Quantification of termite attack on lying dead wood by a line intersection method in the Kabili-Sepilok Forest Reserve, Sabah, Malaysia

Berge, Lene and Bignell, David E. and Rahman, Homathevi and Burslem, David F. R. P. (2008) Quantification of termite attack on lying dead wood by a line intersection method in the Kabili-Sepilok Forest Reserve, Sabah, Malaysia. Insect Conservation and Diversity , 1 (2). pp. 85-94. ISSN 1752-458X


Official URL: http://dx.doi.org/10.1111/j.1752-4598.2007.00010.x


A line intersection method was used to estimate abundance (technically linear abundance: m1 m−2), biovolume (m3 ha−1) and size class distribution (defined by diameter) of lying dead wood in tropical forest. Additional semi-quantitative protocols assessed decay state (4 classes), termite attack (5 classes) and live termite occupancy (3 classes). Three forest types (kerangas, alluvial and sandstone) were sampled in the Kabili-Sepilok Forest Reserve of Eastern Sabah, using plots of 30 × 30 m. Approximately 50 man-hours were required per site, at a replication of three plots per site and three well-separated sites per forest type. Mean biovolume of lying dead wood exceeded 8 × 103 m3 ha−1 in kerangas (= heath) forest, with lower values in other types. Large items (> 19 cm diameter) were less than 10% of total abundance, but represented the largest biovolume, exceeding (alluvial) or equalling (kerangas) the total biovolumes of smaller categories combined. Most items (not less than 75%) were present as small wood (< 10 cm diameter). Items in the highest decay class had the highest biovolume. Termite attack was greater in the kerangas, where nearly 90% of items showed evidence of consumption, compared with 58% in the alluvial and 40% in the sandstone forests. Over 40% of items in the kerangas contained live termites compared with 25% in the alluvial and 15% in the sandstone. Items in the highest attack class (= almost total internal destruction) represented about one-half of the total biovolume available in the alluvial and kerangas forest types, and about one-third in the sandstone.

Item Type:Article
Uncontrolled Keywords:Comminution, Dead wood, Decay, Line intersection, Live occupancy, Rapid assessment, Termite attack, Termites
Subjects:?? QL461-599.82 ??
Divisions:SCHOOL > Institute for Tropical Biology and Conservation
ID Code:1386
Deposited By:IR Admin
Deposited On:09 Sep 2011 10:36
Last Modified:17 Feb 2015 17:11

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