This collection compiles papers from the International Conference on Wetland Systems (ICWS) which were published after review in the journals WST, WS and WPT. This IWA Specialist Group conference took place 4 - 8 October 2010 in Venice, Italy.

Sludge treatment reed bed facilities – organic load and operation problems

Steen Nielsen

Water Science and Technology (1 March 2011) 63 (5): 941–947.

DOI: https://doi.org/10.2166/wst.2011.273

Mechanical resistance properties of gravel used in subsurface flow constructed wetlands: implications for clogging

Anna Pedescoll, Fabiana Passos, Elisenda Alba, Joan García, Jaume Puigagut

Water Science and Technology (1 May 2011) 63 (9): 1801–1807.

DOI: https://doi.org/10.2166/wst.2011.380

A fuzzy quality index for the environmental assessment of a restored wetland

E. Giusti, S. Marsili-Libelli, S. Mattioli

Water Science and Technology (1 May 2011) 63 (9): 2061–2070.

DOI: https://doi.org/10.2166/wst.2011.568

Vegetated ditches for treatment of surface water with highly fluctuating water regime

T. G. Bulc, A. K. Klemenčič, J. Razinger

Water Science and Technology (1 May 2011) 63 (10): 2353–2359.

DOI: https://doi.org/10.2166/wst.2011.588

Effect of recirculation on organic matter removal in a hybrid constructed wetland system

S. Ç. Ayaz, N. Findik, L. Akça, N. Erdoğan, C. Kınacı

Water Science and Technology (1 May 2011) 63 (10): 2360–2366.

DOI: https://doi.org/10.2166/wst.2011.635

A promising approach of reject water treatment using a tidal flow constructed wetland system employing alum sludge as main substrate

Y. Yang, Y. Q. Zhao, S. P. Wang, X. C. Guo, Y. X. Ren ...

Water Science and Technology (1 May 2011) 63 (10): 2367–2373.

DOI: https://doi.org/10.2166/wst.2011.575

P distribution in different sediment fraction of a constructed wetland

G. A. Di Luca, M. M. Mufarrege, G. C. Sánchez, H. R. Hadad, M. A. Maine

Water Science and Technology (1 May 2011) 63 (10): 2374–2380.

DOI: https://doi.org/10.2166/wst.2011.511

Enhancing the removal of arsenic, boron and heavy metals in subsurface flow constructed wetlands using different supporting media

K. Lizama Allende, T. D. Fletcher, G. Sun

Water Science and Technology (1 June 2011) 63 (11): 2612–2618.

DOI: https://doi.org/10.2166/wst.2011.533

Integrated constructed wetlands: water management as a land-use issue, implementing the ‘Ecosystem Approach’

R. Harrington, P. Carroll, S. Cook, C. Harrington, M. Scholz ...

Water Science and Technology (1 June 2011) 63 (12): 2929–2937.

DOI: https://doi.org/10.2166/wst.2011.591

Constructed wetland as a low cost and sustainable solution for wastewater treatment adapted to rural settlements: the Chorfech wastewater treatment pilot plant

Ahmed Ghrabi, Latifa Bousselmi, Fabio Masi, Martin Regelsberger

Water Science and Technology (1 June 2011) 63 (12): 3006–3012.

DOI: https://doi.org/10.2166/wst.2011.563

Effect of polyaluminium chloride on phosphorus removal in constructed wetlands treated with swine wastewater

G. B. Reddy, Dean A. Forbes, P. G. Hunt, Johnsely S. Cyrus

Water Science and Technology (1 June 2011) 63 (12): 2938–2943.

DOI: https://doi.org/10.2166/wst.2011.652

Effect of diffusional mass transfer on the performance of horizontal subsurface flow constructed wetlands in tropical climate conditions

K. N. Njau, L. Gastory, B. Eshton, J. H. Y. Katima, R. J. A. Minja ...

Water Science and Technology (1 June 2011) 63 (12): 3039–3045.

DOI: https://doi.org/10.2166/wst.2011.640

Numerical modelling: a tool for better constructed wetland design?

Guenter Langergraber

Water Science and Technology (1 July 2011) 64 (1): 14–21.

DOI: https://doi.org/10.2166/wst.2011.520

The role of SSVF and SSHF beds in concentrated wastewater treatment, design recommendation

M. Gajewska, H. Obarska-Pempkowiak

Water Science and Technology (1 July 2011) 64 (2): 431–439.

DOI: https://doi.org/10.2166/wst.2011.619

Diphasic transfer of oxygen in vertical flow filters: a modelling approach

A. Petitjean, A. Wanko, N. Forquet, R. Mosé, F. Lawniczak ...

Water Science and Technology (1 July 2011) 64 (1): 109–116.

