The land resources of Cobourg Peninsula
by B. Wood and D. Sivertsen
Wood, B.; Sivertsen, D.; Conservation Commission of the Northern Territory
E-Publications; E-Books; PublicationNT
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.
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
Conservation Commission of the Northern Territory
iv, 80,  p. : col. ills. ; 30 cm.
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state in order to maintain its geneti~ diversity should other such commu~ities be destroyed, for example by fire (Anon, 1976). The stand s of Cypress pi ne occurr ing on Cobourg Peninsula are representative of those occurr ing el sewherein the Top End al tho ugh they differ slightly in that they do occur on a different soil than would normally be expected. For these reasons thi s community is deemed to have a high conservation val ue. ~(d) Me7a7euca vir:idiflora Mid-High to Low Woodlands. Unit 8 - 52.9 km2) The flat to gently sloping plains of Mountnorris, b and to a 1 esser extent Wanga~ uland syste~, are charac teristically wet for much of the year, from run-on and/or groundwater seepage and have as their main soil types lateritic and Xellow podzolics with minor occur rences of brown clays. In this environment the vegetation community is usually a Mid-Hig~ to Low Woodland dominated by Me7a 7euca viridiflora. This species may occur in pure stands or jn combination with such species as Me7a7euca acacioides, Grevi77ea pteridiifoJia, Euca7yptus 7ati fo7 i a and Peta7 ostigma(puf~Jecen A very sparse second stratum may exist and. is usually ocomposed of smaller individuals of the upper stratum. Ground cover in these commun ities is normal 1 y dense and consi sts of a wide variety of grasses and sedges the relative.abund ances of which varies greatly from site to site. This community.is sometimes replaced by stands of Euca7yptus ./'a7 ba or E. po7ycarpa, on the deeper soil s occurring in similar terrain types. The botanical diversi~y of this community has not been well studied to date. This po:rticularly applies to the suite of ground cover species, many of which are ephemerals and should be.collected during or immediat ely after the wet season. It is quite possible that Cl. number of prev iousl y undescr ibed spec ies occur here. Apart from. this the community is not of high conserva tion val ue. - 39 CJ..-.....4 ' .
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