Evaluation of carbon sequestration potential in agricultural soils in Baden-Württemberg, South West Germany:
Gespeichert in:
| 1. Verfasser: | |
|---|---|
| Format: | Abschlussarbeit Buch |
| Sprache: | English |
| Veröffentlicht: |
Stuttgart
Univ. Hohenheim
2007
|
| Schriftenreihe: | Hohenheimer bodenkundliche Hefte
82 |
| Schlagworte: | |
| Online-Zugang: | Inhaltsverzeichnis |
| Beschreibung: | Paralleltitel: Bewertung des Kohlenstoffbindungspotenzials in landwirtschaftlich genutzten Böden in Baden-Württemberg, Südwest-Deutschland |
| Beschreibung: | 164 S. Ill., graph. Darst. |
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| 245 | 1 | 0 | |a Evaluation of carbon sequestration potential in agricultural soils in Baden-Württemberg, South West Germany |c Haiqing Chen |
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| 500 | |a Paralleltitel: Bewertung des Kohlenstoffbindungspotenzials in landwirtschaftlich genutzten Böden in Baden-Württemberg, Südwest-Deutschland | ||
| 502 | |a Zugl.: Hohenheim, Univ., Diss., 2007 | ||
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Datensatz im Suchindex
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| adam_text | Table of contents
Table of contents
Table of contents___..___™___________________.___„_______.____„__..___
1 Introduction «¦••¦»•••¦ *••*•• ••••• «.. •¦• »••••*. ¦• ... „ 5
2 State of the art___„.___....________„___„_________._____„__.____„____„„___.___„„„... 9
2.1 Global carbon cycle..........................................................................................................9
2.2 Soil carbon sequestration................................................................................................10
2.2.1 Definition.................................................................................................................10
2.2.2 Management options for carbon sequestration.........................................................10
2.2.3 Duration of soil C sequestration and permanence of soil C sink.............................12
2.3 Soil organic matter turnover...........................................................................................14
2.3.1 I3C or 14C labelling method to trace the turnover of organic matter........................14
2.3.2 Modelling of organic matter turnover......................................................................14
2.3.3 Effects of nitrogen and disturbance on plant residue and SOM decomposition......IS
2.4 Net ecosystem CO2 exchange.........................................................................................16
2.4.1 Introduction..............................................................................................................16
2.4.2 Methods of measuring NEE.....................................................................................17
3 Soil organic carbon and total N stocks as affected by different land uses in
Baden-Wflrttemberg, southwest Germany____________________________________19
3.1 Introduction.....................................................................................................................19
3.2 Materials and methods....................................................................................................19
3.2.1 Sites description.......................................................................................................19
3.2.2 Soil sampling............................................................................................................25
3.2.3 Soil analysis..............................................................................................................26
3.2.4 Calculations and statistical analysis.........................................................................27
3.3 Results.............................................................................................................................28
3.3.1 Profile.......................................................................................................................28
3.3.2 Surface soil...............................................................................................................33
3.3.2.1 Soil organic C and total N contents...................................................................33
3.3.2.2 Bulk density.......................................................................................................33
3.3.2.3 Soil organic C and total N stocks.......................................................................34
3.3.2.4 Correlation between clay contents and SOC stocks..........................................35
3.3.2.5 Impact of climate on the SOC stocks.................................................................35
3.4 Discussion.......................................................................................................................43
3.4.1 Effects of land uses on SOC and total N stocks.......................................................43
3.4.2 Relationships between SOC content and climatic and edaphic variables................46
3.5 Conclusions of experiment of SOC and TN stocks as affected by different land uses ..47
4 Effects of nitrogen and intensive mixing on decomposition of I4C-tabelled maize
(Zea mays L.) residue in soils of different land use types................................................49
4.1 Introduction.....................................................................................................................49
4.2 Materials and methods....................................................................................................49
4.2.1 Soils..........................................................................................................................49
4.2.2 Incubation.................................................................................................................50
