Academic literature on the topic 'Insect impact dynamics'
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Journal articles on the topic "Insect impact dynamics"
Martinez, Lili, Pushpa Soti, Jasleen Kaur, Alexis Racelis, and Rupesh R. Kariyat. "Impact of Cover Crops on Insect Community Dynamics in Organic Farming." Agriculture 10, no. 6 (June 8, 2020): 209. http://dx.doi.org/10.3390/agriculture10060209.
Full textNasrin, M., MR Amin, MRU Miah, AM Akanda, and MG Miah. "Impact of Foraging Insect Pollinators on Chili Production." Bangladesh Journal of Agricultural Research 46, no. 3 (January 26, 2023): 297–306. http://dx.doi.org/10.3329/bjar.v46i3.64130.
Full textBen Dhahbi, Anis, Yassine Chargui, Salah Mahmoud Boulaaras, Sana Ben Khalifa, Waleed Koko, and Faisal Alresheedi. "Mathematical Modelling of the Sterile Insect Technique Using Different Release Strategies." Mathematical Problems in Engineering 2020 (November 6, 2020): 1–9. http://dx.doi.org/10.1155/2020/8896566.
Full textNgouajio, Mathieu, and Milton E. McGiffen. "Going Organic Changes Weed Population Dynamics." HortTechnology 12, no. 4 (January 2002): 590–96. http://dx.doi.org/10.21273/horttech.12.4.590.
Full textBonsall, Michael B. "The impact of diseases and pathogens on insect population dynamics." Physiological Entomology 29, no. 3 (August 2004): 223–36. http://dx.doi.org/10.1111/j.0307-6962.2004.00389.x.
Full textLähteenmäki-Uutela, A., L. Hénault-Ethier, S. B. Marimuthu, S. Talibov, R. N. Allen, V. Nemane, G. W. Vandenberg, and D. Józefiak. "The impact of the insect regulatory system on the insect marketing system." Journal of Insects as Food and Feed 4, no. 3 (August 30, 2018): 187–98. http://dx.doi.org/10.3920/jiff2017.0073.
Full textWu, Yangxue, Junjie Li, Huanhuan Liu, Gexia Qiao, and Xiaolei Huang. "Investigating the Impact of Climate Warming on Phenology of Aphid Pests in China Using Long-Term Historical Data." Insects 11, no. 3 (March 5, 2020): 167. http://dx.doi.org/10.3390/insects11030167.
Full textGuo, Jianglong, Xiaowei Fu, Shengyuan Zhao, Xiujing Shen, Kris A. G. Wyckhuys, and Kongming Wu. "Long-term shifts in abundance of (migratory) crop-feeding and beneficial insect species in northeastern Asia." Journal of Pest Science 93, no. 2 (January 3, 2020): 583–94. http://dx.doi.org/10.1007/s10340-019-01191-9.
Full textKorell, Lotte, Martin Schädler, Roland Brandl, Susanne Schreiter, and Harald Auge. "Release from Above- and Belowground Insect Herbivory Mediates Invasion Dynamics and Impact of an Exotic Plant." Plants 8, no. 12 (November 26, 2019): 544. http://dx.doi.org/10.3390/plants8120544.
Full textSkendžić, Sandra, Monika Zovko, Ivana Pajač Živković, Vinko Lešić, and Darija Lemić. "The Impact of Climate Change on Agricultural Insect Pests." Insects 12, no. 5 (May 12, 2021): 440. http://dx.doi.org/10.3390/insects12050440.
Full textDissertations / Theses on the topic "Insect impact dynamics"
Gryspeirt, Aiko. "Impact des plantes Bt sur la biologie de Plodia interpunctella: évaluation de l'efficacité de la stratégie agricole "Haute dose - refuge" pour la gestion de la résistance des insectes ravageurs aux plantes Bt." Doctoral thesis, Universite Libre de Bruxelles, 2008. http://hdl.handle.net/2013/ULB-DIPOT:oai:dipot.ulb.ac.be:2013/210542.
