Browsing Gwyddorau Biolegol, Amgylcheddol a Gwledig / Biological, Environmental & Rural Sciences by Title

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  • Newbold, Jamie; Griffin, P. W.; Wallace, R. J. (1989-02)
    The attachment of 14C-choline-labelled mixed rumen protozoa to barley straw in vitro was not significantly affected when bacteria prepared from rumen fluid were added to the incubation mixture. There was similarly little ...
  • Huws, S. A.; Morley, Robert J.; Jones, Martin V.; Brown, Michael R. W.; Smith, A. W. (2008-04-09)
    Protozoan grazing is a major trophic pathway whereby the biomass re-enters the food web. Nonetheless, not all bacteria are digested by protozoa and the number known to evade digestion, resulting in their environmental ...
  • Jones, D. G.; Brieva, A. C.; Jenkins, Tudor; Evans, D. A. (2006-04)
    The internal structure of copper(II)-phthalocyanine (CuPc) thin films grown on SiO2/Si by organic molecular beam deposition has been studied by grazing incidence x-ray reflectometry (GIXR) and atomic force microscopy. The ...
  • Griffith, G. W.; Gamarra, J. G. P.; Holden, E. M.; Mitchel, D.; Graham, A.; Evans, D. A.; Evans, S. H.; Aron, C.; Noordelos, M. E.; Kirk, P. M.; Smith, S. L.; Woods, R. G.; Hale, A. D.; Easton, G. L.; Ratkowsky, D. A.; Stevens, D. P.; Halbwachs, Hans (2013)
    The large decline in plant and animal diversity of semi-natural grasslands resulting from the introduction of modern agricultural practices in the 1940’s has been well documented and such changes are also suspected of ...
  • Griffith, Gareth Wyn; Garcia-Perez Gamarra, Javier; Holden, Elizabeth; Mitchel, David; Graham, Andrew; Evans, Debbie; Evans, Shelley; Noordeloos, Machiel; Kirk, Paul; Smith, Stuart LN; Woods, Ray G; Hale, Alan; Easton, Gary Lawrence; Ratkowsky, David A; Stevens, David P; Halbwachs, Hans (2013-10-07)
    The large decline in plant and animal diversity of semi-natural grasslands resulting from the introduction of modern agricultural practices in the 1940’s has been well documented and such changes are also suspected of ...
  • Abberton, Michael T. (2007-04-25)
    The genus Trifolium (Leguminosae) or clovers includes a number of agriculturally important forage species. In particular Trifolium repens (white clover) and Trifolium pratense (red clover) are widely used in temperate ...
  • Pykett, Jessica; Jones, Rhys Alwyn; Whitehead, Mark James; Huxley, Margo; Strauss, Kendra; Gill, Nick; Mcgeevor, Kate; Thompson, Lee; Newman, Janet (2011-08-01)
    Contributions from political, health and economic geography, social policy and environmental policy studies are brought together here in order to examine the implications of a ‘libertarian paternalist’ political ‘project’ ...
  • Perry, K.; Haresign, W.; Wathes, D. C.; Khalid, M. (2010-12)
    Artificial insemination (AI) using frozen semen is a key method to enable rapid genetic improvement but its use in the sheep industry is currently limited by poor fertility. Laparoscropic AI is most effective but has not ...
  • Dennis, Mark; Hall, Louise M.; Murphy, Patrick J.; Thornhill, Andrew J.; Nash, Robert J.; Winters, Ana L.; Hursthouse, Michael B.; Light, Mark E.; Horton, Peter (2003-04-07)
    The synthesis of a range of cyclic guanidines via intramolecular ring opening of epoxides or iodocyclisation is reported. A preliminary investigation of the glycosidase inhibitory activity of these substances is also ...
  • Morikawa, T.; Leggett, J. Michael; Hayasaki, M. (2001)
    The tetraploid species Avena agadiriana that was first described in 1985 is distributed on the Atlantic coastal strip south of Casablanca in Morocco. Five accessions of this species (M55, M59, M60, M71 and M74) were compared ...
  • Baker, G. H.; Brown, G.; Butt, K.; Curry, J. P.; Scullion, John (Springer Netherlands, 2006-12-21)
    The most conspicuous biological invasions in terrestrial ecosystems have been by exotic plants, insects and vertebrates. Less conspicuous but possibly of equal importance are invasions by soil invertebrates, which are ...
  • Garrod, Brian (Elsevier, 2007-09)
    Contents Section I: An Introduction to Diving Tourism 1. Introduction Brian Garrod, Stefan Gossling Section II: The diving tourism experience 2. Market segments and tourist typologies for diving tourism Brian Garrod 3. ...
  • Pollock, Christopher J.; Pretty, Jules; Crute, Ian; Leaver, Chris; Dalton, Howard (2008)
    Today, global agriculture feeds a population of approximately 6.4 billion and delivers a wide range of additional services. These range from waste management and water purification through delivery of fuel, fibre and ...
  • Pollock, Christopher J.; Pretty, Jules; Crute, Ian; Leaver, Chris; Dalton, Howard (2008-02-27)
    This second volume of reviews dealing with sustainable agriculture follows on directly from the first. It commences with further reviews on technological approaches to improve sustainability, both in terms of optimizing ...
  • Marshall, Athole H.; Rascle, C.; Abberton, Michael T.; Michaelson-Yeates, Terry P. T.; Rhodes, Ian (2001-12-21)
    Backcross hybrids between the important forage legume white clover Trifolium repens, which is stoloniferous, and the related rhizomatous species T. ambiguum have been produced using T. repens as the recurrent parent. The ...
  • King, I. P. (2010)
  • Kosmala, A.; Zwierzykowska, E.; Joks, W.; Humphreys, Michael W.; Rapacz, M.; Zwierzykowski, Z. (2003)
    Festuca pratensis was used as a source of genes for drought resistance and freezing tolerance for transfer in introgression breeding programmes to high quality Lolium multiflorum cultivars. Triploid (2n = 3x = 21) hybrids ...
  • King, Ian P.; King, Julie; Armstead, Ian P.; Harper, John A.; Roberts, Luned A.; Thomas, Howard; Ougham, Helen J.; Jones, R. Neil; Thomas, Ann M.; Moore, Beverley J. (2005)
    Lolium perenne/Festuca pratensis hybrids and their derivatives provide an ideal system for intergeneric introgression. The work described in this paper enables the elucidation of gene organization along Lolium/Festuca ...
  • Kosmala, A.; Zwierzykowski, Z.; Zwierzykowska, E.; Luczak, M.; Rapacz, M.; Gasior, Dagmara; Humphreys, Michael W. (2007-07-09)
    Genes for winter hardiness and frost tolerance were introgressed from Festuca arundinacea into winter-sensitive Lolium multiflorum. Two partly fertile, pentaploid (2n = 5x = 35) F1 hybrids F. arundinacea (2n = 6x = 42) x ...

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