Table of contents
4.2.3 Analysis....................................................................................................................51
4.2.4 Calculations and statistical analysis.........................................................................51
4.3 Results.............................................................................................................................53
4.3.1 Effects of land use types on decomposition of 14C-IabeIled maize residue
(Zea mays L.)...........................................................................................................53
4.3.1.1 Mineralization of the native soil organic carbon...............................................53
4.3.1.2 Total CO2 efflux after plant residue addition.....................................................56
4.3.1.3 Decomposition of I4C-labelled maize residue...................................................56
4.3.2 Effects of nitrogen and intensive mixing on decomposition of l4C-labelled maize
(Zea mays L.) residue in soils of different land use types.......................................59
4.3.2.1 Effect of nitrogen...............................................................................................59
4.3.2.2 Effect of intensive mixing..................................................................................64
4.4 Discussion.......................................................................................................................66
4.4.1 Effects of land use types on decomposition of l4C-labelled maize residue
(Zea mays L.)...........................................................................................................66
4.4.1.1 Mineralization of soil native carbon..................................................................66
4.4.1.2 Maize residue mineralization.............................................................................67
4.4.1.3 The double exponential carbon mineralization approach..................................68
4.4.2 Effects of nitrogen and intensive mixing on decomposition of 14C-labelled maize
(Zea mays L.) residue in soils of different land use types.......................................69
4.4.2.1 Effect of N on decomposition of 14C-labelled maize residue............................69
4.4.2.2 Effect ofN on decomposition of SOM..............................................................70
4.4.2.3 Effect of intensive soil mixing...........................................................................71
4.5 Conclusions of incubation experiments..........................................................................72
5 Comparison of net ecosystem CO2 exchange with climatical relevance from soils of
ploughed cropland and grassland under ecological conditions........____........_______75
5.1 Introduction.....................................................................................................................75
5.2 Materials and methods....................................................................................................75
5.2.1 Study site..................................................................................................................75
5.2.2 Automated net ecosystem CO2 exchange measurements.........................................75
5.2.3 Meteorology, soil and other parameter measurements.............................................78
5.3 Results.............................................................................................................................79
5.3.1 Soil physical and chemical characteristics...............................................................79
5.3.2 Weather conditions...................................................................................................80
5.3.3 Seasonal variations in NEE......................................................................................84
5.3.3.1 Definitions.........................................................................................................84
5.3.3.2 Overview of seasonal patterns of NEE..............................................................84
5.3.3.3 Daytime and nighttime NEE..............................................................................86
5.3.3.4 Daily and cumulative NEE................................................................................88
5.3.3.5 Diurnal variation in NEE...................................................................................89
5.3.3.6 Response of NEE to environmental variables...................................................9
5.4 Discussion.......................................................................................................................95
5.4.1 Carbon dioxide net ecosystem exchange.................................................................95
5.4.2 Effect of management on NEE.................................................................................96
5.4.3 Dependence on environmental parameters..............................................................91
5.5 Conclusions of NEE experiment....................................................................................98
Table of contents_____________________________________________________________3_
6 General discussion and overall conclusions---------........_____..._______.__________.99
6.1 Effects of land uses on C sequestration - overview........................................................99
6.2 Soil sampling protocol..................................................................................................100
6.3 Mechanism research.....................................................................................................102
6.4 Net ecosystem CO2 exchange experiment....................................................................104
