Natural variability of zooplankton and phytoplankton in outdoor aquatic microcosms:
Gespeichert in:
| 1. Verfasser: | |
|---|---|
| Format: | Buch |
| Sprache: | English |
| Veröffentlicht: |
2001
|
| Schlagworte: | |
| Online-Zugang: | Inhaltsverzeichnis |
| Beschreibung: | München, Techn. Univ., Diss., 2001 |
| Beschreibung: | 199 Bl. Ill., graph. Darst. |
Internformat
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| 100 | 1 | |a Maise, Susanne |d 1967- |e Verfasser |0 (DE-588)123925304 |4 aut | |
| 245 | 1 | 0 | |a Natural variability of zooplankton and phytoplankton in outdoor aquatic microcosms |c Susanne Maise |
| 264 | 1 | |c 2001 | |
| 300 | |a 199 Bl. |b Ill., graph. Darst. | ||
| 336 | |b txt |2 rdacontent | ||
| 337 | |b n |2 rdamedia | ||
| 338 | |b nc |2 rdacarrier | ||
| 500 | |a München, Techn. Univ., Diss., 2001 | ||
| 650 | 0 | 7 | |a Zooplankton |0 (DE-588)4067965-2 |2 gnd |9 rswk-swf |
| 650 | 0 | 7 | |a Phytoplankton |0 (DE-588)4174642-9 |2 gnd |9 rswk-swf |
| 650 | 0 | 7 | |a Teich |0 (DE-588)4134177-6 |2 gnd |9 rswk-swf |
| 650 | 0 | 7 | |a Autökologie |0 (DE-588)4143684-2 |2 gnd |9 rswk-swf |
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Datensatz im Suchindex
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TABLE OF CONTENTS
1 INTRODUCTION.12
1.1 ECOLOGICAL RISK ASSESSMENT PROCEDURE.12
1.2 WHAT ARE WE TRYING TO PROTECT?.13
1.3 NATURAL VARIABILITY.14
1.4 ECOSYSTEM DISTURBANCE.15
1.5 WHAT CONSTITUTES AN EFFECT?.18
1.6 OBJECTIVES.19
2 MATERIALS AND METHODS.21
2.1 MICROCOSMS. 21
2.1.1 DEFINITION.21
2.1.2 GUIDELINES.21
2.1.3 TESTING FACILITY.21
2.1.4 INOCULUM. 21
2.1.5 WATER CIRCULATION.22
2.2 STUDY DESIGN.24
2.2.1 INVESTIGATION OF NATURAL VARIABILITY IN THE CONTROL GROUP.24
2.2.2 DISTURBANCE FACTORS.24
2.2.3 LIGHT/SHADOW.25
2.2.4 MIXING/TURBULENCE.26
2.2.5 SURFACE RUNOFF.27
2.2.6 DIAZINON.27
2.2.7 ASSIGNMENT OF TANKS TO TREATMENT GROUPS.29
2.2.8 TIME SCHEDULE FOR TREATMENTS.30
2.3 ENDPOINTS AND SAMPLING IN 1997. 31
2.3.1 ENDPOINTS: CHOICE OF STRUCTURAL PARAMETERS.31
2.3.2 TIME SCHEDULE FOR SAMPLING OF ORGANISMS.31
2.3.3 SAMPLING AND CONSERVATION OF PHYTOPLANKTON AND ZOOPLANKTON.31
2.3.4 MEASUREMENT OF MACROPHYTES.32
2.3.5 TAXONOMIC IDENTIFICATION AND COUNTING OF ZOO- AND PHYTOPLANKTON.32
