Composition of ant communities

For more info about our services contact : help@bestpfe.com

Table of contents

CHAPTER 1: GENERAL INTRODUCTION
1.1 GENERAL CONTEXT
1.1.1 Importance of Soils and the ecosystem services they provide
1.1.2. Importance of soil macrofauna for soil functioning
1.1.3. The role of termite communities
1.1.4. The role of ant communities
1.1.4. Impacts of agriculture practices on soil fauna
1.2. THE CASE OF COLOMBIAN LLANOS
1.3. STRUCTURE OF THE THESIS AND GOALS
1.4 REFERENCES
CHAPTER 2: ANTS AS INDICATORS OF SOIL-BASED ECOSYSTEM SERVICES
2.1 INTRODUCTION
2.2 MATERIALS AND METHODS
2.2.1 Study region and design
2.2.2 Ecosystem service evaluation and development of synthetic indicators
2.2.3 Ant diversity sampling and calculations
2.2.4 Comparison of land uses
2.3 RESULTS
2.3.1 Composition of ant communities
2.3.2 Indicators for ecosystem services
2.3.3 Comparison of ant communities between land use systems
2.4. DISCUSSION
2.4.1 Developing indicators of soil-based ecosystem services
2.4.2 Response of ant communities to manangement
2.7 REFERENCES
2.8 ANEXES
CHAPTER 3 : INFLUENCE OF LANDSCAPE AND SOIL PROPERTIES ON SOIL ENGINEERS COMMUNITIES
3.1 INTRODUCTION
3.2 MATERIALS AND METHODS
3.2.1 Study region and sampling design
3.2.2 Physical and Chemical Soil analyses
3.2.3 Ants and termites biodiversity
3.2.4 Statistical analysis
3.3 RESULTS
3.3.1 Soil engineers diversity
3.3.2 Effect of region or land use on soil properties
3.3.3 Effect of region or land use on community structure
3.3.4 Effect of environmental factors on soil engineer species occurrence
3.4 DISCUSSION
3.4.1 Effect of the regions or land uses on soil properties
3.4.2 Effect of the regions or land uses and ant or termite communities
3.4.3 Effect of soil properties, regions and land uses on ant or termite species
3.5 CONCLUSION
3.6 REFERENCES
3.7 ANNEXES
CHAPTER 4: RESPONSE OF ANT TRAITS TO AGRICULTURAL CHANGES
4.1 INTRODUCTION
4.2 MATERIALS AND METHODS
4.2.1 Study area
4.2.2 Sampling scheme
4.2.3 Ant identification
4.2.4 Soil characteristics
4.2.5 Trait description
4.2.6 Data analysis
4.3 RESULTS
4.3.1 Joint analisys of ecological traits, environmental variables and ant community
4.3.2 Classification of species based on environmental variables and species ecological traits
4.3.3 Co-inertia analysis between morphologic and ecological traits
4.4 DISCUSSION
4.4.1 Joint structure between ant species distribution, environment and species traits
4.4.2 What explains the ant species distribution?
4.4.3 Relation between morphological and ecological traits
4.5 CONCLUSION
4.6 REFERENCES
4.7 ANNEXES
CHAPTER 5: DISCUSSION, PERSPECTIVES AND CONCLUSIONS
5.1 DISCUSSION
5.1.1 Overview and main results of the thesis
5.1.2 Species richness and composition
5.1.3 Effect of the agricultural landscape on soil communities
5.1.4 Ecosystem services and soil engineers
5.1.5 An approach to landscape ecology
5.2. CONCLUSION AND PERSPECTIVES
5.6 REFERENCES