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Academic literature on the topic 'Productivité primaire (Biologie)'
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Dissertations / Theses on the topic "Productivité primaire (Biologie)"
Barranguet, Christiane. "Rôle des microphytes benthiques dans l'oxygénation de l'interface eau-sédiment de deux systèmes conchylicoles méditerranéens : Golfe de Fos, Etang de Thau." Aix-Marseille 2, 1994. http://www.theses.fr/1994AIX22049.
Full textLeblanc, Karine. "Variabilité spatiale et temporelle du cycle du silicium dans divers milieux oligotrophes et mésotrophes." Aix-Marseille 2, 2002. https://hal.archives-ouvertes.fr/tel-01783412.
Full textBerthelot, Béatrice. "Estimation de la production primaire marine : développement et évaluation d'un modèle adapté à l'utilisation des données satellitales de couleur de l'océan." Toulouse, INPT, 1991. http://www.theses.fr/1991INPT035H.
Full textGrall, Jacques. "Biodiversité spécifique et fonctionnelle du maërl : réponses à la variabilité de l'environnement côtier." Brest, 2002. http://www.theses.fr/2002BRES2042.
Full textMaerl beds are highly biodiverse carbonate deposits characterised by accumulations of unattached calcareous red algae. This study aimed at better understanding the structural (physical) mechanisms determining maerl biodiversity, as well as the role played by species richness and functional diversity in the temporal dynamic of their communities. Thus this work allowed to 1) give a definition of what a maerl bed is (in terms of sedimentary heterogeneity and complexity), to identify macrofaunal communities associated to maerl beds variability, and also to identify communities variability at the scale of an ecosystem (bay of Brest), an eco-region (Brittany), or a continent (N. E. Atlantic-Europe) 2) To define the influence of maerl sedimentary heterogenity and complexity on biodiversity 3) Describe seasonal and inter-annual variations of the maerl community in the bay of Brest, in relation with anthropogenic and climatic perturbations. 4) study the long term evolution of a maerl bed in the bay of Brest in relation with long term variations of the pelagic primary production evolution as well as with the climate evolution over the period. The essential role played by the maerl beds fauna in the functionning of the whole ecosystem is then described. 5 )The mean treats of anthropogenic origin to maerl beds are described as well as their impacts to maerl beds and their associated fauna biodiversity
Ibarra-Obando, Silvia Emilia. "Contribution à la connaissance de l'herbier A Zostera marina L en Baja California (Mexique) : biologie et production primaire." Aix-Marseille 2, 1992. http://www.theses.fr/1992AIX22081.
Full textGévaert, François. "Importance des facteurs de l'environnement et du phénomène de photoinhibition sur la production des grandes algues marines." Lille 1, 2001. http://www.theses.fr/2001LIL10140.
Full textArdyna, Mathieu. "Les communautés phytoplanctoniques dans un océan arctique en mutation : iogéographie, phénologie, productivité." Doctoral thesis, Université Laval, 2015. http://hdl.handle.net/20.500.11794/25832.
