Study on understanding the causes of biodiversity loss and ...
European Commission Directorate-General for Environment
Study on understanding the causes of biodiversity loss and the policy assessment framework
In the context of the Framework Contract No. DG ENV/G.1/FRA/2006/0073 Specific Contract No. DG.ENV.G.1/FRA/2006/0073
Final Report
Allister Slingenberg, Leon Braat, Henny van der Windt, Koen Rademaekers, Lisa Eichler, Kerry Turner
Member of Consortium
October 2009
Authors: Allister Slingenberg, ECORYS Leon Braat, Wageningen University / Alterra Henny van der Windt, Rijksuniversiteit Groningen (RUG) Lisa Eichler, ECORYS Kerry Turner, University of East Anglia
Quality Control: Koen Rademaekers, ECORYS
Contributing authors: Salim Morsy, ECORYS Associate Sil Boeve, ECORYS
Disclaimer: all opinions formulated in this report have been made by ECORYS and do not necessarily reflect the views of the European Commission.
ECORYS Nederland BV P.O. Box 4175 3006 AD Rotterdam Watermanweg 44 3067 GG Rotterdam The Netherlands
T +31 (0)10 453 88 00 F +31 (0)10 453 07 68 E netherlands@ W Registration no. 24316726
ECORYS Macro & Sector Policies T +31 (0)10 453 87 53 F +31 (0)10 452 36 60
Table of contents
Table of contents
3
List of Figures
7
List of Tables
11
Executive Summary
13
1 Introduction
17
1.1 Background
17
1.1.1 Context
17
1.1.2 Current state of play
18
1.1.3 The debate on economics and biodiversity in a nutshell
20
1.2 Current research on biodiversity loss
21
1.2.1 Latest biodiversity research and models
21
1.2.2 Biodiversity frameworks and assessments
23
1.3 Approach
25
2 Direct causes of biodiversity loss
29
2.1 Introduction
29
2.2 Land-use change
33
2.2.1 Agricultural expansion: growing food production in developing
countries
34
2.2.2 Agricultural expansion: the case of biofuels
34
2.2.3 Infrastructure development
38
2.2.4 Deforestation
40
2.3 Pollution
42
2.3.1 Air pollution
42
2.3.2 Water pollution
42
2.3.3 Marine pollution from oil spills
43
2.4 Unsustainable natural resource use
47
2.4.1 Fisheries
47
2.4.2 Mining
49
2.4.3 Commercial wood extraction
51
2.5 Climate change
54
2.6 Invasive alien species
56
3 Biodiversity and the policy assessment framework
59
3.1 Introduction
59
Understanding the causes of biodiversity loss and the policy assessment framework
3
3.2 Economic drivers
59
3.2.1 Market failures
59
3.2.2 Economic structure, size and growth
60
3.2.3 Demand for ecosystem services
61
3.2.4 Macroeconomic factors
63
3.2.5 Trade-related biodiversity-loss
63
3.2.6 Technology
64
3.3 Demographic drivers
65
3.3.1 Population size
65
3.3.2 Public attitudes and individual behaviour
67
3.4 Institutional drivers
67
3.4.1 Property rights
68
3.4.2 Governance
71
3.4.3 Formal policies and their effects on biodiversity
73
3.5 Policy assessment applied: some examples
76
3.5.1 A closer look at the scaling mismatch and the effects of globalisation
on biodiversity in coastal ecosystems
76
3.5.2 Likely future effects of increased biodiversity protection efforts
77
3.5.3 A case study of biodiversity implications of biofuels policies
83
4 Bottlenecks and solutions
87
4.1.1 A closer look at possible marine ecosystem specific bottlenecks and
solutions
93
4.1.2 A closer look at the role of governance as a potential bottleneck
95
4.2 Conclusions and recommendations
99
5 Annex 1: Case studies on coastal ecosystems and biodiversity loss
101
5.1 Introduction
101
5.1.1 The DPSIR framework applied to coastal ecosystems
103
5.2 Case study 1a: Beach ecosystems in Italy
104
5.2.1 Management of beaches in Riviera del Beigua (Liguria)
107
5.3 Case study 1b: Mangrove ecosystems in Thailand
109
5.4 Case study 1c: Coastal wetlands in England, UK
114
5.4.1 Freshwater coastal wetlands: The Norfolk and Suffolk Broads
117
5.4.2 Saltmarsh ecosystems in coastal Eastern England, UK
123
6 Annex 2: Case studies on marine ecosystems and biodiversity loss
127
6.1 Introduction
127
6.2 Case study 2a: The North Sea
128
6.2.1 Direct causes of decrease of biodiversity
129
6.2.2 Underlying causes
131
6.2.3 Possible solutions
134
6.3 Case study 2b: the Coral Triangle
136
6.3.1 Direct causes of decrease of biodiversity
137
6.3.2 Underlying causes
138
6.3.3 Possible solutions
141
6.4 Case study 2c: the Arctic Ocean
142
6.4.1 Direct causes of decrease of biodiversity
143
6.4.2 Underlying causes
145
6.4.3 Possible solutions
148
7 Annex 3: Case studies on forest ecosystems and biodiversity loss
151
7.1 Case study 3a: the Congo Basin
157
7.1.1 Direct causes of deforestation
158
7.1.2 Underlying causes of deforestation
162
7.1.3 Actors and policy framework
175
7.1.4 Possible solutions
176
7.2 Case study 3b: the Amazon forest ecosystem
177
7.2.1 Direct causes of deforestation
178
7.2.2 Underlying causes of deforestation
183
7.2.3 Actors and policy framework
188
7.2.4 Possible solutions
189
7.3 Case study 3c: Forest ecosystems in Tanzania
190
7.3.1 Direct causes of biodiversity loss
191
7.3.2 Underlying causes of biodiversity loss
191
7.3.3 Actors and policy framework
192
7.3.4 Possible solutions
196
8 Bibliography
199
Understanding the causes of biodiversity loss and the policy assessment framework
5
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