P O Box 65 Viikinkaari 1, University of Helsinki, Helsinki FI 00014, Finland
    Ecology 90:2223-32. 2009
    ..These results indicate a fitness advantage to the heterozygous genotype in low temperatures and suggest a mechanism by which varying environmental conditions maintain genetic polymorphism in populations...
  30. ncbi request reprint Metapopulation genetic structure of two coexisting parasitoids of the Glanville fritillary butterfly
    Maaria Kankare
    Department of Biological and Environmental Sciences, University of Helsinki, P O Box 65, 00014 Finland
    Oecologia 143:77-84. 2005
    ..melitaearum but a very weak pattern in H. horticola. This result is consistent with the known difference in the dispersal range (much longer in H. horticola) and population size (much greater in H. horticola) of the two parasitoids...
  31. ncbi request reprint Age-dependent survival analyzed with Bayesian models of mark-recapture data
    Chaozhi Zheng
    Department of Biological and Environmental Sciences, P O Box 65, Viikinkaari I, FI 00014 University of Helsinki, Finland
    Ecology 88:1970-6. 2007
    ..Capture probability decreased with increasing temperature and decreased with increasing mobility of individuals...
  32. pmc Significant effects of Pgi genotype and body reserves on lifespan in the Glanville fritillary butterfly
    Marjo Saastamoinen
    Section of Evolutionary Biology, Institute of Biology, Leiden University, Leiden 2300 RA, The Netherlands
    Proc Biol Sci 276:1313-22. 2009
    ..These results indicate life-history trade-offs that involve resource allocation and genotypexenvironment interactions, and these trade-offs are likely to contribute to the maintenance of Pgi polymorphism in the natural populations...
  33. pmc Tracking butterfly movements with harmonic radar reveals an effect of population age on movement distance
    Otso Ovaskainen
    Department of Biological and Environmental Sciences, University of Helsinki, Viikinkaari 1, 00014, Helsinki, Finland
    Proc Natl Acad Sci U S A 105:19090-5. 2008
    ..Butterflies from all population types showed a strong tendency to follow habitat edges between the open study area and the neighboring woodlands...
  34. doi request reprint An old adaptive radiation of forest dung beetles in Madagascar
    Helena Wirta
    Metapopulation Research Group, Department of Biological and Environmental Sciences, P O Box 65 Viikinkaari 1, FI 00014 University of Helsinki, Finland
    Mol Phylogenet Evol 47:1076-89. 2008
    ..Four species of the extant 65 species have shifted to use the dung of the recently introduced cattle in open habitats, allowing these species to greatly expand their geographical ranges...
  35. ncbi request reprint Patterns of 2-year population cycles in spatially extended host-parasitoid systems
    M Rost
    Helsinki Institute of Physics, 00014 University of Helsinki, Finland
    Theor Popul Biol 59:223-33. 2001
    ..Spatial heterogeneity tends to fix the location of phase boundaries. In contrast, spatially homogeneous temporal fluctuations tend to synchronize populations in large regions...
  36. doi request reprint Genetic spatial structure in a butterfly metapopulation correlates better with past than present demographic structure
    L Orsini
    Metapopulation Research Group, Department of Biological and Environmental Sciences, University of Helsinki, PO Box 65 Viikinkaari 1, FIN 00014 Helsinki, Finland
    Mol Ecol 17:2629-42. 2008
    ..The time lag between major demographic events and change in the genetic spatial structure and diversity has implications for the study of spatial dynamics...
  37. ncbi request reprint Cyclic dynamics in a simple vertebrate predator-prey community
    Olivier Gilg
    Department of Ecology and Systematics, Division of Population Biology, Post Office Box 65, 00014 University of Helsinki, Finland
    Science 302:866-8. 2003
    ..The cyclic dynamics are driven by a 1-year delay in the numerical response of the stoat and stabilized by strongly density-dependent predation by the arctic fox, the snowy owl, and the long-tailed skua...
  38. pmc SNP discovery by mismatch-targeting of Mu transposition
    Luisa Orsini
    Metapopulation Research Group, Department of Biological and Environmental Sciences, University of Helsinki, Finland
    Nucleic Acids Res 35:e44. 2007
    ..The strategy involves standard molecular biology techniques as well as undemanding MuA transposase-catalyzed in vitro transposition reactions, and it is applicable to any organism...
  39. doi request reprint Nucleotide polymorphism at a gene (Pgi) under balancing selection in a butterfly metapopulation
    Christopher W Wheat
    Department of Biological and Environmental Sciences, University of Helsinki, Finland
    Mol Biol Evol 27:267-81. 2010
    ..cinxia and the unrelated Colias eurytheme butterfly suggests a similar but not identical target of balancing selection. Our results indicate convergent evolution between these two species at both the phenotypic and molecular levels...
  40. ncbi request reprint Slow response of plant species richness to habitat loss and fragmentation
    Aveliina Helm
    Ecol Lett 9:72-7. 2006
    ..Our conclusions are applicable to temperate grasslands in general, which have lost much area because of agricultural intensification and cessation of traditional management...
  41. ncbi request reprint Natural selection and population dynamics
    Ilik Saccheri
    School of Biological Sciences, University of Liverpool, The Biosciences Building, Crown Street, Liverpool L69 7ZB, UK
    Trends Ecol Evol 21:341-7. 2006
    ..We also discuss the utility, in this context, of inferences from molecular genetic data, placing them within the broader framework of quantitative genetics and life-history evolution...
  42. doi request reprint Rapid transcriptome characterization for a nonmodel organism using 454 pyrosequencing
    J Cristobal Vera
    Department of Biology, 208 Mueller Laboratory, Pennsylvania State University, University Park, PA 16802, USA
    Mol Ecol 17:1636-47. 2008
    ..This development narrows the gap between approaches based on model organisms with rich genetic resources vs. species that are most tractable for ecological and evolutionary studies...