Full textThe Arctic Ocean is currently experiencing major and abrupt changes in its atmospheric and oceanic compartments due to climate change. The first emerging ecological consequences to the loss of sea ice are undeniable, such as increasing annual primary production (PP) globally in the Arctic Ocean. However, in some areas, studies suggest a decrease in productivity in response to a local intensification of the vertical stratification of the upper water column. The response of phytoplankton communities to climate change remains complex and difficult to predict, with potential dramatic impacts extending through all trophic levels of marine ecosystems. The primary objective of this thesis explores this fundamental question, with a particular emphasis on biogeography, phenology (i.e., the study of annual recurring biological cycles) and productivity of Arctic phytoplankton communities. More specifically, this study is based on two complementary research approaches: (1) the compilation and analysis of historical databases covering the vertical and spatial distribution, productivity and ecology of Arctic phytoplankton, and (2) the use of remote sensing data describing the biogeography, phenology and ongoing changes in Arctic phytoplankton communities. Based on a unique compilation of vertical profiles of chlorophyll a (chl a; i.e., 5206 stations), we documented the spatio-temporal variability of the vertical distribution of phytoplankton and the range of productivity regimes (from oligotrophic to eutrophic regions) across the Arctic Ocean. An empirical model has also been developed to predict the vertical distribution of chl a based on surface chl a values depending on season and the province of the Arctic Ocean. The benefits of this model allow us to improve satellite-derived PP estimates and improve our understanding of the ecology and phenology of phytoplankton communities. Particular attention has been focused on the mechanisms of formation and maintenance of subsurface chlorophyll maximum (SCM) and their contribution to annual PP. On account of their vertical position, dictated by the depths of both the nitracline and Atlantic (in the Eastern Arctic) and Pacific (in the Western Arctic) waters, these SCMs appear important to PP, particularly in oligotrophic regions and during post-bloom periods. In a second step, the use of remote sensing could reveal an unexpected consequence of Arctic ice loss on Arctic phytoplankton. Regions that experienced a single annual bloom only a decade ago now develop a second bloom in the fall. This new bloom, which coincides with delayed freeze-up and increasing exposure of the sea surface to winds in the fall, implies that the Arctic Ocean may be shifting from a polar to a temperate mode. Biogeographic scenarios for the future of the annual PP, which is closely related to phenology, can thus be defined in response to the current receding sea-ice cover. These predictions will allow us to better anticipate the possible changes in phytoplankton productivity and community structure and the potential cascading repercussions on the carbon cycle and marine Arctic ecosystems.
Maillard-Quisthoudt, Chantal. "Environnement physique et chimique, productivité primaire phytoplanctonique et bactérienne dans le détroit du Pas-de-Calais." Lille 1, 1988. http://www.theses.fr/1988LIL10043.
Full textVan, den Broeck Nathalie. "Rôle du phosphate dans le déclenchement et la limitation des efflorescences planctoniques dans les eaux du Pacifique tropical Sud Ouest : évaluation des conséquences sur le cycle biogéochimique du carbone." Aix-Marseille 2, 2003. http://www.theses.fr/2003AIX22099.
Full textDragon, Anne-Cécile. "Modélisation des stratégies d'approvisionnement des éléphants de mer austraux : influence de la variabilité de la production primaire et des conditions océanographiques physiques." Paris 6, 2011. http://www.theses.fr/2011PA066276.
Full textBooks on the topic "Productivité primaire (Biologie)"
R, Siegfried W., Condy P. R. 1948-, Laws Richard M, International Council of Scientific Unions. Scientific Committee on Antarctic Research., International Council of Scientific Unions., and SCAR Working Group on Biology., eds. Antarctic nutrient cycles and food webs. Berlin: Springer-Verlag, 1985.
Find full textJacques, Roy, Saugier Bernard, and Mooney Harold A, eds. Terrestrial global productivity. San Diego, Calif: Academic Press, 2001.
Find full textAlaska. Division of Geological and Geophysical Surveys., ed. Limnology of Big Lake, South-Central Alaska, 1983-84. Washington: U.S. G.P.O., 1992.
Find full textRowan, K. S. Photosynthetic pigments of algae. Cambridge [England]: Cambridge University Press, 1989.
Find full textMarina, Istituto idrografico della, ed. 1987, Anno europeo dell'ambiente: Operazione "Isole Pelagie" : sostanza organica particellata e produzione primaria nelle acque superficiali del Canale di Sicilia. Genova: Istituto idrografico della Marina, 1989.
Find full textLaBounty, J. F. Primary productivity (C) at Twin Lakes, Colorado: 1973-81 study results. Denver, Colo: Applied Sciences Branch, Division of Research and Laboratory Services, Engineering and Research Center, U.S. Dept. of the Interior, Bureau of Reclamation, 1985.
