Plant biomarkers in aerosols record isotopic discrimination of terrestrial photosynthesis
Carbon uptake by the oceans and by the terrestrial biosphere can be partitioned using changes in the 12 C/ 13 C isotopic ratio (δ 13 C) of atmospheric carbon dioxide 1 , 2 , 3 , 4 , because terrestrial photosynthesis strongly discriminates against 13 CO 2 , whereas ocean uptake does not. This approa...
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| Veröffentlicht in: | Nature (London) 2002-06, Vol.417 (6889), p.639-641 |
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| creator | Conte, Maureen H. Weber, John C. |
| description | Carbon uptake by the oceans and by the terrestrial biosphere can be partitioned using changes in the
12
C/
13
C isotopic ratio (δ
13
C) of atmospheric carbon dioxide
1
,
2
,
3
,
4
, because terrestrial photosynthesis strongly discriminates against
13
CO
2
, whereas ocean uptake does not. This approach depends on accurate estimates of the carbon isotopic discrimination of terrestrial photosynthesis (
Δ
; ref.
5
) at large regional scales
6
, yet terrestrial ecosystem heterogeneity
7
makes such estimates problematic. Here we show that ablated plant wax compounds in continental air masses can be used to estimate
Δ
over large spatial scales and at less than monthly temporal resolution. We measured plant waxes in continental air masses advected to Bermuda, which are mainly of North American origin, and used the wax isotopic composition to estimate
Δ
simply. Our estimates indicate a large (5–6‰) seasonal variation in
Δ
of the temperate North American biosphere, with maximum discrimination occurring in late spring, coincident with the onset of production. We suggest that the observed seasonality arises from several factors, including seasonal shifts in the proportions of production by C
3
and C
4
plants, and environmentally controlled adjustments in the photosynthetic discrimination of C
3
-plant-dominated ecosystems. |
| doi_str_mv | 10.1038/nature00777 |
| format | Article |
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12
C/
13
C isotopic ratio (δ
13
C) of atmospheric carbon dioxide
1
,
2
,
3
,
4
, because terrestrial photosynthesis strongly discriminates against
13
CO
2
, whereas ocean uptake does not. This approach depends on accurate estimates of the carbon isotopic discrimination of terrestrial photosynthesis (
Δ
; ref.
5
) at large regional scales
6
, yet terrestrial ecosystem heterogeneity
7
makes such estimates problematic. Here we show that ablated plant wax compounds in continental air masses can be used to estimate
Δ
over large spatial scales and at less than monthly temporal resolution. We measured plant waxes in continental air masses advected to Bermuda, which are mainly of North American origin, and used the wax isotopic composition to estimate
Δ
simply. Our estimates indicate a large (5–6‰) seasonal variation in
Δ
of the temperate North American biosphere, with maximum discrimination occurring in late spring, coincident with the onset of production. We suggest that the observed seasonality arises from several factors, including seasonal shifts in the proportions of production by C
3
and C
4
plants, and environmentally controlled adjustments in the photosynthetic discrimination of C
3
