zones humides – -Translation – Keybot Dictionary

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  Aspects économiques des...  
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Restauration des zones humides
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Wetland restoration
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Lorsque la qualité de l'eau le permet, les zones humides qui sont pratiquement asséchées et dont la profondeur en eau n'est que de trois à quatre pieds peuvent servir d'approvisionnement en eau à court terme.
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Where water quality permits, wetlands that are almost dry and have only three or four feet of water may provide a short-term water source. The wetland should be fenced and equipped with a pumping system. Cattle watering directly in the water source can turn these water sources into mud holes almost instantly. It is also easy to lose a valuable animal that becomes mired in the mud. Remote watering can help to preserve water quality and prevent loss of livestock.
  L'agriculture, c'est am...  
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Par exemple, en faisant pousser des arbres, les agriculteurs aident à protéger le sol des vents, contribuent à ajouter de l'oxygène à notre atmosphère et offrent un habitat aux animaux sauvages. Les agriculteurs protègent l'eau en empêchant l'engrais et le bétail d'entrer dans les cours d'eau et les zones humides.
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Farmers care about a healthy environment and do lots of things to help protect our land, air and water. By growing trees, farmers help shelter soil from the wind, add oxygen to our atmosphere, and provide a home for wildlife. Farmers protect the water by keeping fertilizers and livestock out of streams and wetlands.
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Des mares-réservoirs d'infiltration peuvent être creusées temporairement dans les champs où il existe des zones humides permanentes. Si cette zone humide est attribuable à une nappe phréatique à niveau élevé, il peut être possible d'utiliser une pelle rétrocaveuse pour creuser une petite mare-réservoir (environ 30 pi par 30 pi sur 10 pi de profondeur) permettant l'infiltration de l'eau.
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Seepage dugouts may be a temporary fix on fields where there are permanent wet areas. If the wet area is the result of a high water table, it may be possible to have a backhoe excavate a small dugout (approx. 30 feet x 30 feet and 10 feet deep) that will slowly fill by seepage. Prevent livestock from trampling the dugout and contaminating the water by fencing off the dugout and pumping water into a nearby water trough. The water should be tested prior to construction as water quality may be too saline for livestock consumption.
  L'agriculture écologiqu...  
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Le paysage agricole est dynamique et les facteurs économiques incitent à effectuer des changements de couverture terrestre qui peuvent être utiles (conversion de jachères en pâturages) ou nuisibles (conversion de zones humides en terres cultivées) à l'habitat faunique.
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Canada's agricultural landscape is a mosaic of cultivated, natural and semi-natural land that is used by close to 600 species of birds, mammals, reptiles and amphibians. Agricultural landscapes are dynamic, with economic drivers sparking land cover change that can be either beneficial (summerfallow to pasture) or detrimental (wetland to cropland) to wildlife habitat. The loss of natural and semi-natural land cover and the intensification of agricultural operations resulted in a decline in average national habitat capacity on farmland from 1986 to 2006. The significance of this national trend can vary from one region to another depending on whether or not there is a high proportion of natural and semi-natural land covers in the broader landscape. Beneficial management practices such as conserving riparian areas, adopting conservation tillage, managing woodlands and implementing rotational grazing should be encouraged, particularly in agricultural regions that have limited wildlife habitat capacity and in areas where there has been a significant decline in habitat capacity.
  Carbon Accumulation in ...  
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Les écosystèmes des zones humides contiennent d’importants stocks de carbone et sont considérés comme ayant un rôle capital à jouer dans le cycle planétaire du carbone, ce qui pourrait avoir des incidences sur les changements climatiques mondiaux.
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Wetland ecosystems contain large C stocks and are considered to play an important role in global C cycling, thus having potential implications for global climate change. The Sanjiang Plain wetland is the largest freshwater marsh in China and a principle element of the Wetlands of International Importance with three Ramsar wetland sites (Xingkai Lake, Sanjiang, and Honghe) since 2002. Nevertheless, little is known about organic C storage, and no data combining both long-and short-term C accumulation rates have been reported for this region. We used 10 cores collected from previous investigations to determine radiocarbon age and long-term (apparent) rate of C accumulation (LORCA) based on dry bulk density and organic C content; we used five recent cores representing the three main wetland types in Sanjiang Plain to estimate the recent (apparent) rate of C accumulation (RERCA) inferred from 210Pb dating. The LORCA ranged from 5 to 61 g C m-2 yr-1 with an average of 22 ± 5 g C m-2 yr-1 (±SE), and the RERCA ranged from 170 to 384 g C m-2 yr-1 with a mean of 264 ± 45 g C m-2 yr-1 (±SE). The average C flux was 0.05 Tg C yr-1 for herbaceous peatland, 0.02 Tg C yr-1 for humus marsh, and 0.03 Tg C yr-1 for marshy meadow and the total soil C pool in Sanjiang Plain wetlands was estimated to be 0.36 Pg C. Our results are in good agreement with other published relevant data and may be useful for predicting global climate change. The Sanjiang Plain wetlands deserve more attention in wetland protection and restoration of the wetland ecosystem and wise use of wetlands for agricultural development.
