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首页> 外文期刊>Land Degradation and Development >Soil characteristics and carbon sequestration potentials of vegetation in degraded hills of Chittagong, Bangladesh.
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Soil characteristics and carbon sequestration potentials of vegetation in degraded hills of Chittagong, Bangladesh.

机译：孟加拉国吉大港退化丘陵区的土壤特征和植被的碳固存潜力。

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摘要

The impacts of tree and horticultural plantations, and grassland on soil characteristics in the degraded hills of Chittagong District, Bangladesh are reported on this paper. The carbon sequestration potential and the present value of carbon revenue flow were also estimated for the degraded hills of Chittagong using A. auriculiformis plantations for the purpose. The results showed that the change of land use from degraded hill to vegetation cover had altered the physico-chemical characteristics of soil in the study area. The organic carbon concentration and storage under vegetated land uses were significantly (p<0.05) higher than those in the degraded hill areas. The results also showed that about 17 million megagram carbon (MgC) could be sequestered in the degraded hill areas of Chittagong District by planting A. auriculiformis trees in a 15-year rotation. The present value of revenue flow generated by this sequestration at the current international market carbon price and assuming a realistic market interest rate could be as high as US$ 326 million. The net present value of the revenue stream is expected to be positive.Digital Object Identifier http://dx.doi.org/10.1002/ldr.1107
机译：本文报道了孟加拉国吉大港地区退化的山丘上的树木，园艺人工林和草地对土壤特性的影响。为此目的，还使用金合欢人工林估算了吉大港退化丘陵的碳固存潜力和碳收入流的现值。结果表明，从退化丘陵到植被的土地利用变化改变了研究区土壤的理化特性。植被土地利用下的有机碳浓度和储存量显着（p <0.05）高于退化山地地区。研究结果还表明，通过在15年的轮作期内种植金合欢树，可以在吉大港地区的退化丘陵地区封存约1700万兆克的碳（MgC）。在当前国际市场碳价下，假设实际市场利率，这种隔离产生的收入流的现值可能高达3.26亿美元。收入流的净现值预计为正。Digital Object Identifier http://dx.doi.org/10.1002/ldr.1107

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