How to assess crop losses

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Table of contents

PART I. INTRODUCTION
Chapter 1. Problematic/Definitions/Research questions
1.1 Crop losses worldwide
1.2 Coffee crisis in America
1.3 Research needs
1.4 Definitions to state the scope of this research
1.4.1 Injury profile
1.4.2 Crop loss
1.4.3 Yield loss
1.4.4 Attainable yield
1.4.5 Actual yield
1.4.6 Economic loss
1.4.7 Primary and secondary crop losses
1.4.8 Production situations
1.4.9 Management strategies
1.5 The importance of injury profiles for crop loss assessments
1.6 How to assess crop losses
1.7 Regulation of pests and diseases and other ecosystem services
1.8 Justification of the research
1.9 Research questions and hypotheses
PART II. MATERIALS AND METHODS
Chapter 2. Materials and methods
2.1 General strategy to respond the research questions
2.2 Coffee Losses Experiment (CoLosses)
2.2.1 Location and establishment
2.2.2 Experimental design
2.2.3 Measurement of the studied variables
2.3 Coffee Research Plot Network (CASCADE)
2.3.1 Location and establishment
2.3.2 Objective and strategy for the selection of coffee plots
2.3.3 Experimental design
2.3.4 Measurements of the studied variables
2.4 Statistical methods
PART III. RESULTS
Manuscript 1: Effects of shade, altitude and management on multiple ecosystem services in coffee agroecosystems
Manuscript 2: Primary and secondary yield losses caused by pests and diseases: assessment and modeling in coffee
Chapter 5. Coffee yield losses due to injury profiles under different management strategies and production situations
Manuscript 3: Primary and secondary yield losses caused by injury profiles under different management strategies and production situations in coffee agroecosystems
Chapter 6. Reduction of coffee losses and provision of multiple ecosystem services
Manuscript 4: Coffee agroforestry systems for reducing crop losses while providing multiple ecosystem services
PART IV. GENERAL DISCUSSION
Chapter 7. General discussion
7.1 Scientific contributions of this Ph.D. Thesis in the fields of crop losses research and assessment of ecosystem services
7.1.1 Both production situations and management strategies determine coffee yield and pest and disease injuries
7.1.2 In perennial crops such as coffee, injury profiles affect yield losses not only during the same year but also during the following year(s)
7.1.3 Diversified agroforestry systems have better chances to regulate pests and diseases and provide multiple ecosystem services simultaneously
7.2 Conceptual models and definitions regarding crop losses adapted to perennial crops
7.3 Implications for the design and management of tropical agroecosystems oriented towards the reduction of crop losses and provision of multiple ecosystem services
7.4 Main prospects