Letteratura scientifica selezionata sul tema "Espèces indésirables"
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Articoli di riviste sul tema "Espèces indésirables"
Biquand, S., e V. Biquand Guyot. "Etude du pâturage mixte caprins, bovins en Martinique". Revue d’élevage et de médecine vétérinaire des pays tropicaux 44, special (1 maggio 1991): 23–26. http://dx.doi.org/10.19182/remvt.9237.
Testo completoPAGOT, Céline, David SUAREZ, Éric BRUGEL, Sarah BÉGOIN, Jasmin DUCRY, Stéphane BARBIER e Sylvain BIMONT. "Accompagner le monde agricole dans la préservation des messicoles : bilan de trois années d’inventaire et de sensibilisation en Poitou-Charentes". Sciences Eaux & Territoires, n. 39 (27 dicembre 2022): 39–44. http://dx.doi.org/10.20870/revue-set.2022.39.7275.
Testo completoBRIANT, C., D. GUILLAUME, P. L. TOUTAIN e M. R. BLANC. "Superovulation chez la jument avec les hormones gonadotropes : le point sur la situation et nouvelles données". INRAE Productions Animales 20, n. 4 (7 novembre 2007): 275–94. http://dx.doi.org/10.20870/productions-animales.2007.20.4.3466.
Testo completoTremblay, Roxane, e Reinhard Pienitz. "Caractéristiques limnologiques de 56 lacs du Québec méridional en lien avec l’état trophique". Revue des sciences de l’eau 28, n. 2 (7 luglio 2015): 139–62. http://dx.doi.org/10.7202/1032295ar.
Testo completoAl Dughayrn, A. M., A. I. Afaleq e A. M. Homeida. "Synthèse sur les effets indésirables de certains médicaments chez le chameau". Revue d’élevage et de médecine vétérinaire des pays tropicaux 51, n. 1 (1 gennaio 1998): 81–86. http://dx.doi.org/10.19182/remvt.9657.
Testo completoDumesnil, C., R. Beuscart e E. Chazard. "Comparer les durées de séjour selon qu’un événement indésirable temps-dépendant survient : évaluation et correction du risque de première espèce". Revue d'Épidémiologie et de Santé Publique 62 (marzo 2014): S99. http://dx.doi.org/10.1016/j.respe.2014.01.090.
Testo completoTesi sul tema "Espèces indésirables"
Rocher, Léo. "Identification des paramètres de la végétation favorisant les arthropodes bénéfiques et les fonctions écologiques associées en viticulture : approche corrélative et expérimentale". Electronic Thesis or Diss., Avignon, 2024. http://www.theses.fr/2024AVIG0375.
Testo completoBiodiversity decline within agroecosystems is mainly attributed to modern agriculture. The main causes include the destruction of semi-natural structures, the increase in field size and the high use of agrochemicals for fertilisation and pest control. Arthropods contribute significantly to the key ecosystem services such as pest control and pollination. They largely depend on the vegetation within fields and in the surroundings. Plants provide food resources and other habitat functions that are crucial for the survival and reproduction of arthropods. Semi-natural structures are important to maintain species-rich vegetation, and thus arthropods with associated ecological functions. In permanent crops such as vineyards, semi-natural structures can be established in inter-rows within fields. However, in the French Mediterranean, inter-rows are often tilled to remove non-crop vegetation since winegrowers are afraid of water competition and the spread of undesirable weeds. This thesis aims to better understand how inter-row vegetation promotes beneficial arthropods and predation of pest insects while limiting the spread of undesirable plant species in Mediterranean vineyards of South-Eastern France (Luberon). The present thesis addresses three major research questions: (1) Do inter-row vegetation cover and its floristic composition affect ant species and diversity, that were found to be vineyard predators? (2) Which functional groups of the vegetation are related to the abundance of predators, parasitoids, pollinators and predation sentinel prey? (3) Does species-richinter-row vegetation increase the abundance of such beneficial arthropods, improve predation of sentinel prey and limit the spread of undesirable plant species? In the first chapter, we studied the ant response to inter-row vegetation in 23 vineyards. We tested the effects of three types of inter-row vegetation management on ant diversity and frequency: fully, partially, and non-vegetated vineyards. We showed that partially vegetated vineyards had greater ant species richness compared to non-vegetated ones. Grass and perennial plant cover positively influenced ant species richness, demonstrating the importance of inter-row vegetation and itsmanagement. In the second chapter, we examined which characteristics of spontaneous vegetation affect beneficial arthropods and sentinel prey predation in 37 vineyards. We found that nectariferous flower cover and plant species richness favoured most groups of beneficial arthropods, as well as predation. These results underline the importance of floral resources and plant diversity in promotingthe studied beneficial arthropods. The last chapter focuses on a sowing experiment that was analysed for two years. Three types of inter-row vegetation were compared: high diversity sowing, spontaneous vegetation, and inter-rows without vegetation. In agreement with the second chapter, our results highlight the positive effects of plant species richness and flower cover on weed control, beneficial arthropod abundance, and predation of sentinel prey. The overall results of the different studies conducted in this thesis converge and highlight the importance of considering vegetation characteristics to promote beneficial arthropods in vineyard ecosystems
Desrochers, Valérie. "Utilisation de microboutures de saule pour prévenir le développement d'espèces indésirables". Thèse, 2019. http://hdl.handle.net/1866/22741.
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