M S Heard

Summary

Affiliation: Centre for Ecology and Hydrology
Country: UK

Publications

  1. pmc Landscape context not patch size determines bumble-bee density on flower mixtures sown for agri-environment schemes
    M S Heard
    NERC Centre for Ecology and Hydrology, Monks Wood, Huntingdon PE28 2LS, UK
    Biol Lett 3:638-41. 2007
  2. pmc Weeds in fields with contrasting conventional and genetically modified herbicide-tolerant crops. I. Effects on abundance and diversity
    M S Heard
    NERC Centre for Ecology and Hydrology, Monks Wood, Abbots Ripton, Huntingdon, Cambridgeshire PE28 2LS, UK
    Philos Trans R Soc Lond B Biol Sci 358:1819-32. 2003
  3. pmc Weeds in fields with contrasting conventional and genetically modified herbicide-tolerant crops. II. Effects on individual species
    M S Heard
    NERC Centre for Ecology and Hydrology, Monks Wood, Abbots Ripton, Huntingdon, Cambridgeshire PE28 2LS, UK
    Philos Trans R Soc Lond B Biol Sci 358:1833-46. 2003
  4. pmc Invertebrates and vegetation of field margins adjacent to crops subject to contrasting herbicide regimes in the Farm Scale Evaluations of genetically modified herbicide-tolerant crops
    D B Roy
    NERC Centre for Ecology and Hydrology, Monks Wood, Abbots Ripton, Huntingdon, Cambridgeshire PE28 2LS, UK
    Philos Trans R Soc Lond B Biol Sci 358:1879-98. 2003
  5. pmc Effects of genetically modified herbicide-tolerant cropping systems on weed seedbanks in two years of following crops
    L G Firbank
    Centre for Ecology and Hydrology, Lancaster Environment Centre, Library Avenue, Bailrigg, Lancaster LA1 4AP, UK
    Biol Lett 2:140-3. 2006
  6. pmc Invertebrate responses to the management of genetically modified herbicide-tolerant and conventional spring crops. I. Soil-surface-active invertebrates
    D R Brooks
    Rothamsted Research, Harpenden, Hertfordshire AL5 2JQ, UK
    Philos Trans R Soc Lond B Biol Sci 358:1847-62. 2003
  7. pmc Invertebrate responses to the management of genetically modified herbicide-tolerant and conventional spring crops. II. Within-field epigeal and aerial arthropods
    A J Haughton
    Rothamsted Research, Harpenden, Hertfordshire AL5 2JQ, UK
    Philos Trans R Soc Lond B Biol Sci 358:1863-77. 2003
  8. pmc Crop management and agronomic context of the Farm Scale Evaluations of genetically modified herbicide-tolerant crops
    G T Champion
    Broom s Barn Research Station, Higham, Bury St Edmunds, Suffolk IP28 6NP, UK
    Philos Trans R Soc Lond B Biol Sci 358:1801-18. 2003
  9. pmc Responses of plants and invertebrate trophic groups to contrasting herbicide regimes in the Farm Scale Evaluations of genetically modified herbicide-tolerant crops
    C Hawes
    Scottish Crop Research Institute, Invergowrie, Dundee DD2 5DA, UK
    Philos Trans R Soc Lond B Biol Sci 358:1899-913. 2003
  10. ncbi request reprint Ban on triazine herbicides likely to reduce but not negate relative benefits of GMHT maize cropping
    J N Perry
    Rothamsted Research, Harpenden, Hertfordshire AL5 2JQ, UK
    Nature 428:313-6. 2004

