Results 41 to 50 of about 60,497 (247)

IMPACT DES EFFETS DU CHANGEMENT CLIMATIQUE SUR LA PÊCHE ARTISANALE DANS LES MILIEUX PÉRIURBAINS DE LA VILLE DE GBADOLITE [PDF]

open access: yesZiglôbitha
Résumé : Depuis plus d’une décennie, les activités de pêche artisanale dans les milieux périurbains de la Ville de Gbadolite en République démocratique du Congo sont directement affectées par les effets néfastes du dérèglement climatique.
Philippe GBAGALA NDAGI, Papy LENGEMO DEDUA, Félix FELEMBULU KPADO & Judith DONZO DAKO
doaj   +1 more source

Plant Variety Registration in Transition: Opportunities for Innovation and Reform in The European Union Enregistrement des variétés végétales en transition : opportunités d’innovation et de réforme dans l’Union européenne Die Registrierung von Pflanzensorten im Wandel: Chancen für Innovation und Neugestaltung in der Europäischen Union

open access: yesEuroChoices, EarlyView.
Summary Modernising the European Union’s plant variety registration system is critical to enabling the development and adoption of sustainable, climate‐resilient varieties aligned with the EU Farm‐to‐Fork Strategy. However, the current system is outdated and under increasing pressure. While legislative reform is underway, key points of divergence among
Sergio Urioste Daza   +2 more
wiley   +1 more source

La Méditerranée au futur : des impacts du changement climatique aux enjeux de l'adaptation [PDF]

open access: yes, 2009
Sommaire 1. Introduction 2. Ce que la science du climat nous dit... et ce qu'elle ne nous dit pas 3. Panorama des impacts attendus du changement climatique en Méditerranée 4. L'adaptation au changement climatique : éléments de cadrage 5.
Bille, Raphaël   +4 more
core  

How much biotic nativeness matters across human demographic groups

open access: yesConservation Biology, EarlyView.
Abstract Many central concepts of conservation biology—such as nativeness—are structured by ecological and social factors. However, the social consequences of using these concepts to make conservation decisions remain inadequately understood. Some researchers argue that nativeness, rather than acting as an objective proxy for important ecological ...
Harold N. Eyster, Rachelle K. Gould
wiley   +1 more source

Impacts environnementaux et socioéconomiques des écosystèmes de mangrove dans le parc national du delta du Saloum  [PDF]

open access: yesAkofena
Résumé: La mangrove est un écosystème côtier qui fournit non seulement plusieurs services écosystémiques clés aux communautés riveraines mais également contribue largement aux stockages du carbone dans la biomasse racinaire et aérienne à travers la ...
Amath Alioune COUNDOUL
doaj   +1 more source

Energy use and Green house gas emission in organic agriculture [PDF]

open access: yes, 2008
Reduction of fossil energy use has a two-fold aim namely reducing the dependence of a limited, non-renewable resource and reduction of emissions of green house gasses (GHG).
Halberg, Niels
core  

An integrated approach to balance freshwater connectivity restoration and invasion risk

open access: yesConservation Biology, EarlyView.
Abstract Habitat fragmentation negatively affects many native migratory fish populations. However, this fragmentation can also prevent the spread and establishment of invasive species. We modified the dendritic connectivity index (DCI), a commonly used freshwater connectivity metric, to account for multiple invasive dispersal pathways in estimates of ...
Alex Arkilanian   +3 more
wiley   +1 more source

An updated checklist of Culicoides Latreille, 1809 biting midges from the highlands of eastern Democratic Republic of the Congo Une liste mise à jour des moucherons piqueurs de Culicoides Latreille, 1809 des hautes terres de l'est de la République démocratique du Congo

open access: yesMedical and Veterinary Entomology, EarlyView.
The highlands of eastern Democratic Republic of the Congo (DRC) are home to critically endangered eastern gorillas (Gorilla beringei). Climate change could increase the abundance and distribution of Culicoides‐borne diseases. We utilized morphological and molecular techniques to identify Culicoides spp.
Alisa Kubala   +11 more
wiley   +1 more source

Cold hardiness mechanisms and modeling: existing approaches and future avenues

open access: yesNew Phytologist, EarlyView.
Summary Cold hardiness models are useful tools to predict cold damage in plants, such as those produced by unseasonal temperature cycles or by increased cold exposure. Although development of these models started about five decades ago, their applications remain limited.
Guillaume Charrier   +3 more
wiley   +1 more source

Le changement climatique

open access: yes, 2010
L'irruption de la planete dans notre vision du monde fait voler en eclat cloisons et certitudes tout en imposant sa finitude. Le territoire n'est plus le refuge d'un equilibre local mais il eclate aux dimensions du monde. Et, en meme temps, l'avenir s’impose dans le present qui ne peut plus se construire independamment d’une vision prospective sur ...
Roussel, Isabelle, Scarwell, Helga-Jane
openaire   +4 more sources

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