1. Thuring C. & Grant G., 2016. The biodiversity of temperate extensive green roofs: a review of research and practice. Israel Journal of Ecology & Evolution. 62 (1–2) pp.44–57.
2. Madre F., Vergnes A., Machon N. & Clergeau P., 2013. A comparison of 3 types of green roofs as habitats for arthropods. Ecological Engineering. 57 pp.109–117.
3. Williams N.S.G., Lundholm J., MacIvor J.S. & Fuller R., 2014. Do green roofs help urban biodiversity conservation? Journal of Applied Ecology. 51 (6) pp.1643–1649.
4. Razzaghmanesh M., Beecham S. & Salemi T., 2016. The role of green roofs in mitigating urban heat island effects in the metropolitan area of Adelaide, South Australia. Urban Forestry & Urban Greening. 15 pp.89–102.
5. Sharma A., Conry P., Fernando H.J.S., Hamlet H.J.F., Hellmann J.J. & Chen F., 2016. Green and cool roofs to mitigate urban heat island effects in the Chicago metropolitan area: evaluation with a regional climate model. Environmental Research Letters. 11 (6).
6. Yang J., Yu Q. & Gong P., 2008. Quantifying air pollution removal by green roofs in Chicago. Atmospheric Environment. 42 (31) pp.7266–7273.
7. Rowe D., 2011. Green roofs as a mean of pollution abatement. Environmental Pollution. 159 (8) pp.2100–2110.
8. VanWoert N.D., Rowe D.B., Andresen J.A., Rugh C.L., Fernandez R.T. & Xiao L., 2005. Green roof storm water retention: effects of roof surface, slope and media depth. Journal of Environmental Quality. 34 (3) pp.1036–1044. 15888889
9. Getter K.L., Rowe D.B. & Andresen J.A., 2007. Quantifying the effect of slope on extensive green roof storm water retention. Ecological Engineering. 31 (4) pp.225–231.
10. Wong G.K.L. & Jim C.Y., 2015. Identifying key meteorological factors of green roof storm water retention to inform design and planning. Landscape & Urban Planning. 143 pp.173–182.
11. Masseroni D. & Cislaghi A., 2016. Green roof benefits for reducing flood risk at the catchment scale. Environmental Earth Sciences. 75 (7) doi: 10.1007/s12665-016-5377-z
12. Berardi U, 2016. The outdoor microclimate benefits and energy saving resulting from green roof retrofits. Energy & Buildings. 121 pp.217–229.
13. Gargari C., Bibbiani C., Fantozzi F. & Campiotti C.A., 2016. Simulation of the thermal behaviour of a building retrofitted with a green roof: optimisation of energy efficiency with reference to Italian climactic zones. Agriculture & Agricultural Science Procedia. 8 pp.628–636.
14. Emilsson T., 2008. Vegetation development on extensive vegetated green roofs: Influence of substrate composition, establishment method and species mix. Ecological Engineering. 33 (3–4) pp.265–277.
15. Gabrych M., Kotze D.J. & Lehvavirta S., 2016. Substrate depth and roof age strongly affect plant abundances on sedum moss and meadow green roofs in Helsinki, Finland. Ecological Engineering. 86 pp.95–104.
16. Bates A.J., Sadler J.P. & Mackay R., 2013. Vegetation development over four years on two green roofs in the UK. Urban Forestry & Urban Greening. 12 (1) pp.98–108.
17. Morgan S., Celik S. & Retzlaff W., 2013. Green roof storm water runoff quantity and quality. Journal of Environmental Engineering. 139 (4) pp.471–178.
18. Chen Y-L, Li T. & Gu J-Q., 2014. Influence of the substrate composition in extensive green roof on the effluent quality. Huanjing kexue. 35 (11) pp.4157–4168. 25639089
19. Heim A. & Lundholm J., 2014. The effects of substrate depth heterogeneity on plant species coexistence on an extensive green roof. Ecological Engineering. 68 pp.184–188.
20. Brown C. & Lundholm J., 2015. Microclimate and substrate depth influence green roof plant community dynamics. Landscape & Urban Planning. 143 pp.134–142.
21. Buffam I., Mitchell M.E. & Durtsche R.D., 2016. Environmental drivers of seasonal variation in green roof runoff water quality. Ecological Engineering. 91 pp.506–514.
22. Zhang W., Zhong X. & Che W., 2018. Nutrient leaching from extensive green roofs with different substrate compositions: a laboratory study. Water Science & Technology. 77 (4) pp.1007–1014.
