Simulation of climate change and thinning effects on productivity of Larix olgensis plantations in northeast China using 3-PGmix model

Journal of Environmental Management
Yalin XieXiangdong Lei

Abstract

Understanding the effects of thinning on forest productivity under climate change is vital to adaptive forest management. In the present study, the 3-PGmix model was applied to simulate the thinning effects on productivity of Larix olgensis plantations under climate change using 164 sample plots collected from the 6th, 7th and 8th National Forest Inventories in Jilin Province, northeast China. Climate scenarios of RCP 4.5 and RCP 8.5 were adopted from 2011 to 2100 with corresponding reference years (1981-2010). We simulated four cutting intensities: no-thinning, NT; low intensity thinning with 10% stem removal, LT; moderate thinning with 20% stem removal, MT and heavy thinning with 30% stem removal, HT for three times with 5- and 10-year thinning intervals. The results indicated that the mean net primary productivity (NPP) during the simulated 90 years was increased under RCP 4.5 and RCP 8.5. The LT and MT had positive but HT had negative effects on the mean NPP for the same climate scenario. Increased thinning intensity facilitated the positive effects of climate change on NPP but without a significant interaction effect. During the simulation, LT had the highest NPP value and HT had the biggest NPP increase under future clima...Continue Reading

References

Feb 22, 2014·Ecological Applications : a Publication of the Ecological Society of America·Anthony W D'AmatoBrian J Palik
Oct 16, 2015·Ecological Applications : a Publication of the Ecological Society of America·Ché ElkinHarald Bugmann
Feb 28, 2016·Journal of Environmental Management·Fangjie MaoGuoqing Tu
Oct 19, 2016·Ecological Applications : a Publication of the Ecological Society of America·Julia A SohnJürgen Bauhus
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Apr 8, 2017·Global Change Biology·Carlos A Gonzalez-BeneckeTimothy A Martin
Sep 2, 2017·Forest Ecology and Management·Rupert SeidlWerner Rammer

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Citations

Dec 21, 2020·Journal of Environmental Management·Chunyan WuShougong Zhang

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