TY - JOUR A1 - Sigurdsson, B. D. A1 - Magnusson, B. T1 - Effects of seagulls on ecosystem respiration, soil nitrogen and vegetation cover on a pristine volcanic island, Surtsey, Iceland JO - Biogeosciences J1 - BG VL - 7 IS - 3 SP - 883 EP - 891 Y1 - 2010/03/05 PB - Copernicus Publications SN - 1726-4189 UR - http://www.biogeosciences.net/7/883/2010/ L1 - http://www.biogeosciences.net/7/883/2010/bg-7-883-2010.pdf DO - 10.5194/bg-7-883-2010 ER -