23. Scott A.D., Eaton R.J., Foote J.A., Vierra B., Boutton T.W., Blank G.B. et al., 2014. Soil ecosystem services in loblolly pine plantations 15 years after harvest, compaction and vegetation control. Soil Science Society of America Journal. 78 (6) pp.2032–2040.
24. van Groenigen J.W., van Kessel C., Hungate B.A., Oenema O., Powlson D.S. & van Groenigen K.J., 2017. Sequestering soil organic carbon. Environmental Science & Technology. 51 (9) pp.4738–4739.
25. Tieszen L.L., Tappan G.G. & Touré A., 2004. Sequestration of carbon in soil organic matter in Senegal: an overview. Journal of Arid Environments. 59 (3) pp.409–425.
26. Sá J.C. de M. & Lal R., 2009. Stratification in ratio of soil organic matter pools as an indicator of carbon sequestration in a tillage Chrono sequence on a Brazilian Oxizol. Soil & Tillage Research. 103 (1) pp.46–56.
27. Carley D.S., Goodman D., Sermons S., Shi W., Bowman D., Miller G. et al., 2011. Soil organic matter accumulation in creeping bent grass greens: a chronosequence with implications for management and carbon sequestration. Agronomy Journal. 103 (3) pp.604–610.
28. Chen Y.P., Li Y.Q., Awada T., Han J.J. & Luo Y.Q., 2012. Carbon sequestration in the total and light fraction soil organic matter along a chronosequence in grazing in semi-arid degraded sandy site in China. Journal of Arid Land. 4 (4) pp.411–419.
29. Ngo P-T., Rumpel C., Thu T.D., Henry-Des-Tureaux T., Dang D-K. & Jouquet P., 2014. Use of organic substrates for increasing soil organic matter quality and carbon sequestration of tropical degraded soil: a 3 year mesocosms experiment. Carbon Management. 5 (2) pp.155–168.
30. Iwasaki S., Endo Y. & Hatano R., 2017. The effect of organic matter application on carbon sequestration and soil fertility in upland fields of different types of Andosols. Soil Science & Plant Nutrition. 63 (2) pp.200–220.
31. Google Earth Pro, 2004. Brighton & Hove 50°51’09.37”N, 0°06’06.98”E elevation 86m. Viewed 25 July 2017. <https://www.google.co.uk/intl/en_uk/earth/>.
32. Koopmans G.F. & Groenenberg J.E., 2011. Effects of soil oven-drying on concentrations and speciation of trace metals and dissolved organic matter in soil solution extracts of sandy soils. Geoderma. 161 (3–4) pp.147–158.
33. Van Erp P.J., Houba V.J.G. & Van Beusichem M.L., 2001. Effect of drying temperature on amount of nutrient elements extracted with 0.01 M CaCl2 soil extraction procedure. Communications in Soil Science & Plant Analysis. 32 (1–2) pp.33–48.
34. Matthiessen M.K., Larney F.J., Selinger L.B. & Olson A.F., 2005. Influence of loss on ignition temperature and heating time of ash content of compost and manure. Communications in Soil Science & Plant Analysis. 36 (17–18) pp.2561–2573.
35. Robertson J., Thomas C.J., Caddy B., Lewis A.J.M. & Lewis A.J.M., 1984. Particle size analysis of soils—a comparison of dry and wet sieving techniques. Forensic Science International. 24 (3) pp.209–217.
36. Gasquez J.A., DeLima E., Olsína R.A., Martinez L.D. & de la Guardia M., 2005. A fast method for apatite selective leaching from granitic rocks followed through rare earth elements and phosphorus determination by inductively coupled plasma optical emission spectrometry. Talanta. 67 (4) pp.824–828. doi: 10.1016/j.talanta.2005.04.008 18970245
37. Bartos J.M., Boggs B.L., Falls J.H. & Siegel S.A., 2014. Determination of phosphorus and potassium in commercial inorganic fertilizers by inductively coupled plasma optical emission spectrometry: single laboratory validation. Journal of AOAC International. 97 (3) pp.687–699. doi: 10.5740/jaoacint.12-399 25051613
38. Cook R.D., 1977. Detection of influential observation in linear regression. Technometrics. 19 (1) pp.15–18.
39. Fearn T., 2016. Removing outliers. NIR News: Chemometric Space. 24 (1) pp.19–20.
40. Mao Y., Sang S., Liu S. & Jia J., 2014. Spatial distribution of pH and organic matter in urban soils and its implications on site-specific land uses in Xuzhou, China. Comptes Rendus—Biologies. 337 (5) pp.332–337. doi: 10.1016/j.crvi.2014.02.008 24841960
41. He N., Wang R., Gao Y., Dai J., Wen X. & Yu G., 2013. Changes in the temperatures sensitivity of SOM decomposition with grassland succession: implications for soil C sequestration. Ecology & Evolution. 3 (15) pp.5045–5054.