Full textMon projet de recherche s’inscrit dans le cadre de l’évaluation de l'efficacité de cette stratégie et s’articule en deux phases :une phase expérimentale et une phase théorique. La première se concentre sur la caractérisation en laboratoire de l'impact des toxines Cry sur la biologie d'un ravageur. Cette phase constitue un support au volet théorique :la mise au point d’un modèle mathématique évaluant l'efficacité de la stratégie HD/R. L'originalité de ce projet repose entre autre sur l'interactivité entre ces deux volets.
Volet expérimental. Impact des toxines Cry sur la biologie de Plodia interpunctella. Nous évaluons séparément l'impact d'une gamme de concentrations de deux toxines Cry (CryXX et CryYY) sur une série de paramètres comportementaux et biologiques d'un insecte commun des denrées stockées: Plodia interpunctella (Hübner) (Lepidoptera :Pyralidae). Ces paramètres sont sélectionnés car leur variation pourrait avoir un impact sur l'efficacité de la stratégie HD/R dans le contrôle de la résistance. Il est donc pertinent de les quantifier pour intégrer dans le modèle des ordres de grandeur réalistes et générer des résultats qui ne sont pas uniquement basés sur des spéculations théoriques.
Volet théorique A. Efficacité de la stratégie HD/R pour des plantes Bt synthétisant une ou deux toxines simultanément. La stratégie 'HD/R' a été développée pour prévenir la résistance envers les plantes Bt synthétisant une seule toxine. Or, depuis 2003, de nouvelles variétés de coton Bt synthétisant simultanément deux toxines Cry sont commercialisées (BollgardII® et WidestrikeTM). Nous évaluons, grâce au modèle que nous avons développé, l'efficacité de cette stratégie lors d'une utilisation exclusive de plantes Bt synthétisant une ou deux toxines.
Volet théorique B. Impact du ralentissement du développement des insectes sur les plantes Bt sur l'efficacité de la stratégie HD/R. Le volet expérimental met en évidence un allongement de la durée du développement des larves se nourrissant sur une diète contaminée en toxine Cry. Ce ralentissement induit une séparation temporelle entre l'émergence des adultes de la zone Bt et de la zone refuge et perturbe une hypothèse principale de la stratégie HD/R: le croisement aléatoire entre adultes, indépendamment du génotype et de la zone d'origine. Dans ce troisième chapitre, nous étudions l'impact de la perturbation du croisement aléatoire sur l'efficacité de la stratégie HD/R. Nous testons également deux options pour optimiser la stratégie en cas d'asynchronie: l'utilisation de plantes Bt synthétisant une faible concentration en toxine (atténuant le décalage entre l'émergence des adultes) ou l'augmentation de la taille de la zone refuge (favorisant la survie des individus porteurs d'allèle de sensibilité et donc optimisant la dilution de la résistance à la génération suivante).
Ce travail s'intègre dans une problématique actuelle et utilise des outils de biologie théorique (théories de la dynamique et de la génétique des populations) ainsi que le développement d'un modèle mathématique. Il apporte des éléments de réponse et de réflexion sur l'optimisation de la gestion de la résistance des insectes mais c'est aussi une illustration de la complémentarité entre la biologie expérimentale et théorique.
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On the market since 1996, genetically modified plants synthesizing an insecticidal toxin (Cry toxin) stemmed from Bacillus thuringiensis, called Bt plants, target several insect pests (Lepidoptera or Coleoptera). Bt crops cover increasingly larger areas and control important pest populations The Insect Resistance Management Strategy (IRM) strategy currently recommended in the U.S.A. to limit the development of resistant populations is the High Dose / Refuge zone (HD/R) strategy. This pre-emptive strategy requires a refuge zone composed by non-Bt plants, usable by the target insect and in close proximity of the Bt zone synthesizing a high toxin concentration.
My research project contributes to the effectiveness assessment of this HD/R strategy. It is structured on two main parts: an experimental, and a theoretical section. The first part characterizes the impact of Cry toxins on the biology of an insect pest. It is the basis of the theoretical part: the implementation of a mathematical model, which evaluates the effectiveness of the HD/R strategy.
The originality of this project is based on the interactivity of these two components.
