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1 The carbon dioxide system in seawater: equilibrium chemistry and measurements 1.1 Introduction 1.2 Basic chemistry of carbon dioxide in seawater 1.3 The definition and measurement of pH in seawater 1.4 Implications of other acid-base equilibria in seawater on seawater alkalinity 1.5 Choosing the appropriate measurement techniques 1.6 Conclusions and recommendations 2 Approaches and tools to manipulate the carbonate chemistry 3 Atmospheric CO2 targets for ocean acidification perturbation experiments 4 Designing ocean acidification experiments to maximise inference 5 Bioassays, batch culture and chemostat experimentation 6 Pelagic mesocosms 7 Laboratory experiments and benthic mesocosm studies 8 In situ perturbation experiments: natural venting sites, spatial/temporal gradients in ocean pH, manipulative in situ p(CO2) perturbations 9 Studies of acid-base status and regulation 9.1 Introduction 9.2 Fundamentals of acid-base regulation 9.3 Measurement of pH, total CO2 and non-bicarbonate buffer values 9.4 Compartmental measurements: towards a quantitative picture 9.5 Overall suggestions for improvements 10 Studies of metabolic rate and other characters across life stages 10.1 Introduction 10.2 Definition of a frame of reference: studying specific characters across life stages 10.3 Approaches and methodologies: metabolic studies 10.4 Study of early life stages 10.5 Techniques for oxygen analyses 10.6 Overall suggestions for improvements 10.7 Data reporting 10.8 Recommendations for standards and guidelines 11 Production and export of organic matter 12 Direct measurements of calcification rates in planktonic organisms 13 Measurements of calcification and dissolution of benthic organisms and communities 14 Modelling considerations 15 Safeguarding and sharing ocean acidification data 15.1 Introduction 15.2 Sharing ocean acidification data 15.3 Safeguarding ocean acidification data 15.4 Harmonising ocean acidification data and metadata 15.5 Disseminating ocean

Key Findings Current Coastal Management Challenges Current coastal management challenges are worsening. Top management challenges will be exacerbated by climate change. Current management challenges make adaptation planning and decision-making difficult. Climate Change Concerns, Knowledge, and Actions Attitudes and knowledge about climate change are strongly supportive of adaptation action. Attention to adaptation has increased markedly over the past five years. Adaptation planning and implementation is still in the very early stages. There is limited familiarity with innovative adaptation approaches. Information, Technical Assistance, and Training Needs Organizational missions, job responsibilities, and legal requirements shape common information use. Ease of access to information is the overriding determinant of information use. Specific information needs differ by professional group. Critical opportunities exist to meet coastal professionals' information, technical assistance, and training needs Survey Background Decision-makers in California's (CA) coastal counties recognize that climate change will impact their communities and coastline. Yet, coastal CA communities are at different stages in developing and/or implementing climate change adaptation plans. During the Summer of 2012, USC Sea Grant, in partnership with 14 other CA-based organizations (listed below), launched a survey to understand the needs and barriers coastal communities have in planning for climate change in order to develop appropriate trainings and technical assistance for communities and determine the best way to link communities to resources and tools already available. Survey Partners USC Sea Grant California Sea Grant Center for Ocean Solutions, Stanford University California Nevada Applications Program (CNAP) at the Scripps Institution of Oceanography, University of California, San Diego through the NOAA Regional Integrat

LIFEONTERRA is a collaborative filmspace and laboratory exploring the questions and ideas on the cutting-edge of science and at the farthest horizons of the natural world. The "TERRA: The Nature of Our World" video podcast launched in October 2005. TERRA films have been downloaded over one million times. LIFEONTERRA is committed to keeping ALL content free & easily accessible in perpetuity. To this end, we host past & present content in a digital archive. All our shows are available as a Medium Quality Flash 8 or High Quality Quicktime (.m4v) . This is a permanent resource for everyone: fans, educators, students, and anyone who is simply curious about the natural world. We are a worldwide crossroads, a forum for compelling issues, and a stage for the awesome diversity of our planet.