Anita GJ Buma Peter Boelen and Wade H Jeffrey

Table of contents

Abstract 293

9.1 Introduction 293

9.2 UV-B induced DNA photoproducts and repair pathways 295

9.3 Penetration of DNA effective UVR in marine waters 298

9.4 Measurement of DNA damage in marine organisms 301

9.5 Patterns of DNA damage accumulation and repair in aquatic organisms 301

9.5.1 Evidence from laboratory studies 301

9.5.2 Depth related CPD patterns, diel cycles and mixing effects 303

9.5.3 Residual DNA damage and viability 309

9.5.4 Effects of varying ozone concentrations 311

9.6 Species specific differences and cell size aspects 312

9.7 Latitudinal and seasonal variability 314

9.8 Concluding remarks 318

Acknowledgements 320

References 320

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