Abstract | 第6-7页 |
摘要 | 第8-16页 |
Chapter 1. Introduction and background | 第16-47页 |
1.1. Biodiversity and the functioning of forests in the changing world | 第17-19页 |
1.2. Current state of knowledge: Forest diversity and functioning | 第19-34页 |
1.2.1. Taxonomic attributes and the functioning of forests | 第19-21页 |
1.2.2. Functional traits and the functioning of forests | 第21-26页 |
1.2.3. Stand structural attributes and the functioning of forests | 第26-31页 |
1.2.4. Evolutionary diversity and the functioning of forests | 第31-33页 |
1.2.5. Effects of local environmental factors on biodiversity-ecosystem functioningrelationships | 第33-34页 |
1.3. Knowledge gap: Forest diversity and functioning across forest strata | 第34-38页 |
1.4. Thesis synopsis | 第38-47页 |
1.4.1. Thesis structure or frame work | 第38-40页 |
1.4.2. Thesis focus, major questions, hypotheses and predictions | 第40-47页 |
Chapter 2. Materials and methods | 第47-59页 |
2.1 Study site and forest plots | 第48-59页 |
2.2. Forest inventory and measurement of plant functional traits | 第50-52页 |
2.3. Classification of forest strata and quantification of forest diversity attributes | 第52页 |
2.4. Environmental factors dataset | 第52-55页 |
2.5. Estimation of aboveground biomass | 第55-56页 |
2.6. Statistical analyses | 第56-59页 |
PART 1: SPECIES,STAND STRUCTURAL AND FUNCTIONAL TRAIT DIVERSITY,AND ABOVEGROUNDBIOMASS | 第59-120页 |
Chapter 3. The forest strata-dependent relationship between biodiversity and abovegroundbiomass within a subtropical forest | 第59-78页 |
3.1. Introduction | 第60-63页 |
3.2. Materials and methods | 第63-69页 |
3.2.1. Quantification of forest diversity | 第63-64页 |
3.2.2. Statistical analyses | 第64-69页 |
3.3. Results | 第69-74页 |
3.4. Discussion | 第74-77页 |
3.4.1. The relationship between biodiversity and aboveground biomass depends onforest strata | 第75-76页 |
3.4.2. High species diversity and aboveground biomass on nutrient poor soils | 第76-77页 |
3.5. Concluding remarks | 第77-78页 |
Chapter 4. Forest strata-dependent effects of functional trait diversity on aboveground biomassin a subtronical forest | 第78-100页 |
4.1. Introduction | 第79-81页 |
4.2. Materials and methods | 第81-91页 |
4.2.1. Quantification of functional trait diversity | 第81-83页 |
4.2.2. Statistical analyses | 第83-91页 |
4.3. Results | 第91-96页 |
4.4. Discussion | 第96-99页 |
4.5. Concluding remarks | 第99-100页 |
Chapter 5. The mediation roles of intraspecific and interspecific functional trait diversity forlinking the response of aboveground biomass to species richness across forest strata in asubtropical forest | 第100-120页 |
5.1. Introduction | 第101-104页 |
5.2. Materials and methods | 第104-111页 |
5.2.1. Quantification of intraspecific and interspecific functional trait diversity | 第104-106页 |
5.2.2. Statistical analyses | 第106-111页 |
5.3. Results | 第111-116页 |
5.3.1. Performance of intraspecific and interspecific FTD to aboveground biomass | 第111页 |
5.3.2. Intraspecific FTD mediates the response of aboveground biomass to speciesrichness at forest strata and whole-community level | 第111-115页 |
5.3.3. Interspecific FTD mediates the response of aboveground biomass to speciesrichness at understorey strata | 第115-116页 |
5.4. Discussion | 第116-118页 |
5.5. Concluding remarks | 第118-120页 |
PART 2: PHYLOGENETIC DIVERSITY,FUNCTIONAL TRAIT DIVERSITY,AND ABOVEGROUNDBIOMASS | 第120-146页 |
Chapter 6. Consequences of phylogenetic conservativeness and functional trait similarity onaboveground biomass vary with subtropical forest strata | 第120-146页 |
6.1. Introduction | 第121-123页 |
6.2. Materials and methods | 第123-138页 |
6.2.1. Quantification of functional trait diversity and evolutionary diversity | 第123-130页 |
