Pollen‐based biome reconstruction for southern Europe and Africa 18,000 yr bp
Identifieur interne : 000196 ( France/Analysis ); précédent : 000195; suivant : 000197Pollen‐based biome reconstruction for southern Europe and Africa 18,000 yr bp
Auteurs : H. Elenga [France] ; O. Peyron ; R. Bonnefille ; D. Jolly [France] ; R. Cheddadi ; J. Guiot ; V. Andrieu ; S. Bottema ; G. Buchet ; J. De Beaulieu ; A. C. Hamilton ; J. Maley ; R. Marchant ; R. Perez-Obiol ; M. Reille ; G. Riollet ; L. Scott ; H. Straka ; D. Taylor ; E. Van Campo [France] ; A. Vincens ; F. Laarif ; H. JonsonSource :
- Journal of Biogeography [ 0305-0270 ] ; 2000-05.
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English descriptors
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Abstract
Pollen data from 18,000 14C yr bp were compiled in order to reconstruct biome distributions at the last glacial maximum in southern Europe and Africa. Biome reconstructions were made using the objective biomization method applied to pollen counts using a complete list of dryland taxa wherever possible. Consistent and major differences from present‐day biomes are shown. Forest and xerophytic woods/scrub were replaced by steppe, both in the Mediterranean region and in southern Africa, except in south‐western Cape Province where fynbos (xerophytic scrub) persisted. Sites in the tropical highlands, characterized today by evergreen forest, were dominated by steppe and/or xerophytic vegetation (cf. today’s Ericaceous belt and Afroalpine grassland) at the last glacial maximum. Available data from the tropical lowlands are sparse but suggest that the modern tropical rain forest was largely replaced by tropical seasonal forest while the modern seasonal or dry forests were encroached on by savanna or steppe. Montane forest elements descended to lower elevations than today.
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DOI: 10.1046/j.1365-2699.2000.00430.x
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Elenga</name><affiliation></affiliation><affiliation></affiliation><affiliation wicri:level="1"><country wicri:rule="url">France</country></affiliation></author><author><name sortKey="Peyron, O" sort="Peyron, O" uniqKey="Peyron O" first="O." last="Peyron">O. Peyron</name><affiliation></affiliation><affiliation><wicri:noCountry code="subField"></wicri:noCountry></affiliation></author><author><name sortKey="Bonnefille, R" sort="Bonnefille, R" uniqKey="Bonnefille R" first="R." last="Bonnefille">R. Bonnefille</name><affiliation></affiliation><affiliation><wicri:noCountry code="subField"></wicri:noCountry></affiliation></author><author><name sortKey="Jolly, D" sort="Jolly, D" uniqKey="Jolly D" first="D." last="Jolly">D. 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Van Campo</name><affiliation wicri:level="3"><country xml:lang="fr">France</country><wicri:regionArea>Laboratoire d’Ecologie Terrestre, CNRS‐UPS, 13 Avenue du Colonel Roche, BP 4403, 31405 Toulouse Cedex 4</wicri:regionArea><placeName><region type="region" nuts="2">Occitanie (région administrative)</region><region type="old region" nuts="2">Midi-Pyrénées</region><settlement type="city">Toulouse</settlement></placeName></affiliation></author><author><name sortKey="Vincens, A" sort="Vincens, A" uniqKey="Vincens A" first="A." last="Vincens">A. Vincens</name><affiliation><wicri:noCountry code="subField"></wicri:noCountry></affiliation></author><author><name sortKey="Laarif, F" sort="Laarif, F" uniqKey="Laarif F" first="F." last="Laarif">F. Laarif</name><affiliation><wicri:noCountry code="subField"></wicri:noCountry></affiliation></author><author><name sortKey="Jonson, H" sort="Jonson, H" uniqKey="Jonson H" first="H." last="Jonson">H. Jonson</name><affiliation><wicri:noCountry code="subField"></wicri:noCountry></affiliation></author></analytic><monogr></monogr><series><title level="j">Journal of Biogeography</title><idno type="ISSN">0305-0270</idno><idno type="eISSN">1365-2699</idno><imprint><publisher>Blackwell Science Ltd</publisher><pubPlace>Oxford, UK</pubPlace><date type="published" when="2000-05">2000-05</date><biblScope unit="volume">27</biblScope><biblScope unit="issue">3</biblScope><biblScope unit="page" from="621">621</biblScope><biblScope unit="page" to="634">634</biblScope></imprint><idno type="ISSN">0305-0270</idno></series><idno type="istex">D536AAA58FA621C362DCC6C5E278EC116EF0AF7E</idno><idno type="DOI">10.1046/j.1365-2699.2000.00430.x</idno><idno type="ArticleID">JBI430</idno></biblStruct></sourceDesc><seriesStmt><idno