Paleovegetation reconstruction using delta C-13 of Soil Organic Matter
The relative contributions of C-3 and C-4 plants to vegetation at a given locality may be estimated by means of delta C-13 of soil organic matter. This approach holds a great potential for paleoecological reconstruction using paleosols. However, two main uncertainties exist, which limits the accurac...
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ftpekinguniv:oai:localhost:20.500.11897/397408 2023-05-15T14:00:44+02:00 Paleovegetation reconstruction using delta C-13 of Soil Organic Matter Wang, G. Feng, X. Han, J. Zhou, L. Tan, W. Su, F. Wang, G (reprint author), China Agr Univ, Coll Resources & Environm, Minist Educ, Key Lab Plant Soil Interact, Beijing 100094, Peoples R China. China Agr Univ, Coll Resources & Environm, Minist Educ, Key Lab Plant Soil Interact, Beijing 100094, Peoples R China. Dartmouth Coll, Dept Earth Sci, Hanover, NH 03755 USA. Chinese Acad Sci, Inst Geol & Geophys, Beijing 100029, Peoples R China. Peking Univ, Coll Environm Sci, MOE Lab Earth Surface Proc, Beijing 100871, Peoples R China. 2008 https://hdl.handle.net/20.500.11897/397408 en eng biogeosciences BIOGEOSCIENCES.2008,5,(5),1325-1337. 961218 1726-4170 http://hdl.handle.net/20.500.11897/397408 WOS:000260059700010 SCI CARBON-ISOTOPE RATIOS CHINESE LOESS PLATEAU WATER-USE EFFICIENCY RAINFALL GRADIENT ATMOSPHERIC CO2 NATURAL-ABUNDANCE C-13/C-12 RATIOS ANTARCTIC ICE C-4 GRASSES PLANTS Journal 2008 ftpekinguniv https://doi.org/20.500.11897/397408 2021-08-01T10:23:39Z The relative contributions of C-3 and C-4 plants to vegetation at a given locality may be estimated by means of delta C-13 of soil organic matter. This approach holds a great potential for paleoecological reconstruction using paleosols. However, two main uncertainties exist, which limits the accuracy of this application. One is C-13-enrichment as the plant carbon becomes incorporated into soil organic matter. The other is due to environmental influences on delta C-13 of plants. Two types of data were collected and analyzed with an objective of narrowing the error of paleovegetation reconstruction. First, we investigated delta C-13 variations of 557 C-3 and 136 C-4 plants along a precipitation gradient in North China. A strong negative correlation is found between the delta C-13 value of C-3 plants averaged for each site and the annual precipitation with a coefficient of -0.40 parts per thousand/100mm, while no significant coefficients were found for C-4 plants. Second, we measured delta C-13 of soil organic matters for 14 soil profiles at three sites. The isotopic difference between vegetation and soil organic matter are evaluated to be 1.8 parts per thousand for the surface soil and 2.8 parts per thousand for the soil at the bottom of soil profiles. We conducted a sample reconstruction of paleovegetation at the central Chinese Loess Plateau during the Holocene and the Last Glacial (LG), and conclude that, without corrections for C-13-enrichment by decomposition, the C-4 abundance would be overestimated. The importance and uncertainties of other corrections are also discussed. Ecology Geosciences, Multidisciplinary SCI(E) 29 ARTICLE 5 1325-1337 5 Journal/Newspaper Antarc* Antarctic Peking University Institutional Repository (PKU IR) Antarctic |
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Open Polar |
collection |
Peking University Institutional Repository (PKU IR) |
op_collection_id |
ftpekinguniv |
language |
English |
topic |
CARBON-ISOTOPE RATIOS CHINESE LOESS PLATEAU WATER-USE EFFICIENCY RAINFALL GRADIENT ATMOSPHERIC CO2 NATURAL-ABUNDANCE C-13/C-12 RATIOS ANTARCTIC ICE C-4 GRASSES PLANTS |
spellingShingle |
