Relevant bibliographies by topics / Production primaire brute

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  1. Journal articles
  2. Dissertations / Theses
  3. Conference papers

Academic literature on the topic 'Production primaire brute'

Author: Grafiati
Published: 4 June 2021
Last updated: 17 February 2022

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Journal articles on the topic "Production primaire brute"

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Dansereau, Patrice, André Martens, and Hermann Schnabl. "Les liens de production entre activités informelles et formelles." L'Actualité économique 74, no. 3 (2009): 445–65. http://dx.doi.org/10.7202/602270ar.

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RÉSUMÉ Nous appliquons à la matrice intrants-extrants du Sénégal de 1990, désagrégée en activités formelles et informelles, une méthode d’analyse structurelle récente (analyse des flux minimaux) permettant de représenter les liens directs et indirects de production unissant ces activités. Nos résultats montrent que, dans le cas du Sénégal, des liens significatifs couvrent plus des deux tiers de la production brute et que les liens indirects ne peuvent pas être ignorés. En outre, activités formelles et informelles sont interreliées. Les activités informelles qui comptent en termes de liens appa
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Tarpaga, Windpouiré Vianney, Larbouga Bourgou, Moussa Guira, and Albert Rouamba. "Agro morphological characterization of cashew trees (Anacardium occidental L.), in improvement for the high yield and high quality of raw nuts in Burkina Faso." International Journal of Biological and Chemical Sciences 14, no. 9 (2021): 3188–99. http://dx.doi.org/10.4314/ijbcs.v14i9.17.

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The cashew sector has taken a great economic interest, due to the strong global demand for raw nuts. However, in Burkina Faso, the productivity of orchards still remains low, a consequence of a lack of breeding program on the species. In order to increase yields and improve the quality of the raw nut, efficient clones must be developed. Surveys were carried out and a primary in situ collection was made from which a core collection of 15 trees was extracted. An agro-morphological description of the selected trees and an analysis of the structuration of the variability within them were carried o
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Pinel-Alloul, B., J. Devaux, C. Amblard, et al. "Variations à court terme des compartiments planctoniques d'un lac humique du Bouclier canadien." Revue des sciences de l'eau 2, no. 4 (2005): 755–75. http://dx.doi.org/10.7202/705053ar.

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Les variations spatio-temporelles à court terme des compartiments planctoniques ont été étudiées simultanément du 30 juillet au 5 août 1986 dans un lac humique du Bouclier canadien. L'abondance du bactérioplancton fluctue de 1,4 à 1,7.106 cell. ml.-1 (coloration DAPI) ou de 2,7 à 7,7.106 cell. ml-1; (coloration Acridine Orange). La production du bactérioplancton estimée par incorporation de 3H méthyl thimidine, varie de 4 à 24.106 cell. l-1 h-1. Les valeurs d'activité hétérotrophe potentielle bactérienne estimée par assimilation de 14C glucose, s'échelonnent de 0,007 à 0,065 µg C.l-1. h-1. La
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Dissertations / Theses on the topic "Production primaire brute"

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Polsenaere, Pierre. "Echanges de CO2 atmosphérique dans la lagune d’Arcachon et relations avec le métabolisme intertidal." Thesis, Bordeaux 1, 2011. http://www.theses.fr/2011BOR14253/document.

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Les zones côtières ne sont prises en compte dans les budgets globaux de CO2 atmosphérique que depuis peu. Il s’avère que bien qu’elles ne représentent globalement que de faibles superficies, les flux de carbone et de nutriments y sont très significatifs à l’échelle globale. On sait peu de chose sur le comportement des écosystèmes lagunaires vis-à-vis du CO2 et, encore moins des zones intertidales où les échanges avec l’atmosphère ont lieu alternativement avec l’eau et le sédiment. Les objectifs de cette étude ont été d’une part, d’établir le bilan de carbone échangé entre la lagune d’Arcachon,
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2

Deliberali, Isabel. "Captura e alocação de carbono em Pinus taeda e Pinus caribaea var. hondurensis sob manejos hídricos e nutricionais distintos." Universidade de São Paulo, 2016. http://www.teses.usp.br/teses/disponiveis/11/11150/tde-09032016-112849/.

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O gênero Pinus ocupa no Brasil uma área plantada de 1,59 milhão de hectares e tem uma ampla faixa de produtividade florestal (18 a 45 m3 ha-1 ano-1), em função das espécies utilizadas, das limitações edáficas, dos tipos de clima, melhoramento genético e, e alguns casos, pela ocorrência de pragas e doenças. Apesar do conhecimento de que o aumento da disponibilidade de recursos naturais (luz, água e nutrientes) eleva a produção de madeira, faz-se necessário compreender como estes recursos influenciam os processos de captura (produção primária bruta ou GPP) e alocação de carbono (C) para os difer
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3

Diaz, Marcelo Bortoluzzi. "ANÁLISE DE DIFERENTES MÉTODOS DE PREENCHIMENTO DE FALHAS NOS FLUXOS DE CO2: ESTIMATIVAS SOBRE O ARROZ IRRIGADO." Universidade Federal de Santa Maria, 2014. http://repositorio.ufsm.br/handle/1/10276.

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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior<br>The net exchange of CO2 between the atmosphere and the ecosystem (NEE), represent the balance of the ecosystem respiration (Reco) and gross primary production (GPP), which are directly related to temperature and photosynthetic active radiation (PAR) respectively. Studies related to the exchange of CO2 between ecosystems and atmosphere has been conducted in different ecosystems, with the objective of finding the contribution of different ecosystems to the atmospheric CO2. For this it is important to have a continuous data series. Ho
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4

Carneiro, Janaína Viário. "Estimativas das trocas líquidas de carbono em duas áreas de cultivo de arroz irrigado na região central do RS." Universidade Federal de Santa Maria, 2012. http://repositorio.ufsm.br/handle/1/3919.

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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior<br>The turbulent fluxes of carbon dioxide (CO2 ) were investigated in two sites of irrigated rice in southern Brazil, using the eddy covariance technique over 385 days of analysis at the site of Paraiso do Sul and 683 days in site Cachoeira do Sul also used the model of filling the gaps in order to estimate the net ecosystem exchange CO2 -C (NEE). Throughout the growing season, rice fields, both for the site of Paraiso do Sul to the site of Cachoeira do Sul, acted as carbon sinks (C). During fallow periods, these fields were the sourc
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Conference papers on the topic "Production primaire brute"

1

Borowska, A. "BLOOD PLATELET FUNCTION OF HYPERLIPIDEMIC PATIENTS TREATED WITH BEZAFIBRATE." In XIth International Congress on Thrombosis and Haemostasis. Schattauer GmbH, 1987. http://dx.doi.org/10.1055/s-0038-1643459.

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Platelets from patients with hyperlipoproteinemia (HLP) are more sensitive to some aggregating agents than platelets from normal persons.On the other hand, it is known that from 15% to 20% of patients with coronary heart disease have primary or secondary HLP.The progress of the knowledge in this field has been expressed in production of the new drugs diminishing HLP.Be-zafibrate is a new derivative of clofibric acid,which has been used in the treatment of HLP.The purpose of our study was and assessment of the effect of bezafi-brate on platelet aggregation and thromboxane (TXB2) generation.The
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