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for the sustainable management of natural resources, Hamburg, 6–8 Oct 2009. Book of
Abstracts: 30
Zhao X, Xie YX, Xiong ZQ, Yan XY, Xing GX, Zhu ZL (2009) Nitrogen fate and environmental
consequence in paddy soil under rice-wheat rotation in the Taihu lake region, China. Plant Soil
319:225–234
Ziegler AD, Sutherland RA, Giambelluca TW (2000) Runoff generation and sediment production
on unpaved roads, footpaths and agricultural land surfaces in northern Thailand. Earth Surf
Proc Land 25:519–534
Ziegler AD, Giambelluca TW, Tran LT, Vana TT, Nullet MA, Fox J, Vien TD, Pinthong J,
Maxwell JF, Evett S (2004) Hydrological consequences of landscape fragmentation in mountainous northern Vietnam: evidence of accelerated overland flow generation. J Hydrol
287:124–146
Ziegler AD, Bruun TB, Guardiola-Claramonte M, Giambelluca TW, Lawrence D, Lam NT (2009)
Environmental consequences of the demise in swidden cultivation in montane mainland
Southeast Asia: hydrology and geomorphology. Hum Ecol 37:361–373. doi:10.1007/s10745009-9258-x
148
H.L. Fro ¨hlich et al.