Find full textFlint, R. Warren. Phytoplankton production in the Corpus Christi Bay Estuary. College Station, Tex: Sea Grant College Program, Texas A & M University, 1985.
Find full textL, Beadle C., and United Nations Environment Programme, eds. Photosynthesis in relation to plant production in terrestrial environments. Oxford, England: Published for the United Nations Environment Programme by Tycooly Pub., 1985.
Find full textIvar, Babb, De Luca Michael, and United States. National Oceanic and Atmospheric Administration. Office of Undersea Research., eds. Benthic productivity and marine resources of the Gulf of Maine. [Rockville, MD] (6010 Executive Blvd., Suite 805, Rockville 20852): U.S. Dept of Commerce, National Oceanic and Atmospheric Administration, Oceanic and Atmospheric Research, Office of Undersea Research, 1988.
Find full textBook chapters on the topic "Productivité primaire (Biologie)"
Heath, C. W. "Annual primary productivity of an antarctic continental lake: Phytoplankton and benthic algal mat production strategies." In Biology of the Vestfold Hills, Antarctica, 77–87. Dordrecht: Springer Netherlands, 1988. http://dx.doi.org/10.1007/978-94-009-3089-6_7.
Full textBunt, J. S. "Primary Productivity Under Sea Ice in Antarctic Waters: 1.Concentrations and Photosynthetic Activities of Microalgae in the Waters of McMurdo Sound, Antarctica." In Biology of the Antarctic Seas, 13–26. Washington, D.C.: American Geophysical Union, 2013. http://dx.doi.org/10.1029/ar001p0013.
Full textBunt, J. S. "Primary Productivity Under Sea Ice in Antarctic Waters: 2.Influence of Light and Other Factors on Photosynthetic Activities of Antarctic Marine Microalgae." In Biology of the Antarctic Seas, 27–31. Washington, D.C.: American Geophysical Union, 2013. http://dx.doi.org/10.1029/ar001p0027.
Full textLevinton, Jeffrey S. "Productivity, Food Webs, and Global Climate Change." In Marine Biology. Oxford University Press, 2021. http://dx.doi.org/10.1093/hesc/9780197543504.003.0016.
Full textRice, Charles W., Timothy C. Todd, John M. Blair, Timothy R. Seastedt, Rosemary A. Ramundo, and Gail W. T. Wilson. "Belowground Biology and Processes." In Grassland Dynamics, 244–64. Oxford University PressNew York, NY, 1998. http://dx.doi.org/10.1093/oso/9780195114867.003.0014.
Full textMladenov, Philip V. "2. Marine biological processes." In Marine Biology: A Very Short Introduction, 22–47. Oxford University Press, 2020. http://dx.doi.org/10.1093/actrade/9780198841715.003.0003.
Full textRandall, Nicola P., and Barbara Smith. "Biotic Interactions and Ecosystem Functioning." In The Biology of Agroecosystems, 45–66. Oxford University Press, 2019. http://dx.doi.org/10.1093/oso/9780198737520.003.0004.
Full textBerninger, Ulrike-G., David A. Caron, Robert W. Sanders, and Bland J. Finlay. "Heterotrophic flagellates of planktonic communities, their characteristics and methods of study." In The Biology of Free-Living Heterotrophic Flagellates, 39–56. Oxford University PressOxford, 1992. http://dx.doi.org/10.1093/oso/9780198577478.003.0004.
Full textJayusman and Budi Utomo. "Indonesian Toona Breeding Strategy: Comprehensive Review and the Application Status." In Updates in Plant Breeding [Working Title]. IntechOpen, 2023. http://dx.doi.org/10.5772/intechopen.1003150.
Full textStewart, Brent S., and Robert L. Delong. "Seasonal dispersion and habitat use of foraging northern elephant seals." In Marine Mammals: Advances in Behavioural and Population Biology, 179–94. Oxford University PressOxford, 1993. http://dx.doi.org/10.1093/oso/9780198540694.003.0010.
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