-plant-dominated ecosystems.</description><identifier>ISSN: 0028-0836</identifier><identifier>EISSN: 1476-4687</identifier><identifier>DOI: 10.1038/nature00777</identifier><identifier>PMID: 12050663</identifier><identifier>CODEN: NATUAS</identifier><language>eng</language><publisher>London: Nature Publishing Group UK</publisher><subject>Aerosols ; Aerosols - chemistry ; Air masses ; Animal and plant ecology ; Animal, plant and microbial ecology ; Atmosphere - chemistry ; Autoecology ; Bermuda ; Biological and medical sciences ; Biomarkers - analysis ; Biosphere ; Carbon ; Carbon dioxide ; Carbon Dioxide - metabolism ; Carbon Isotopes - metabolism ; Ecosystem ; Flowers & plants ; Fundamental and applied biological sciences. Psychology ; Heterogeneity ; Humanities and Social Sciences ; Isotopes ; letter ; Marine ecosystems ; multidisciplinary ; North America ; Oceans ; Photosynthesis ; Plants - metabolism ; Plants and fungi ; Science ; Science (multidisciplinary) ; Seasonal variations ; Seasons ; Terrestrial environments ; Waxes - chemistry ; Waxes - metabolism</subject><ispartof>Nature (London), 2002-06, Vol.417 (6889), p.639-641</ispartof><rights>Macmillan Magazines Ltd. 2002</rights><rights>2002 INIST-CNRS</rights><rights>COPYRIGHT 2002 Nature Publishing Group</rights><rights>Copyright Macmillan Journals Ltd. Jun 6, 2002</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c712t-72e85d71896027c0958f719186baf022e3b8594605c68dc3cec52c205e74477d3</citedby><cites>FETCH-LOGICAL-c712t-72e85d71896027c0958f719186baf022e3b8594605c68dc3cec52c205e74477d3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1038/nature00777$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1038/nature00777$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>314,776,780,27901,27902,41464,42533,51294</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=13684798$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/12050663$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Conte, Maureen H.</creatorcontrib><creatorcontrib>Weber, John C.</creatorcontrib><title>Plant biomarkers in aerosols record isotopic discrimination of terrestrial photosynthesis</title><title>Nature (London)</title><addtitle>Nature</addtitle><addtitle>Nature</addtitle><description>Carbon uptake by the oceans and by the terrestrial biosphere can be partitioned using changes in the
12
C/
13
C isotopic ratio (δ
13
C) of atmospheric carbon dioxide
1
,
2
,
3
,
4
, because terrestrial photosynthesis strongly discriminates against
13
CO
2
, whereas ocean uptake does not. This approach depends on accurate estimates of the carbon isotopic discrimination of terrestrial photosynthesis (
Δ
; ref.
5
) at large regional scales
6
, yet terrestrial ecosystem heterogeneity
7
makes such estimates problematic. Here we show that ablated plant wax compounds in continental air masses can be used to estimate
Δ
over large spatial scales and at less than monthly temporal resolution. We measured plant waxes in continental air masses advected to Bermuda, which are mainly of North American origin, and used the wax isotopic composition to estimate
Δ
simply. Our estimates indicate a large (5–6‰) seasonal variation in
Δ
of the temperate North American biosphere, with maximum discrimination occurring in late spring, coincident with the onset of production. We suggest that the observed seasonality arises from several factors, including seasonal shifts in the proportions of production by C
3
and C
4
plants, and environmentally controlled adjustments in the photosynthetic discrimination of C
3
-plant-dominated ecosystems.</description><subject>Aerosols</subject><subject>Aerosols - chemistry</subject><subject>Air masses</subject><subject>Animal and plant ecology</subject><subject>Animal, plant and microbial ecology</subject><subject>Atmosphere - chemistry</subject><subject>Autoecology</subject><subject>Bermuda</subject><subject>Biological and medical sciences</subject><subject>Biomarkers - analysis</subject><subject>Biosphere</subject><subject>Carbon</subject><subject>Carbon dioxide</subject><subject>Carbon Dioxide - metabolism</subject><subject>Carbon Isotopes - metabolism</subject><subject>Ecosystem</subject><subject>Flowers & plants</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>Heterogeneity</subject><subject>Humanities and Social Sciences</subject><subject>Isotopes</subject><subject>letter</subject><subject>Marine