Experimental section. Impact of the Cry toxins on the biology of Plodia interpunctella. We assess the impact of a range of concentrations of two Cry toxins (CryXX et CryYY) on several behavioural and biological parameters of a common pest of stored products: Plodia interpunctella (Hübner) (Lepidoptera :Pyralidae). These parameters are selected because their variation could influence the effectiveness of a HD/R strategy. So, it is important to quantify these parameters so that realistic values can be integrated in our model. The results of the model are thus not based on theoretical assumptions alone.
Theoretical section A. Effectiveness of a HD/R strategy with Bt plants synthesizing one or two toxins. Initially, the HD/R strategy has been developed to limit the resistance towards Bt plants synthesizing one toxin. However, since 2003, new Bt cotton varieties synthesize two toxins simultaneously (BollgardII® et WidestrikeTM). We assess, with our model, the effectiveness of this strategy for Bt plants synthesizing one or two toxins.
Theoretical section B. Impact of the slowing down of the insect development reared on Bt plants on the effectiveness of the HD/R strategy. The experimental part demonstrates that larvae reared on a Bt diet have a protracted development duration. The consequence of this is a temporal separation between adult emergence in the two zones (Bt zone and refuge zone). This could affect the main assumption of the HD/R strategy, i. e. random mating independently of the genotype and of the native zone. In this third chapter, we study the impact of random mating disruption on the effectiveness of a HD/R strategy. We test two options to optimise the strategy in case of asynchrony: the use of Bt plants synthesizing a lower toxin concentration (limiting emergence asynchrony) or increasing the refuge zone size (favouring the survival of insect carrying one or two susceptible allele and thus optimising the dilution of resistance at the next generation).
This work is applied to a current issue. It uses some of the tools of theoretical biology (theories of population dynamics and population genetics) and develops a mathematical model. It provides some responses and some elements of thought about insect resistance management. It is also an illustration of the complementarity between experimental and theoretical biology.
Doctorat en Sciences
info:eu-repo/semantics/nonPublished
Doublet, Violette. "Interactions biotiques et dynamiques des populations : approches empiriques et théoriques de la prédation pré-dispersion des graines par les insectes." Thesis, Montpellier, 2020. http://www.theses.fr/2020MONTG007.
Full textBiotic interactions are among key processes in population dynamics and critical issues for the renewal and persistence of species within ecosystems. In particular, herbivory by pre-dispersal seed insect predators is a major ecological process in forest dynamics due to its impact on tree reproductive success and on natural regeneration. However, its consequence on tree population dynamics and evolution remain poorly documented. This thesis contributed to fill this gap as an integrative combination of empirical and theoretical approaches. The empirical approach aimed to characterize the drivers of the spatio-temporal dynamics of seed predation rates in natural forest. We used a system of tree-insect interactions involving seed predators (Megastigmus spp., Hymenoptera: Torymidae) and their obligate host, the Atlas Cedar (Cedrus atlantica, Pinaceae), located in south-eastern France. At the host population scale, our results revealed that the transient pattern of the spatial distribution of insects was primarily explained by spatiotemporal variations in seed density. Thus, Cedar masting appeared to be a major driving force of the insects’ spatial and temporal dynamics. We have also highlighted the existence of an inter-individual variation in the sensitivity of trees to seed predation. A preliminary analysis has suggested that such variation is partly under genetic control and we propose further analyses to be carried out in such perspective. The theoretical approach aimed to analyse the joint effects of masting and the spatial distribution of pre-dispersal seed predation by insects on demographic processes and genetic diversity in an expanding tree population. The analytical modelling of these interactions revealed on the one hand that pre-dispersal seed predation induce Allee effects that may affect the spatial structure of genetic diversity in the expanding tree population, and on the other hand, that masting was likely to buffer such demogenetic impact of seed predation. This work has shed new light on the possible implications of pre-dispersal predation by insects in the dynamics and evolution of forests
Gidoin, Cindy. "Impacts écologiques de l’invasion d’un insecte prédateur de graines (Hymenoptera Torymidae) dans un écosystème forestier méditerranéen." Thesis, Montpellier, SupAgro, 2014. http://www.theses.fr/2014NSAM0015/document.
