Results 31 to 40 of about 60,208 (229)

Tree‐ring structure determines the temporal coordination between xylem growth and the gain in hydraulic conductivity in the outermost ring

open access: yesNew Phytologist, EarlyView.
Summary The study of seasonal xylem hydraulics has predominantly focused on embolism‐induced losses, whereas growth‐driven increases in hydraulic capacity have received little attention. We assessed the intra‐annual dynamics of xylem formation and gain of conductivity in the current‐year ring of three species with contrasting tree‐ring structure ...
Laura Fernández‐de‐Uña   +4 more
wiley   +1 more source

Variability factors in trace elements nutritional status by plasmatic indicators in camel (Camelus dromedarius) in Morocco. II. Effect of mineral supplement [PDF]

open access: yes, 1995
Quatre lots de 5 dromadaires ont reéu respectivement une injection unique de cuivre et de zinc (lot lM), une complémentation orale pendant un mois de sulfate de cuivre (lot Cu), de sulfate de zinc (lot Zn) et aucune complémentation (lot T).
Bengoumi, D.   +3 more
core  

Traçage minéralogique de l’origine des sédiments aux confluents de cours d’eau [PDF]

open access: yes, 1994
Traçage minéralogique de l'origine des sédiments aux confluents de cours d'eau. La dynamique sédimentaire des confluents de cours d'eau peut s'étudier par l'intermédiaire de traceurs marquant l'origine des particules.
Chaumont, Diane   +2 more
core   +1 more source

Under the Shade of a Coolabah Tree: A Second Cache of Tulas From the Boulia District, Western Queensland

open access: yesArchaeology in Oceania, Volume 61, Issue 1, Page 39-54, April 2026.
ABSTRACT This paper reports on the excavation of a cache of stone artefacts, buried on the bank of a waterhole or ‘billabong’ in central western Queensland. This is an extremely rare find, and yet it is the second such site to be reported within less than a 10 km radius.
Yinika L. Perston   +5 more
wiley   +1 more source

L'évaluation environnementale du bois en rivière par les gestionnaires des cours d'eau français [PDF]

open access: yes, 2006
National audienceFour manager groups were surveyed by means of a photo-questionnaire in order to evaluate their perception of riverscapes with and without in-channel wood.
Le Lay, Yves-François
core   +4 more sources

Le retour de la villégiature élitiste au Québec : Essai sur la marchandisation de l'accès à la nature

open access: yesCanadian Geographies / Géographies canadiennes, Volume 70, Issue 2, Summer / été 2026.
Résumé Cet article présente la première étude contemporaine de l'évolution de la villégiature sur les terres privées et publiques du Québec. Notre analyse révèle une importante diminution du nombre de chalets et rend compte des mutations géographiques considérables qu'a connues la villégiature résidentielle depuis 1980.
Sébastien Rioux
wiley   +1 more source

Review of the French Agency for Food, Environmental and Occupational Health & Safety (ANSES) on Ten years of phytopharmacovigilance in France: Review of the only organisation of its kind in Europe for post‐MA vigilance of plant protection products

open access: yesFood Risk Assess Europe, Volume 4, Issue 1, January 2026.
Abstract Phytopharmacovigilance consists in identifying signals of adverse effects on human, animal and plant populations and the environment associated with the use of plant protection products, and reporting them to the various bodies responsible for assessing and managing risks.
Ohri Yamada   +4 more
wiley   +1 more source

Environmental disclosures and ESG fund ownership

open access: yesContemporary Accounting Research, Volume 42, Issue 4, Page 2458-2493, Winter 2025.
Abstract In this study, we examine whether environmental, social, and governance (ESG) funds' investment decisions are sensitive to the existence and extent of firms' voluntary environmental disclosures. We create our measures of voluntary environmental disclosure using bigrams extracted from the Global Reporting Initiative standards. We provide robust
Scott A. Robinson   +3 more
wiley   +1 more source

Caractérisation de la dynamique des lits fluviaux par la cartographie des morphologies fluviales: Amont du barrage Bin El Ouidane (Haut Atlas Central, Maroc)

open access: yesRevue Marocaine des Sciences Agronomiques et Vétérinaires, 2019
L'étude de la dynamique fluviale vise à déterminer le rôle morphogénique des eaux de l'oued El Abid, la morphologie de sa plaine alluviale et la mobilité spatio-temporelle de son cours.
Hassan OUAKHIR   +2 more
doaj  

Variations écologiques et chorologiques de la végétation macrophytique des rivières acides du Massif armoricain et des Vosges du Nord (France) [PDF]

open access: yes, 1990
La végétation macrophytique des rivières acides d'Europe occidentale présente une grande unité, marquée par la constance d'un ensemble floristique de base, dont certaines espèces (Callitriche hamulata, Myriophyllum alterniflorum, Potamogeton ...
Haury, J., Muller, S.
core   +1 more source

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