Territory Stories

Report on the Land Units of the Coastal Plains



Report on the Land Units of the Coastal Plains

Other title

Soils of the coastal plains, Northern Territory, Australia.


Land Conservation Section


E-Publications; E-Books; PublicationNT




Coastal Plains of the Northern Territory.; Soils report


These reports describes the land resource mapping over the Northern Territory coastal plains region. The surveyed area was mapped at a scale of 1:50,000. The mapped land units are described using the dominate soils, topography and vegetation. The potential land use and limitations for each land unit are also briefly described.


There are three different reports attached to this record: Report on the land units of the coastal plains / K.J.Day; Soils of the coastal plains, Northern Territory, Australia / A.D.L. Hooper; and Soils report (coastal plains survey 1968,69,70 / K.J. Day




Coastal ecology - Northern Territory; Land Unit mapping; Coastal Plains

Publisher name

Animal Industry and Agriculture Branch, Northern Territory Administration

Place of publication

Darwin, N. T.


3 volumes, various pagings.

File type




Copyright owner

Animal Industry and Agriculture Branch, Northern Territory Administration



Parent handle


Citation address


Related items

https://hdl.handle.net/10070/506884; https://hdl.handle.net/10070/506885

Page content

9. deeper in the E layers with a more complex arrangement% Er layers are present but gypsum does not occur in a precipitated form although overall salt contents are similar to the Cairncurry series. The F layer is common to both and tends to dominate the characteristics of the layers in this environment. The mode of formation of this layer is the same as that described in the Carmor L phase soils and comparable layers are at present being formed in the paperbark swamps of the Pinwinkle land system nearby. In these present surface F layers gypsum is often found in high amounts and the soils dry out to an extremely acid reaction. CONCLUSION Apart from the Carmor L phase soils which represent an intermediate stage the two environments present well defined distinguishing characteristics. The sequence of layers, related soil series and phases and the correlation with the environment provides a framework for soil classification which applies to an immense area of coastal plains at present little known. Conditions of environment during deposition have not altered and the plains show a recent history of steady aggradation in which drainage characteristics are largely inherited. Within this framework, however, the critical factors limiting the yields of rice are not yet understood and are the subject of continuing research. Salinities over O.l% are common in surface layers but the contrasting proportion of chloride contents and dominance of gypsum and lime in each environment suggest that two approaches to salinity problems will be necessary. Similarly drainage problems acute in both environments may require separate techniques to utilize more

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