Bacteria-protist interactions in the context of biodiversity and ecosystem functioning research:
Gespeichert in:
| 1. Verfasser: | |
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| Format: | Abschlussarbeit Elektronisch Software E-Book |
| Sprache: | English |
| Veröffentlicht: |
2012
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| Schlagworte: | |
| Online-Zugang: | Inhaltsverzeichnis |
| Beschreibung: | XVI, 155 Bl. graph. Darst. 28 cm Beil. (1 S.) |
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Datensatz im Suchindex
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| adam_text | IMAGE 1
TABLE OF CONTENTS
SR. NO. TITLE PAGE NO.
CHAPTER 1 GENERAL INTRODUCTION
1.1 BIODIVERSITY AND ECOSYSTEM FUNCTIONING (BEF) RESEARCH 1
1.1.1 BEF RESEARCH IN THE CONTEXT OF CONSUMER-PRODUCER RELATIONSHIP 4
1.1.2 INCORPORATING HERBIVORE DIVERSITY IN BEF RESEARCH 6
1.1.3 INCORPORATING PREDATOR DIVERSITY IN BEF RESEARCH 7
1.1.4 INTERACTIVE EFFECTS O F PREDATORS, HERBIVORES AND PLANTS ON
ECOSYSTEM FUNCTIONING 8
1.2 MICROORGANISMS IN THE CONTEXT OF BEF RESEARCH 9
1.2.1 INCLUSION OF TROPHIC INTERACTIONS IN MICROBIAL BEF RESEARCH 11
1.2.2 TROPHIC INTERACTION STRENGTH BETWEEN BACTERIA AND PROTISTS 13
1.2.3 MICROBIAL BEF RESEARCH IN THE CONTEXT O F ECOSYSTEM PROCESSES 14
1.3 MAJOR OBJECTIVES O F THE THESIS 17
CHAPTER 2 MATERIALS AND METHODS
2.1 PRELIMINARY EXPERIMENTS 18
2.1.1 BACTERIA AND PROTISTS USED IN THIS STUDY 18
2.1.2 BACTERIAL GROWTH AND ACTIVITY IN MICROTITER PLATES 19
2.1.3 MEASURING THE IMPACT OF BACTERIAL SPECIES RICHNESS ON BACTERIAL
GROWTH AND ACTIVITY AT DIFFERENT TIME INTERVALS 20
2.1.4 GROWTH O F PROTISTS ON DIFFERENT BACTERIAL SPECIES 21
2.1.5 IMPACT OF PREDATION ON BACTERIAL GROWTH AND FINAL PROTIST
NUMBERS
21
2.1.6 RELATIONSHIP BETWEEN OD6OONM AND COLONY FORMING UNITS (CFU) 22
2.2 MAIN EXPERIMENT O F THE THESIS-EXPERIMENTAL SETUP 23
HTTP://D-NB.INFO/1029088608
IMAGE 2
2.2.1 BACTERIA (PREY) AND PROTIST (PREDATORS) USED FOR THE MAIN
EXPERIMENTS
23
2.2.2 EXPERIMENTAL DESIGN 24
2.2.3 PARAMETERS MEASURED 25
2.2.4 CALCULATION O F NET BIODIVERSITY EFFECT (NBE) AND ITS
COMPONENTS
26
2.2.5 CALCULATION OF SHANNON EVENNESS INDEX 28
2.2.6 CALCULATION OF TROPHIC INTERACTION STRENGTH 29
2.2.7 STATISTICALLY ANALYSIS 29
CHAPTER 3 RESULTS
3.1 PRELIMINARY EXPERIMENTS 30
3.1.1 BACTERIAL GROWTH AND ACTIVITY IN 24 WELL MICROTITER PLATES 30
3.1.2 MEASURING THE IMPACT OF BACTERIAL SPECIES RICHNESS ON BACTERIAL
GROWTH AND ACTIVITY AT DIFFERENT TIME INTERVALS 31
3.1.3 PROTIST GROWTH CURVE IN THE PRESENCE OF DIFFERENT BACTERIAL
SPECIES 37
3.1.4 IMPACT O F PREDATION ON BACTERIAL GROWTH AND FINAL PROTIST
NUMBERS
39
3.1.5 CHANGE IN BACTERIAL OD AND CFU AT DIFFERENT TIME INTERVALS 45
MAIN EXPERIMENT OF THE THESIS - EXPERIMENTAL SETUP
3.2 IMPACT O F PREDATION ON BACTERIAL DIVERSITY EFFECTS AND
UNDERLYING ECOLOGICAL MECHANISMS
47
3.3 IMPACT OF BACTERIAL AND PROTIST DIVERSITY ON PREDATOR
PERFORMANCE, AND STABILITY
52
3.3.1 INFLUENCE OF PREY AND PREDATOR RICHNESS ON PREDATOR PRODUCTION 52
3.3.2 PREY PREFERENCES O F PROTIST PREDATORS 57
3.4 PREY-PREDATOR TROPHIC INTERACTION STRENGTH (IS) IN MICROBIAL
COMMUNITIES 60
IMAGE 3
3. 5 IMPACT OF BACTERIAL SPECIES RICHNESS AND PROTIST PREDATION ON 63
CARBON AND NITROGEN CONTENTS
3.5.1 CONSUMPTION OF DOC AND DTN BY BACTERIAL MONOCULTURES 63
UNDER DIFFERENT PREDATION PRESSURE
3.5.2 IMPACT OF BACTERIAL SPECIES RICHNESS ON DOC AND DTN 65
CONSUMPTION
3.5.3 IMPACT OF BACTERIAL SPECIES RICHNESS ON STABILITY O F DOC AND 66
DTN CONSUMPTION
3.5.4 RELATIONSHIP BETWEEN BACTERIAL COMMUNITY EVENNESS AND 68
CONSUMPTION
3.5.5 RELATIONSHIP OF PREDATOR LOAD WITH CONSUMPTION 69
3.5.6 RELATIONSHIP OF DOC AND DTN CONSUMPTION WITH TOTAL 72
BIOMASS PRODUCTION
CHAPTER 4 DISCUSSION
4.1 PRELIMINARY EXPERIMENTS 76
4.2 EFFECT OF PREDATION ON BACTERIAL DIVERSITY EFFECTS AND 77
UNDERLYING ECOLOGICAL MECHANISMS
