{"refrec":{"BRefID":117926,"RR":"<b>Kowalke, J.; Tatián, M.; Sahade, R.; Arntz, W.E.</b> (2002). Production and respiration of Antarctic ascidians, <b><i>in</i></b>: Arntz, W.E. <i>et al.</i> (Ed.) <i>Ecological studies in the Antarctic sea ice zone: results of EASIZ Midterm Symposium.</i> pp. 259-265","BEntID":306996,"PublicFlag":1,"CheckedFlag":0,"wosflag":0,"vabbflag":0,"RefStringPartII":", <b><i>in</i></b>: Arntz, W.E. <i>et al.</i> <i>Ecological studies in the Antarctic sea ice zone: results of EASIZ Midterm Symposium.</i> pp. 259-265","DocTypID":17,"DocType":"Book chapters","MarineFlag":1,"FreshFlag":0,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"Kowalke, J.; Tatián, M.; Sahade, R.; Arntz, W.E.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Kowalke, J. <i>et al.</i>","Englishabstract":"Solitary ascidians are the most abundant group of mega-epibenthic animals below 20 m in Potter Cove, King George Island. The present work deals with aspects of growth and respiration to explain this dominance. High growth rates and longevity (maximum ages between 3.1 and 10.6 years) make them effective colonisers after destructive events. Low basal metabolism (between 0.023 and 0.057 ml O<sub>2</sub> h<sup>-1 </sup>per g ash-free dry mass, T = 1°C) elevates the scope for growth. 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