Collaborators

Detail Information

Publications12

  1. pmc Landscape context not patch size determines bumble-bee density on flower mixtures sown for agri-environment schemes
    M S Heard
    NERC Centre for Ecology and Hydrology, Monks Wood, Huntingdon PE28 2LS, UK
    Biol Lett 3:638-41. 2007
    ..Importantly, the relative response to sown forage patches varied widely across a landscape gradient such that their impact in terms of attracting foraging bumble-bees was greatest where the proportion of arable land was highest...
  2. pmc Weeds in fields with contrasting conventional and genetically modified herbicide-tolerant crops. I. Effects on abundance and diversity
    M S Heard
    NERC Centre for Ecology and Hydrology, Monks Wood, Abbots Ripton, Huntingdon, Cambridgeshire PE28 2LS, UK
    Philos Trans R Soc Lond B Biol Sci 358:1819-32. 2003
    ..In all three crops, weed diversity was little affected by the treatment, except for transient effects immediately following herbicide application...
  3. pmc Weeds in fields with contrasting conventional and genetically modified herbicide-tolerant crops. II. Effects on individual species
    M S Heard
    NERC Centre for Ecology and Hydrology, Monks Wood, Abbots Ripton, Huntingdon, Cambridgeshire PE28 2LS, UK
    Philos Trans R Soc Lond B Biol Sci 358:1833-46. 2003
    ..These differences compounded over time would result in large decreases in population densities of arable weeds. In maize, populations may increase...
  4. pmc Invertebrates and vegetation of field margins adjacent to crops subject to contrasting herbicide regimes in the Farm Scale Evaluations of genetically modified herbicide-tolerant crops
    D B Roy
    NERC Centre for Ecology and Hydrology, Monks Wood, Abbots Ripton, Huntingdon, Cambridgeshire PE28 2LS, UK
    Philos Trans R Soc Lond B Biol Sci 358:1879-98. 2003
    ..Scorching of vegetation by herbicide-spray drift was on average 1.6% on verges beside conventional crops and 3.7% beside GMHT crops, the difference being significant for all three crops...
  5. pmc Effects of genetically modified herbicide-tolerant cropping systems on weed seedbanks in two years of following crops
    L G Firbank
    Centre for Ecology and Hydrology, Lancaster Environment Centre, Library Avenue, Bailrigg, Lancaster LA1 4AP, UK
    Biol Lett 2:140-3. 2006
    ..These new data provide important empirical evidence for longer-term effects of GMHT cropping on farmland biodiversity...
  6. pmc Invertebrate responses to the management of genetically modified herbicide-tolerant and conventional spring crops. I. Soil-surface-active invertebrates
    D R Brooks
    Rothamsted Research, Harpenden, Hertfordshire AL5 2JQ, UK
    Philos Trans R Soc Lond B Biol Sci 358:1847-62. 2003
    ..Counts of carabids that feed on weed seeds were smaller in GMHT beet and spring oilseed rape but larger in GMHT maize. In contrast, collembolan detritivore counts were significantly larger under GMHT crop management...
  7. pmc Invertebrate responses to the management of genetically modified herbicide-tolerant and conventional spring crops. II. Within-field epigeal and aerial arthropods
    A J Haughton
    Rothamsted Research, Harpenden, Hertfordshire AL5 2JQ, UK
    Philos Trans R Soc Lond B Biol Sci 358:1863-77. 2003
    ..These species, and the detritivore Collembola, may be useful indicator species for future studies of GMHT management...
  8. pmc Crop management and agronomic context of the Farm Scale Evaluations of genetically modified herbicide-tolerant crops
    G T Champion
    Broom s Barn Research Station, Higham, Bury St Edmunds, Suffolk IP28 6NP, UK
    Philos Trans R Soc Lond B Biol Sci 358:1801-18. 2003
    ..The audit of inputs found no evidence of bias...
  9. pmc Responses of plants and invertebrate trophic groups to contrasting herbicide regimes in the Farm Scale Evaluations of genetically modified herbicide-tolerant crops
    C Hawes
    Scottish Crop Research Institute, Invergowrie, Dundee DD2 5DA, UK
    Philos Trans R Soc Lond B Biol Sci 358:1899-913. 2003
    ....
  10. ncbi request reprint Ban on triazine herbicides likely to reduce but not negate relative benefits of GMHT maize cropping
    J N Perry
    Rothamsted Research, Harpenden, Hertfordshire AL5 2JQ, UK
    Nature 428:313-6. 2004
    ..Our overall conclusion is that the comparative benefits for arable biodiversity of GMHT maize cropping would be reduced, but not eliminated, by the withdrawal of triazines from conventional maize cropping...
  11. ncbi request reprint Determinants of species richness in the Park Grass Experiment
    M J Crawley
    Department of Biological Sciences, Imperial College London, Silwood Park, Ascot, Berkshire, SL5 7PY, United Kingdom
    Am Nat 165:179-92. 2005
    ..The analysis demonstrates how multiple factors contribute to the observed diversity patterns and how environmental regulation of species pools can operate at the same spatial and temporal scale as biomass effects...
  12. pmc On the rationale and interpretation of the Farm Scale Evaluations of genetically modified herbicide-tolerant crops
    G R Squire
    Scottish Crop Research Institute, Invergowrie, Dundee DD2 5DA, UK
    Philos Trans R Soc Lond B Biol Sci 358:1779-99. 2003
    ..The analysis leads to a summary of factors that were, and were not, examined in the first 3 years of the study and points to where modelling can be used to extrapolate the effects to the landscape and the agricultural region...