Arshad, M. A. & Martin, S. 2002. Identifying critical limits for soil
quality indicators in agro-ecosystems. Agriculture, Ecosystems and
Environment, 88, 153-160.
 Cotching, W. E. & Kidd, D. B. 2010. Soil quality evaluation and the
interaction with land use and soil order in Tasmania, Australia.
Agriculture, Ecosystems and Environment, 137, 358-366.
 Schloter, M., Dilly, O. & Munch, J. C. 2003. Indicators for evaluating
soil quality. Agriculture, Ecosystems and Environment, 98, 255-262.
 Carpenter, S. R., Caraco, N. F., Corell, D. L., Howarth, R. W.,
Sharpley,A. N. & Smith, V. H. 1998. Nonpoint pollution of surface
waters with phosphorus and nitrogen. Ecological Applications, 8, 559-
 Curran-Cournane, F., Vaughan, M., Memon, A. & Fredrickson, C.
2014b.Trade-offs between high class land and development: recent and
future pressures on Auckland’s valuable soil resources. Land Use Policy
 Ajmone-Marsan, F. &Biasioli, M. 2010. Trace elements in soils of urban
areas. Water, Air and Soil Pollution, 213, 121-143.
 UNESA 2013. World Population Prospects: The 2012 Revision. United
Nations Department of Economic and Social Affairs. Available:
 ARC 2010. State of the Auckland Region. Auckland Regional Council
ISBN 978-1-877540-45-5 pg 301.
 Hill, R. B. & Sparling, G. P. 2009. Soil quality monitoring. Chapter 3 in
Land and Soil Monitoring: A guide for SoE and Regional Council
Reporting; New Zealand
 Kim, N. D. & Taylor, M. D. 2009. Trace element monitoring. Chapter 5
in Land and Soil Monitoring: A guide for SoE and Regional Council
Reporting; New Zealand In: Land Monitoring Forum, N. Z. (ed.).
 Olsen, S. R., Cole, C. V., Watanabe, F. S. & Dean, L. A. (eds.) 1954.
Estimation of available phosphorus in soils by extraction with sodium
bicarbonate: United States Department of Agriculture Circular No. 939.
Washington, D.C. USA
 Blakemore, L. C., Searle, P. L. & Daly, B. K. 1987. Methods for
chemical analysis of soils. NZ Soil Bureau Scientific Report 80, Lower
Hutt, DSIR Soil Bureau.
 Keeney, D. R. &Bremner, J. M. 1966. Comparison and evaluation of
laboratory methods of obtaining an index of soil nitrogen availability.
Agronomy Journal, 58, 498-503.
 Silva , Y. J. a. B., Nascimento, C. W. A. &Biondi, C. M. 2014.
Comparison of USEPA digestion methods to heavy metals in soil
samples. Environmental Monitoring and Assessment, 186, 47-53.
 Genstat 2014. Genstat for Windows. Seventeenth Edition. VSN
International Ltd, Oxford.
 Sigmaplot 2014. Version 12.0 for Windows. 'Michigan Avenue,
Chicago, IL, 60611.
 Biasiolia, M., Barberisb, R. & F, A.-M. 2006. The influence of a large
city on some soil properties and metals content. Science of the Total
Environment, 356, 154-164.
 Chen, T. B., Zheng, Y. M., Lei, M., Huang, Z. C., Wu, H. T., Chen, H.,
Fan, K. K., Yu, K., Wu, X. &Tian, Q. Z. 2005. Assessment of heavy metal pollution in surface soils of urban parks in Beijing, China.
Chemosphere, 60, 542-551.
 Curran-Cournane, F., Fraser, S., Hicks, D. L., Houlbrooke, D. J. & Cox,
N. 2013. Changes in soil quality and land use in grazed pasture within
rural Auckland. New Zealand Journal of Agricultural Research, 56, 102-
 Hewitt, A. E. (ed.) 1998. New Zealand Soil Classification: Manaaki
Whenua Press: Lincoln, New Zealand.
 Singleton, P. L. & Addison, B. 1999. Effects of cattle treading on
physical properties of three soils used for dairy farming in the Waikato,
North Island, New Zealand. Australian Journal of Soil Research 37, 891-
 Curran Cournane, F., McDowell, R. W., Littlejohn, R. P. & Condron, L.
M. 2011. Effects of cattle, sheep and deer grazing on soil physical
quality and phosphorus and suspended sediment losses in surface runoff.
Agriculture Ecosystems & Environment, 140, 264-272.
 McDowell, R., Sharpley, A., Brookes, P. &Poulton, P. 2001.
Relationship between soil test phosphorous and phosphorus release to
solution. Soil Science, 166, 137–149.