42. Getter K.L., Rowe D.B., Robertson G.P., Cregg B.M. & Andresen J.A., 2009. Carbon sequestration potential of extensive green roofs. Environmental Science & Technology. 43 (19) pp.7564–7570.
43. Emilsson T. & Rolf K., 2005. Comparison of establishment methods for extensive green roofs in southern Sweden. Urban Forestry & Urban Greening. 3 pp.103–111.
44. Whittinghill L.J., Rowe D.B., Schutzki R. & Cregg B.M., 2014. Quantifying carbon sequestration of various green roof and ornamental landscape systems. Landscape & Urban Planning. 123 pp.41–48.
45. Xu Q., Dong Y-x & Yang R., 2018. Influence of land urbanisation on carbon sequestration of urban vegetation: a temporal cooperativity analysis in Guangzhou as an example. Science of the Total Environment. 635 pp.26–34. doi: 10.1016/j.scitotenv.2018.04.057 29660724
46. Petzold A., Ogren J.A., Fiebig M., Laj P., Li S.M., Baltensperger U. et al., 2013. Recommendations for reporting ‘black carbon’ measurements. Atmospheric Chemistry & Physics. 13 (16) pp.8365–8379.
47. Ramanathan V. & Carmichael G., 2008. Global and regional climate changes due to black carbon. Nature Geoscience. 1 (4) pp.221–227.
48. Georgescu M., Morefield P.E., Bierwagen B.G. & Weaver C.P., 2014. Urban adaptation can roll back warming of emerging megapolitan regions. Proceedings of the National Academy of Sciences of the United States of America. 111 (8) pp.2909–2114. doi: 10.1073/pnas.1322280111 24516126
49. Alcazar S.S., Olivieri F. & Neila J., 2016. Green roofs: experimental and analytical study of its potential for urban microclimate regulation in Mediterranean-continental climates. Urban Climate. 17 pp.304–317.
50. Mallin M.A., Johnson V.L & Ensign S.H., 2009. Comparative impacts of storm water runoff on water quality of an urban, a suburban and a rural stream. Environmental Monitoring & Assessment. 159 (1–4) pp.475–491.
51. Timmermans B.G.H. & van Eekeren N., 2016. Phytoextraction of soil phosphorus by potassium-fertilised grass clover swards. Journal of Environmental Quality. 45 (2) pp.701–708. doi: 10.2134/jeq2015.08.0422 27065418
52. Reddy K.R., Newman S., Osborne T.Z., White J.R. & Fitz H.C., 2011. Phosphorus cycling in the greater everglades ecosystem: legacy phosphorus implications for management and restoration. Critical Reviews in Environmental Science & Technology. 41 (1) pp.149–186.
53. Mitchell M.E., Matter S.F., Durtsche R.D. & Buffam I., 2017. Elevated phosphorus: dynamics during four years of green roof development. Urban Ecosystems. 20 (5) pp.1121–1133.
54. Karczmarczyk A., Bus A. & Baryla A., 2018. Phosphate leaching from green roof substrates—can green roofs pollute urban water bodies? Water. 10 (2) pp.199–212.
55. Harper G.E., Limmer M.A., Showalter W.E. & Burken J.G., 2015. Nine-month evaluation of runoff quantity and quality from an experiential green roof in Missouri, USA. Ecological Engineering. 78 pp.127–133.
56. Berndtsson J.C., 2010. Green roof performance towards management of runoff water quantity and quality: a review. Ecological Engineering. 36 (4) pp.351–360.
57. Bliss D.J., Neufeld R.D. & Ries R.J., 2009. Storm water runoff mitigation using a green roof. Environmental Engineering Science. doi.org/10.1089/ees.2007.0186.
58. Zheng Y. & Clark M.J., 2013. Optimal growing substrate pH for five Sedum species. HortScience. 48 (4) pp.448–452.
59. Gudrupa I., Kruzmane D. & Ievinsh G., 2002. Effect of CCC and pH on shoot elongation in Sedum rubrotinctum R.T. Clausen. Plant Science. 163 (3) pp.647–651.
60. Bennie J., Hill M.O., Baster R. & Huntley B., 2006. Influence of slope and aspect on long term vegetation change in British chalk grasslands. Journal of Ecology. 94 (2) pp.355–368.
