Territory Stories

Land units of the Fish River-Oolloo area, N.T.



Land units of the Fish River-Oolloo area, N.T.


Aldrick, J. M.; Conservation Commission of the Northern Territory. Land Conservation Unit


E-Publications; PublicationNT; E-Books; Technical report, 8/1984




Fish River, Tipperary; Oolloo


Made available via the Publications (Legal Deposit) Act 2004 (NT).


Date:1984; Bibliography: p. 87. "Prepared by the Natural Resources, Land Development, and Environment and Heritage Divisions. Darwin, August 1999 -- t.p.




Soils -- Northern Territory

Publisher name

Land Conservation Unit, Conservation Commission of the Northern Territory

Place of publication

Winnellie (N.T.)


Technical report, 8/1984


x, 104 pages : illustration, maps ; 30 cm.

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Technical Report LRD84008 Viewed at 07:02:01 on 18/02/2010 Page 40 of 107. 5. VEGETATION In his paper in the "Report on the Land Units of the Katherine Douglas Area, N.T. 1970", Robinson describes the vegetation corrunities of the Daly Basin and discllsses the significance of various species as indicators of a variety of edaphic conditions. Although this survey area extends beyond the limits of the Daly Basin geological formations, the vegetation communities encountered remain similar in most respects to those described by Robinson. The vegetation in this survey area was classified according to Walker (in prep.) and although this yields a different set of names for the com munities it has proven easy enough to relate these back to Robinson's original descriptions. The differences which did occur in the vegetation communities in this area are outlined below. Eucalyptus oligantha grows on a greater variety of soils in this area than was observed in the original Daly Basin survey. Robinson describes this species as indicative of structured Red Earths (Tindall soils) whereas in this survey area monospecific stands of E. oligantha were encountered on massive Red Earths, uniform textured loamy Red Earths, friable non-cracking clay and only once on Tindall soil. This is consistent with other workers' observations of E. oligantha throughout its range. Monospecific stands of Eucalyptus latitolia are more common in this area than in other areas of the Daly Basin. It reamins a species indicative of poorly drained soils as indicated by Robinson and also of soils, not so poorly drained, which are subject to inundation for some part of the year. This last edaphic relationship was not commonly observed previously. Other minor differences were also observed. The vegetation generally had a very depauperate appearance which we originally postulated may be due to a lower rainfall regime. However, a very late field trip, in late November, 31

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