  Carbon Accumulation in ...  
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Les écosystèmes des zones humides contiennent d’importants stocks de carbone et sont considérés comme ayant un rôle capital à jouer dans le cycle planétaire du carbone, ce qui pourrait avoir des incidences sur les changements climatiques mondiaux.
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Wetland ecosystems contain large C stocks and are considered to play an important role in global C cycling, thus having potential implications for global climate change. The Sanjiang Plain wetland is the largest freshwater marsh in China and a principle element of the Wetlands of International Importance with three Ramsar wetland sites (Xingkai Lake, Sanjiang, and Honghe) since 2002. Nevertheless, little is known about organic C storage, and no data combining both long-and short-term C accumulation rates have been reported for this region. We used 10 cores collected from previous investigations to determine radiocarbon age and long-term (apparent) rate of C accumulation (LORCA) based on dry bulk density and organic C content; we used five recent cores representing the three main wetland types in Sanjiang Plain to estimate the recent (apparent) rate of C accumulation (RERCA) inferred from 210Pb dating. The LORCA ranged from 5 to 61 g C m-2 yr-1 with an average of 22 ± 5 g C m-2 yr-1 (±SE), and the RERCA ranged from 170 to 384 g C m-2 yr-1 with a mean of 264 ± 45 g C m-2 yr-1 (±SE). The average C flux was 0.05 Tg C yr-1 for herbaceous peatland, 0.02 Tg C yr-1 for humus marsh, and 0.03 Tg C yr-1 for marshy meadow and the total soil C pool in Sanjiang Plain wetlands was estimated to be 0.36 Pg C. Our results are in good agreement with other published relevant data and may be useful for predicting global climate change. The Sanjiang Plain wetlands deserve more attention in wetland protection and restoration of the wetland ecosystem and wise use of wetlands for agricultural development.
  Carbon Accumulation in ...  
Show textShow cached sourceOpen source URL
Les écosystèmes des zones humides contiennent d’importants stocks de carbone et sont considérés comme ayant un rôle capital à jouer dans le cycle planétaire du carbone, ce qui pourrait avoir des incidences sur les changements climatiques mondiaux.
Compare text pagesCompare HTM pagesOpen source URLOpen target URLDefine agr.ca as primary domain
Wetland ecosystems contain large C stocks and are considered to play an important role in global C cycling, thus having potential implications for global climate change. The Sanjiang Plain wetland is the largest freshwater marsh in China and a principle element of the Wetlands of International Importance with three Ramsar wetland sites (Xingkai Lake, Sanjiang, and Honghe) since 2002. Nevertheless, little is known about organic C storage, and no data combining both long-and short-term C accumulation rates have been reported for this region. We used 10 cores collected from previous investigations to determine radiocarbon age and long-term (apparent) rate of C accumulation (LORCA) based on dry bulk density and organic C content; we used five recent cores representing the three main wetland types in Sanjiang Plain to estimate the recent (apparent) rate of C accumulation (RERCA) inferred from 210Pb dating. The LORCA ranged from 5 to 61 g C m-2 yr-1 with an average of 22 ± 5 g C m-2 yr-1 (±SE), and the RERCA ranged from 170 to 384 g C m-2 yr-1 with a mean of 264 ± 45 g C m-2 yr-1 (±SE). The average C flux was 0.05 Tg C yr-1 for herbaceous peatland, 0.02 Tg C yr-1 for humus marsh, and 0.03 Tg C yr-1 for marshy meadow and the total soil C pool in Sanjiang Plain wetlands was estimated to be 0.36 Pg C. Our results are in good agreement with other published relevant data and may be useful for predicting global climate change. The Sanjiang Plain wetlands deserve more attention in wetland protection and restoration of the wetland ecosystem and wise use of wetlands for agricultural development.