Academic literature on the topic 'Humus – Effets du climat'
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Journal articles on the topic "Humus – Effets du climat"
Allemand, Roselyne. "IX. Les effets juridiques du schéma régional climat air énergie." Droit et gestion des collectivités territoriales 33, no. 1 (2013): 169–82. http://dx.doi.org/10.3406/coloc.2013.2403.
Full textBrochu, Serge, Lyne Chayer, Benoit Lasnier, Michael Cantinotti1, Louise Guyon, and Ann Royer. "La restriction de l’usage du tabac en prison au Québec : effets sur le climat carcéral." Criminologie 43, no. 2 (April 4, 2011): 127–51. http://dx.doi.org/10.7202/1001772ar.
Full textGivron, Hélène, and Martin Desseilles. "Entraînement aux compétences communicationnelles : évaluation d’un débriefing et analyse de son lien avec le sentiment d’efficacité personnelle et les attitudes d’étudiants en médecine." Pédagogie Médicale 20, no. 4 (2019): 155–62. http://dx.doi.org/10.1051/pmed/2020018.
Full textXu, Gang, Jun Na Sun, Li Ye Chu, and Hong Bo Shao. "Impacts of Biochar on Agriculture Soils and Environmental Implications." Advanced Materials Research 391-392 (December 2011): 1055–58. http://dx.doi.org/10.4028/www.scientific.net/amr.391-392.1055.
Full textLyubimova, I., A. Aksenov, and A. Gorobets. "IMPACT OF AGROMETEOROLOGICAL CONDITIONS TO CHANGE OF PROPERTIES OF THE RECLAIMED SOLONETZES IN THE DRY STEPPE ZONE." Dokuchaev Soil Bulletin, no. 66 (December 11, 2010): 53–62. http://dx.doi.org/10.19047/0136-1694-2010-66-53-62.
Full textGagnon, Mélanie, Catherine Beaudry, and Jenny Boies. "L’ amélioration des conditions de travail des aidants par le prisme de la conciliation des temps sociaux : vecteur d’un meilleur climat organisationnel et de la rétention des employés." Ad machina: l'avenir de l'humain au travail, no. 2 (December 1, 2018): 19–34. http://dx.doi.org/10.1522/radm.no1.915.
Full textSénécal, Caroline, Robert J. Vallerand, and Luc G. Pelletier. "Type de programme universitaire et sexe del’étudiant : effets sur la perception du climat et sur la motivation." Articles 18, no. 3 (November 2, 2009): 375–88. http://dx.doi.org/10.7202/900743ar.
Full textDjohy, Gildas Louis, and Boni Sounon Bouko. "Vulnérabilité et dynamiques adaptatives des agropasteurs aux mutations climatiques dans la commune de Tchaourou au Bénin." Revue d’élevage et de médecine vétérinaire des pays tropicaux 74, no. 1 (March 1, 2021): 27–35. http://dx.doi.org/10.19182/remvt.36319.
Full textBerg, Björn. "Foliar Litter Decomposition: A Conceptual Model with Focus on Pine (Pinus) Litter—A Genus with Global Distribution." ISRN Forestry 2014 (April 27, 2014): 1–22. http://dx.doi.org/10.1155/2014/838169.
Full textRavanel, Ludovic, Florence Magnin, Xavi Gallach, and Philip Deline. "Évolution des parois rocheuses gelées de haute montagne sous forçage climatique." La Météorologie, no. 111 (2020): 034. http://dx.doi.org/10.37053/lameteorologie-2020-0090.
Full textDissertations / Theses on the topic "Humus – Effets du climat"
Sana, Ullah Muhammad. "Effets des changements climatiques et en particulièrement de la sécheresse sur la décomposition et la stabilisation de la matière organique du sol dans un écosystème prairial." Paris 6, 2010. http://www.theses.fr/2010PA066240.
Full textPuissant, Jérémy. "Effets des changements climatiques sur la dynamique de décomposition microbienne du carbone organique du sol en prairie subalpine calcaire." Thesis, Université Grenoble Alpes (ComUE), 2015. http://www.theses.fr/2015GREAS008/document.
