Rehabilitation of the Gravel Site and Trial Area

Assignment Task

Summary

The Finn Road site is a rehabilitated gravel extraction site or mine which is located between Palmerston and Berry Springs, south of Darwin in the NT, Australia. Topsoil was stripped, and gravel was removed in 2012 and 2013. Rehabilitation treatments were applied to portions of the Finn Road gravel site in August 2013 as part of a CDU, Greening Australia, Extractive Industry Association and NT Government project. Twenty-four large plots were established across the different rehabilitation treatment types and vegetation establishment treatments were applied at the end of January 2014.  Some plots had a broadcast seed mix applied and other plots had seedlings grown in a greenhouse as tubestock, and were planted out with the seedlings.

The plots that were planted with tubestock have had plant survival monitored in September 2014 and annually until 2021.  The tubestock plots, together with plots sown with broadcast seeds and control plots with no treatment, have been used as an educational site for environmental science students and overseas mining restoration officers, among others.  The data you have is based on the unmined vegetation surrounding the site, plus either the old stockpiled topsoil treatment are the three locations where the plots are on Figure 4) or the untreated bare gravel base.

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