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Hybrid growth model to predict height and volume growth in young Eucalyptus globulus plantations
journal contribution
posted on 2023-05-16, 11:58 authored by Battaglia, M, Sands, PJ, Candy, SGA process-base site productivity model (PROMOD) was hybridized with an empirical growth projection model (NITGRO) developed for Eucalyptus nitens plantations. The subsequent hybrid growth model was used to predict the time course Of height and volume growth in 16 plantations of E. globulus located in northern Tasmania, Australia, Growth in these plantations was constrained by temperature, water stress, waterlogging and poor site nutrition. With the help of a few simple, easily obtained site descriptors, PROMOD was used to predict the site index for these sites. This site index was used to run NITGRO. Comparison of predictions with observed height and volume growth indicated that height growth was predicted accurately, but that estimates of volume growth were biased. The bias in the estimates of volume growth may be the result of the application of a growth model developed for E. nitens plantations to E. globulus plantations.
History
Publication title
Forest Ecology and ManagementVolume
120Issue
1-3Pagination
193-201ISSN
0378-1127Department/School
College Office - College of Sciences and EngineeringPublisher
Elsevier Science B.V.Place of publication
Amsterdam, NetherlandsRepository Status
- Restricted