ContentsAbout the editors iPreface iiiAcknowledgements vAbbreviations viiCHAPTER 1 Enzymes and their functions in soil and groundwater 11.1 Introduction 11.2 Types and sources 31.2.1 Types 31.2.2 Sources 41.3 Kinetics, functions and influencing factors 51.3.1 Enzyme kinetics 51.3.2 Functions of enzymes 71.3.3 Influencing factors of enzyme activities 131.4 Methods for visualizing enzyme activities: in situzymography 211.4.1 Introduction 211.4.2 Materials and methods 241.4.3 Procedures 271.4.4 Combination with other visualization techniques 301.5 Enzymes and their relations with environmental researches 351.5.1 Effluent treatment and detoxification 361.5.2 Bioindicators for pollution monitoring 401.5.3 Biosensors 461.6 Conclusion 51Main References 52CHAPTER 2 Global climate change and enzyme activities 622.1 Global climate change and its mutual effects with the environment