61. Basto S., Thompson K. & Rees M., 2015. The effect of soil pH on persistence of grassland species in soil. Plant Ecology. 216 (8) pp.1163–1175.
62. Stampfli A. & Zieter M., 1999. Plant species decline due to abandonment of meadows cannot be easily reversed by mowing. A case study from the Southern Alps. Journal of Vegetation Science. 10 (2) pp.151–164.
63. Wang F.L. & Huang P.M., 2001. Effects or organic matter on the rate of potassium adsorption by soils. Canadian Journal of Soil Science. 81 (3) pp.325–330.
64. Battie-Laclau P., Delgado-Rojas J.S., Christina M., Nouvellon Y., Bouillet J.P., Piccolo M. de C. et al., 2016. Potassium fertilisation increases water use efficiency for stem biomass production without affecting intrinsic water use efficiency in Eucalyptus grandis plantations. Forest Ecology & Management. 364 pp77–89.
65. Jákli B., Tränkner M., Senbayram M. & Dittert K., 2016. Adequate supply of potassium improves plant water use efficiency but not leaf water use efficiency of spring wheat. Journal of Plant Nutrition & Soil Science. 179 (6) pp.733–745.
66. He W. & Cheng F., 2013. Evaluating status change of soil potassium from path model. PlosONE. doi.org/10.1371/journal.pone.0076712.
67. Behera S.K. & Shukla A.K., 2015. Spatial distribution of surface soil acidity, electrical conductivity, soil organic carbon content and exchangeable potassium, calcium and magnesium in some cropped acid soils of India. Land Degradation & Development. 26 (1) pp.71–79.
68. Brams E., 1973. Soil organic matter and phosphorus relationships under tropical forests. Plant & Soil. 39 (2) pp.465–468.
69. Styles D. & Coxon C., 2006. Laboratory drying or organic matter rich soils: phosphorus solubility effects, influence of soil characteristics and consequences for environmental interpretation. Geoderma. 136 (1) pp.120–135.
70. Halajnia A., Haghnia G.H., Fotovat A. & Khorasani R., 2007. Effect of organic on phosphorus availability in calcareous soils. Journal of Water & Soil Science. 10 (4) pp.121–133.
71. Liu F., He J., Colombo C. & Violante A., 1999. Competitive adsorption of sulfate and oxalate on goethite in the absence of presence of phosphate. Soil Science. 164 (3) pp.180–189.
72. Zhang S., Huffman T., Zhang X., Liu W. & Liu Z., 2014. Spatial distribution of soil nutrients at depth in black soil of North-east China: a case study of soil available phosphorus and total phosphorus. International Journal of Soil Sediment & Water. 14 pp.1775–1789.
73. Wang H., Zhu J., Fu Q.L., Xiong W., Hong C., Hu H.Q. et al., 2015. Adsorption of phosphate onto ferrihydrite and ferrihydrite-humic acid complexes. Pedosphere. 25 pp.405–414.
74. Yusran F.H., 2008. Existing versus added soil organic matter in relation to phosphorus availability on lateritic soils. Journal of Tropical Soils. 13 (1) pp.23–34.
75. Fink J.R., Inda A.V., Tiecher T. & Barron V., 2016. Iron oxides and organic matter on soil phosphorus availability. Ciencia e agrotecnologia. 40 (4) pp.369–379.
76. Hargreaves, 2015. Soil texture and pH effects on potash and phosphorus availability. [online] <https://www.pda.org.uk/soil-texture-and-ph-effects-on-potash-and-phosphorus-availability/> [Accessed 23 May 2018].
77. Westermann D.T., 1992. Lime effects on phosphorus availability in a calcareous soil. Soil Science of American Journal. 56 (2) pp.489–494.
78. Hopkins, B. & Ellsworth, J., 2005. Phosphorus availability with alkaline/calcareous soil. Western Nutrient Management Conference. Salt Lake City, Utah.
79. Mujeeb F., Akhtar R.J. & Ahmad R., 2010. Integration of organic and inorganic P sources for improving P use efficiency in different soils. Soil & environment. 29 (2) pp.122–127.
80. Liu C-A., Li F-R., Liu C-C., Zhang R-H., Zhou L-M., Jia Y. et al., 2013. Yield increase effects via improving soil phosphorus availability by applying K2SO4 fertiliser in calcareous alkaline soils in a semi-arid agroecosystem. Field Crops Research. 144 pp.69–76.
81. Kucey R.M.N., Janzen H.H. & Leggett M.E., 1989. Microbially mediated increases in plant available phosphorus. Advances in Agronomy. 42 pp.199–228.