Full textMountain soils stocks huge quantities of carbon as soil organic matter (SOM) which may be highly vulnerable to climate change and thus alter the atmospheric greenhouse gases concentration at a decadal timescale. To understand the effect of climate conditions on the dynamics of mountain soil organic carbon (SOC), a climate change experiment was set up in October 2009 in Swiss Jura subalpine grassland soils. The climate change experiment (soil transplantation) simulated two realistic climate change scenarios, with increased air temperatures ranging between 2 °C and 4 °C and decreased precipitation ranging between 20% and 40%. These changes reflect current predictions of climate change for the 21th century in temperate mountain regions.We studied the effect of climate conditions (climate manipulation and seasonal changes) after four years of climate experiment on (i) the dynamic of microbial decomposition, microbial abundance and community structure, (ii) the dynamic soil organic matter pools with contrasted turnover rate and representing the energetic resource of microbial communities, (iii) the interactions between microbial communities and soil organic matter pools and (iv) the soil organic carbon stocks.This work shows a strong seasonal dynamics of microbial decomposition with higher enzymatic activities, higher microbial abundance and shift of microbial community structure in winter than in summer. These results were linked to the seasonal organic matter labile pools dynamics. Moreover structural equation modeling shows that climate manipulation differently influences the drivers of SOC enzymatic decomposition in summer and winter.Finally, this work shows a strong decrease of soil organic carbon concentration under the climate change manipulation which cannot be explained by an increase of microbial activities. In contrast, our results suggest that the observed climate-induced decrease in bulk soil organic C content was due a SOC decrease in the most biogeochemically stable SOM fraction associated with a decrease in clay content and a decrease of soil calcareous concentration. Thus, our results hint more so towards an effect of SOM leaching (Gavazov, 2013) to explain the climate effect on SOC content than an effect of microbial and/or plant activities
Vennetier, Michel. "Un nouveau modèle bioclimatique pour la forêt méditerranéenne. Application à l'étude de l'impact du changement climatique sur la végétation et à l'évaluation de la productivité forestière." Aix-Marseille 3, 2007. http://www.theses.fr/2007AIX30077.
Full textThis thesis consists of four articles linked by a connecting thread: the interaction between water-balance and climate change in the dynamics of the Mediterranean vegetation. The first part presents the design and the calibration of a new bioclimatic model dedicated to the assessment of the water-balance in Mediterranean forest. In the second part, mis model is used to assess the impact of the climate change on the composition of the forest flora. The third part thoroughly studies Pinus halepensis Mill. Autecology in its whole French distribution area, as this species serves as reference to link the bioclimatic model, climate change and forest height growth and productivity. The fourth part deals with the interaction between water-balance and climate change in the radial growth of Pinus halepensis, by means of an experimental device in field conditions
Derraz, Khalid. "Transition du climat méditerranéen au climat aride dans le Moyen Atlas marocain : étude phytoclimatique." Paris 7, 1993. http://www.theses.fr/1993PA070018.
Full textWe attemps to detect the flora variation in relation with these the climate in oriental moroccan middle atlas moutains. It cu be seen from the analysis of the horizontal distribution of species along continuons sampling transect across the atlasic massif two flor isties majors boundary : the first in the west on the nw side of ichramouz, the second on the southn peidmont of bon-naceur above the arid moulouyan. It can be obtained from the climatic study two regionals group the fist oriental group principally waterd by disturbs situations from east ti south combined with the east regionals flows. The second occidental groupe rather favoured by disturbs situations from north to west-with nw regionals flows. Finally, it can be obtained from these two analysis three sectors well individualized ; one sector of the lower montains inthe occidental, one sector of the high mountains, and at last one moulouyan sector. The climatic individuality has an effect upon clearly on vegetation stuture, the way of the variation of this one strows the accelerations about level the transition from one sector to the other one and the stowing along the central sector
Khellaf, Mostefa. "Effets du climat sur l'organisme dans les Aurès (Wilaya de Batna)." Paris 4, 1987. http://www.theses.fr/1987PA040240.
Full textNevoux, Marie. "Réponse démographique des populations longévives aux changements climatiques : importance de la variabilité spatio-temporelle et de l'hétérogénéité individuelle." Phd thesis, Université de La Rochelle, 2008. http://tel.archives-ouvertes.fr/tel-00245570.
