XVI
6.1 The Search for Long Term Variability and Trends in
Operational Precipitation Data
51
6.2 The Water Cycle
53
6.3 Vegetation and Climate
56
6.4 Will the Mediterranean Water Cycle Change?
61
7 Conclusions
67
7.1 What Has Been Learned From Data Analysis?
67
7.2 To What Degree Are the Processes Understood Which Drive
Climate Variability?
69
7.3 Which Relationships Exist Between the Mediterranean Basin
and the Earth System?
71
7.4 What Are the Future Perspectives?
72
References
73
Appendix I
The ECHIV AL Field Experiment in Desertification Threatened Areas
(EFEDA)
82
References
86
Chapter 3
Challenges for Climate Data Analysis
87
Indicators and Information Requirements for Combatting Desertification
G. Enne, C. Zucca, C. Zanolla
89
I Introduction
89
2 International Seminar on Indicators for Assessing Desertification
in the Mediterranean
90
2. I Objectives and Assumptions
90
2.2 Results and Conclusions
91
3 International Workshop on Desertification Convention: Data and
Information Requirements for Interdisciplinary Research
93
3.1 Objectives
93
3.2 Results
94
3.3 Conclusions
99
4 Study on Desertification Indicators for the European Mediterranean
Region: State of the Art and Possible Methodological Approaches
99
4.1 Objectives
99
4.2 Contents
100
5 Conclusions and Perspectives
104
References
105
Climate Changes in the Mediterranean Region: Physical Aspects and
Effects on Agriculture
A. Iglesias
107
1 Background
107
2 Why is Climate Change of Concern in Agriculture?
107
3 Understanding the Vulnerability of Mediterranean Agriculture
108
4 Which Impacts are Likely to be Important?
108
5 Need for Changes in Policy
109
6 A Survey of Previous Studies
109