The habitat of Acacia auriculiformis and probable factors associated with its distribution

Jovanovic T., . and Pinyopusarerk K., . and Booth T.H., . and Boland D.J., . and McDonald M.W., . The habitat of Acacia auriculiformis and probable factors associated with its distribution. pp. 159-180. ISSN 0128-1283

This paper describes the current distribution of Acacia auriculiformis in Australia (Northern Territory and Queensland) Papua New Guinea and Indonesia. Climatic data for six climatically defined groups within the species distribution are indicated. Details are given of past geological and climatic events that are likely to have been important in moulding the current distribution. The species is fairly primitive and may have evolved on rain forest fringes sympatrically with Acacia aulacocarpa and Acacia crassicarpa. In recent times it is likely to have expanded from monsoon vine forests and gallery rain forests when conditions were favourable. The species is opportunistic and very mobile. Rising sea levels and periods of aridity are probably the major factors determining its current disjunct distribution. Implications for seed collection programmes and for the interpretation of results from biosystematic studies are discussed.

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Abstract

This paper describes the current distribution of Acacia auriculiformis in Australia (Northern Territory and Queensland) Papua New Guinea and Indonesia. Climatic data for six climatically defined groups within the species distribution are indicated. Details are given of past geological and climatic events that are likely to have been important in moulding the current distribution. The species is fairly primitive and may have evolved on rain forest fringes sympatrically with Acacia aulacocarpa and Acacia crassicarpa. In recent times it is likely to have expanded from monsoon vine forests and gallery rain forests when conditions were favourable. The species is opportunistic and very mobile. Rising sea levels and periods of aridity are probably the major factors determining its current disjunct distribution. Implications for seed collection programmes and for the interpretation of results from biosystematic studies are discussed.

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Item Type:	Article
AGROVOC Term:	Acacia auriculiformis
AGROVOC Term:	Tropical rain forests
AGROVOC Term:	Population distribution
AGROVOC Term:	Natural occurrence
AGROVOC Term:	Monsoon climate
AGROVOC Term:	Biogeography
AGROVOC Term:	Alluvial soils
AGROVOC Term:	Sea level
AGROVOC Term:	Plant breeding
Depositing User:	Ms. Suzila Mohamad Kasim
Last Modified:	24 Apr 2025 06:27
URI:	http://webagris.upm.edu.my/id/eprint/22645

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