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Language(s):
eng - English
Dates:
20132013-09
Publication Status:
Issued
Pages:
III, 35 Bl.
Publishing info:
Kiel : Christian Albrechts Universität
Table of Contents:
ZUSAMMENFASSUNG / ABSTRACT ________________________________________________________________1
INTRODUCTION _____________________________________________________________________________________3
Investigated species ______________________________________________________________________________ 3
History of the sampling area _______________________________________________________________________ 4
Goals of the study________________________________________________________________________________ 5
METHODS ____________________________________________________________________________________________7
Sampling _______________________________________________________________________________________ 7
Measurements of morphometric traits ______________________________________________________________ 9
Shape Measurements ____________________________________________________________________________ 12
RESULTS ____________________________________________________________________________________________ 14
Comparison of morphological traits _______________________________________________________________ 14
Principal component analysis (PCA) _______________________________________________________________ 17
Shape Analysis _________________________________________________________________________________ 18
Cluster Analysis ________________________________________________________________________________ 20
DISCUSSION ________________________________________________________________________________________ 21
Comparison of morphological traits _______________________________________________________________ 21
Comparison of sexes ____________________________________________________________________________ 23
Conclusion ____________________________________________________________________________________ 24
ACKNOWLEDGEMENTS ___________________________________________________________________________ 27
REFERENCES _______________________________________________________________________________________ 28
APPENDIX __________________________________________________________________________________________ 33
Linear measurement tool (source code) _____________________________________________________________ 33
DECLARATION OF CONSENT / ___________________________________________________________________ 35
List of Figures
Figure 1: Map of Germany and Schleswig-Holstein, showing sampled areas ______________________ 7
Figure 2: First Landmark Setting _________________________________________________________ 9
Figure 3: Second Landmark Setting ______________________________________________________ 10
Figure 4: Third Landmark Setting _______________________________________________________ 11
Figure 5: Summary of all measured morphological traits _____________________________________ 12
Figure 6: Landmark setting for the 2D shape analysis _______________________________________ 13
Figure 7: Comparison of the mean values between populations ________________________________ 16
Figure 8: 3D Scatterplot of individual PC scores ____________________________________________ 17
Figure 9: Mean body shape of each population _____________________________________________ 18
Figure 10: Canonical variant scores of all specimens, labeled by population _____________________ 19
Figure 11: Dendrogram output of the cluster analysis on morphological traits ___________________ 20
Figure 12: Unrooted tree showing genetic distances from the microsatellite analyses ______________ 25
List of Tables
Table 1: Main characteristics of sampled areas ______________________________________________ 8
Table 2: Population means for morphological measurements _________________________________ 14
Table 3: Results of the MANCOVA _______________________________________________________ 15
Table 4: Eigenvalues of the principal component analysis related to SL _________________________ 18
Table 5: Eigenvalues of the canonical variance analysis on procrustes coordinates ________________ 19
Table 6: Contingency table of the P-values for Procrustes distances among groups _______________ 20
Rev. Type:
-
Identifiers:
Other: Diss/12532
Degree:
Bachelor