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Abundance and diversity of termites (Isoptera) in imburnt versus burnt vegetation at the Barrens in Mediterranean Western Australia
Authors:M ABENSPERG-TRAUN  A V MILEWSKI
Abstract:Abstract Two years after an intense fire burnt large parts of the Barrens in Mediterranean Western Australia, its effects on wood-eating and litter-harvesting termites were investigated. Nine vegetation types varying in height, structure and floristics, were used for paired unburnt/burnt comparisons. Wood-eating termites were significantly less abundant and diverse in burnt stands, apparently by perishing in the fire rather than through food limitation. The harvester Tumulitermes westraliensis was not significantly affected by fire. Strategies enhancing persistence despite intense fire were construction of hard, protective clay mounds (Coptotermes frenchi, Amitermes obeuntis, T. westraliensis) and flexibility to site nests in diverse microhabitats, including the mounds of other termite species (Heterotermes).
Keywords:abundance  diversity  fire  Mediterranean climate  persistence  termites
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