Effects of UV radiation on antarctic benthic algae [Elektronische Ressource] : with emphasis on early successional stages and communities / Katharina Zacher
EFFECTS OF UV RADIATION ON ANTARCTIC BENTHIC ALGAE –WITH EMPHASIS ON EARLY SUCCESSIONAL STAGES AND COMMUNITIESPhD thesis Katharina Zacher University of BremenGermany, 2007 ALFRED WEGENER INSITUT FÜR POLAR- UND MEERESFORSCHUNG BREMERHAVENEFFECTS OF UV RADIATION ON ANTARCTIC BENTHIC ALGAE – WITH EMPHASIS ON EARLY SUCCESSIONAL STAGES AND COMMUNITIESDissertation zur Erlangung des Doktorgrades der Naturwissenschaften -Dr. rer. nat.- - Vorgelegt dem Fachbereich Biologie/Chemie der Universität Bremen von -Katharina Zacher Januar 2007 1. Gutacher: Prof. Christian Wiencke 2. Gutachter: Prof. Dieter HaneltA journey of a thousand miles begins with a single step – Lao Tsu CONTENTS LIST OF ABBREVIATIONS ............................................................................................................ ISUMMARY ........................................................................................................................................IIZUSAMMENFASSUNG ................................................................................................................... V1 Introduction................................................................................................................................11.1 Marine algal communities ..................................................................................................1 1.2 Stratospheric ozone, photosynthetically active radiation and UV radiation.......................2 1.