Добірка наукової літератури з теми "Cérambycidés – Identification – Méditerranée (région)"
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Статті в журналах з теми "Cérambycidés – Identification – Méditerranée (région)":
Hemdane, Yacine, Mohamed Bouhmadouche, and Farid Atroune. "Identification des zones côtières à fort potentiel en énergie marine renouvelable (vagues/houles) à travers l’étude de la morphologie côtière et sous-marine et hydrodynamique." Journal of Renewable Energies 19, no. 4 (October 17, 2023). http://dx.doi.org/10.54966/jreen.v19i4.593.
Дисертації з теми "Cérambycidés – Identification – Méditerranée (région)":
Veillat, Loïs. "Approches génomiques pour la biodétection d'insectes invasifs forestiers." Electronic Thesis or Diss., Orléans, 2024. http://www.theses.fr/2024ORLE1012.
Biological invasions, particularly those of xylophagous insects such as cerambycids, are constantly increasing, mainly due to climate change and the intensification of trade exchanges. These insects, primarily transported through international wood trade, establish themselves in new ecosystems where they may not have natural enemies. Once established, they can cause considerable damage to forests and urban areas, thus threatening biodiversity, the economy, and the health of ecosystems. Therefore, these invasions require rigorous monitoring and management to prevent and mitigate their devastating impacts.In this context, this thesis has the following main objectives: (i) to assess the effectiveness of metabarcoding, a method that allows for the simultaneous and rapid identification of multiple insect species collected in the same trap, using the MinION sequencer from Oxford Nanopore®. This sequencer has the advantage of being portative and inexpensive, making it more accessible than competing technologies. (ii) To create a reference library of molecular barcodes for European Cerambycids to provide the scientific community with a database for reliable DNA-based identification analyses. (iii) To study the genetic structure of invasive populations of an exotic species introduced from Asia to the Mediterranean basin (Xylotrechus stebbingi) to better understand the invasion dynamics of this insect native to Asia. Regarding the first objective of this thesis, our results showed that the MinION sequencer from Oxford Nanopore® was efficient for the rapid detection and identification of invasive species, in comparison to Illumina® and IonTorrent sequencing technologies. Our results also show that the trapping method and sample preservation in the traps are essential prerequisites for the reliable detection of species present in the samples. For the second chapter, we assembled 2928 DNA barcode sequences from 147 species of cerambycids, representing over 79% of the 185 species captured in Europe using multi-pheromone traps. This new database could be used to accurately identify the contents of multi-pheromone traps deployed in Europe during barcode or metabarcoding analyses. Finally, in the third chapter of this thesis, we demonstrated that the invasion of the xylophagous Xylotrechus stebbingi in the Mediterranean basin resulted from a series of multiple introductions, probably linked to maritime trade exchanges rather than a single introduction that would have spread over time. These results imply that this highly polyphagous species has a strong invasive potential and is likely to invade new regions of the world (outside the Mediterranean basin) in the coming years through maritime transport. Consequently, it is necessary to remain vigilant in port areas to limit the spread of this insect as much as possible
Debevec, Cécile. "Identification des déterminants de la concentration en polluants organiques gazeux dans le bassin méditerranéen Est." Electronic Thesis or Diss., Lille 1, 2017. http://www.theses.fr/2017LIL10138.
Volatile organic compounds (VOCs) play a key role within the atmospheric system acting as precursors of ozone and secondary organic aerosols (OA). In the Mediterranean region, particulate and gaseous concentrations are usually higher than in most continental European regions especially during summertime. However, air pollution in this region remains difficult to characterize because of a lack of atmospheric measurements. This thesis provides a better understanding of the sources and fate of VOCs in the Eastern Mediterranean region. During the intensive field campaign held in March 2015 at a background site of Cyprus, real-time measurements of a large number of VOCs have been performed, allowing the evaluation of their concentration levels in ambient air, improving the understanding of their major sources in the area, and describing their variabilities and their potential origins. A factorial analysis (PMF) showed that the local biogenic sources and the regional background were found to be the largest contributors to the VOC concentrations observed at this site. Benefiting from real-time OA measurements, a parallel between organic aerosol and gas phase composition was conducted. Biogenic VOC interactions with anthropogenic compounds can influence formation and growth of newly particles, inducing a reinforcement of secondary OA fraction. Finally, on-line measurements of primary VOCs were performed from January 2015 to February 2016 to provide a better characterization of the seasonal variation in VOCs and their sources impacting the Eastern Mediterranean region
Debevec, Cécile. "Identification des déterminants de la concentration en polluants organiques gazeux dans le bassin méditerranéen Est." Thesis, Lille 1, 2017. http://www.theses.fr/2017LIL10138/document.