ecosystems</subject><subject>multidisciplinary</subject><subject>North America</subject><subject>Oceans</subject><subject>Photosynthesis</subject><subject>Plants - metabolism</subject><subject>Plants and fungi</subject><subject>Science</subject><subject>Science (multidisciplinary)</subject><subject>Seasonal variations</subject><subject>Seasons</subject><subject>Terrestrial environments</subject><subject>Waxes - chemistry</subject><subject>Waxes - metabolism</subject><issn>0028-0836</issn><issn>1476-4687</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2002</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><sourceid>8G5</sourceid><sourceid>BEC</sourceid><sourceid>BENPR</sourceid><sourceid>GUQSH</sourceid><sourceid>M2O</sourceid><recordid>eNqF0t9r1EAQB_Agij2rT75LECqIps5u9lcej8NqoahoRXwKe5vJdWuym-4mYP_7brmD68nJkYdA9pOZyeSbZS8JnBIo1QenxykggJTyUTYjTIqCCSUfZzMAqgpQpTjKnsV4DQCcSPY0OyIUOAhRzrLf3zrtxnxpfa_DHwwxty7XGHz0XcwDGh-a3EY_-sGavLHRBNvb1NJ6l_s2HzEEjGOwusuHq8TirRuvMNr4PHvS6i7ii839OPt59vFy8bm4-PrpfDG_KIwkdCwkRcUbSVQlgEoDFVetJBVRYqlboBTLpeIVE8CNUI0pDRpOTZofJWNSNuVx9mZddwj-Zkqz1H2aErv0XeinWEsilUq7OQipFIzSkh6ERDGoCBeHIRM0Vb1v_fofeO2n4NJaagqMQ_pnJKFijVa6w9q61o9BmxU6DLrzDlubHs-JkpxyINW26I43g72pH6LTPShdDfbW7K36dueFZEb8O670FGN9_uP7rn33fzu__LX4sleblK4YsK2HlCUdbmsC9X2S6wdJTvrVZmXTssdmazfRTeBkA3Q0umuDdsbGrSuFYrJSyb1fu5iO3ArDdvf7-t4BKfYG6g</recordid><startdate>20020606</startdate><enddate>20020606</enddate><creator>Conte, Maureen H.</creator><creator>Weber, John C.</creator><general>Nature Publishing Group UK</general><general>Nature Publishing</general><general>Nature Publishing Group</general><scope>IQODW</scope><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>ATWCN</scope><scope>3V.</scope><scope>7QG</scope><scope>7QL</scope><scope>7QP</scope><scope>7QR</scope><scope>7RV</scope><scope>7SN</scope><scope>7SS</scope><scope>7ST</scope><scope>7T5</scope><scope>7TG</scope><scope>7TK</scope><scope>7TM</scope><scope>7TO</scope><scope>7U9</scope><scope>7X2</scope><scope>7X7</scope><scope>7XB</scope><scope>88A</scope><scope>88E</scope><scope>88G</scope><scope>88I</scope><scope>8AF</scope><scope>8AO</scope><scope>8C1</scope><scope>8FD</scope><scope>8FE</scope><scope>8FG</scope><scope>8FH</scope><scope>8FI</scope><scope>8FJ</scope><scope>8FK</scope><scope>8G5</scope><scope>ABJCF</scope><scope>ABUWG</scope><scope>AEUYN</scope><scope>AFKRA</scope><scope>ARAPS</scope><scope>ATCPS</scope><scope>AZQEC</scope><scope>BBNVY</scope><scope>BEC</scope><scope>BENPR</scope><scope>BGLVJ</scope><scope>BHPHI</scope><scope>BKSAR</scope><scope>C1K</scope><scope>CCPQU</scope><scope>D1I</scope><scope>DWQXO</scope><scope>FR3</scope><scope>FYUFA</scope><scope>GHDGH</scope><scope>GNUQQ</scope><scope>GUQSH</scope><scope>H94</scope><scope>HCIFZ</scope><scope>K9.</scope><scope>KB.</scope><scope>KB0</scope><scope>KL.</scope><scope>L6V</scope><scope>LK8</scope><scope>M0K</scope><scope>M0S</scope><scope>M1P</scope><scope>M2M</scope><scope>M2O</scope><scope>M2P</scope><scope>M7N</scope><scope>M7P</scope><scope>M7S</scope><scope>MBDVC</scope><scope>NAPCQ</scope><scope>P5Z</scope><scope>P62</scope><scope>P64</scope><scope>PATMY</scope><scope>PCBAR</scope><scope>PDBOC</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PSYQQ</scope><scope>PTHSS</scope><scope>PYCSY</scope><scope>Q9U</scope><scope>R05</scope><scope>RC3</scope><scope>S0X</scope><scope>SOI</scope><scope>H8D</scope><scope>L7M</scope><scope>7X8</scope></search><sort><creationdate>20020606</creationdate><title>Plant biomarkers in aerosols record isotopic discrimination of terrestrial photosynthesis</title><author>Conte, Maureen H. ; Weber, John C.