2.3.6 FUNCTIONAL PARAMETERS.32
2.4 ZOOPLANKTON SAMPLING IN 1996 AND 1998.32
2.5 DATA EVALUATION AND INTERPRETATION.32
BIBLIOGRAFISCHE INFORMATIONEN
HTTP://D-NB.INFO/964930226
2.5.1 CHOICE OF DESCRIPTIVE AND STATISTICAL METHODS.32
2.5.2 COEFFICIENT OF VARIATION.33
2.5.3 LEVELS OF PRECISION.33
2.5.4 VARIANCE: MEAN RELATIONSHIP.33
2.5.5 MAXIMUM DENSITY.34
2.5.6 TRANSFORMATION OF DATA FOR STATISTICAL ANALYSIS.34
2.5.7 DIVERSITY INDEX.
34
2.5.8 DOMINANCE CURVES. 34
2.5.9 DUNNETTS'S TEST.
33
2.5.10 MATRICES OF SIMILARITY COEFFICIENTS.35
2.5.11 HIERARCHICAL CLUSTERING.
35
2.5.12 NON-METRIC MULTI-DIMENSIONAL SCALING (MDS).36
2.5.13 ANALYSIS OF SIMILARITY (ANOSIM).
36
2.5.14 PRINCIPAL RESPONSE CURVES (PRC).37
2.5.15 DATA ANALYSIS ON DIFFERENT TAXONOMIC LEVELS.33
3 RESULTS AND DISCUSSION.
39
3.1 SYSTEM-INHERENT VARIABILITY OF ZOOPLANKTON.39
3.1.1 ZOOPLANKTON TAXA.
39
3.1.2 INTERREPLICATE VARIABILITY OF ZOOPLANKTON.
40
3.1.3 SEASONAL VARIABILITY OF ZOOPLANKTON.47
3.1.4 ZOOPLANKTON YEAR-TO-YEAR VARIABILITY FOR 1996,1997 AND 1998. .51
3.2 DISCUSSION OF SYSTEM-INHERENT VARIABILITY OF ZOOPLANKTON.53
3.2.1 SYSTEM-INHERENT VARIABILITY OF ZOOPLANKTON IN MICROCOSMS IS
COMPARABLE TO
VARIABILITY IN NATURAL ECOSYSTEMS.53
3.2.2 INTERREPLICATE VARIABILITY WAS HIGH FOR MANY SMALL POPULATIONS AND
THEREFORE
PRECISION LEVELS WERE NOT SATISFACTORY FOR MOST TAXA.55
3.2.3 INTER-REPLICATD VARIABILITY WITHIN THE CONTROL GROUP INCREASED
THROUGH TIME.57
3.2.4 ZOOPLANKTON COMMUNITY STRUCTURE WAS STRONGLY DOMINATED BY FEW
SPECIES
THROUGHOUT THE STUDY.
58
3.2.5 INVESTIGATION OF THE YEAR-TO-YEAR VARIABILITY SHOWED WEAKNESSES IN
THE TEST
DESIGN: MANY POPULATION DENSITIES CLOSE TO ZERO.60
3.3 DISTURBANCE EFFECTS ON ZOOPLANKTON.
3.3.1 COEFFICIENTS OF VARIATION FOR ZOOPLANKTON IN THE TREATMENT
GROUPS.61
3.3.2 DOMINANT ZOOPLANKTON TAXA IN TREATMENT GROUPS.
64
3.3.3 UNIVARIATE TESTING FOR EFFECTS ON ZOOPLANKTON DENSITY AND SPECIES
DIVERSITY.68
3.3.4 CLUSTER ANALYSIS FOR ZOOPLANKTON.
69
3.3.5 MULTI DIMENSIONAL SCALING FOR ZOOPLANKTON.72
3.3.6 ANALYSIS OF SIMILARITIES FOR ZOOPLANKTON.
73
3.3.7 PRINCIPAL RESPONSE CURVES FOR ZOOPLANKTON.75
3.3.8 ANALYSIS OF ZOOPLANKTON AT DIFFERENT TAXOR OMIC LEVELS.79
3.3.8.1 PRCS FOR ZOOPLANKTON AT 3 TAXONOMIC LEVELS.79
3
3
.