 Garcia, R., Maiz, I. &Millan, E. 1996. Heavy metal contamination
analysis of road soils and grasses from Gipuzkoa (Spain). Environmental
Technology, 17, 763-770.
 Pouyat, R. V., Yesilonis, I. D., Szlavecz, K., Csuzdi, C., Hornung, E.,
Korso´S, Z., Russell-Anelli, J. & Giorgio, V. 2008. Response of forest
soil properties to urbanization gradients in three metropolitan areas.
Landscape Ecology, 23, 1187-1203.
 Rodrigues, S., Pereira, M. E., Duarte, A. C., Ajmone-Marsan, F.,
Davidson, C. M., Grčman, H., Hossack, I., Hursthouse, A. S., Ljung, K.,
Martini, C., Otabbong, E., Reinoso, R., Ruiz-Cortés, E., Urquhart, G. J.
&Vrščaj, B. 2006. Mercury in urban soils: A comparison of local spatial
variability in six European cities. Science of the Total Environment 368,
 Trammell, T. L. E., Schneid, B. P. &Carreiro, M. M. 2011. Forest soils
adjacent to urban interstates: soil physical and chemical properties,
heavy metals, disturbance legacies, and relationships with woody
vegetation. Urban Ecosystems, 14, 525-552.
 Ward, N., Brooks, E. R., Robert, E. & Boswell, C. R. 1977. Heavy-metal
pollution from automotive emissions and its effect on roadside soils and
pasture species in New Zealand. Environmental Science & Technology,
 Yesilonis, I. D., Pouyat, R. V. &Neerchal, N. K. 2008. Spatial
distribution of metals in soils in Baltimore, Maryland: Role of native
parent material, proximity to major roads, housing age and screening
guidelines. Environmental Pollution 156, 723-731.
 Falahi-Ardakani, A. 1984. Contamination of environment with heavy
metals emitted from automotives. Ecotoxicology and Environmental
Safety, 8, 152-161.
 Councell, T. B., Duckenfield, K. U., Landa, E. R. & Callender, E. 2004.
Tire-wear particles as a source of zinc to the environment.
Environmental Science and Technology, 38, 4206-4214.
 Harrison, R., M, Johnston, W., R, Ralph, J., C & Wilson, S., J 1985. The
budget of lead, copper and cadmium for a major highway. Science of the
Total Environment, 46, 137-145.
 Canty, M. J., Scanlon, A., Collins, D. M., McGrath, G., Clegg, T. A.,
Lane, E., Sheridan, M. K. & More, S. J. 2014. Cadmium and other heavy
metal concentrations in bovine kidneys in the Republic of Ireland.
Science of the Total Environment, 485-486, 223-231.
 Roberts, A. H. C., Longhurst, R. D. & Brown, M. W. 1994. Cadmium
status of soils, plants and grazing animals in New Zealand. New Zealand
Journal of Agricultural Research, 37, 119-129.
 Taylor, M. 1997. Accumulation of cadmium derived from fertilisers in
New Zealand soils. Science of the Total Environment, 208, 123-126.
 Curran-Cournane, F., Khin, J. & Hussain, E. 2014. Soil quality for
horticultural sites in the Auckland region and changes after 18 years.
Auckland Council Technical Report TR2014/023
 Haynes, R. &Tregurtha, R. 1999. Effects of increasing periods under
intensive arable vegetable production on biological, chemical and
physical indices of soil quality. Biological Fertility of Soils, 28, 259-
 Gaw, S., Wilkins, A., Kim, N., Palmer, G. & Robinson, P. 2006. Trace
element and DDT concentrations in horticultural soils from the Tasman,
Waikato and Auckland regions of New Zealand. Science of the Total
Environment, 355, 31-47.
 Cavanagh, J. E. 2013. Determining background soil concentrations of
contaminants for managing land. Prepared for Marlborough District
Council by Landcare Research May 2013. Envirolink Advice Grant
 NZWWA 2003. Guidelines for the safe application of biosolids to land
in New Zealand. New Zealand Water and Wastes Association,
Wellington, New Zealand.
 Curran-Cournane, F., Lear, G., Schwendenmann, L. & Khin, J. 2015.
Heavy metal soil pollution is influenced by the location of green spaces
within urban settings. Soil Research (accepted DOI: 10.1071/SR14324).
 Reganold, J. P. & Palmer, A. S. 1995. Significance of gravimetric versus
volumetric measurements of soil quality under biodynamic,
conventional, and continuous grass management Journal of Soil and
Water Conservation 50, 298-305.
 Edbrooke, S. W. 2006. Geology of the Auckland area. Institute of
Geological Nuclear Sciences Limited 2006. (Vector Data) 1:250000