6.2.2. Statistical analyses | 第130-138页 |
6.3. Results | 第138-142页 |
6.4. Discussion | 第142-145页 |
6.5. Concluding remarks | 第145-146页 |
PART 3: FUNCTIONAL STRATEGIES AND ABOVEGROUND BIOMASS | 第146-169页 |
Chapter 7. Functional identity of overstorey tree height and understorey conservative traitsdrive aboveground biomass in a subtropical forest | 第146-169页 |
7.1. Introduction | 第147-150页 |
7.2. Materials and methods | 第150-156页 |
7.2.1. Quantification of community-weighted mean of trait values | 第150-152页 |
7.2.2. Statistical analyses | 第152-156页 |
7.3. Results | 第156-164页 |
7.3.1. Bivariate relationships between aboveground biomass and each of CWM of traitvalues and soil properties | 第156-161页 |
7.3.2. Effects of functional identity of conservative and acquisitive strategies onaboveground biomass | 第161-162页 |
7.3.3. The big trees effect on functional identity and aboveground biomass inunderstorey | 第162-164页 |
7.4. Discussion | 第164-167页 |
7.4.1. Functional identity of tree height drives high aboveground biomass in overstoreystrata | 第164-165页 |
7.4.2. Conservative strategy drives high aboveground biomass in understorey strata | 第165-166页 |
7.4.3. The big trees effect on understorey functional identity and aboveground biomass | 第166-167页 |
7.4.4. Soil nutrients modulate functional strategies for driving high abovegroundbiomass across forest strata | 第167页 |
7.5. Concluding remarks | 第167-169页 |
PART 4: SPECIES,STRUCTURAL,FUNCTIONAL TRAITS AND PHYLOGENETIC ATTRIBUTES,ANDABOVEGROUND BIOMASSS | 第169-225页 |
Chapter 8. Disentangling the effects of taxonomic, functional, evolutionary and stand structuralattributes on aboveground biomass: differential effects across subtropical forest strata | 第169-211页 |
8.1. Introduction | 第170-173页 |
8.2. Materials and methods | 第173-194页 |
8.2.1. Quantification of forest diversity attributes | 第173-178页 |
8.2.2. Statistical analyses | 第178-194页 |
8.3. Results | 第194-204页 |
8.3.1. Overstorey aboveground biomass is mainly driven by functional identity of treeheight, stand density and functional evenness | 第194-198页 |
8.3.2. Understorey aboveground biomass is mainly driven by biodiversity, standstructure and soil nutrients | 第198-201页 |
8.3.3. Whole-community aboveground biomass is mainly driven by functional identityof tree height, individual tree size inequality and soil nutrients | 第201-204页 |
8.4. Discussion | 第204-209页 |
8.4.1. Functional identity of overstorey tree height drives high aboveground biomass atoverstorey strata | 第205-206页 |
8.4.2. Conservative and complementarity understorey species drive high abovegroundbiomass at understorey strata | 第206-207页 |
8.4.3. Functional identity of tree height and individual tree size inequality drive highaboveground biomass at whole-community level | 第207-208页 |
8.4.4. Soil nutrients availability modulates the effects of biodiversity and stand structuralattributes on aboveground biomass | 第208-209页 |
8.5. Concluding remarks | 第209-211页 |
Chapter 9. General discussion and concluding remarks | 第211-225页 |
9.1. Introduction | 第212页 |
9.2. A matter of forest strata: understanding biodiversity-aboveground biomassrelationships across forest strata in a subtropical forest | 第212-215页 |
9.3. Wrapping up: what determines aboveground biomass? | 第215-216页 |
9.4. Wrapping up: how do overstorey strata influence the diversity, composition, structureand aboveground biomass of understorey? | 第216-218页 |
9.5. Outlook: the way forward in subtropical forest ecology | 第218-222页 |
9.6. Conclusions | 第222-225页 |
References | 第225-236页 |
Snapshots | 第236-241页 |
Acknowledgements | 第241-244页 |
Personal curriculum vitae | 第244-251页 |