8.2
CONTRIBUTION OF ORDERS AND DOMINANT SPECIES TO TOTAL ZOOPLANKTON
DENSITY.82
85
3.4 DISCUSSION OF DISTURBANCE EFFECTS ON ZOOPLANKTON.
3.4.1 THE ZOOPLANKTON COMMUNITY STRUCTURE WAS CLEARLY AFFECTED BY THE
APPLICATION OF
DIAZINON AND DID NOT RECOVER BY TEST END.85
3.4.2 THE ZOOPLANKTON COMMUNITY WAS AFFECTED BY THE TURBULENCE TREATMENT
BUT
RECOVERED TO CONTROL LEVEL BY TEST END.90
3.4.3 THE COMMUNITY STRUCTURE WAS NOT AFFECTED BY SHADOW.92
3.4.4 THE COMMUNITY STRUCTURE WAS NOT AFFECTED BY RUNOFF.92
3.4.5 UNIVARIATE AND MULTIVARIATE STATISTICAL METHODS LEAD TO SIMILAR
RESULTS.93
3.4.6 DIAZINON EFFECTS WERE DETECTABLE DESPITE NATURAL VARIABILITY AND
CHANGES DUE TO
NATURAL DISTURBANCE.94
3.4.7 TAXONOMIC LEVELS HIGHER THAN THE SPECIES LEVEL WERE SUFFICIENT FOR
INTERPRETATION OF
THE PRESENT STUDY.95
3.5 SYSTEM-INHERENT VARIABILITY OF PHYTOPLANKTON.98
3.5.1 PHYTOPLANKTON TAXA.98
3.5.2 INTERREPLICATE VARIABILITY OF PHYTOPLANKTON.101
3.5.3 SEASONAL VARIABILITY OF PHYTOPLANKTON.-R,.106
3.6 DISCUSSION OF SYSTEM-INHERENT VARIABILITY OF PHYTOPLANKTON.110
3.6.1 PHYTOPLANKTON INTER-REPLICATE VARIABILITY WAS DOMINATED BY THE
NUMBER OF ZERO
COUNTS.110
3.6.2 CONSEQUENCES FOR THE TEST DESIGN.112
3.6.3 CHANGES IN PHYTOPLANKTON COMPOSITION DOMINATED BY SEASONALITY. 112
3.7 DISTURBANCE EFFECTS ON PHYTOPLANKTON.115
3.7.1 COEFFICIENTS OF VARIATION FOR PHYTOPLANKTON IN TREATMENT
GROUPS.115
3.7.2 DOMINANT PHYTOPLANKTON TAXA.118
3.7.3 UNIVARIATE TESTING FOR EFFECTS ON PHYTOPLANKTON TAXA.122
3.7.4 CLUSTER ANALYSIS FOR PHYTOPLANKTON COMMUNITIES.124
3.7.5 MULTI DIMENSIONAL SCALING FOR PHYTOPLANKTON COMMUNITIES.127
3.7.6 ANALYSIS OF SIMILARITIES FOR PHYTOPLANKTON COMMUNITIES.129
3.7.7 PRINCIPAL RESPONSE CURVES FOR PHYTOPLANKTON COMMUNITIES.130
3.7.8 PHYTOPLANKTON DATA ANALYSIS ON DIFFERENT TAXONOMIC LEVELS.133
3.7.8.1 PERCENT CONTRIBUTION OF PHYTOPLANKTON ORDERS AND MAJOR SPECIES
TO TOTAL
DENSITY. 133
3.7.8.2 PRINCIPAL RESPONSE CURVES FOR VARIOUS TAXONOMIC LEVELS OF
PHYTOPLANKTON 138
3.8 DISCUSSION OF DISTURBANCE EFFECTS ON PHYTOPLANKTON.144
3.8.1 PHYTOPLANKTON COMMUNITY STRUCTURE WAS CLEARLY AFFECTED BY THE
APPLICATION OF
DIAZINON AND DID NOT RECOVER BY TEST END.144
3.8.2 PHYTOPLANKTON COMMUNITY WAS AFFECTED BY THE TURBULENCE TREATMENT
BUT
RECOVERED TO CONTROL LEVEL BY TEST END.146
3.8.3 PHYTOPLANKTON COMMUNITY STRUCTURE WAS NOT SIGNIFICANTLY AFFECTED
BY SHADOW 148
3.8.4 PHYTOPLANKTON COMMUNITY STRUCTURE WAS NOT SIGNIFICANTLY AFFECTED
BY RUNOFF. 149
3.8.5 HOW TO COMBINE UNIVARIATE AND MULTIVARIATE STATISTICAL METHODS.149
3.8.6 DIAZINON EFFECTS ON PHYTOPLANKTON WERE DETECTABLE DESPITE NATURAL
VARIABILITY AND
CHANGES DUE TO NATURAL DISTURBANCE.150
3.8.7 TAXONOMIC LEVELS HIGHER THAN THE SPECIES LEVEL NOT SUFFICIENT FOR
INTERPRETATION OF
THE PRESENT STUDY.151
4 CONCLUSIONS.153
5 SUMMARY.159
5.1 ABSTRACT.:.159
5.2 ZUSAMMENFASSUNG.160
6 REFERENCES.162