7 Summary/Zusammenfassung ».......»...«.......».«.«....«...»»..«....«.....«.„«.»....•..„„.«....»*» 105
7.1 Summary.......................................................................................................................105
7.2 Zusammenfassung........................................................................................................108
8 References ......................................................................................................................... 112
9 Appendix______________________________________________________________125
9.1 Abbreviations................................................................................................................125
9.2 List of tables.................................................................................................................126
9.3 List of figures................................................................................................................128
9.4 Profile descriptions.......................................................................................................132
9.5 Photos...........................................................................................................................139
9.6 Data...............................................................................................................................143
10 AcknowtedsmentsM..««..«»..«HH.H.».»........................................... „„...««« ...„.«..«...162
11 Curriculum Vitae.™____™.~~.___._____~~____________-_____..._________~.~-163
|
| any_adam_object | 1 |
| author | Haiqing, Chen 1974- |
| author_GND | (DE-588)13376639X |
| author_facet | Haiqing, Chen 1974- |
| author_role | aut |
| author_sort | Haiqing, Chen 1974- |
| author_variant | c h ch |
| building | Verbundindex |
| bvnumber | BV036117313 |
| ctrlnum | (OCoLC)601829829 (DE-599)DNB987111493 |
| dewey-full | 631.417094346 |
| dewey-hundreds | 600 - Technology (Applied sciences) |
| dewey-ones | 631 - Techniques, equipment & materials |
| dewey-raw | 631.417094346 |
| dewey-search | 631.417094346 |
| dewey-sort | 3631.417094346 |
| dewey-tens | 630 - Agriculture and related technologies |
| discipline | Agrar-/Forst-/Ernährungs-/Haushaltswissenschaft / Gartenbau |
| format | Thesis Book |
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| indexdate | 2024-07-09T22:12:25Z |
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| language | English |
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| physical | 164 S. Ill., graph. Darst. |
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| series | Hohenheimer bodenkundliche Hefte |
| series2 | Hohenheimer bodenkundliche Hefte |
| spelling | Haiqing, Chen 1974- Verfasser (DE-588)13376639X aut Evaluation of carbon sequestration potential in agricultural soils in Baden-Württemberg, South West Germany Haiqing Chen Stuttgart Univ. Hohenheim 2007 164 S. Ill., graph. Darst. txt rdacontent n rdamedia nc rdacarrier Hohenheimer bodenkundliche Hefte 82 Paralleltitel: Bewertung des Kohlenstoffbindungspotenzials in landwirtschaftlich genutzten Böden in Baden-Württemberg, Südwest-Deutschland Zugl.: Hohenheim, Univ., Diss., 2007 Bodennutzung (DE-588)4007389-0 gnd rswk-swf Senke Stoffhaushalt (DE-588)4831286-1 gnd rswk-swf Kohlenstoff (DE-588)4164538-8 gnd rswk-swf Kohlendioxid (DE-588)4031648-8 gnd rswk-swf (DE-588)4113937-9 Hochschulschrift gnd-content Bodennutzung (DE-588)4007389-0 s Kohlendioxid (DE-588)4031648-8 s Kohlenstoff (DE-588)4164538-8 s Senke Stoffhaushalt (DE-588)4831286-1 s DE-604 Hohenheimer bodenkundliche Hefte 82 (DE-604)BV035362756 82 HBZ Datenaustausch application/pdf http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=019007385&sequence=000002&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA Inhaltsverzeichnis |
| spellingShingle | Haiqing, Chen 1974- Evaluation of carbon sequestration potential in agricultural soils in Baden-Württemberg, South West Germany Hohenheimer bodenkundliche Hefte Bodennutzung (DE-588)4007389-0 gnd Senke Stoffhaushalt (DE-588)4831286-1 gnd Kohlenstoff (DE-588)4164538-8 gnd Kohlendioxid (DE-588)4031648-8 gnd |
| subject_GND | (DE-588)4007389-0 (DE-588)4831286-1 (DE-588)4164538-8 (DE-588)4031648-8 (DE-588)4113937-9 |
| title | Evaluation of carbon sequestration potential in agricultural soils in Baden-Württemberg, South West Germany |
| title_auth | Evaluation of carbon sequestration potential in agricultural soils in Baden-Württemberg, South West Germany |
| title_exact_search | Evaluation of carbon sequestration potential in agricultural soils in Baden-Württemberg, South West Germany |
| title_full | Evaluation of carbon sequestration potential in agricultural soils in Baden-Württemberg, South West Germany Haiqing Chen |
| title_fullStr | Evaluation of carbon sequestration potential in agricultural soils in Baden-Württemberg, South West Germany Haiqing Chen |
| title_full_unstemmed | Evaluation of carbon sequestration potential in agricultural soils in Baden-Württemberg, South West Germany Haiqing Chen |
| title_short | Evaluation of carbon sequestration potential in agricultural soils in Baden-Württemberg, South West Germany |
| title_sort | evaluation of carbon sequestration potential in agricultural soils in baden wurttemberg south west germany |
| topic | Bodennutzung (DE-588)4007389-0 gnd Senke Stoffhaushalt (DE-588)4831286-1 gnd Kohlenstoff (DE-588)4164538-8 gnd Kohlendioxid (DE-588)4031648-8 gnd |
| topic_facet | Bodennutzung Senke Stoffhaushalt Kohlenstoff Kohlendioxid Hochschulschrift |
| url | http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=019007385&sequence=000002&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA |
| volume_link | (DE-604)BV035362756 |
| work_keys_str_mv | AT haiqingchen evaluationofcarbonsequestrationpotentialinagriculturalsoilsinbadenwurttembergsouthwestgermany |