Full textTravers, Trolet Morgane. "Couplage de modèles trophiques et effets combinés de la pêche et du climat." Paris 6, 2009. http://www.theses.fr/2009PA066117.
Full textRinaldi, Kévin. "Les effets du climat tropical sur la performance aérobie : stratégies de cooling mentholé." Thesis, Antilles, 2018. http://www.theses.fr/2018ANTI0326/document.
Full textThe climatic environment is one of the factors that can influence the aerobic performance. There are an ideal temperatures with which athletes realize better performance: between 10 and 12°C in running (Maughan et al. 2010) below 32°C in cycling (Peiffer & Abbiss 2011). Davies et al. (2016) condense in a meta-analysis different studies on time trial (TT) in cycling and note that the performance is impaired in hot weather from middle of the test (P <0.02) and until the end (P = 0.01) compared to a condition control. This result therefore shows that in addition to the environmental temperature, the duration of the effort can also be decisive in the impact of climate on the performance.Rising temperature is not the only environmental factor that can influence the performance. Maughan et al. (2012) highlight that at the highest level of humidity is high at most aerobic performance is deteriorated. In this study, non-athletes acclimatized, perform a 70% VO2max bike test until exhaustion four sessions at 24, 40, 60 and 80% RH (T: 30 ° C). The results show that time exercise decreased significantly with increasing humidity (P <0.05). Through this research work we therefore investigated the question: how to do to limit this impact of climate on performance?To do this, 3 axes are developed through our studies: a. Study the effectiveness of cooling protocols at several points in the performance: before, during and between two consecutive efforts.b. Determine if cold combinations can combine.c. To determine if the use of menthol can allow optimization of the protocols of cooling.The main results of this thesis highlight that the use of cooling is effective but this efficiency depends on the protocol used. We havehighlighted (1) That in pre-cooling it is necessary to start 1 hour before the effort to have an efficiency of the method;(2) Immersion with menthol is more effective only a single immersion between two efforts of 20 'but that used on clothes its effectiveness is not proven; (3) That wearing a cold vest combined with ingestion from a cold drink to warm up is no more effective than an internal cooling only (4) That menthol can influence performance by playing a role on the CNS. The action of menthol will allow the CNS to perceive the environment as being "More favorable" and therefore result in a change in the feedback thermoregulatory, allow higher performance. This without the menthol isplayed a deleterious role to thermoregulation
Khallouki, Abdelkhalek. "Recherches sur les indices bioclimatiques et le climat perçu au Maroc : le cas de Marrakech, Ouarzazate et Errachidia." Paris 4, 1996. http://www.theses.fr/1996PA040085.
Full textThe estimation of the human bioclimatic quality by the air cooling index of P. A. Siple and by the THI index (temperature, humidity, index) of E. D. Thom at Marrakech, and the presaharien Morocco (Ouarzazate and Errachidia) had permitted to emphasize the existence of two bioclimatic seasons : pleasant in winter, unpleasant in summer in which the organism must use extremely his thermoregulation mechanisms. However, the similarity between the synthesis of the bioclimatic index and the subjectivity of impressions (or perceived climate) of the inquired persons (native and foreign) is not established. We observed that the psychological effects of the climate weighed as much as the physiological effects in the appreciations of the ambient climate. The bioclimatic formulas, either their problematic application, interpretation and adaptation of their level to every geographic areas, could not surround the entire reality, too complex is it, of the interindividual's variability in the same population and between the foreign population. The assessments of these two categories (native and foreign) are conditioned by the usual environment and the geographic origin. Native population has better adaptation to his climate. The methods of adaptation generally used are to counter the heat excess and the sun radiations, they are measured by the traditional bioclimatic houses and the ksous. Physiologically, his organism seems to dispose a better elasticity. The good weather, the good being are the touristic advantages of the south Moroccan which still not much visited
El, Alami Rachid. "Phytoclimatologie de la montagne marocaine : le Rif central." Paris 7, 1993. http://www.theses.fr/1993PA070019.
