Results 31 to 40 of about 3,366 (202)
Abstract To expose the pollution of marshes and swamps, whether by hydrocarbons or other contaminants, the French or Francophone author of the twentieth century must first confront a literary tradition that equates stagnant water with a volatile poison and, more broadly, wetlands with toxic environments. In his article “Wetland Gloom and Wetland Glory,”
François Sagot
wiley +1 more source
Concepte de Modèle Ecologique pour la Zone Humide Alaotra
The wet zone Alaotra consists of the largest lake of Madagascar with about 20,000 ha of open-water and up to 23,000 ha of marshes. This wet zone is unique by the presence of an endemic fauna, and its marshes consist of a monospecific vegetation.
Ranarijaona, Hery Lisy T.
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Connaître la distribution des espèces vectrices de zoonoses est fondamentale pour comprendre les dynamiques épidémiologiques et caractériser les zones à risque.
Christophe Révillion +8 more
doaj +1 more source
Les pollutions diffuses engendrées par l'intensification des pratiques agricoles entrainent des dérèglements au sein des écosystèmes terrestres et aquatiques. Cet article s'inscrit dans le cadre du projet PSDR Brie'Eau (2016-2020) visant à mutualiser les
G. LETOURNEL +4 more
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We assessed Cyperaceae species composition, richness and endemicity across closed (forest), dry open (dry grasslands, rocky outcrops, bare dry soils), and wet open (marshes, swamps, wet grasslands, riparian areas) habitats in Isalo National Park and the Itremo Massif Protected Area, both in Madagascar's Central Highlands.
Fitiavana Rasaminirina +6 more
wiley +1 more source
Zones humides : l’évolution du cadre juridique
Le traitement, l'exploitation et la préservation des zones humides sont encadrés par la loi depuis la fin du XVIe siècle. Si elles ont bénéficié dans un premier temps d'outils juridiques applicables à tous types de milieux, de nouveaux outils qui leurs sont spécifiques se développent peu à peu, notamment pour leur protection.
openaire +5 more sources
From rhetoric to measurement: The economics of wetland conservation
Abstract Wetland conservation continues to be a pressing issue as wetlands continue to be lost due to urban, industrial, and agricultural expansion. This paper synthesizes the current knowledge about wetland conservation economics in Canada, with a focus on prairie landscapes. We review the methods economists use to empirically measure the costs (i.e.,
Patrick Lloyd‐Smith +2 more
wiley +1 more source
Public willingness to pay for wetland restoration in the Canadian Prairie Pothole Region
Abstract Wetlands play a crucial role in the agricultural landscapes of Canada's Prairie Pothole Region (PPR) but are being lost to agricultural and urban development. There is increased interest from governments and conservation organizations in restoring previously drained wetlands, but these projects are costly and associated with intangible ...
Liam Boldt +3 more
wiley +1 more source
S. Daveau, O. Ribeiro. — La zone intertropicale humide
Robert Jean. S. Daveau, O. Ribeiro. — La zone intertropicale humide. In: Norois, n°83, Juillet-Septembre 1974. pp.
Robert, Jean
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La délimitation des zones humides est un enjeu majeur pour la protection de ces écosystèmes. La démarche réglementaire décrite dans la circulaire du 18 janvier 2010 relative à la délimitation des zones humides présente des imprécisions, et son ...
Gwenhael PERRIN +5 more
doaj +1 more source

