Territory Stories

The land resources of Cobourg Peninsula



The land resources of Cobourg Peninsula

Other title

by B. Wood and D. Sivertsen


Wood, B.; Sivertsen, D.; Conservation Commission of the Northern Territory


E-Publications; E-Books; PublicationNT




Cobourg Peninsula


Made available via the Publications (Legal Deposit) Act 2004 (NT).; This report describes a land system survey over the Cobourg Peninsula broadly describing landform, soils and vegetation to assist the effective planning and management of the area as a National Park.



Table of contents

1. Introduction -- 2. Summary Descriptions -- 3. Land Systems -- 4. Soils -- 5. Vegetation -- Appendices -- Acknowledgements.




Land use -- Northern Territory -- Cobourg Peninsula; Vegetation mapping -- Northern Territory -- Cobourg Peninsula

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Conservation Commission of the Northern Territory

Place of publication



iv, 80, [6] p. : col. ills. ; 30 cm.

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http://www.ntlis.nt.gov.au/metadata/export_data?type=html&metadata_id=2DBCB77120E006B6E040CD9B0F274EFE; http://www.ntlis.nt.gov.au/metadata/export_data?type=html&metadata_id=2DBCB77120E006B6E040CD9B0F274EFE [NTLIS Metadata Tool]

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stratum is formed by Acacia mimula and, to a lesser extent, Grevi77ea pteridiifo7ia shrubs a~d _trees about eight meters 0 tall with a den se canopy (i.e. a Mid-High Open Forest). The third stratuom consists of a very sparse layer of annual Sorghum sp. The conservation val ue of this community is un clear, it contains no known rare or endangered species and is not particularlyo representative qf other commun ities on the Peninsul a. Added to this, it is not un usual to find Acacia mimu7a or .Grevi77ea pteridiifolia as second stratum spec ies in Top End eucal ypt forests; what is unusual is to find them forming such a dense second stratum over such a relatively large area, approximately 130 hectares. Cal 7 ttris intratropica o Tall. Open Forest and Tall Wood land. (Map U!1it 7 - 6.3 km2) Generally a Tall Woodland, thi~ community also conta ins areas of Tall Open Forest. The dominant spec iesin the tallest stratum is Ca77 itris intra tropica (northern Cypress pine) which occurs in mono specific s_tands or in association }'lith Eucalyptus jen-: senii an"d, to a lesse!, extent E. tetrodonta and E. b7eeseri. The shrub layeri~ sparse to very sparse and has a high species diversity, the most fr~quently occu rri0g species being Memecylon paucif7orum, Alyxia spic-: ata, Cal ytrix exti pu7 ata and Co...chlospermum fraseri. The ground cover is very va~iable, a reflection of the somewhat broken upper canopy, and is. composed mai~ly of grasses wi th Schi zachyrium fragi7 e, Panicum 5,p. and Chrysopogon fa77axbeing the most common species. This community tends to occur in di?crete pockets, fifteen to one hundred hectares in area, on the ridges and upper slopes of Irgul ~nd the low erosional rises of Mountnorris land systems. The assocjated soils are moderately deep to deep yellow podzol ics. The northern Cypress pine has proven commercial value, it is therefore desirable that representative stands of the species be conserved in their natural - 38

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