科研之友
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摘要
Is the maximum rate of carbon sequestration reported for the CAM-C-3 plant Portulacaria afra (spekboom), viz. 15.4 t CO2 ha(-1) yr(-1), unusual in comparison with other plants with similar physioliogies, or could such rates be expected routinely in restoration with P. afra? Private sector investors in thicket restoration need an answer to this question in order to assess the feasibility of using carbon finance as the main income stream from their investments. A literature review showed that 15.4 t CO2 ha(-1) yr(-1) is not an unusual rate of carbon sequestration for CAM plants in arid and semi-arid environments, which suggests that investors in thicket restoration should not consider this an outlier value. The results also suggest that carbon finance could be used to fund restoration using other CAM plants in degraded xeric thickets in countries such as Argentina, Chile, Mexico, and Madagascar.
- 出版日期2014-9
