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http://wwwsoc.nii.ac.jp/jsme2/ doi:10.1264/jsme2.23.000 Microbes Environ. Vol. 23, No. 1, 000000, 2008

Summary: http://wwwsoc.nii.ac.jp/jsme2/ doi:10.1264/jsme2.23.000
Microbes Environ. Vol. 23, No. 1, 000000, 2008
Setting the Tempo in Land Remediation: Short-Term and Long-Term
Patterns in Biodiversity Recovery
Department of Biology, Dalhousie University, 1355 Oxford St. Halifax, NS. B3H 4J1 Canada
(Received January 10, 2008--Accepted January 30, 2008)
Land to be remediated, such as those affected by heavy metals or organic pollutants, can be remediated using biolog-
ical approaches. These include, quarries and strip mines, or land impacted by oil pollution or other organic pollutants.
Phytoremediation is usually a key component of bioremediation. However, without restoring soil organic matter, the
soil biodiversity takes decades to recover. The soil organisms are a key component of soil function, and support plant
growth. In addition, the soil microbiology is essential both for bioremediation and supporting phytoremediation. Using
sources of excellent organic matter, it should be possible to accelerate recovery of ecosystem health and biodiversity.
One potential source of untapped organic matter is municipal solid waste as a composted amendment. The organic
matter amendment promotes soil structure and the creation of adequate habitat and substrate for the soil decomposition
food web. Long-term chronosequence studies indicate that soil food webs tend to make a transition after about 20 years
to a stable community structure. This approach could be used to gain carbon credits by restoring degraded or polluted


Source: Adl, Sina - Department of Biology, Dalhousie University


Collections: Environmental Sciences and Ecology