0000000000459045

AUTHOR

Delphine Meziere

showing 11 related works from this author

Assessing the effect of changes of agricultural practices accompanying herbicide-tolerant crops on agricultural biodiversity. A simulation study with…

2014

International audience

[SDE] Environmental Sciencesmodel[SDV]Life Sciences [q-bio]yield lossgenetically-modifiedcropping system[SHS]Humanities and Social Sciences[SDV] Life Sciences [q-bio][SDE]Environmental Sciencesherbicide resistance[SDV.BV]Life Sciences [q-bio]/Vegetal Biology[SDV.BV] Life Sciences [q-bio]/Vegetal Biology[SHS] Humanities and Social SciencesComputingMilieux_MISCELLANEOUSweedbiodiversity
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The role of models in management and conservation of weeds

2013

Session 7 - Options and perspectives in weed managementEASPEEcolDurCT1; Weeds are both a harmful crop pest and an important component of biodiversity. Moreover, herbicide use must be reduced to limit its impact on environment, and weed control must now combine numerous management techniques with partial efficiency aiming at preventing weed occurrence. Biological regulations of weeds by other biotic components could also contribute to control infestations. Thus, new cropping systems are needed, combining numerous techniques and aiming at both maximising weed-related biodiversity and minimising weed harmfulness.[br/]Weed dynamics models are increasingly used to design innovative cropping syst…

[SDV] Life Sciences [q-bio]model[ SDV ] Life Sciences [q-bio]integrated weed managementdecision aids[SDV]Life Sciences [q-bio]cropping systemsimulationbiodiversityweed
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Gérer les espèces adventices et la flore des linéaires non cultivés une approche fonctionnelle

2017

Prod 2017-296a EA GESTAD INRA AGROSUP Ce livret présente une partie des travaux présentés lors de la journée d’animation conjointe des RMTs FlorAd et AgroforesterieS avec le soutien de la FRB.; National audience; Les RMTs FlorAd et AgroforesterieS a organisé une journée thématique sur l’intérêt de l’approche fonctionnelle pour la gestion des plantes adventices et/ou de la végétation des linéaires non cultivés (bords de champs, bandes enherbées) en grandes cultures, vignes et dans les systèmes agroforestiers. La journée a eu pour objectif de faire découvrir l’approche fonctionnelle et ses potentialités, et de réfléchir à la manière dont le développement pourrait s’emparer de cette approche e…

[SDV.SA]Life Sciences [q-bio]/Agricultural sciences[SDV.SA] Life Sciences [q-bio]/Agricultural sciences[SDV.BV]Life Sciences [q-bio]/Vegetal Biology[SDV.BV] Life Sciences [q-bio]/Vegetal Biology
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Proposing a set of simulation-based indicators to assess harmfulness and biodiversity resulting from weeds in agroecosystems

2013

International audience; Weeds are both a harmful pest and an important trophic resource for many biotic components. Moreover, herbicide use must be reduced to limit its impact on environment and human health. Consequently, new cropping systems are needed that both maximise weed-related biodiversity and minimise weed harmfulness. Weed dynamics models are increasingly used to design innovative cropping systems but they only consider weed densities and/or crop yield loss. Thus, the objective of the present study was to develop a set of indicators to assess weed-related harmfulness and biodiversity and to connect them to the FLORSYS model. The FLORSYS model is to date the only multispecific wee…

[SDE] Environmental Sciencesmodelindicator[SDV]Life Sciences [q-bio]fungifood and beveragescropping systemecosystem service[SDV] Life Sciences [q-bio]parasitic diseases[SDE]Environmental Sciences[SDV.BV]Life Sciences [q-bio]/Vegetal Biology[SDV.BV] Life Sciences [q-bio]/Vegetal Biologyweed
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Changing agricultural practices modifies the species and trait composition of the weed flora. A simulation study using a cropping system model

2013

International audience; Cropping systems change over time to adapt to socio-economical and environmental constraints and to profit from technological innovations. These changes can result in unexpected side-effects which are difficult to determine in fields. The objective of the present study was to use a cropping system model to evaluate the impacts of modified agricultural practices ex ante on weeds. The FLORSYS model quantifies the effect of crop succession, management techniques and climate on multi-specific weed dynamics over the years; it was parameterized with functional relationships predicting model parameters (e.g. pre-emergent seedling mortality) from species traits (e.g. seed ma…

[SDV] Life Sciences [q-bio][SDE] Environmental Sciencesfunctional relationshipmodel[SDV]Life Sciences [q-bio][SDE]Environmental SciencesRLQ-analysis[SDV.BV]Life Sciences [q-bio]/Vegetal Biology[SDV.BV] Life Sciences [q-bio]/Vegetal Biologylife-history traitcropping systemweed
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Le rôle des modèles pour l'évaluation multicritère et la conception multi-objectif de systèmes de culture pour la gestion des adventices

2013

Weeds are both harmful for crop production and important for biodiversity in agricultural landscapes. Moreover, we need to reduce herbicide use to limit environmental impacts. We therefore must design new cropping systems optimising all cultural techniques and reconciling agricultural production on one hand, herbicide reduction and biodiversity on the other hand. The objective of our study was to illustrate how to (1) develop models quantifying the effects of cropping systems on weed dynamics, (2) integrate interactions between weeds and other biotic components, (3) translate weed flora into a series of indicators of the impact on production and biodiversity, (4) use the model for multicrit…

[SDV] Life Sciences [q-bio][ SDV ] Life Sciences [q-bio]flore adventice[SDV]Life Sciences [q-bio]protection intégréemodèlesystème de culturebiodiversité
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How does reduced herbicide use affect biodiversity and crop production?

