Contents
1
Introduction ................................................................................................. 1
2
ELA W A T: Goals and Conceptual Framework ........................................ 5
S. Dittmann & V. Grimm
3
Study Area: The Backbarrier Tidal Flats of Spiekeroog ........................ 15
3.1
Description of the Spiekeroog Backbarrier System .......................... 15
A. Hild
3.2
Meteorological Conditions in the East Frisian Wadden Sea
from 1994-1996 ................................................................................ 19
V. Niesel
3.3
Hydrographic Conditions in the Spiekeroog Backbarrier System ..... 26
V. Niesel
3.4
Morphology and Sedimentology of the Spiekeroog Backbarrier
System ............................................................................................... 31
A.Hild
3.4.1 Origin of the Wadden Sea ..................................................... 31
3.4.2 History of the Coastal Evolution ........................................... 31
3.4.3 Morphology and Morphodynamics ....................................... 31
3.4.4 Sedimentology ....................................................................... 33
3.5
Biofacies in the Spiekeroog Backbarrier Tidal Flats ........................ 36
C. -Po Giinther
3.5.1 Introduction ........................................................................... 36
3.5.2 Horizontal and Vertical Aspects of Biofacies ........................ 38
3.5.3 Case Study Mytilus Bed ......................................................... 39
3.5.4 Effects of Ice Winters ........................................................... .41
3.6
Ecosystem Engineers: Mytilus edulis and Lanice conchilega ......... .43
A. Hild & c.-P. Giinther
3.6.1 Mytilus edulis ....................................................................... .43
3.6.2 Lanice conchilega ................................................................. .46
4
Statistical Models and Techniques for the Analysis of Conditions
of an Ecological System ............................................................................. 5 1
U. Schleier
4.1
Introduction ...................................................................................... 51
4.2
Terminology ..................................................................................... 53
1
Introduction ................................................................................................. 1
2
ELA W A T: Goals and Conceptual Framework ........................................ 5
S. Dittmann & V. Grimm
3
Study Area: The Backbarrier Tidal Flats of Spiekeroog ........................ 15
3.1
Description of the Spiekeroog Backbarrier System .......................... 15
A. Hild
3.2
Meteorological Conditions in the East Frisian Wadden Sea
from 1994-1996 ................................................................................ 19
V. Niesel
3.3
Hydrographic Conditions in the Spiekeroog Backbarrier System ..... 26
V. Niesel
3.4
Morphology and Sedimentology of the Spiekeroog Backbarrier
System ............................................................................................... 31
A.Hild
3.4.1 Origin of the Wadden Sea ..................................................... 31
3.4.2 History of the Coastal Evolution ........................................... 31
3.4.3 Morphology and Morphodynamics ....................................... 31
3.4.4 Sedimentology ....................................................................... 33
3.5
Biofacies in the Spiekeroog Backbarrier Tidal Flats ........................ 36
C. -Po Giinther
3.5.1 Introduction ........................................................................... 36
3.5.2 Horizontal and Vertical Aspects of Biofacies ........................ 38
3.5.3 Case Study Mytilus Bed ......................................................... 39
3.5.4 Effects of Ice Winters ........................................................... .41
3.6
Ecosystem Engineers: Mytilus edulis and Lanice conchilega ......... .43
A. Hild & c.-P. Giinther
3.6.1 Mytilus edulis ....................................................................... .43
3.6.2 Lanice conchilega ................................................................. .46
4
Statistical Models and Techniques for the Analysis of Conditions
of an Ecological System ............................................................................. 5 1
U. Schleier
4.1
Introduction ...................................................................................... 51
4.2
Terminology ..................................................................................... 53