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

Now showing items 102-121 of 3898

Age of cichlids: New dates for ancient lake fish radiations

Genner, Martin J.; Seehausen, Ole; Lunt, David H.; Joyce, Domino A.; Shaw, Paul W.; Carvalho, Gary R.; Turner, Georg F. (2007-05)

Timing divergence events allow us to infer the conditions under which biodiversity has evolved and gain important insights into the mechanisms driving evolution. Cichlid fishes are a model system for studying speciation ...
Agonistic signals received by an arthropod filiform hair allude to the prevalence of near-field sound communication

Santer, R. D.; Hebets, E. A. (1800)
Agricultural management affects communities of culturable root-endophytic fungi in temperate grasslands

Griffith, Gareth W.; Wilberforce, E. M.; Boddy, Lynne; Griffiths, R. (Elsevier, 2003-06-03)

Three grassland sites of similar physical characteristics but differing management histories were chosen to test the hypothesis that agricultural disturbance has a deleterious effect on the diversity of culturable ...
The Agri-Environment. Theory and Practice of Managing the Environmental Impacts of Agriculture

Warren, J. M.; Lawson, C.; Belcher, K. (Cambridge University Press, 2008)
The Agri-Environment. Theory and Practice of Managing the Environmental Impacts of Agriculture

Warren, J. M.; Lawson, C.; Belcher, K. (Cambridge University Press, 2008)

The application of ecological theory and conservation biology to agricultural ecosystems has become an important and growing research field and undergraduate course component in recent years. This book is both an academic ...
Agrobacterium tumefaciens-mediated transformation of Festuca arundinacea (Schreb.) and Lolium multiflorum (Lam.)

Dhanoa, M. S.; Bettany, Andy J. E.; Timms, Emma J.; Manderyck, B.; Dalton, Sue J.; Morris, Phillip (2003-01)

Agrobacterium tumefaciens strain LBA4404 carrying plasmid pTOK233 encoding the hygromycin resistance (hph) and #-glucuronidase (uidA) genes has been used to transform two agronomic grass species: tall fescue (Festuca ...
Agrobiodiversity indicators in diverse farming systems across Europe

Jeanneret, Philippe; Balázs, Katalin; Dennis, Peter; Dyman, Tetyana; Fjellstad, Wendy; Friedel, J. K.; Garchi, Salah; Herzog, Felix; Jongman, Rob; Kainz, Max; Lüscher, Gisela; Moreno, Gerardo; Nkwiine, Charles; Paoletti, Maurizio; Pointerreau, Philippe; Sarthou, Jean-Pierre; Schneider, Manuel; Stoyanova, Siyka; Viaggi, Davide (1800)
Agrobiodiversity indicators in diverse farming systems across Europe : Proceedings of the Symposium on Surveillance and Monitoring of habitats and species at the 12th European Ecological Federation Congress, Ávila, Spain, 25-29 September 2011

Jeanneret, Philippe; Balázs, Katalin; Dennis, Peter; Dyman, Tetyana; Fjellstad, Wendy; Friedel, J. K.; Garchi, Salah; Herzog, Felix; Jongman, Rob; Kainz, Max; Lüscher, Gisela; Moreno, Gerardo; Nkwiine, Charles; Paoletti, Maurizio; Pointerreau, Philippe; Sarthou, Jean-Pierre; Schneider, Manuel; Stoyanova, Siyka; Viaggi, Davide (2011)
The agronomic and economic potential of break crops for ley/arable rotations in temperate organic agriculture

Robson, M. C.; Robinson, D.; Leitch, Malcolm H.; Watson, C. A.; Litterick, A. M.; Lampkin, Nic H.; Leifert, Carlo; Fowler, Sue M. (2002)

Organic farming principles dictate that cereals cannot be grown continuously, and in practice they are rarely grown for more than 50%of the rotation. Choice of break crops to grow in addition to cereals and the fertility ...
Agronomic and environmental implications of organic farming systems

Keatinge, R.; Tattersall, F. H.; Watson, C. A.; Wolfe, M. S.; Hovi, Malla; Lampkin, Nic H.; Padel, Susanne; Lennartsson, E. K. M.; Stockdale, E. A.; Macdonald, D. W. (2001)

