A comparison of species growth rates from four moist tropical forest regions using increment-size ordination

Growth rates and typical size are compared for 204 species from permanent sample plots in Brazil, Costa Rica, Guyana and Papua New Guinea. Growth rates were expressed as mean dbh increment, and typical size as 95% point of cumulative diameter distribution (D95). An ordination of species was analysed...

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Bibliographic Details
Published in:	The international forestry review Vol. 4; no. 3; pp. 196 - 205
Main Authors:	Alder, D., Oavika, F., Sanchez, M., Silva, J.N.M., van der Hout, P., Wright, H.L.
Format:	Journal Article
Language:	English
Published:	Commonwealth Forestry Association 01-09-2002 The Commonwealth Forestry Association
Subjects:	Cluster Analysis Forest ecology Forest growth Forest management Growth Models Moist Tropical Forest Mortality Ordination Permanent Sample Plots Species Species Groups Trees Tropical forestry Tropical forests Tropical rain forests
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Summary:	Growth rates and typical size are compared for 204 species from permanent sample plots in Brazil, Costa Rica, Guyana and Papua New Guinea. Growth rates were expressed as mean dbh increment, and typical size as 95% point of cumulative diameter distribution (D95). An ordination of species was analysed by a weighted cluster analysis method to form 16 species groups for the data from the 4 regions. Only trees 20 cm and above were included, and species with 50 or more sample trees. Results are tabulated for mean group increments, mortality rates and D95. Common species in each group and PSP locality are listed and their ecology discussed. Ecology and wood density are consistent between localities in their position on the increment-size graph. Mortality estimated by formula from the increment-size graph correlates with observed mortalities (R2 69.9%), although there is systematic overestimation. The methodology presented may be useful for estimating probable growth rates from forest inventory data where PSP data is lacking, for purposes of simple stand projection. A website (www.myrlin.org) provides worksheets, software and further documentation.
Bibliography:	1465-5489(20020901)4:3L.196;1-
ISSN:	1465-5489 2053-7778
DOI:	10.1505/IFOR.4.3.196.17398