2014

International audience

[SDV] Life Sciences [q-bio][SDE] Environmental Sciencesfarming context[SDV]Life Sciences [q-bio][SDE]Environmental Sciences[SDV.BV]Life Sciences [q-bio]/Vegetal Biology[SDV.BV] Life Sciences [q-bio]/Vegetal Biologytypologycropping systemsustainabilityComputingMilieux_MISCELLANEOUS
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Compromis biodiversité-nuisibilité des communautés adventices dans les systèmes de culture : développement d’une méthode de diagnostic combinant simu…

2013

EA EcolDur CT1 (vu NC); Le caractère ambivalent des adventices des parcelles cultivées, à la fois bioagresseurs des cultures mais aussi piliers de la biodiversité de l’agroécosystème, doit être pris en compte pour concevoir de nouveaux systèmes de culture plus durables. L’objectif de ce travail de thèse était de développer et tester un outil et une méthode permettant d’évaluer les performances des systèmes de culture pour (i) réduire la nuisibilité des adventices vis-à-vis de la culture et (ii) promouvoir le rôle des adventices pour le maintien de la biodiversité dans l’agroécosystème. Pour cela nous avons mis au point un jeu de 10 indicateurs traduisant les caractéristiques des communautés…

[SDV] Life Sciences [q-bio][SDE] Environmental Sciences[SDV]Life Sciences [q-bio][SDE]Environmental Sciences[SDV.BV]Life Sciences [q-bio]/Vegetal Biology[SDV.BV] Life Sciences [q-bio]/Vegetal Biologythese
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L’intégration d’une luzerne de 3 ans dans la rotation: un atout agronomique, économique et environnemental !

2012

National audience; En 2010, l’INRA et le CNRS ont étudié les pratiques de gestion des adventices en lien avec les systèmes de culture (SdC) dans une zone de grandes cultures des Deux-Sèvres. A partir d’entretiens avec 28agriculteurs, cette étude a permis d’identifier les stratégies agronomiques permettant aux agriculteurs de réduire leur utilisation d’herbicides, voire de s’en passer totalement (AB). La comparaison de la performance de durabilité de ces 28 SdC contrastés en termes de niveau d’usage d’herbicides a également été réalisée. L’intégration d’une prairie temporaire de 3 ans, type luzerne, ressort comme un levier agronomique fort pour réduire l’usage d’herbicides dans la rotation. …

[SDV] Life Sciences [q-bio][SDE] Environmental Sciencesprairie temporaire[SDV]Life Sciences [q-bio][SDE]Environmental Sciences[SDV.BV]Life Sciences [q-bio]/Vegetal Biologyévaluation multicritère[SDV.BV] Life Sciences [q-bio]/Vegetal Biologysystème de culturerotation
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Changing agricultural practices modify the species and trait composition of the weed flora. A simulation study using a cropping system model

2012

International audience

[SDV] Life Sciences [q-bio][SDE] Environmental Sciencesmodel[SDV]Life Sciences [q-bio]history-life trait[SDE]Environmental Sciences[SDV.BV]Life Sciences [q-bio]/Vegetal Biology[SDV.BV] Life Sciences [q-bio]/Vegetal Biologyweed cropping system history-life trait simulation modelcropping systemsimulationComputingMilieux_MISCELLANEOUSweed
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Changing agricultural practices modifies the species and trait composition of the weed flora. A simulation study using a model of cropping system eff…

2012

International audience; Cropping systems change to adapt to socio-economical and environmental constraints (e.g. simplified tillage) and to profit from technological innovations (e.g. genetically-modified crops). These changes can result in unexpected side-effects which are difficult to determine in fields. The objective of the present study was to use a model, FLORSYS, to evaluate such impacts ex ante on weeds. FLORSYS quantifies the effects of crop succession, management techniques and climate on multi-specific weed dynamics over the years; it was parameterized with functional relationships predicting model parameters (e.g. seed mortality) from species traits (e.g. seed coat thickness). C…

[SDV] Life Sciences [q-bio][SDE] Environmental Sciencescropping systems simulation species traits modelmodel[SDV]Life Sciences [q-bio][SDE]Environmental Sciences[SDV.BV]Life Sciences [q-bio]/Vegetal Biology[SDV.BV] Life Sciences [q-bio]/Vegetal Biologycropping systemsimulationspecie trait
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