Full textBiological invasions produce novel species assemblages in communities that likely result in novel interspecific interactions. Ecological impacts of invasions may be: (i) indirect, if the invader enters competition with resident species, and (ii) indirect if the invader is a predator or a parasite of resident species. Both indirect and direct ecological invasion impacts are likely to apply to invasive wasps of the Megastigmus genus (Hymenoptera: Torymidae), which exploit narrow ecological niches that overlap with those of resident insect species, and contribute to high mortality levels in host plant populations due to their high specialization on seeds. This thesis aimed at testing such predictions by studying the impacts of the invasion of M. schimitscheki on: (i) its resident competitor for the seed resource M. pinsapinis, and (ii) the expanding populations of its obligatory host the Atlas cedar (Cedrus atlantica) in southeastern France.An extensive spatio-temporal survey of Megastigmus spp. populations indicated that the rapid expansion of M. schimitscheki was associated with a strong decline of M. pinsapinis. A mechanistic-statistical modelling approach allowed us to show that an earlier phenology of M. schimitscheki had a stronger explanatory power of both invasion success and the competitive exclusion of the resident than temporal variation in resource supply.A theoretical approach of the indirect impact of M. schimitscheki on C. atlantica expansion dynamics was based on reaction-diffusion models. We showed that an Allee effect resulting from seed predation at the expansion front of a host population may increase the genetic contribution of host individuals situated in the bulk of the expansion front. Interestingly, this phenomenon results in a limited erosion of genetic diversity during the expansion phase of the host population.The empirical and theoretical approaches developed showed that the invasion of M. schimitscheki in French cedar forests had a strong and negative indirect impact on the demography of a resident species, but, parallely, such invasion may directly favour the maintenance of genetic diversity in expanding host plant populations
Poher, Yoann. "Dynamique de la biodiversité et changements environnementaux en Corse depuis 7000 ans : éclairages paléoentomologiques et paléobotaniques." Thesis, Aix-Marseille, 2017. http://www.theses.fr/2017AIXM0435/document.
Full textThis thesis aims to define the multi-millennial trajectories of Corsican ecosystems under the climatic, eustatic and anthropic factors via the study of fossil insect assemblages and previous or new palaeobotanical data. This multidisciplinary approach was carried out at low and middle elevation on three sedimentary archives from the Greco pond on Cavallo Island, the Cannuta marsh and the Bagliettu peat-bog. The results reveal major changes in the structure of the vegetation cover over the last 7000 years. Signs of more open landscapes occurred on Cavallo and in Cannuta from 5500-5000 cal. BP. They coincide with bio-markers of insular societies activities, which increased from 3000 cal. BP onward and more particularly during the last 1000 years at Bagliettu.This study also suggests that the sensitivity and the response of coastal wetlands to the relative sea-level rise depend on the geomorphological context. On the low-lying Cavallo Island, marine transgression induced an increase of salt conditions in the Greco pond from 3700 cal. BP, which in turn, caused an irreversible loss of aquatic and hygrophilous beetle diversity. In Cannuta marsh, erosion on catchment slopes favoured the progradation of the coastal floodplain and the results reveal a progressive decrease of the marine influence from 5000 cal. BP as well as a diversification of this entomofauna over the last 1200 years. In Bagliettu, the results show how hydro-morphological changes of the rivers impact the dynamics of adjacent peaty ecosystems and beetle diversity
Books on the topic "Insect impact dynamics"
L, McManus Michael, Liebhold Andrew M, United States. Forest Service. Northeastern Research Station, Northeastern Forest Experiment Station (Radnor, Pa.), and United States. Forest Health Technology Enterprise Team, eds. Proceedings, population dynamics, impacts, and integrated management of forest defoliating insects: Banská Štiavnica, Slovak Republic, August 18-23, 1996. Radnor, PA: USDA Forest Service, Northeastern Research Station, 1998.
Find full textL, McManus Michael, Liebhold Andrew M, United States. Forest Service. Northeastern Research Station., International Union of Forest Research Organizations. Working Party S7.03-06, "Integrated Management of Forest Defoliating Insects", International Union of Forest Research Organizations. Working Party S7.03.07, "Population Dynamics of Forest Insects", and United States. Forest Health Technology Enterprise Team., eds. Proceedings: Population dynamics, impacts, and integrated management of forest defoliating insects : Banská Štiavnica, Slovak Republic, August 18-23, 1996. Radnor, PA: USDA Forest Service, Northeastern Research Station, 1998.
