i.Arifin, A., Karam, D.S., Shamshuddin, J., Majid, N.M.,
Radziah, O., Hazandy, A. H., and Zahari, I. (2012):
“Proposing a suitable soil quality index for natural,
secondary and rehabilitated tropical forests in Malaysia'',
African Journal of Biotechnology Vol. 11(14), 16 Feb, 2012.
pp. 3297-3309.
ii.Belnap, J., Prasse, R. and Harper, K.T. (2001): “Influence
of biological soil crusts on soil environments and vascular
plants'', Ecological Studies'', Vol. 150, 2001, pp. 281-300.
iii.Lerner & K. Lee Lerner (2009), Environmental Science:
In Context, Volumes 1 & 2, Gale Cen gage learning, New
York.
iv.Dorana, John W. and Zeiss, Michael R. (2000): “Soil
health and sustainability: managing the biotic component of
soil quality, Applied Soil Ecology 15 (2000), pp. 3-11.
v.Georgios, Papastergios. Anestis, Filippidis, Jose, L. F.T.,
Domingo, Gimeno and Constantinos, Sikalidis (2011):
“Surface soil geochemistry for environmental assessment in
Kavala area, northern Greece'', Water Air Soil Pollution
(2011) 216, pp. 141-152.
vi.Glab, T. and Kopec, S. (2009): “Effect of soil compaction
on root system morphology and yields of Meadow Fescue
(Festuca Pratensis)'', Polish Journal of Environment Studies,
Vol. 18, No. 2, 2009, pp. 219-225.
vii.Islam, K.R. and Weil, R.R. (2000): “Land use effects on
soil quality in a tropical forest ecosystem of Bangladesh'',
Agriculture, Ecosystems and Environment 79, (2000), pp. 9-
16.
viii.Sotres, Gil. F.Trasar-Cepedab, C., Leirosa, M.C. and
Seoane, S. (2005): “Different approaches to evaluating soil
quality using biochemical properties'', Soil Biology and
Biochemistry 37 (2005), pp. 877-887.
ix.Vienna, Austria (2011): “Impact of soil conservation
measures on erosion control and soil quality'', International
Atomic Energy Agency, Oct. 2011, pp.1-327.
x.Horton, R.E. (1945) Erosional developments of streams
and their drainage basin: hydro physical approach to
quantitative morphology.Geological Society of America,
Bulletin Vol.56, pp. 275-370.
Thank you for copying data from http://www.arastirmax.com