DOI: https://doi.org/10.2166/wst.2011.618

Dewatering sludge originating in water treatment works in reed bed systems

S. Nielsen, D. J. Cooper

Water Science and Technology (1 July 2011) 64 (2): 361–366.

DOI: https://doi.org/10.2166/wst.2011.581

Kinetics of heterotrophic biomass and storage mechanism in wetland cores measured by respirometry

A. R. C. Ortigara, P. Foladori, G. Andreottola

Water Science and Technology (1 July 2011) 64 (2): 409–415.

DOI: https://doi.org/10.2166/wst.2011.547

Nitrogen removal and ammonia-oxidising bacteria in a vertical flow constructed wetland treating inorganic wastewater

Sergio S. Domingos, Stewart Dallas, Lucy Skillman, Stephanie Felstead, Goen Ho

Water Science and Technology (1 August 2011) 64 (3): 587–594.

DOI: https://doi.org/10.2166/wst.2011.565

Elimination and accumulation of polycyclic aromatic hydrocarbons in urban stormwater wet detention ponds

Darja Istenič, Carlos A. Arias, Víctor Matamoros, Jess Vollertsen, Hans Brix

Water Science and Technology (1 August 2011) 64 (4): 818–825.

DOI: https://doi.org/10.2166/wst.2011.525

Total and hexavalent chromium removal in a subsurface horizontal flow (h-SSF) constructed wetland operating as post-treatment of textile wastewater for water reuse

D. Fibbi, S. Doumett, I. Colzi, E. Coppini, S. Pucci ...

Water Science and Technology (1 August 2011) 64 (4): 826–831.

DOI: https://doi.org/10.2166/wst.2011.548

Pollutant removal in a multi-stage municipal wastewater treatment system comprised of constructed wetlands and a maturation pond, in a temperate climate

A. Rivas, I. Barceló-Quintal, G. E. Moeller

Water Science and Technology (1 August 2011) 64 (4): 980–987.

DOI: https://doi.org/10.2166/wst.2011.731

Hydraulic behaviour and removal efficiencies of two H-SSF constructed wetlands for wastewater reuse with different operational life

S. Barbagallo, G. L. Cirelli, A. Marzo, M. Milani, A. Toscano

Water Science and Technology (1 September 2011) 64 (5): 1032–1039.

DOI: https://doi.org/10.2166/wst.2011.553

Tracer studies and hydraulic behaviour of planted and un-planted vertical-flow constructed wetlands

R. S. Cota, M. von Sperling, R. C. S. Penido

Water Science and Technology (1 September 2011) 64 (5): 1056–1063.

DOI: https://doi.org/10.2166/wst.2011.544

Comparison of nitrogen elimination rates of different constructed wetland designs

Eriona Canga, Sara Dal Santo, Alexander Pressl, Maurizio Borin, Guenter Langergraber

Water Science and Technology (1 September 2011) 64 (5): 1122–1129.

DOI: https://doi.org/10.2166/wst.2011.433

Long-term behaviour of a two-stage CW system regarding nitrogen removal

Guenter Langergraber, Alexander Pressl, Klaus Leroch, Roland Rohrhofer, Raimund Haberl

Water Science and Technology (1 September 2011) 64 (5): 1137–1141.

DOI: https://doi.org/10.2166/wst.2011.332

Phytotreatment of sludges ( Phragmites australis ) for their reuse in the environment

B. Ceccanti, V. Bianchi, R. Iannelli, E. Peruzzi, G. Masciandaro

Water Science and Technology (1 September 2011) 64 (6): 1233–1238.

DOI: https://doi.org/10.2166/wst.2011.713

Pollutant monitoring in sludge treatment wetlands

E. Peruzzi, G. Masciandaro, C. Macci, S. Doni, B. Ceccanti

Water Science and Technology (1 October 2011) 64 (7): 1558–1565.

DOI: https://doi.org/10.2166/wst.2011.589

Floating treatment wetlands for domestic wastewater treatment

J. L. Faulwetter, M. D. Burr, A. B. Cunningham, F. M. Stewart, A. K. Camper ...

Water Science and Technology (1 November 2011) 64 (10): 2089–2095.

DOI: https://doi.org/10.2166/wst.2011.576

Influence of design, physico-chemical and environmental parameters on pharmaceuticals and fragrances removal by constructed wetlands

M. Hijosa-Valsero, V. Matamoros, R. Sidrach-Cardona, A. Pedescoll, J. Martín-Villacorta ...

Water Science and Technology (1 June 2011) 63 (11): 2527–2534.

DOI: https://doi.org/10.2166/wst.2011.500