Full textWe attemps to delect the flora variation in relationship with the climate in central rif (marocco). It con be seen from the analysis of the horizontal distribution of species along continsons sampling transeet accross the centra rif which shon two floristica majors limits : the firstin the north entry of the cedas forest, the second at hio south limit. It can be obtrined also from the climatic study which bring out an opposition between the mediterraneen side and the atlantic si te of therif. Besides a study of surface temperature measurements from the noaa satellite bring out the individualization of the central rif and an affinity between the mediterraneen side and the south limit of the transect. The climate individuality has an effect upon clearly on vegetation structure
Books on the topic "Humus – Effets du climat"
Ciel! mon jardin a froid: Petit guide pratique pour faire face aux aléas climatiques. Paris: Aubanel, 2007.
Find full textThe Maritime book of climate change. East Lawrencetown, N.S: Pottersfield Press, 2008.
Find full textVegetation of the earth and ecological systems of the geo-biosphere. 3rd ed. Berlin: Springer-Verlag, 1985.
Find full textJones, Hamlyn G. Plants and microclimate: A quantitative approach to environmental plant physiology. 2nd ed. Cambridge [England]: Cambridge University Press, 1992.
Find full textHidore, John J. Global environmental change: Its nature and impact. Upper Saddle River, NJ: Prentice Hall, 1996.
Find full textLimited, MARTEC. Effects of a one metre rise in mean sea-level at Saint John, New Brunswick and the lower reaches of the Saint John River : executive summary of the report =: Effets d'une hausse d'un mètre du niveau moyen de la mer à Saint-Jean (Nouveau-Brunswick) et au passage inférieur du Saint-Jean : résumé administratif du rapport. Ottawa, Ont: Environment Canada, Atmospheric Environment Service = Environnement Canada, Service de l'environnement atmosphérique, 1987.
Find full textWilliamson, T. B. Climate change and Canada's forests: From impacts to adaptation. Edmonton: Sustainable Forest Management Network, 2009.
Find full textCotton, William R. Human impacts on weather and climate. Fort Collins, CO: *ASTeR Press, 1992.
Find full textA, Pielke Roger, ed. Human impacts on weather and climate. Cambridge: Cambridge University Press, 1995.
Find full textBook chapters on the topic "Humus – Effets du climat"
Aoun, Marie-Claire. "S’adapter aux effets du réchauffement climatique." In Climat : une nouvelle chance ?, 78–83. Institut français des relations internationales, 2015. http://dx.doi.org/10.3917/ifri.demon.2015.01.0078.
Full text"CHAPITRE 2. Les impacts potentiels des changements climatiques et des événements extrêmes sur la production agricole et effets réciproques." In Démographie, climat et alimentation mondiale, 21–44. EDP Sciences, 2020. http://dx.doi.org/10.1051/978-2-7598-0886-1.c013.
Full textPomel, Simon, and Jean-Noël Salomon. "Chapitre II. Les effets globaux de la déforestation : climat et biodiversité." In La déforestation dans le monde tropical, 23–32. Presses Universitaires de Bordeaux, 1998. http://dx.doi.org/10.4000/books.pub.1400.
Full text"4.5 Comment estimer la réponse du système climatique aux gaz à effets de serre ?" In Une introduction à la dynamique des océans et du climat, 433–51. EDP Sciences, 2020. http://dx.doi.org/10.1051/978-2-7598-2390-1-006.
Full text"4.5 Comment estimer la réponse du système climatique aux gaz à effets de serre ?" In Une introduction à la dynamique des océans et du climat, 433–51. EDP Sciences, 2020. http://dx.doi.org/10.1051/978-2-7598-2390-1.c006.
Full text"Lutter contre les polluants atmosphériques pour produire des effets positifs durables sur le climat." In Coopération pour le développement 2012, 99–107. OECD, 2012. http://dx.doi.org/10.1787/dcr-2012-13-fr.
Full textConference papers on the topic "Humus – Effets du climat"
Schembri, Patrick. "Transition énergétique et défi climatique : quelle place pour l'hydrogène vert ?" In MOlecules and Materials for the ENergy of TOMorrow. MSH Paris-Saclay Éditions, 2021. http://dx.doi.org/10.52983/ewus7854.
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