Results 61 to 70 of about 320,170 (266)

Succès et contraintes dans la mise en oeuvre des programmes/projets de lutte intégrée : quelques leçons de ca sen Afrique de l'Ouest et Centrale [PDF]

open access: yes, 2009
Des programmes et projets de lutte intégrée ont été exécutés dans la plupart des pays en Afrique subsaharienne. Cependant les succès de ces projets sont restés limités au delà de leur mise en oeuvre en raison de nombreuses contraintes.
Bonzi, Marcel   +6 more
core  

From passion to illegality: Understanding succulent consumers' decision to participate in the illegal online wildlife trade

open access: yesPeople and Nature, EarlyView.
Abstract The illegal wildlife trade represents a significant threat to biodiversity. Limited research has examined the illegal trade in succulents, plants characterized by their ability to store water in their leaves, stems or roots. The growing popularity of succulents has contributed to the emergence of illicit consumer practices.
Léanne Vincendon   +2 more
wiley   +1 more source

Mixed‐methods systematic review exploring the associations underpinning active outdoor play with connection to nature and environmental stewardship

open access: yesPeople and Nature, EarlyView.
Abstract Active outdoor play has been positioned in the literature as an opportunity to address concerns over climate (in)action and the rising trend of disconnection from the outdoors and nature. The objective of this systematic review was to examine associations between active outdoor play and people's connection to nature and/or environmental ...
Louise de Lannoy   +10 more
wiley   +1 more source

Mercury speciation in soils of the industrialised Thur River catchment (Alsace, France) [PDF]

open access: yes, 2006
Methylmercury (MeHg) and total Hg (THg) concentrations in soil profiles were monitored in the Thur River basin (Alsace, France), where a chlor-alkali plant has been located in the city of Vieux-Thann since the 1930s.
Probst, Jean-Luc   +2 more
core   +3 more sources

Spatial Variability of Permafrost and Active Layer Thickness in a Forested Hillslope of the Taiga Shield

open access: yesPermafrost and Periglacial Processes, EarlyView.
ABSTRACT Under continued climate warming, understanding present‐day permafrost distribution and the controls on ground thaw are critical for predicting permafrost thaw trajectories and associated implications. This study presents a high‐resolution investigation of permafrost extent and active layer thickness (ALT) across a coniferous forested hillslope
Alana Muenchrath   +2 more
wiley   +1 more source

Proposition of an index of intensity of grass use [PDF]

open access: yes, 2013
A. The widely used concept of intensity of grassland management can be defined according to the fertilization level and defoliation frequency for mown meadows or to the stocking rate for pastures.
Dumont, Bertrand   +4 more
core  

Ethnobotanical insights into the medicinal and food uses of Lamiaceae in the Mediterranean region: A systematic review and meta‐analysis

open access: yesPLANTS, PEOPLE, PLANET, EarlyView.
For generations, Mediterranean communities have used Lamiaceae or Labiatae plants like rosemary, thyme or mint to care for their health and to enrich their food. By bringing together dispersed knowledge from across the Mediterranean region, our review revealed the continuing relevance of Lamiaceae while also compiling past uses that may hold future ...
Fuencisla Cáceres   +3 more
wiley   +1 more source

Echanges thermiques des parois d’un environnement habitable: étude et analyse

open access: yesRevue des Énergies Renouvelables, 2018
Ce modeste travail porte sur l’étude des différents modes de transferts énergétiques entre l’environnement habitable et l’atmosphère. Il s’agit d’échanges d’énergie et de masse qui s’opèrent entre les deux systèmes et qui impliquent donc leur ...
A. Oudrane   +4 more
doaj  

Plaguicidas, impacto en salud y medio ambiente en sinaloa (méxico): implicaciones y retos en gobernanza ambiental

open access: yesTrayectorias Humanas Trascontinentales, 2019
El uso de plaguicidas en el sector agrícola sinaloense es una de las prácticas más comunes en la actividad primaria de la región. La exposición a éstos representa un factor definitivo, a la vez para la salud ambiental y la de la sociedad, en este caso la
Carmen Martínez Valenzuela   +3 more
doaj   +1 more source

Harvesting of two alpine Artemisia: Effects of an amateur practice on wild plant dynamics

open access: yesPLANTS, PEOPLE, PLANET, EarlyView.
Wild plants are consumed all over the world, and knowledge of the effects of harvesting is necessary to ensure the sustainability of this activity. Our 3‐year study of two closely related alpine Artemisia species in the Southern Alps revealed a positive impact of harvesting at the plant scale and on the short term.
Ninon Fontaine   +4 more
wiley   +1 more source

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