type="ISSN">0305-0270</idno></seriesStmt></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Africa</term><term>Europe</term><term>Pollen data</term><term>biomes</term><term>last glacial maximum</term><term>plant functional types</term><term>vegetation changes</term></keywords><keywords scheme="Wicri" type="geographic" xml:lang="fr"><term>Europe</term></keywords><keywords scheme="Wicri" type="topic" xml:lang="fr"><term>Afrique</term></keywords></textClass><langUsage><language ident="en">en</language></langUsage></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Pollen data from 18,000 14C yr bp were compiled in order to reconstruct biome distributions at the last glacial maximum in southern Europe and Africa. Biome reconstructions were made using the objective biomization method applied to pollen counts using a complete list of dryland taxa wherever possible. Consistent and major differences from present‐day biomes are shown. Forest and xerophytic woods/scrub were replaced by steppe, both in the Mediterranean region and in southern Africa, except in south‐western Cape Province where fynbos (xerophytic scrub) persisted. Sites in the tropical highlands, characterized today by evergreen forest, were dominated by steppe and/or xerophytic vegetation (cf. today’s Ericaceous belt and Afroalpine grassland) at the last glacial maximum. Available data from the tropical lowlands are sparse but suggest that the modern tropical rain forest was largely replaced by tropical seasonal forest while the modern seasonal or dry forests were encroached on by savanna or steppe. Montane forest elements descended to lower elevations than today.</div></front></TEI><affiliations><list><country><li>France</li></country><region><li>Midi-Pyrénées</li><li>Occitanie (région administrative)</li></region><settlement><li>Toulouse</li></settlement></list><tree><noCountry><name sortKey="Andrieu, V" sort="Andrieu, V" uniqKey="Andrieu V" first="V." last="Andrieu">V. Andrieu</name><name sortKey="Bonnefille, R" sort="Bonnefille, R" uniqKey="Bonnefille R" first="R." last="Bonnefille">R. Bonnefille</name><name sortKey="Bottema, S" sort="Bottema, S" uniqKey="Bottema S" first="S." last="Bottema">S. Bottema</name><name sortKey="Buchet, G" sort="Buchet, G" uniqKey="Buchet G" first="G." last="Buchet">G. Buchet</name><name sortKey="Cheddadi, R" sort="Cheddadi, R" uniqKey="Cheddadi R" first="R." last="Cheddadi">R. Cheddadi</name><name sortKey="De Beaulieu, J" sort="De Beaulieu, J" uniqKey="De Beaulieu J" first="J." last="De Beaulieu">J. De Beaulieu</name><name sortKey="Guiot, J" sort="Guiot, J" uniqKey="Guiot J" first="J." last="Guiot">J. Guiot</name><name sortKey="Hamilton, A C" sort="Hamilton, A C" uniqKey="Hamilton A" first="A. C." last="Hamilton">A. C. Hamilton</name><name sortKey="Jonson, H" sort="Jonson, H" uniqKey="Jonson H" first="H." last="Jonson">H. Jonson</name><name sortKey="Laarif, F" sort="Laarif, F" uniqKey="Laarif F" first="F." last="Laarif">F. Laarif</name><name sortKey="Maley, J" sort="Maley, J" uniqKey="Maley J" first="J." last="Maley">J. Maley</name><name sortKey="Marchant, R" sort="Marchant, R" uniqKey="Marchant R" first="R." last="Marchant">R. Marchant</name><name sortKey="Perez Biol, R" sort="Perez Biol, R" uniqKey="Perez Biol R" first="R." last="Perez-Obiol">R. Perez-Obiol</name><name sortKey="Peyron, O" sort="Peyron, O" uniqKey="Peyron O" first="O." last="Peyron">O. Peyron</name><name sortKey="Reille, M" sort="Reille, M" uniqKey="Reille M" first="M." last="Reille">M. Reille</name><name sortKey="Riollet, G" sort="Riollet, G" uniqKey="Riollet G" first="G." last="Riollet">G. Riollet</name><name sortKey="Scott, L" sort="Scott, L" uniqKey="Scott L" first="L." last="Scott">L. Scott</name><name sortKey="Straka, H" sort="Straka, H" uniqKey="Straka H" first="H." last="Straka">H. Straka</name><name sortKey="Taylor, D" sort="Taylor, D" uniqKey="Taylor D" first="D." last="Taylor">D. Taylor</name><name sortKey="Vincens, A" sort="Vincens, A" uniqKey="Vincens A" first="A." last="Vincens">A. Vincens</name></noCountry><country name="France"><noRegion><name sortKey="Elenga, H" sort="Elenga, H" uniqKey="Elenga H" first="H." last="Elenga">H. Elenga</name></noRegion><name sortKey="Jolly, D" sort="Jolly, D" uniqKey="Jolly D" first="D." last="Jolly">D. Jolly</name><name sortKey="Van Campo, E" sort="Van Campo, E" uniqKey="Van Campo E" first="E." last="Van Campo">E. Van Campo</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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