4.3 IMPACT OF BACTERIAL AND PROTIST DIVERSITY ON PREDATOR 83
PERFORMANCE, STABILITY AND PREFERENTIAL FEEDING
4.3.1 IMPACT OF BACTERIAL PREY RICHNESS ON PROTIST PREDATOR PRODUCTION
84
4.3.2 IMPACT O F BACTERIAL PREY RICHNESS ON PROTIST STABILITY 86
4.3.3 INFLUENCE OF PREDATOR RICHNESS ON PREDATOR PRODUCTION 87
4.3.4 PREY PREFERENCES O F PROTIST PREDATORS 89
4.3.5 IMPACT O F BACTERIAL PREY RICHNESS ON PROTIST PREDATOR EVENNESS 90
4.4 PROTIST-BACTERIA TROPHIC INTERACTION STRENGTH IN MICROBIAL 92
MICROCOSMS
4.5 IMPACT O F BACTERIAL SPECIES RICHNESS AND PROTIST PREDATION ON 94
CARBON AND NITROGEN CONSUMPTION AND STABILITY
4.5.1 CONSUMPTION O F DOC AND DTN BY BACTERIAL MONO-CULTURES 94
UNDER DIFFERENT PREDATION PRESSURE
XLL
IMAGE 4
95
98
99
102
104
107
109
110
110
112
150
152
154
155
IMPACT O F BACTERIAL SPECIES RICHNESS ON DOC AND DTN CONSUMPTION
IMPACT OF BACTERIAL SPECIES RICHNESS ON STABILITY O F DOC AND DTN
CONSUMPTION BACTERIAL COMMUNITY EVENNESS AND DOC/DTN CONSUMPTION
RELATIONSHIP O F PREDATOR LOAD WITH CONSUMPTION
RELATIONSHIP OF DOC AND DTN CONSUMPTION WITH BIOMASS PRODUCTION
SUMMARY AND CONCLUDING REMARKS
IMPACT O F PREDATION ON THE EFFECT O F BACTERIAL DIVERSITY ON
PRODUCTIVITY AND UNDERLYING ECOLOGICAL MECHANISMS
IMPACT OF BACTERIAL AND PROTIST DIVERSITY ON PREDATOR PERFORMANCE,
STABILITY
PROTIST-BACTERIA TROPHIC INTERACTION STRENGTH AND ITS RELATIONSHIP WITH
PREDATOR DENSITY AND DIVERSITY
IMPACT O F BACTERIAL SPECIES RICHNESS AND PROTIST PREDATION ON CARBON
AND NITROGEN CONSUMPTION AND STABILITY
REFERENCES
ACKNOWLEDGEMENTS
PUBLICATIONS
CURRICULUM VITAE
VERSICHERUNG
|
| any_adam_object | 1 |
| author | Saleem, Muhammad 1982- |
| author_GND | (DE-588)1027739768 |
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| bvnumber | BV041209572 |
| ctrlnum | (OCoLC)856870078 (DE-599)DNB1029088608 |
| dewey-full | 579.1782 |
| dewey-hundreds | 500 - Natural sciences and mathematics |
| dewey-ones | 579 - Microorganisms, fungi & algae |
| dewey-raw | 579.1782 |
| dewey-search | 579.1782 |
| dewey-sort | 3579.1782 |
| dewey-tens | 570 - Biology |
| discipline | Biologie |
| format | Thesis Electronic Software eBook |
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| spelling | Saleem, Muhammad 1982- Verfasser (DE-588)1027739768 aut Bacteria-protist interactions in the context of biodiversity and ecosystem functioning research vorgelegt von Muhammad Saleem 2012 XVI, 155 Bl. graph. Darst. 28 cm Beil. (1 S.) txt rdacontent c rdamedia cd rdacarrier Leipzig, Univ., Diss., 2012 (DE-588)4113937-9 Hochschulschrift gnd-content DNB Datenaustausch application/pdf http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=026184299&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA Inhaltsverzeichnis |
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| subject_GND | (DE-588)4113937-9 |
| title | Bacteria-protist interactions in the context of biodiversity and ecosystem functioning research |
| title_auth | Bacteria-protist interactions in the context of biodiversity and ecosystem functioning research |
| title_exact_search | Bacteria-protist interactions in the context of biodiversity and ecosystem functioning research |
| title_full | Bacteria-protist interactions in the context of biodiversity and ecosystem functioning research vorgelegt von Muhammad Saleem |
| title_fullStr | Bacteria-protist interactions in the context of biodiversity and ecosystem functioning research vorgelegt von Muhammad Saleem |
| title_full_unstemmed | Bacteria-protist interactions in the context of biodiversity and ecosystem functioning research vorgelegt von Muhammad Saleem |
| title_short | Bacteria-protist interactions in the context of biodiversity and ecosystem functioning research |
| title_sort | bacteria protist interactions in the context of biodiversity and ecosystem functioning research |
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