Search Results - "Boudot, J. P."

Time change of aluminium toxicity in the acid bulk soil and the rhizosphere in Norway spruce (Picea abies (L.) Karst.) and beech (Fagus sylvatica L.) stands by Collignon, C., Boudot, J.-P., Turpault, M.-P.

“…Context In acidic forest soils, aluminium can alter tree health due to its potential toxicity. Aluminium phytotoxicity is mainly influenced by its chemical…”
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Chromium availability in ultramafic soils from New Caledonia by Becquer, T, Quantin, C, Sicot, M, Boudot, J.P

“…The sources and potential availability of chromium (Cr) on soils formed on ultramafic rocks were investigated with mineralogical studies and selective chemical…”
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Influence of mature Douglas fir roots on the solid soil phase of the rhizosphere and its solution chemistry by Turpault, M.P, Uterano, C, Boudot, J.P, Ranger, J

“…Plants can induce significant changes in the rhizosphere through the uptake of water and ions, the exudation of organic compounds and the activities of…”
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Occurrence of polymerized silicic acid and aluminum species in two forest soil solutions with different acidity by Wonisch, H., Gérard, F., Dietzel, M., Jaffrain, J., Nestroy, O., Boudot, J.-P.

“…Silica species were determined in soil solutions from different soil horizons of acidic Dystric Cambisols in Austria and France. In general, more acid pH and…”
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Influence of granite mineralogy, rainfall, vegetation and relief on stream water chemistry (Vosges Mountains, north-eastern France) by Nédeltcheva, T.h., Piedallu, C., Gégout, J.-C., Stussi, J.-M., Boudot, J.-P., Angeli, N., Dambrine, E.

“…The influence of rock mineralogy, climate, vegetation and relief on stream water composition and export as a result of weathering is a major scientific concern…”
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Evaluation of streamwater composition changes in the Vosges Mountains (NE France): 1955–2005 by Angéli, N., Dambrine, E., Boudot, J.P., Nedeltcheva, T., Guérold, F., Tixier, G., Probst, A., Party, J.P., Pollier, B., Bourrié, G.

“…In 1995, in the southwestern Vosges Mountains (NE France), 158 of 395 streams (40%) had a pH lower than 5.5 at baseflow. As elsewhere in Europe, acid…”
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Toxic levels of metals in Ferralsols under natural vegetation and crops in New Caledonia by Becquer, T., Quantin, C., Boudot, J. P.

“…The chemistry of soil solutions and the potential toxicity of trace metals (Co, Cr, Cu, Ni and Mn) were investigated on soils formed on ultramafic rocks. Soil…”
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Soil solutions and surface water analysis in two contrasted watersheds impacted by acid deposition, Vosges mountains, N.E. France: interpretation in terms of Al impact and nutrient imbalance by Boudot, Jean-Pierre, Maitat, Ouafae, Merlet, Denis, Rouiller, James

“…Two acid watersheds in the Vosges mountains (N.E. France), one with a podzol, the other with an acid brown soil, were monitored by analysing soil solutions and…”
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Bryological patterns and streamwater acidification in the Vosges Mountains (N.E. France): An analysis tool for the survey of acidification processes by Thiebaut, Gabrielle, Vanderpoorten, Alain, Guerold, François, Boudot, Jean-Pierre, Muller, Serge

“…The relationships between water chemistry and aquatic bryoflora in the Vosges Mountains (Eastern France) were studied in an attempt to survey the processes of…”
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Aluminum chemistry in two contrasted acid forest soils headwater streams impacted by acid deposition, Vosges mountains, N.E. France by Maitat, O, Boudot, J.P, Merlet, D, Rouiller, J

“…Al chemistry was studied in two acidic watersheds, one with a podzol, the other with an acid brown soil, in the Vosges mountains (N.E. France), by analysing…”
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Occurrence of non-monomeric species of aluminium in undersaturated soil and surface waters: consequences for the determination of mineral saturation indices by Boudot, Jean-Pierre, Maitat, Ouafae, Merlet, Denis, Rouiller, James

“…The occurrence of a polymeric and/or colloidal Al pool was demonstrated on an experimental basis in various natural acid soil solutions and stream waters, even…”
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Evidence for the redissolution of soil spodic horizons under the influence of acid deposition in the Vosges mountains (north-eastern France) by Boudot, Jean-Pierre, Maitat, Ouafae, Merlet, Denis, Rouiller, James

“…The speciation of soluble Al present in leaching waters was studied in an acid watershed with podzolic soils from the upper soil horizons to two spring waters…”
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Immobilization of nitrogen from urea and plant residues in a ferrallitic soil: laboratory experiments and study by size-fractionation by Francois, C, Feller, C, Guiraud, G, Loury, J, Boudot, J.P

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Macroinvertebrate community loss as a result of headwater stream acidification in the Vosges Mountains (N-E France) by Guerold, François, Boudot, Jean-pierre, Jacquemin, Gilles, Vein, Denis, Merlet, Denis, Rouiller, James

“…The relationships between water chemistry and aquatic macroinvertebrate communities of 41 headwater streams were studied in the Vosges Mountains (N-E of…”
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Diltiazem protects the isolated rabbit heart from the mechanical and ultrastructural damage produced by transient hypoxia, low-flow ischemia and exposure to Ca++-free medium by Cavero, I, Boudot, J P, Feuvray, D

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Effects of biogeochemical processes on magnesium isotope variations in a forested catchment in the Vosges Mountains (France) by Bolou-Bi, Emile B., Vigier, Nathalie, Poszwa, Anne, Boudot, Jean-Pierre, Dambrine, Etienne

“…This study investigates the potential of Mg isotopes as tracers of biogeochemical processes in a small-forested catchment located on sandstones extremely poor…”
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Nitrification and nitrate uptake: leaching balance in a declined forest ecosystem in eastern France by Becquer, T. (Nancy Univ., Vandoeuvre-les-Nancy (France). Centre de Pedologie Biologique), Merlet, D, Boudot, J.P, Rouiller, J, Gras, F

“…Nitrate uptake and leaching were measured during one year in a declined fir forest on the Vosges highlands (eastern France), in order to investigate whether…”
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Time change of aluminium toxicity in the acid bulk soil and the rhizosphere in Norway spruce stands by Collignon, C, Boudot, J.-P, Turpault, M.-P

“…Context In acidic forest soils, aluminium can alter tree health due to its potential toxicity. Aluminium phytotoxicity is mainly influenced by its chemical…”
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Focus on African freshwaters: hotspots of dragonfly diversity and conservation concern by Clausnitzer, Viola, Dijkstra, Klaas-Douwe B, Koch, Robert, Boudot, Jean-Pierre, Darwall, William RT, Kipping, Jens, Samraoui, Boudjéma, Samways, Michael J, Simaika, John P, Suhling, Frank

“…This is the first continent-wide overview of insect diversity and status sufficiently fine-scaled to be used in conservation planning. We analyze patterns of…”
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Role of adrenocortical hormones on the ontogenesis of ventricular action potential of rat myocardium by Legrand, A M, Boudot, J P, Coraboeuf, E, Roffi, J, Cavero, I

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