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442 results on '"Martin, P.A."'

110. 'Treasury Control' and the British Environmental State: The Political Economy of Green Development Strategy in UK Central Government.

Author

Craig, Martin P.A.

Subjects
*SUSTAINABLE development, *ECONOMICS, *FEDERAL government, *ENVIRONMENTAL indicators, *INDUSTRIAL policy
Abstract

A growing literature uses the term 'environmental state' to refer to the new roles and institutional capacities that the modern capitalist state has acquired in relation to the environment and the unfolding ecological crisis. Green development strategies for the transformation of unsustainable accumulation models are an important qualitative and quantitative indicator of environmental statehood. Yet in Britain, the powers and policy priorities of H.M Treasury are proving a significant constraint on the articulation of such a strategy. I situate the Treasury's obstructive stance in the broader history of the internal politics of the British state, arguing that it reflects a long-standing tendency for the Treasury to assert a position of power vis-à-vis departmental rivals in ways that undermine their capacity to conduct interventionist industrial policies. I analyse the post-2008 context as a moment in which this regularity has re-asserted itself as the Treasury privileges a strategy of accumulation model repair over one of transformation. I illustrate the implications of this stance for the emerging British environmental state by examining two episodes: the containment and privatisation of the green investment bank, and recent incursions by the Treasury into energy policy. I conclude by considering the methodological and practical implications of the analysis. [ABSTRACT FROM AUTHOR]

Published
2020
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118. Dependence of herbivory on autotrophic nitrogen content and on net primary production across ecosystems

Author

Griffin, Martin P.A., Cole, Marci L., Kroeger, Kevin D., and Cebrian, Just

Subjects
Biotic communities -- Research -- Environmental aspects, Herbivores -- Environmental aspects -- Research, Biological sciences, Research, Environmental aspects
Abstract

To determine what factors control the abundance of herbivores in an ecosystem (1), and thus the effects these consumers have on autotrophic biomass (2), we must first understand why and [...]

Published
1998

119. [Untitled]

Author

Martin P.A. Griffin, Joanna D. Tober, and Ivan Valiela

Subjects
geography, geography.geographical_feature_category, biology, Consumer, Ecology, Estuary, Aquatic Science, biology.organism_classification, Fundulus, Fishery, Abundance (ecology), Menidia, Eutrophication, Bay, Ecology, Evolution, Behavior and Systematics, Trophic level
Abstract

To assess the effect of land-derived nitrogen loads on fish populations, we estimated the abundance and growth rate of Fundulus heteroclitus and Menidia menidia, the most common fish species found in estuaries of Waquoit Bay, from June through September in 1996, 1997 and 1998 in six estuaries subject to different rates of nitrogen loading. Abundance of F. heteroclitus was greater in estuaries with greater nitrogen loading rates, but growth rates of F. heteroclitus obtained from growth rings on scales and otoliths did not vary among estuaries. Abundance and growth rates of M. menidia did not change with increased nitrogen loading rates. Increased nitrogen load may increase abundance of some fish species within an assemblage but not others. Such bottom up controls are effective at producer trophic levels, but appear to be less pervasive with secondary consumers. Higher trophic levels, therefore, may only be loosely coupled to nutrient supply rates.

Published
2000

122. Salt Tectonics.

Author

Talbot, Christopher J. and Jackson, Martin P.A.

Subjects
*SALT tectonics, *GEODYNAMICS, *GEOPHYSICS, *EARTH sciences
Abstract

Discusses how gravity causes salt to float up through heavier rocks, forming structures that often trap oil and gas. tendency for small irregularities on the salt surface grow into mounds that have a regular spacing; Contraction of the mounds into finger-shaped diapirs linked by polygonal salt ridges; Tendency for the rising diapirs to spread into flattened bulbs under a layer of uncompacted, lees dense sediment.

Published
1987
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124. Contributors for Volumes 1A, 1B and 1C