Volatile organic compounds (VOCs) play a key role within the atmospheric system acting as precursors of ozone and secondary organic aerosols (OA). In the Mediterranean region, particulate and gaseous concentrations are usually higher than in most continental European regions especially during summertime. However, air pollution in this region remains difficult to characterize because of a lack of atmospheric measurements. This thesis provides a better understanding of the sources and fate of VOCs in the Eastern Mediterranean region. During the intensive field campaign held in March 2015 at a background site of Cyprus, real-time measurements of a large number of VOCs have been performed, allowing the evaluation of their concentration levels in ambient air, improving the understanding of their major sources in the area, and describing their variabilities and their potential origins. A factorial analysis (PMF) showed that the local biogenic sources and the regional background were found to be the largest contributors to the VOC concentrations observed at this site. Benefiting from real-time OA measurements, a parallel between organic aerosol and gas phase composition was conducted. Biogenic VOC interactions with anthropogenic compounds can influence formation and growth of newly particles, inducing a reinforcement of secondary OA fraction. Finally, on-line measurements of primary VOCs were performed from January 2015 to February 2016 to provide a better characterization of the seasonal variation in VOCs and their sources impacting the Eastern Mediterranean region
Hamdi, Faten. "'Identification morphologique et moléculaire et caractérisation bio-écologique d'un agent de lutte biologique zoophytophage méditerranéen : Macrolophus pygmaeus'." Electronic Thesis or Diss., Montpellier 2, 2012. http://www.theses.fr/2012MON20053.
The success of a biological or integrated pest management control program is deeply dependant of the involved biological control agent as well as its intrinsic characteristics and its various interactions with the target introduction area. Before any implication in such a program an accurate/correct identification, a detailed knowledge of its biology, ecology, potential in pest control are necessary. This work was developed in a context of the sanitary and environmental fruits and vegetables production limitation risk problems. It consists, more specifically, in the phytosanitary and environmental impact limitations of some tomato (Solanum lycopersicum L.) pests. In the last twenty years, the biological and integrated pest management has considerably changed by involving a large scale of biological control agents for a successful control of the main parasitic invasions (the two whiteflies, Bemisia tabaci [Gennadius, 1889) and Trialeurodes vaporariorum (Westwood, 1856), more recently the moth Tuta absoluta (Meyrick, 1917)]. Among the natural enemies used on the Mediterranean region, one finds a zoophytophagous bug belonging to the Macrolophus genus (Hemiptera: Miridae. In spite of its marketing since the 1990s under the name Macrolophgus caliginosus, its specific identity still remains unclear. This is due to the presence in the origin zone (Mediterranean area) of two morphologically closed species: Macrolophus caliginosus/melanotoma and Macrolophus pygmaeus. The first part of this thesis shed light on the identification problem through a double morphological and molecular approach. It also provided a new identification key of all the Palaearctic species belonging to the genus Macrolophus. The second part focused on some bio-ecological traits of the commercialised species, identified in this work as M. pygmaeus. The influence of trophic/feeding resources on the survival capacity has been studied and a cannibalistic behaviour has been demonstrated. The close relationship between phytophagy and zoophagy was characterized; finally the impact of temperature on its functional response was described. The results showed the importance of all these parameters on M. pygmaeus predation potential and emphasized their contribution on the success or failure in tomato pest management
Hamdi, Faten. "'Identification morphologique et moléculaire et caractérisation bio-écologique d'un agent de lutte biologique zoophytophage méditerranéen : Macrolophus pygmaeus'." Thesis, Montpellier 2, 2012. http://www.theses.fr/2012MON20053/document.
The success of a biological or integrated pest management control program is deeply dependant of the involved biological control agent as well as its intrinsic characteristics and its various interactions with the target introduction area. Before any implication in such a program an accurate/correct identification, a detailed knowledge of its biology, ecology, potential in pest control are necessary. This work was developed in a context of the sanitary and environmental fruits and vegetables production limitation risk problems. It consists, more specifically, in the phytosanitary and environmental impact limitations of some tomato (Solanum lycopersicum L.) pests. In the last twenty years, the biological and integrated pest management has considerably changed by involving a large scale of biological control agents for a successful control of the main parasitic invasions (the two whiteflies, Bemisia tabaci [Gennadius, 1889) and Trialeurodes vaporariorum (Westwood, 1856), more recently the moth Tuta absoluta (Meyrick, 1917)]. Among the natural enemies used on the Mediterranean region, one finds a zoophytophagous bug belonging to the Macrolophus genus (Hemiptera: Miridae. In spite of its marketing since the 1990s under the name Macrolophgus caliginosus, its specific identity still remains unclear. This is due to the presence in the origin zone (Mediterranean area) of two morphologically closed species: Macrolophus caliginosus/melanotoma and Macrolophus pygmaeus. The first part of this thesis shed light on the identification problem through a double morphological and molecular approach. It also provided a new identification key of all the Palaearctic species belonging to the genus Macrolophus. The second part focused on some bio-ecological traits of the commercialised species, identified in this work as M. pygmaeus. The influence of trophic/feeding resources on the survival capacity has been studied and a cannibalistic behaviour has been demonstrated. The close relationship between phytophagy and zoophagy was characterized; finally the impact of temperature on its functional response was described. The results showed the importance of all these parameters on M. pygmaeus predation potential and emphasized their contribution on the success or failure in tomato pest management