Volume 70 contains six excellent treatises dealing with two of the leitmotifs in the plant and soil sciences - environmental quality and crop improvement. Chapter 1 is a comprehensive treatment of the role of carbon ...
Airborne measurements and remote sensing for validation and up-scaling models of ecological processes from experimental sites to geographic regions

Dennis, P.; Lucas, R.; Disney, M.; Wade, T.; Bott, R. (2008-12-09)
Airborne measurements and remote sensing for validation and up-scaling models of ecological processes from experimental sites to geographic regions

Wade, T.; Dennis, P.; Lucas, R.; Disney, M. (2009-03-12)
Airborne measurements and remote sensing for validation and up-scaling models of ecological processes from experimental sites to geographic regions

Dennis, P.; Lucas, R.; Disney, Mat; Wade, Tom; Bott, Rachel Nicola (2009-03-12)
Airborne measurements and remote sensing for validation and up-scaling models of ecological processes from experimental sites to geographic regions

Dennis, P.; Lucas, R.; Disney, Mat; Wade, Tom; Bott, R. (2008-12-09)
Algorithm for estimating the crop height effect on ammonia emission from slurry applied to cereal fields and grassland

Thorman, R. E.; Hansen, M. N.; Misselbrook, T. H.; Sommer, S. G. (2008-09-01)

Ammonia (NH3) emission following the application of livestock slurry to agricultural land is a significant source of atmospheric NH3, and not only poses a risk to the environment through eutrophication and acidification ...
Alien introgression in the grasses Lolium perenne (perennial ryegrass) and Festuca pratensis (meadow fescue): the development of seven monosomic substitution lines and their molecular and cytological characterization

Harper, John; Armstead, Ian; Thomas, Ann; James, Caron; Gasior, Dagmara; Bisaga, Maciej; Roberts, Luned; King, Ian; King, Julie (2011-03-02)

Background and Aims To address the issues associated with food security, environmental change and bioenergy in the context of crop plants, the production, identification and evaluation of novel plant phenotypes is fundamental. ...
Alien species and other notable records from a rapid assessment survey of marinas on the south coast of England

Ward, S.; Arenas, F.; Gonzalez, D. J.; Porter, Joanne S.; Carlton, J. T.; Farnham, W. F.; Jacobs, M. W.; al, et; Dyrynda, P. J.; Wood, C. A.; Bishop, J. D. D. (2006-12-15)

In September 2004, a rapid assessment survey for non-native species was conducted at 12 harbours along the south coast of England from East Sussex to Cornwall, focusing on communities of algae and invertebrates colonizing ...
Aligning health and welfare principles and practice in organic dairy systems: a review

Marley, Christina L.; Weller, Richard F.; Neale, M.; Main, D. C. J.; Roderick, S.; Keatinge, R. (2010-02)

This review provides an assessment of research findings into the current practices and standards and the principles and aspirations for organic dairy production, with respect to the health and welfare of the dairy cow. The ...
Alignment of the genomes of brachypodium distachyon and temperate cereals and grasses using bacterial artificial chromosome landing with fluorescence in situ hybridization

Donnison, Iain S.; King, Ian P.; Wolny, Elzbieta; Jenkins, Glyn M.; Marasek, Agnieszka; Armstead, Ian P.; Hasterok, Robert; Idziak, Dominika; Draper, John H.; Thomas, Ann M. (2006-05-01)

As part of an initiative to develop Brachypodium distachyon as a genomic 'bridge' species between rice and the temperate cereals and grasses, a BAC library has been constructed for the two diploid (2n = 2x = 10) genotypes, ...
Alkaloidal components in the poisonous plant, Ipomoea carnea (Convolvulaceae)

Kato, Atsushi; Ikeda, Kyoko; Watson, Alison A.; Haraguchi, M.; Minami, Y.; Asano, Naoki; Nash, Robert J.; Molyneux, R. J.; Gorniak, S. L. (2003-07-11)

Natural intoxication of livestock by the ingestion of Ipomoea carnea (Convolvulaceae) sometimes occurs in tropical regions of the world. Polyhydroxylated alkaloids were isolated from the leaves, flowers, and seeds of the ...

Now showing items 102-121 of 3898

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