Biogeosciences - 9 (5), 2012

Contents:

Seasonal variation in nitrogen pools and 15N/13C natural abundances in different tissues of grassland plants
L. Wang and J. K. Schjoerring

The influence of model grid resolution on estimation of national scale nitrogen deposition and exceedance of critical loads
A. J. Dore, M. Kryza, J. R. Hall, S. Hallsworth, V. J. D. Keller, M. Vieno, and M. A. Sutton

Are ammonia emissions from field-applied slurry substantially over-estimated in European emission inventories?
J. Sintermann, A. Neftel, C. Ammann, C. Häni, A. Hensen, B. Loubet, and C. R. Flechard

The nitrogen isotope effect of benthic remineralization-nitrification-denitrification coupling in an estuarine environment
M. Alkhatib, M. F. Lehmann, and P. A. del Giorgio

Modelling the contribution of short-range atmospheric and hydrological transfers to nitrogen fluxes, budgets and indirect emissions in rural landscapes
J.-L. Drouet, S. Duretz, P. Durand, and P. Cellier

Photo-lability of deep ocean dissolved black carbon
A. Stubbins, J. Niggemann, and T. Dittmar

Denitrification and inference of nitrogen sources in the karstic Floridan Aquifer
J. B. Heffernan, A. R. Albertin, M. L. Fork, B. G. Katz, and M. J. Cohen

Preface ''Nitrogen & Global Change''
M. A. Sutton, S. Reis, G. Billen, P. Cellier, J. W. Erisman, A. R. Mosier, E. Nemitz, J. Sprent, H. van Grinsven, M. Voss, C. Beier, and U. Skiba

Role of land surface processes and diffuse/direct radiation partitioning in simulating the European climate
E. L. Davin and S. I. Seneviratne

A hypothesis linking sub-optimal seawater pCO2 conditions for cnidarian-Symbiodinium symbioses with the exceedence of the interglacial threshold (>260 ppmv)
S. A. Wooldridge

Calcification in the planktonic foraminifera Globigerina bulloides linked to phosphate concentrations in surface waters of the North Atlantic Ocean
D. Aldridge, C. J. Beer, and D. A. Purdie

Decadal variability of soil CO2, NO, N2O, and CH4 fluxes at the Höglwald Forest, Germany
G. J. Luo, N. Brüggemann, B. Wolf, R. Gasche, R. Grote, and K. Butterbach-Bahl

Experimental mineralization of crustacean eggs: new implications for the fossilization of Precambrian–Cambrian embryos
D. Hippler, N. Hu, M. Steiner, G. Scholtz, and G. Franz

How significant is submarine groundwater discharge and its associated dissolved inorganic carbon in a river-dominated shelf system?
Q. Liu, M. Dai, W. Chen, C.-A. Huh, G. Wang, Q. Li, and M. A. Charette

Preformed and regenerated phosphate in ocean general circulation models: can right total concentrations be wrong?
O. Duteil, W. Koeve, A. Oschlies, O. Aumont, D. Bianchi, L. Bopp, E. Galbraith, R. Matear, J. K. Moore, J. L. Sarmiento, and J. Segschneider

Topo-edaphic controls over woody plant biomass in South African savannas
M. S. Colgan, G. P. Asner, S. R. Levick, R. E. Martin, and O. A. Chadwick

Preface "Biotic interactions and biogeochemical processes in the soil environment"
J.-A. Subke, M. S. Carbone, M. Khomik, P. Stoy, and M. Bahn

The composition and flux of particulate and dissolved carbohydrates from the Rhone River into the Mediterranean Sea
C. Panagiotopoulos, R. Sempéré, J. Para, P. Raimbault, C. Rabouille, and B. Charriere

A synthesis of carbon dioxide emissions from fossil-fuel combustion
R. J. Andres, T. A. Boden, F.-M. Bréon, P. Ciais, S. Davis, D. Erickson, J. S. Gregg, A. Jacobson, G. Marland, J. Miller, T. Oda, J. G. J. Olivier, M. R. Raupach, P. Rayner, and K. Treanton

Possible source of ancient carbon in phytolith concentrates from harvested grasses
G. M. Santos, A. Alexandre, J. R. Southon, K. K. Treseder, R. Corbineau, and P. E. Reyerson

Combined effects of inorganic carbon and light on Phaeocystis globosa Scherffel (Prymnesiophyceae)
A. Hoogstraten, M. Peters, K. R. Timmermans, and H. J. W. de Baar

Marine bivalve shell geochemistry and ultrastructure from modern low pH environments: environmental effect versus experimental bias
S. Hahn, R. Rodolfo-Metalpa, E. Griesshaber, W. W. Schmahl, D. Buhl, J. M. Hall-Spencer, C. Baggini, K. T. Fehr, and A. Immenhauser

Timescales for the development of methanogenesis and free gas layers in recently-deposited sediments of Arkona Basin (Baltic Sea)
J. M. Mogollón, A. W. Dale, H. Fossing, and P. Regnier

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