Translator Disclaimer
1 September 2000 Tropical Forests Can Suffer from a Serious Deficiency of Calcium after Logging
Author Affiliations +
Abstract

All harvesting of biomass results in a loss of plant nutrients from the soil. The impact of this loss on forest productivity can be determined only if the total amounts of plant nutrients in logs, other biomass and soil are known. In investigations of tropical rainforest ecosystems the total analysis of calcium is common with regard to logs and other biomass, whereas for soils only the content of exchangeable calcium has been determined. This study, involving a calcium-poor bedrock area in Sabah, Malaysia, shows that the contents of total calcium in the soil can be estimated from figures of exchangeable calcium. In the state of Sabah, these estimated amounts were lower in 19 out of 115 soil profiles compared with the amount measured at our research area at Mendolong in Sabah where a sustainable forestry is not possible with the present rotation period without compensating for the harvest-related loss of calcium.

Nils Nykvist "Tropical Forests Can Suffer from a Serious Deficiency of Calcium after Logging," AMBIO: A Journal of the Human Environment 29(6), (1 September 2000). https://doi.org/10.1579/0044-7447-29.6.310
Received: 27 August 1998; Accepted: 1 February 2000; Published: 1 September 2000
JOURNAL ARTICLE
4 PAGES

This article is only available to subscribers.
It is not available for individual sale.
+ SAVE TO MY LIBRARY

SHARE
ARTICLE IMPACT
RIGHTS & PERMISSIONS
Get copyright permission
Back to Top