The responses of secondary forest tree seedings to soil enrichment in Peninsular Malaysia : an experimental approach

Hashim, Nor Rasidah and M.R. Hughes, Francine (2010) The responses of secondary forest tree seedings to soil enrichment in Peninsular Malaysia : an experimental approach. Tropical Ecology, 51 (2). pp. 173-182. ISSN 0564-3295

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Secondary forests are gaining prominence in tropical landscapes, but in areas adjacent to agricultural land the mix of species found in them is likely to be influenced by high rates of fertilisation and nutrient run-off. We conducted a pot experiment on three secondary forest species, Glochidion obscurum, Lagerstroemia speciosa and Vitex pinnata, to ascertain their response to nutrient addition. We used three treatments, (1) control (no fertilizer addition); (2) addition of 1 g of rock phosphate; and (3) addition of 1 g NPK, and found that G. obscurum and L. speciosa increased their growth when levels of nitrogen, phosphorus and potassium were increased, indicating evolutionary adaptation to use a high resource strategy. However, V. pinnata did not show the same pattern. It is, therefore, possible that on-going fertilization of low-lying secondary forests will produce growing conditions that lead to the reduction of non responsive species such as V. pinnata and favour others, such as G. obscurum and L. speciosa, at least in the early stages of forest succession.

Item Type:Article
Keyword:Glochidion obscurum; Lagerstroemia speciosa; Secondary forests; Soil fertilization; Vitex pinnata
Subject:Trees - Malaysia - Seedlings.
Subject:Forest soils - Fertilization.
Faculty or Institute:Faculty of Environmental Studies
Publisher:International Society for Tropical Ecology
ID Code:17311
Deposited By: Khairil Ridzuan Khahirullah
Deposited On:04 Jan 2012 07:21
Last Modified:04 Jan 2012 07:21

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