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Thu 22 Feb 2007

Reforestation of Singapore forests - two papers by by Ken Shono etal.

Category : research

Do you remember Ken Shono's call for reforestation volunteers in August 2004?

Well, out of all that "sweating and crawling in the bushes" was in aid of research on reforestation in Singapore by staff and volunteers of the Center for Tropical Forest Science – Arnold Arboretum Asia Program. Two have since been published: the first was:

"Regeneration of native plant species in restored forests on degraded lands in Singapore." By Kenichi Shono, Stuart J. Davies & Chua Yen Kheng, 2006. Forest Ecology and Management, Volume 237 (1-3): 574-582. Ecotax link.

The second was just announced along with Chinese New Year greetings!

"Performance of 45 native tree species on degraded lands in Singapore." By Kenichi Shono, Stuart J. Davies & Chua Yen Kheng, 2007. Journal of Tropical Forest Science 19(1): 25­34. Journal webpage (has pdf) - Ecotax link.

Abstract - The performance of 45 native tree species, which encompassed a range of early successional to primary forest species, was evaluated in a reforestation planting trial on degraded lands in Singapore.

Growth data was obtained from 1640 saplings planted between 1999 and 2004 on seven reforestation plots. Survival rates were greater than 90% across most species. Growth rates of planted saplings were significantly affected by species, site and interaction between species and site.

A number of primary forest species performed well in this study. In comparison, many of the secondary forest species had slow to medium growth rates. Of the 45 species tested, 19 had diameter growth exceeding 1 cm year-1 while seven had growth rates below 0.5 cm year-1.

This study showed that many primary forest species can grow well in open conditions of deforested sites. The results also emphasized the importance of site-species matching and the region-specific nature of species performance.

The approach of interplanting fast-growing native species with primary forest species was shown to be a viable forest restoration method. Continued monitoring will reveal more information on the long-term performance of these planted saplings and native forest development in the restored forests.

Ken thanks all those who played a part!

Posted at 8:24AM UTC by N. Sivasothi | permalink | email | Raffles Museum news