7 ACKNOWLEDGEMENTS.172
APPENDIX A: MACROPHYTES.173
APPENDIX B: PHYSICAL-CHEMICAL MEASUREMENTS.178
APPENDIX C: ANALYTICAL RESULTS & ANALYTICAL METHOD.182 |
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| indexdate | 2024-10-09T18:04:47Z |
| institution | BVB |
| language | English |
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| physical | 199 Bl. Ill., graph. Darst. |
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| spelling | Maise, Susanne 1967- Verfasser (DE-588)123925304 aut Natural variability of zooplankton and phytoplankton in outdoor aquatic microcosms Susanne Maise 2001 199 Bl. Ill., graph. Darst. txt rdacontent n rdamedia nc rdacarrier München, Techn. Univ., Diss., 2001 Zooplankton (DE-588)4067965-2 gnd rswk-swf Phytoplankton (DE-588)4174642-9 gnd rswk-swf Teich (DE-588)4134177-6 gnd rswk-swf Autökologie (DE-588)4143684-2 gnd rswk-swf (DE-588)4113937-9 Hochschulschrift gnd-content Teich (DE-588)4134177-6 s Zooplankton (DE-588)4067965-2 s Autökologie (DE-588)4143684-2 s DE-604 Phytoplankton (DE-588)4174642-9 s DNB Datenaustausch application/pdf http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=009914387&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA Inhaltsverzeichnis |
| spellingShingle | Maise, Susanne 1967- Natural variability of zooplankton and phytoplankton in outdoor aquatic microcosms Zooplankton (DE-588)4067965-2 gnd Phytoplankton (DE-588)4174642-9 gnd Teich (DE-588)4134177-6 gnd Autökologie (DE-588)4143684-2 gnd |
| subject_GND | (DE-588)4067965-2 (DE-588)4174642-9 (DE-588)4134177-6 (DE-588)4143684-2 (DE-588)4113937-9 |
| title | Natural variability of zooplankton and phytoplankton in outdoor aquatic microcosms |
| title_auth | Natural variability of zooplankton and phytoplankton in outdoor aquatic microcosms |
| title_exact_search | Natural variability of zooplankton and phytoplankton in outdoor aquatic microcosms |
| title_full | Natural variability of zooplankton and phytoplankton in outdoor aquatic microcosms Susanne Maise |
| title_fullStr | Natural variability of zooplankton and phytoplankton in outdoor aquatic microcosms Susanne Maise |
| title_full_unstemmed | Natural variability of zooplankton and phytoplankton in outdoor aquatic microcosms Susanne Maise |
| title_short | Natural variability of zooplankton and phytoplankton in outdoor aquatic microcosms |
| title_sort | natural variability of zooplankton and phytoplankton in outdoor aquatic microcosms |
| topic | Zooplankton (DE-588)4067965-2 gnd Phytoplankton (DE-588)4174642-9 gnd Teich (DE-588)4134177-6 gnd Autökologie (DE-588)4143684-2 gnd |
| topic_facet | Zooplankton Phytoplankton Teich Autökologie Hochschulschrift |
| url | http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=009914387&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA |
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