Results 41 to 50 of about 81,873 (153)
Abstract The European Food Safety Authority (EFSA) was mandated by the European Union (EU) to perform a group pest categorization of exotic Scolytinae (Coleoptera: Curculionidae) whose establishment in the EU territory would present a significant risk in terms of plant health.
Pascal Rousse +4 more
wiley +1 more source
Land use, rangeland degradation and ecological changes in the southern Kalahari, Botswana
Abstract Dual‐scale analyses assessing farm‐scale patterns of ecological change and landscape‐scale patterns of change in vegetation cover and animal distribution are presented from ecological transect studies away from waterpoints, regional remotely sensed analysis of vegetation cover and animal numbers across the southern Kalahari, Botswana.
Andrew J. Dougill +7 more
wiley +1 more source
Abstract Several species of Lepidoptera with caterpillars bearing urticating hairs are increasing their range in metropolitan France from year to year, such as the pine processionary (Thaumetopoea pityocampa Denis et Schiffermüller 1775) whose presence was historically limited to the south of France, and which is gradually being observed in the north ...
Nicolas Desneux +105 more
wiley +1 more source
Retour d'expérience - Éco-pâturage caprin de la renouée du Japon sur zone humide en Mayenne [PDF]
De 2011 à 2014, des expérimentations d’éco-pâturage caprin (Chèvre des fossés) ont été menées dans une zone humide de Mayenne dans le but de contrôler des herbiers de renouées du Japon.
BOZEC, Michel +3 more
doaj
Enhancing invasive alien plant eradication outcomes: Lessons learned from South Africa
Abstract Several attempts to eradicate invasive alien species have been initiated in South Africa and despite no formal eradication declaration, several species have been brought down to low levels or are now absent from the country. Based on an expert workshop with South African implementing agencies on best nationwide eradication practices, we ...
Mlungele M. Nsikani, Sjirk Geerts
wiley +1 more source
In this study, we developed a standardised method for quantifying invasion degree among three vegetation strata (herbaceous, shrub and tree) in two contrasted habitats of Reunion Island: lowland tropical forest and subalpine vegetation. This rapid survey is based on four metrics: alien and native species cover, alien species richness, occurrence ...
Pauline Fenouillas +5 more
wiley +1 more source
L’analyse cartographique des colonisations végétales, un outil précieux et indispensable pour la gestion [PDF]
La prévention par la détection précoce des renouées ou les interventions sur les débuts de colonisation sont des opérations à privilégier pour limiter les coûts de leur gestion et pouvoir encore agir sur le terrain.
BOYER, Mireille, BOYER, Mireille
doaj
ADN « environnemental » : un saut méthodologique pour les inventaires de la biodiversité
Les organismes vivants laissent des fragments d'ADN dans leur environnement. Les outils de la biologie moléculaire permettent d'amplifier des fragments d'ADN spécifiques.
C. MIAUD, P. TABERLET, T. DEJEAN
doaj +1 more source
Les flux d'espèces favorisés par les échanges mondiaux croissants sont la source d'invasions biologiques causant des dommages environnementaux et économiques qui ne peuvent plus être négligés.
A. DUTARTRE, E. MAZAUBERT
doaj +1 more source
Les Coréens, les Chinois, les Japonais, les Siamois – Par Eça de Queirós [PDF]
Neste artigo, aborda-se a complexa e sofisticada construção da imagem do estrangeiro asiático - coreano, chinês, japonês - em textos de cariz jornalísticos de Eça de ...
Vilela, Ana Luísa
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