Find full textBeerling, David. The Emerald Planet. Oxford University Press, 2007. http://dx.doi.org/10.1093/oso/9780192806024.001.0001.
Full textBook chapters on the topic "Insect impact dynamics"
Satpathy, S., B. S. Gotyal, and V. Ramesh Babu. "Impact of Climate Change on Insect Pest Dynamics and Its Mitigation." In Conservation Agriculture and Climate Change Impacts and Adaptations, 107–18. London: CRC Press, 2022. http://dx.doi.org/10.1201/9781003364665-8.
Full textRussell, D. A., and S. M. Radwan. "Modelling the impact of cotton fruiting phenology on pink bollworm population dynamics in Egypt." In Proceedings of the 8th International Symposium on Insect-Plant Relationships, 323–24. Dordrecht: Springer Netherlands, 1992. http://dx.doi.org/10.1007/978-94-011-1654-1_105.
Full textLi, Ming. "Teacher Learning: A Multifaceted, Situated and Dynamic Process." In Understanding the Impact of INSET on Teacher Change in China, 89–103. Singapore: Springer Singapore, 2018. http://dx.doi.org/10.1007/978-981-13-3311-8_6.
Full textKarthik, Somala, M. S. Sai Reddy, and Gummudala Yashaswini. "Climate Change and Its Potential Impacts on Insect-Plant Interactions." In Global Warming and Climate Change [Working Title]. IntechOpen, 2021. http://dx.doi.org/10.5772/intechopen.98203.
Full textBonsall, Michael B., and Michael P. Hassell. "Predator–prey interactions." In Theoretical Ecology. Oxford University Press, 2007. http://dx.doi.org/10.1093/oso/9780199209989.003.0008.
Full textVan Rijn, Paul C. J., and Maurice W. Sabelis. "Impact of plant-provided food on herbivore–carnivore dynamics." In Plant-Provided Food for Carnivorous Insects, 223–66. Cambridge University Press, 2005. http://dx.doi.org/10.1017/cbo9780511542220.009.
Full textWellenreuther, Maren, Rachael Y. Dudaniec, and Lesley T. Lancaster. "Genomic insights into micro- and macro-evolutionary processes in Odonata." In Dragonflies and Damselflies, 7–20. 2nd ed. Oxford University PressOxford, 2022. http://dx.doi.org/10.1093/oso/9780192898623.003.0002.
Full textNabi, Zahid, Mudasir Youssouf, and Javid Manzoor. "Impact of Pesticides on Aquatic Life." In Advances in Environmental Engineering and Green Technologies, 170–81. IGI Global, 2019. http://dx.doi.org/10.4018/978-1-5225-6111-8.ch010.
Full textRossiter, MaryCarol. "The Impact of Resource Variation on Population Quality in Herbivorous Insects: A Critical Aspect of Population Dynamics." In Effects of Resource Distribution on Animal–Plant Interactions, 13–42. Elsevier, 1992. http://dx.doi.org/10.1016/b978-0-08-091881-5.50005-0.
Full textGolfarelli, Matteo, and Stefano Rizzi. "What-if Simulation Modeling in Business Intelligence." In Business Information Systems, 2229–47. IGI Global, 2010. http://dx.doi.org/10.4018/978-1-61520-969-9.ch135.
Full textConference papers on the topic "Insect impact dynamics"
Jankauski, Mark, Ryan Schwab, Cailin Casey, and Andrew Mountcastle. "Insect Wing Buckling Influences Stress and Stability During Collisions." In ASME 2021 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. American Society of Mechanical Engineers, 2021. http://dx.doi.org/10.1115/detc2021-70551.
Full textCheng, B., and X. Deng. "Mathematical Modelling of Near-Hover Insect Flight Dynamics." In ASME 2010 Dynamic Systems and Control Conference. ASMEDC, 2010. http://dx.doi.org/10.1115/dscc2010-4234.
