Indicative Forest Sequestration Tables
Recommendations and Conclusions
Users of these carbon yield tables should be aware that they represent specified productivity and stocking values. Site productivity and silvicultural regimes, and hence carbon stocks for different sites will vary significantly from the carbon yield tables produced for this report.
Many of the input variables that have been used for the calculation of these tables will vary locally and for specific stands, especially silvicultural management, number of rotations, and site productivity information. The use of more specific site and management data will produce different results from the calculated yield tables. Once such data are available (e.g. because of a reporting requirement from the landowner) site and management specific yield tables could be produced that would better reflect the actual carbon sequestration following afforestation.
Modelled yields have been adjusted in relation to the average actual harvested volume for Radiata pine reported in the 2006 NEFD report, because modelling represents ideal conditions, in both net stocked area and implementation of silvicultural prescriptions. A single scaling factor was applied to all species as there is insufficient data on the actual clearfell yields for species other than Radiata pine. The tables do not purport to be an accurate estimate for any specific forest, nor an estimate of average carbon stocks by species/age within a region.
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