Author

A.A. Antobreh, Olav Antonio Blaich, I.M. Artemieva, Peter Aukes, A.W. Bally, Y. Bartov, Z. Ben-Avraham, G.T. Bertram, T.G. Bevan, K.M. Bohacs, W. Borkowski, D. Bosence, William Bosworth, Robert Bourrouilh, T.A. Brent, D.S. Broad, David Brown, P.M. Burgess, T. Burke, E. Carminati, Joe Cartwright, O. Catuneanu, James A. Chalmers, F. Charlet, F.A. Cook, T. Cope, Branko Corner, J.A. Cupertino, J. Craig, L. Desheng, E. Deville, M. De Batist, P.W. Dickerson, C. Doglioni, T. Dooley, D. Druesne, C. Ebinger, Olav Eldholm, A-J. Everts, Jerome A. Eyer, Roberto Fainstein, J.D. Fairhead, Jan Inge Faleide, C.M.R. Fowler, D. Franke, U. Frieslander, S. Galeazzi, K. Gallagher, Z. Garfunkel, B. Gelabert, Richard G. Gibson, D. Gilbert, A. Ginzburg, S. Graham, S.A. Graham, N. Haddadi, Mohammad Hafid, J.C. Harrison, K. Hinz, L-Y. Hsiao, Philippe Huchon, Michael R. Hudec, R. Hus, Haddou Jabour, Martin P.A. Jackson, C.L. Johnson, E.H.A. Jungslager, M. Kennedy, A.C. Kerr, S.M. Khalil, O. Khlystov, J. Klerkx, M. Lazar, D.P. Le Heron, Keith Louden, L.P. Magnavita, G. Manatschal, M.A. Martins-Neto, A. Mascle, J. Mather, Ken McClay, I.R. McLachlan, Kristian E. Meisling, M.A. Menzies, Webster Ueipass Mohriak, A.R. Moustafa, W.R. Muehlberger, N. Destro, L. Naudts, J.E. Neal, Robert Newton, A.A. Nezhdanov, A. Nicolas, I.O. Norton, P.E. Olsen, G.F. Panza, J.A.M.M. Peijs, J.T. Piombino, S. Planke, O. Point, J. Poort, B.E. Prather, D. Procaccianti, R.B. Raykova, T.C. Redshaw, M. Reshef, B. Ritts, D.G. Roberts, E. Roca, D. Roeder, Y. Rotstein, M. Rottman, J. Roux, F. Sabat, D. Sawyer, W. Schlager, R.W. Schlische, D. Scrocca, H. Shulman, A. Sinkewich, C. Sladen, R.M. Slatt, R. Stephenson, Edgar Stettler, S. Stovba, O.E. Sutcliffe, Roger Swart, Johan C. Sydow, P. Szatmari, Anthony Tankard, Gabor Tari, Filippos Tsikalas, Brian E. Tucholke, Christopher I. Uruski, D. van der Spuy, A.J. van der Velden, J.-H. van Konijnenburg, A.V. Vyssotski, V.N. Vyssotski, A.B. Watts, P. Weimer, Herman Welsink, J. Wendebourg, R.S. White, P. Whitehouse, Robert B. Whitmarsh, R. Whittington, E.L. Winterer, M.O. Withjack, Lesli J. Wood, J.E. Wu, V. Zampetti, and Mahmoud Zizi

Published
2012

133. On the scattering of point-generated electromagnetic waves by a perfectly conducting sphere, and related near-field inverse problems

Author

Athanasiadis, C. Martin, P.A. Stratis, I.G.

Abstract

A spherical electromagnetic wave is scattered by abounded perfectly conducting obstacle. A generalization of the plane-wave optical theorem is established. For a spherical scatterer, low frequency results are obtained by approximating the known exact solution (separation of variables). In particular, a closed-form approximation of the scattered wavefield at the source of the incident spherical wave is obtained. This leads to the solution of a near-field inverse problem, where both the source and coincident receiver are located at several points in the vicinity of a small sphere. The same inverse problem is also treated from the knowledge of the leading order term in the low-frequency asymptotic expansion of the scattering cross-section. © 2003 WILEY-VCH Verlag GmbH & Co. KGaA.

Published
2003

134. Scattering relations for point sources: Acoustic and electromagnetic waves

Author

Athanasiadis, C. Martin, P.A. Spyropoulos, A. Stratis, I.G.

Abstract

The problem of scattering of spherical waves by a bounded obstacle is considered. General scattering theorems are proved. These relate the far-field patterns due to scattering of waves from a point source put in any two different locations. The scatterer can have any of the usual properties, penetrable or impenetrable. The optical theorem is recovered as a corollary. Mixed scattering relations are also established, relating the scattered fields due to a point source and a plane wave. © 2002 American Institute of Physics.

Published
2002

135. On spherical-wave scattering by a spherical scatterer and related near-field inverse problems

Author

Athanasiadis, C. Martin, P.A. Stratis, I.G.

Abstract

A spherical acoustic wave is scattered by a bounded obstacle. A generalization of the 'optical theorem' (which relates the scattering cross-section to the far-field pattern in the forward direction for an incident plane wave) is proved. For a spherical scatterer, low-frequency results are obtained by approximating the known exact solution (separation of variables). In particular, a closed-form approximation for the scattered wavefield at the source of the incident spherical wave is obtained. This leads to the explicit solution of some simple near-field inverse problems, where both the source and coincident receiver are located at several points in the vicinity of a small sphere.

Published
2001

139. First fungal genome sequence from Africa: A preliminary analysis

Author

Wingfield, Brenda D., primary, Steenkamp, Emma T., additional, Santana, Quentin C., additional, Coetzee, Martin P.A., additional, Bam, Stefan, additional, Barnes, Irene, additional, Beukes, Chrizelle W., additional, Chan, Wai Yin, additional, De Vos, Lieschen, additional, Fourie, Gerda, additional, Friend, Melanie, additional, Gordon, Thomas R., additional, Herron, Darryl A., additional, Holt, Carson, additional, Korf, Ian, additional, Kvas, Marija, additional, Martin, Simon H., additional, Mlonyeni, X. Osmond, additional, Naidoo, Kershney, additional, Phasha, Mmatshepho M., additional, Postma, Alisa, additional, Reva, Oleg, additional, Roos, Heidi, additional, Simpson, Melissa, additional, Slinski, Stephanie, additional, Slippers, Bernard, additional, Sutherland, Rene, additional, Van der Merwe, Nicolaas A., additional, Van der Nest, Magriet A., additional, Venter, Stephanus N., additional, Wilken, Pieter M., additional, Yandell, Mark, additional, Zipfel, Renate, additional, and Wingfield, Mike J., additional

Published
2012
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