Microbial properties and habitats of permafrost soils on Taimyr Peninsula, Central Siberia: = Mikrobiologische Eigenschaften und Habitate in Permafrostböden der Taimyr-Halbinsel, Mittelsibirien
Saved in:
| Main Author: | |
|---|---|
| Format: | Thesis/Dissertation Book |
| Language: | English German |
| Published: |
Bremerhaven
Alfred-Wegener-Inst. für Meeres- und Polarforschung
1999
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| Series: | Berichte zur Polarforschung
340 |
| Subjects: | |
| Links: | http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=008846762&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA |
| Physical Description: | XVIII, 183 S. graph. Darst., Kt. |
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Record in the Search Index
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| adam_text | IMAGE 1
MICROBIAL PROPERTIES AND HABITATS OF PERMAFROST SOILS
ON TAIMYR PENINSULA, CENTRAL SIBERIA
MIKROBIOLOGISCHE EIGENSCHAFTEN UND HABITATE IN PERMAFROSTBODEN DER
TAIMYR HAIBINSEL, MITTELSIBIRIEN
NICOLE SCHMIDT
BER. POLARFORSCH. 340 (1999) ISSN 0176 - 5027
IMAGE 2
CONTENTS
PAGE
CONTENTS I-III
ACKNOWLEDGEMENTS IV-V
SUMMARY AND CONCLUSIONS VI-IX
ZUSAMMENFASSUNG UND SCHLUFLFOLGERUNGEN X-XIII
ABBREVIATIONS AND GLOSSARY XIV-XV
LIST OF TABLES XVI
LIST OF FIGURES XVII-XVIII
1. INTRODUCTION AND APPROACH 1
2. STUDY AREA AND EXPERIMENTAL SITES 4
2.1 TAIMYR PENINSULA 4
2.1.1 LOCATION . 4
2.1.2 CLIMATE 6
2.1.3. TUNDRA VEGETATION 7
2.1.4. GEOLOGY AND GEOMORPHOLOGY 9
2.1.4.1 GEOLOGIC HISTORY 9
2.1.4.2 PERIGLACIAL PROCESSES 10
2.1.5 SOILS AND PEDOGENETIC PROCESSES 12
2.1.6 HUMAN HISTORY AND IMPACT 16
2.1.6.1 HUMAN HISTORY 16
2.1.6.2 SCIENTIFIC HISTORY 17
2.1.6.3 ANTHROPOGENIC IMPACT 18
2.2 SITES AT LAKE LEVINSON-LESSING 20
2.3 SITES AT LAKE LABAZ 22
3. STATE OF THE ART 24
3.1 MICROBIOTA IN ARCTIC SOILS 24
3.1.1 COMMUNITY STRUCTURE 24
3.1.2 MICROBIAL ECOLOGY 28
3.1.2.1 ABIOTIC FACTORS 28
3.1.2.2 BIOTIC FACTORS 30
3.1.2.3 MICROBIAL HABITATS 30
3.2 METHODOLOGY 32
IMAGE 3
4. MATERIALS & METHODS 35
4.1 FIELD PROCEDURES 35
4.1.1 SOIL SURVEY AND SELECTION OF SITES 35
4.1.2 PROFILE DESCRIPTION 35
4.1.3 SOIL SAMPLING 36
4.1.4 STATISTICAL CONSIDERATIONS 36
4.2 PEDOLOGICAL PARAMETERS 38
4.2.1 TOTAL AND ORGANIC CARBON (C T AND COR G ) AND TOTAL NITROGEN
CONTENTS 38 4.2.2 DETERMINATION OF SOIL PH 38
4.2.3 BULK DENSITY AND CARBON INVENTORY (C/) 38
4.2.4 PORE SIZE DISTRIBUTION 40
4.3 MICROBIAL PARAMETERS 42
4.3.1 TOTAL HYPHAL LENGTH AND FUNGAL BIOVOLUME 42
4.3.2 MICROCALORIMETRY 43
4.3.2.1 BASAL HEAT OUTPUT 44
4.3.2.2 SUBSTRATE INDUCED HEAT OUTPUT 45
4.3.3 ADENOSINE TRIPHOSPHATE 46
4.4. EXTERNAL DATA 48
4.4.1 FIELD PROCEDURE AT LABAZ 48
4.4.1.1 SOIL SURVEY AND PROFILE DESCRIPTION 48
4.4.1.2 SOIL SAMPLING 48
4.4.2 BULK DENSITY AND CARBON INVENTORY 49
4.4.3 TOTAL BACTERIAL NUMBER AND BACTERIAL BIOVOLUME 49
4.5 STATISTICS 50
4.5.1 REGRESSION ANALYSES 50
4.5.2 TESTINGOF EQUALITY OF TWO POPULATIONS 50
4.5.3 CORRELATION BETWEEN PARAMETERS 50
5. RESULTS 51
5.1 SOILS 51
5.1.1 SOIL SURVEY 51
5.1.2 SOIL PROFILE DESCRIPTION 53
5.1.2.1 SOILS AT LEVINSON-LESSING 53
5.1.2.2 SOILS AT LABAZ 59
IMAGE 4
5.2 PEDOLOGICAL PARAMETERS 68
5.2.1 TOTAL AND ORGANIC CARBON (C T AND C ORG ) AND NITROGEN CONTENTS 68
5.2.2 SOILPH 76
5.2.3 BULK DENSITY AND CARBON INVENTORY 77
5.2.4 PORE SIZE DISTRIBUTION 79
5.3. MICROBIAL PARAMETERS 82
5.3.1 FUNGI 82
5.3.2 BACTERIA ; 88
5.3.3 MICROCALORIMETRY 90
5.3.3.1 BASAL HEAT OUTPUT (Q) 90
5.3.3.2 SUBSTRATE INDUCED HEAT OUTPUT (SIQ) 95
5.3.4 ADENOSINE TRIPHOSPHATE 96
5.4 ECOLOGICAL PARAMETERS 101
5.4.1 FUNGAL TO BACTERIAL RATIO 101
5.4.2 CALORIC QUOTIENT 102
5.4.3 MICROBIAL INVENTORY 103
5.4.4 ALLOCATION OF MICROBIAL ACTIVITY 107
