Effect of forest fire on the survival of Ectomycorrhizal fungi on dipterocarps
2003
Tata, M. H. L. | Hadi, S. | Kusmana, C. | Achmad
A study was conducted to determine the impact of fire in 1997/1998 on the survival of ectomycorrhiza fungi in dipterocarp forest. The assessment was carried out two years after the fire in East Kalimantan by observing, 1) the fruiting bodies developing on the forest floor of fungi suspected to form ectomycorrhiza on the roots of dipterocarps, and 2) the ability of the fungi surviving in the soil to form ectomycorrhiza on the roots of Shorea pinanga and S stenoptem. Observations were conducted on six permanent sample plots that represented the unburnt and burnt sites. Three sample plots were laid out in the unburnt and the three others in the burnt forests. On the unburnt site there were 90 tree species and Syzgium spp., Shorea ovalis and Madhuca kingiana were the most common species. Within the burnt area there were 9 tree species, belonging to 7 families; Cotylelobium melanoxylum, Shorea laevis and Strombosia sp. were the most common species. No fruiting bodies of ectomycorrhizal fungi were encountered on the forest floor two years after the fire. Fruiting bodies were present only on the unburnt site. However, the species of fungi, forming ectomycorrhizae on Shorea pinanga and on S. stenoptera, that survived in the soil of the burnt forest, were different from those that survived in the soil of the unburnt forest.
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