Effects of selection logging on rainforest productivity
نویسنده
چکیده
An analysis of data from 212 permanent sample plots provided no evidence of any decline in rainforest productivity after three cycles of selection logging in the tropical rainforests of north Queensland. Relative productivity was determined as the difference between observed diameter increments and increments predicted from a diameter increment function which incorporated tree size, stand density and site quality. Analyses of variance and regression analyses revealed no significant decline in productivity after repeated harvesting. There is evidence to support the assertion that if any permanent productivity decline exists, it does not exceed six per cent per harvest.
منابع مشابه
Regeneration changes in tree species abundance , diversity and structure 5 in logged and unlogged subtropical rainforest over a thirty six year 6 period 7
15 The long-term effects of logging treatments on rainforest regeneration are difficult to quantify due to 16 compounding interactions between natural dynamics, site characteristics and tree species. The aim of this 17 study was to compare regeneration differences over a 36-year period in stands subjected to various levels 18 of disturbance ranging from natural, through an increasing intensity ...
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