5.4.5 CONTROLS OF MICROBIAL HABITATS I LL
6. DISCUSSION 115
6.1 MICROBIAL POOL IN TUNDRA SOILS 115
6.1.1 VERTICAL DISTRIBUTION 115
6.1.2 VARIATION BETWEEN SITES 118
6.2 SPOTTING THE ACTIVE MICROBIAL POOL 121
6.3 MICROBIAL HABITATS IN TUNDRA SOILS 132
6.3.1 TOPSOILS 132
6.3.1.1 WET TOPSOILS 132
6.3.1.2 DRY TOPSOILS 133
6.3.2 FRONTIER 136
6.3.3 SUBSOILS 141
6.4 TUNDRA SOILS IN A CHANGING CLIMATE 143
6.5 FUTURE RESEARCH NEEDS 146
7. REFERENCES 148
8. APPENDICES 164
|
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| geographic | Taimyr (DE-588)4408672-6 gnd |
| geographic_facet | Taimyr |
| id | DE-604.BV012985592 |
| illustrated | Illustrated |
| indexdate | 2024-12-20T10:39:36Z |
| institution | BVB |
| language | English German |
| oai_aleph_id | oai:aleph.bib-bvb.de:BVB01-008846762 |
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| physical | XVIII, 183 S. graph. Darst., Kt. |
| publishDate | 1999 |
| publishDateSearch | 1999 |
| publishDateSort | 1999 |
| publisher | Alfred-Wegener-Inst. für Meeres- und Polarforschung |
| record_format | marc |
| series | Berichte zur Polarforschung |
| series2 | Berichte zur Polarforschung |
| spellingShingle | Schmidt, Nicole 1968- Microbial properties and habitats of permafrost soils on Taimyr Peninsula, Central Siberia = Mikrobiologische Eigenschaften und Habitate in Permafrostböden der Taimyr-Halbinsel, Mittelsibirien Berichte zur Polarforschung Mikrobiologie (DE-588)4316357-9 gnd Dauerfrostboden (DE-588)4129794-5 gnd |
| subject_GND | (DE-588)4316357-9 (DE-588)4129794-5 (DE-588)4408672-6 (DE-588)4113937-9 |
| title | Microbial properties and habitats of permafrost soils on Taimyr Peninsula, Central Siberia = Mikrobiologische Eigenschaften und Habitate in Permafrostböden der Taimyr-Halbinsel, Mittelsibirien |
| title_alt | Mikrobiologische Eigenschaften und Habitate in Permafrostböden der Taimyr-Halbinsel, Mittelsibirien |
| title_auth | Microbial properties and habitats of permafrost soils on Taimyr Peninsula, Central Siberia = Mikrobiologische Eigenschaften und Habitate in Permafrostböden der Taimyr-Halbinsel, Mittelsibirien |
| title_exact_search | Microbial properties and habitats of permafrost soils on Taimyr Peninsula, Central Siberia = Mikrobiologische Eigenschaften und Habitate in Permafrostböden der Taimyr-Halbinsel, Mittelsibirien |
| title_full | Microbial properties and habitats of permafrost soils on Taimyr Peninsula, Central Siberia = Mikrobiologische Eigenschaften und Habitate in Permafrostböden der Taimyr-Halbinsel, Mittelsibirien Nicolé Schmidt |
| title_fullStr | Microbial properties and habitats of permafrost soils on Taimyr Peninsula, Central Siberia = Mikrobiologische Eigenschaften und Habitate in Permafrostböden der Taimyr-Halbinsel, Mittelsibirien Nicolé Schmidt |
| title_full_unstemmed | Microbial properties and habitats of permafrost soils on Taimyr Peninsula, Central Siberia = Mikrobiologische Eigenschaften und Habitate in Permafrostböden der Taimyr-Halbinsel, Mittelsibirien Nicolé Schmidt |
| title_short | Microbial properties and habitats of permafrost soils on Taimyr Peninsula, Central Siberia |
| title_sort | microbial properties and habitats of permafrost soils on taimyr peninsula central siberia mikrobiologische eigenschaften und habitate in permafrostboden der taimyr halbinsel mittelsibirien |
| title_sub | = Mikrobiologische Eigenschaften und Habitate in Permafrostböden der Taimyr-Halbinsel, Mittelsibirien |
| topic | Mikrobiologie (DE-588)4316357-9 gnd Dauerfrostboden (DE-588)4129794-5 gnd |
| topic_facet | Mikrobiologie Dauerfrostboden Taimyr Hochschulschrift |
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