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c712t-72e85d71896027c0958f719186baf022e3b8594605c68dc3cec52c205e74477d3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2002</creationdate><topic>Aerosols</topic><topic>Aerosols - chemistry</topic><topic>Air masses</topic><topic>Animal and plant ecology</topic><topic>Animal, plant and microbial ecology</topic><topic>Atmosphere - chemistry</topic><topic>Autoecology</topic><topic>Bermuda</topic><topic>Biological and medical sciences</topic><topic>Biomarkers - analysis</topic><topic>Biosphere</topic><topic>Carbon</topic><topic>Carbon dioxide</topic><topic>Carbon Dioxide - metabolism</topic><topic>Carbon Isotopes - metabolism</topic><topic>Ecosystem</topic><topic>Flowers & plants</topic><topic>Fundamental and applied biological sciences. 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Academic</collection><jtitle>Nature (London)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Conte, Maureen H.</au><au>Weber, John C.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Plant biomarkers in aerosols record isotopic discrimination of terrestrial photosynthesis</atitle><jtitle>Nature (London)</jtitle><stitle>Nature</stitle><addtitle>Nature</addtitle><date>2002-06-06</date><risdate>2002</risdate><volume>417</volume><issue>6889</issue><spage>639</spage><epage>641</epage><pages>639-641</pages><issn>0028-0836</issn><eissn>1476-4687</eissn><coden>NATUAS</coden><abstract>Carbon uptake by the oceans and by the terrestrial biosphere can be partitioned using changes in the
12
C/
13
C isotopic ratio (δ
13
C) of atmospheric carbon dioxide
1
,
2
,
3
,
4
, because terrestrial photosynthesis strongly discriminates against
13
CO
2
, whereas ocean uptake does not. This approach depends on accurate estimates of the carbon isotopic discrimination of terrestrial photosynthesis (
Δ
; ref.
5
) at large regional scales
6
, yet terrestrial ecosystem heterogeneity
7
makes such estimates problematic. Here we show that ablated plant wax compounds in continental air masses can be used to estimate
Δ
over large spatial scales and at less than monthly temporal resolution. We measured plant waxes in continental air masses advected to Bermuda, which are mainly of North American origin, and used the wax isotopic composition to estimate
Δ
simply. Our estimates indicate a large (5–6‰) seasonal variation in
Δ
of the temperate North American biosphere, with maximum discrimination occurring in late spring, coincident with the onset of production. We suggest that the observed seasonality arises from several factors, including seasonal shifts in the proportions of production by C
3
and C
4
plants, and environmentally controlled adjustments in the photosynthetic discrimination of C
3
-plant-dominated ecosystems.</abstract><cop>London</cop><pub>Nature Publishing Group UK</pub><pmid>12050663</pmid><doi>10.1038/nature00777</doi><tpages>3</tpages></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 0028-0836 |
| ispartof | Nature (London), 2002-06, Vol.417 (6889), p.639-641 |
| issn | 0028-0836 1476-4687 |
| language | eng |
| recordid | cdi_proquest_miscellaneous_71788777 |
| source | MEDLINE; Springer Nature - Complete Springer Journals; Nature Journals Online |
| subjects | Aerosols Aerosols - chemistry Air masses Animal and plant ecology Animal, plant and microbial ecology Atmosphere - chemistry Autoecology Bermuda Biological and medical sciences Biomarkers - analysis Biosphere Carbon Carbon dioxide Carbon Dioxide - metabolism Carbon Isotopes - metabolism Ecosystem Flowers & plants Fundamental and applied biological sciences. Psychology Heterogeneity Humanities and Social Sciences Isotopes letter Marine ecosystems multidisciplinary North America Oceans Photosynthesis Plants - metabolism Plants and fungi Science Science (multidisciplinary) Seasonal variations Seasons Terrestrial environments Waxes - chemistry Waxes - metabolism |
| title | Plant biomarkers in aerosols record isotopic discrimination of terrestrial photosynthesis |
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