Full textTanbour, Emad Y., and Ramin K. Rahmani. "Enhancement of Natural Convection Heat Transfer Rate in Internal Compressible Flows by Inserting Stationary Inserts." In ASME 2008 Heat Transfer Summer Conference collocated with the Fluids Engineering, Energy Sustainability, and 3rd Energy Nanotechnology Conferences. ASMEDC, 2008. http://dx.doi.org/10.1115/ht2008-56078.
Full textErlich, I., and F. Shewarega. "Insert Impact of Large-Scale Wind Power Generation on the Dynamic Behaviour of Interconnected Systems." In 2007 iREP Symposium - Bulk Power System Dynamics and Control - VII. Revitalizing Operational Reliability. IEEE, 2007. http://dx.doi.org/10.1109/irep.2007.4410525.
Full textHiner, Stephen D. "The Use of 3D CFD Analysis in the Design of Air Intake Systems as a Visualisation Tool to Optimise Performance in Gas Turbine Applications." In ASME Turbo Expo 2005: Power for Land, Sea, and Air. ASMEDC, 2005. http://dx.doi.org/10.1115/gt2005-68758.
Full textVenanzi, T., M. Selig, A. Pashkin, S. Winnerl, M. Katzer, H. Arora, A. Erbe, et al. "Carrier dynamics in InSe and the impact of terahertz pulses." In 2022 47th International Conference on Infrared, Millimeter and Terahertz Waves (IRMMW-THz). IEEE, 2022. http://dx.doi.org/10.1109/irmmw-thz50927.2022.9895949.
Full textLi, Chengyu, Junshi Wang, Geng Liu, Xiaolong Deng, and Haibo Dong. "Passive Pitching Mechanism of Three-Dimensional Flapping Wings in Hovering Flight." In ASME-JSME-KSME 2019 8th Joint Fluids Engineering Conference. American Society of Mechanical Engineers, 2019. http://dx.doi.org/10.1115/ajkfluids2019-4639.
Full textAguilera, Jesse, Constantine Tarawneh, Harry Siegel, Robert Jones, and Santana Gutierrez. "Conductive Polymer Pad for Use in Freight Railcar Bearing Adapters." In 2022 Joint Rail Conference. American Society of Mechanical Engineers, 2022. http://dx.doi.org/10.1115/jrc2022-78217.
Full textJacobsen, Karina, and Michael Carolan. "Results of a Diesel Multiple Unit Fuel Tank Blunt Impact Test." In 2017 Joint Rail Conference. American Society of Mechanical Engineers, 2017. http://dx.doi.org/10.1115/jrc2017-2248.
Full textLin, Yuan, and Nicole Abaid. "Bats Versus Bugs: Collective Behavior of Prey Decreases Predation in a Biologically-Inspired Multi-Agent System." In ASME 2013 Dynamic Systems and Control Conference. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/dscc2013-3816.
Full textReports on the topic "Insect impact dynamics"
McManus, M. L., and A. M. ,. eds Liebhold. Proceedings: population dynamics, impacts, and integrated management of forest defoliating insects. Radnor, PA: U.S. Department of Agriculture, Forest Service, Northeastern Research Station, 1998. http://dx.doi.org/10.2737/ne-gtr-247.
Full textMcManus, M. L., and A. M. ,. eds Liebhold. Proceedings: population dynamics, impacts, and integrated management of forest defoliating insects. Radnor, PA: U.S. Department of Agriculture, Forest Service, Northeastern Research Station, 1998. http://dx.doi.org/10.2737/ne-gtr-247.
Full textAsenath-Smith, Emily, Emily Jeng, Emma Ambrogi, Garrett Hoch, and Jason Olivier. Investigations into the ice crystallization and freezing properties of the antifreeze protein ApAFP752. Engineer Research and Development Center (U.S.), September 2022. http://dx.doi.org/10.21079/11681/45620.
Full textBarg, Rivka, Kendal D. Hirschi, Avner Silber, Gozal Ben-Hayyim, Yechiam Salts, and Marla Binzel. Combining Elevated Levels of Membrane Fatty Acid Desaturation and Vacuolar H+ -pyrophosphatase Activity for Improved Drought Tolerance. United States Department of Agriculture, December 2012. http://dx.doi.org/10.32747/2012.7613877.bard.
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