CARBON-ISOTOPE RATIOS CHINESE LOESS PLATEAU WATER-USE EFFICIENCY RAINFALL GRADIENT ATMOSPHERIC CO2 NATURAL-ABUNDANCE C-13/C-12 RATIOS ANTARCTIC ICE C-4 GRASSES PLANTS Wang, G. Feng, X. Han, J. Zhou, L. Tan, W. Su, F. Paleovegetation reconstruction using delta C-13 of Soil Organic Matter |
topic_facet |
CARBON-ISOTOPE RATIOS CHINESE LOESS PLATEAU WATER-USE EFFICIENCY RAINFALL GRADIENT ATMOSPHERIC CO2 NATURAL-ABUNDANCE C-13/C-12 RATIOS ANTARCTIC ICE C-4 GRASSES PLANTS |
description |
The relative contributions of C-3 and C-4 plants to vegetation at a given locality may be estimated by means of delta C-13 of soil organic matter. This approach holds a great potential for paleoecological reconstruction using paleosols. However, two main uncertainties exist, which limits the accuracy of this application. One is C-13-enrichment as the plant carbon becomes incorporated into soil organic matter. The other is due to environmental influences on delta C-13 of plants. Two types of data were collected and analyzed with an objective of narrowing the error of paleovegetation reconstruction. First, we investigated delta C-13 variations of 557 C-3 and 136 C-4 plants along a precipitation gradient in North China. A strong negative correlation is found between the delta C-13 value of C-3 plants averaged for each site and the annual precipitation with a coefficient of -0.40 parts per thousand/100mm, while no significant coefficients were found for C-4 plants. Second, we measured delta C-13 of soil organic matters for 14 soil profiles at three sites. The isotopic difference between vegetation and soil organic matter are evaluated to be 1.8 parts per thousand for the surface soil and 2.8 parts per thousand for the soil at the bottom of soil profiles. We conducted a sample reconstruction of paleovegetation at the central Chinese Loess Plateau during the Holocene and the Last Glacial (LG), and conclude that, without corrections for C-13-enrichment by decomposition, the C-4 abundance would be overestimated. The importance and uncertainties of other corrections are also discussed. Ecology Geosciences, Multidisciplinary SCI(E) 29 ARTICLE 5 1325-1337 5 |
author2 |
Wang, G (reprint author), China Agr Univ, Coll Resources & Environm, Minist Educ, Key Lab Plant Soil Interact, Beijing 100094, Peoples R China. China Agr Univ, Coll Resources & Environm, Minist Educ, Key Lab Plant Soil Interact, Beijing 100094, Peoples R China. Dartmouth Coll, Dept Earth Sci, Hanover, NH 03755 USA. Chinese Acad Sci, Inst Geol & Geophys, Beijing 100029, Peoples R China. Peking Univ, Coll Environm Sci, MOE Lab Earth Surface Proc, Beijing 100871, Peoples R China. |
format |
Journal/Newspaper |
author |
Wang, G. Feng, X. Han, J. Zhou, L. Tan, W. Su, F. |
author_facet |
Wang, G. Feng, X. Han, J. Zhou, L. Tan, W. Su, F. |
author_sort |
Wang, G. |
title |
Paleovegetation reconstruction using delta C-13 of Soil Organic Matter |
title_short |
Paleovegetation reconstruction using delta C-13 of Soil Organic Matter |
title_full |
Paleovegetation reconstruction using delta C-13 of Soil Organic Matter |
title_fullStr |
Paleovegetation reconstruction using delta C-13 of Soil Organic Matter |
title_full_unstemmed |
Paleovegetation reconstruction using delta C-13 of Soil Organic Matter |
title_sort |
paleovegetation reconstruction using delta c-13 of soil organic matter |
publisher |
biogeosciences |
publishDate |
2008 |
url |
https://hdl.handle.net/20.500.11897/397408 |
geographic |
Antarctic |
geographic_facet |
Antarctic |
genre |
Antarc* Antarctic |
genre_facet |
Antarc* Antarctic |
op_source |
SCI |
op_relation |
BIOGEOSCIENCES.2008,5,(5),1325-1337. 961218 1726-4170 http://hdl.handle.net/20.500.11897/397408 WOS:000260059700010 |
op_doi |
https://doi.org/20.500.11897/397408 |
_version_ |
1766270070186573824 |