Palynology and Mediterranean vegetation history
The history of Mediterranean vegetation can be outlined using pollen grains contained in lacustrine, marine and other sediments. These sediments have recorded very important vegetation changes during recent geological times. For example, during the last 6 Ma (million years), the effects of different...
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Online Access: | http://hdl.handle.net/11573/618818 https://doi.org/10.7320/flmedit23.141 |
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ftunivromairis:oai:iris.uniroma1.it:11573/618818 2024-01-14T10:05:06+01:00 Palynology and Mediterranean vegetation history SADORI, Laura A. Bertini N. Combourieu Nebout K. Kouli M. Mariotti Lippi N. Roberts A. m. Mercuri Sadori, Laura A., Bertini N., Combourieu Nebout K., Kouli M., Mariotti Lippi N., Robert A. m., Mercuri 2013 STAMPA http://hdl.handle.net/11573/618818 https://doi.org/10.7320/flmedit23.141 eng eng OPTIMA by the Herbarium Mediterraneum Panormitanum volume:23 firstpage:141 lastpage:156 numberofpages:16 journal:FLORA MEDITERRANEA http://hdl.handle.net/11573/618818 doi:10.7320/flmedit23.141 info:eu-repo/semantics/altIdentifier/scopus/2-s2.0-84893461524 human impact flora and vegetation history palynology climate change info:eu-repo/semantics/article 2013 ftunivromairis https://doi.org/10.7320/flmedit23.141 2023-12-20T18:01:55Z The history of Mediterranean vegetation can be outlined using pollen grains contained in lacustrine, marine and other sediments. These sediments have recorded very important vegetation changes during recent geological times. For example, during the last 6 Ma (million years), the effects of different events acting at regional (e.g. the Messinian salinity crisis between 5.96 Ma and 5.33 Ma) and global (expansion of the Arctic ice at ca 2.6 Ma) scales produced a progressive decrease and final disappearance of tropical and subtropical taxa. However, prior to the start of the Quaternary the Mediterranean flora still included a consistent number of tropical and subtropical arboreal taxa accompanying deciduous and partly evergreen trees that have persisted until today. The most important features of the vegetation history of the Quaternary consist in the fact that vegetation adapted to climate changes due to changes in orbital cyclicity, alternating between glacial and interglacial periods. The more widespread vegetation types were steppe and grassland formations during the dry and cold glacial periods whereas either deciduous or evergreen forests were characteristic of interglacial periods. These cold-dry to warmhumid climate cycles became more and more intense towards the present. During the second half of the present interglacial, after the mid-Holocene, joint actions of increasing dryness, climate oscillations and human impact led to the present day Mediterranean plant landscape. It is however not clear how far the causation of this spread of evergreen taxa was climatic or human. One of the most exciting challenges is the prediction of the future course of Mediterranean vegetation. In this perspective a consistent help, not fully explored yet, can be found in aeropaly-nology, recording the pollen transported in the air. Together with modern surface samples, these data act as modern analogues. Though it probably does not represent the same past vegetation-al composition, the current pollen rain is the only basic ... Article in Journal/Newspaper Arctic Climate change Sapienza Università di Roma: CINECA IRIS Arctic Flora Mediterranea 23 |
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Open Polar |
collection |
Sapienza Università di Roma: CINECA IRIS |
op_collection_id |
ftunivromairis |
language |
English |
topic |
human impact flora and vegetation history palynology climate change |
spellingShingle |
human impact flora and vegetation history palynology climate change SADORI, Laura A. Bertini N. Combourieu Nebout K. Kouli M. Mariotti Lippi N. Roberts A. m. Mercuri Palynology and Mediterranean vegetation history |
topic_facet |
human impact flora and vegetation history palynology climate change |
description |
The history of Mediterranean vegetation can be outlined using pollen grains contained in lacustrine, marine and other sediments. These sediments have recorded very important vegetation changes during recent geological times. For example, during the last 6 Ma (million years), the effects of different events acting at regional (e.g. the Messinian salinity crisis between 5.96 Ma and 5.33 Ma) and global (expansion of the Arctic ice at ca 2.6 Ma) scales produced a progressive decrease and final disappearance of tropical and subtropical taxa. However, prior to the start of the Quaternary the Mediterranean flora still included a consistent number of tropical and subtropical arboreal taxa accompanying deciduous and partly evergreen trees that have persisted until today. The most important features of the vegetation history of the Quaternary consist in the fact that vegetation adapted to climate changes due to changes in orbital cyclicity, alternating between glacial and interglacial periods. The more widespread vegetation types were steppe and grassland formations during the dry and cold glacial periods whereas either deciduous or evergreen forests were characteristic of interglacial periods. These cold-dry to warmhumid climate cycles became more and more intense towards the present. During the second half of the present interglacial, after the mid-Holocene, joint actions of increasing dryness, climate oscillations and human impact led to the present day Mediterranean plant landscape. It is however not clear how far the causation of this spread of evergreen taxa was climatic or human. One of the most exciting challenges is the prediction of the future course of Mediterranean vegetation. In this perspective a consistent help, not fully explored yet, can be found in aeropaly-nology, recording the pollen transported in the air. Together with modern surface samples, these data act as modern analogues. Though it probably does not represent the same past vegetation-al composition, the current pollen rain is the only basic ... |
author2 |
Sadori, Laura A., Bertini N., Combourieu Nebout K., Kouli M., Mariotti Lippi N., Robert A. m., Mercuri |
format |
Article in Journal/Newspaper |
author |
SADORI, Laura A. Bertini N. Combourieu Nebout K. Kouli M. Mariotti Lippi N. Roberts A. m. Mercuri |
author_facet |
SADORI, Laura A. Bertini N. Combourieu Nebout K. Kouli M. Mariotti Lippi N. Roberts A. m. Mercuri |
author_sort |
SADORI, Laura |
title |
Palynology and Mediterranean vegetation history |
title_short |
Palynology and Mediterranean vegetation history |
title_full |
Palynology and Mediterranean vegetation history |
title_fullStr |
Palynology and Mediterranean vegetation history |
title_full_unstemmed |
Palynology and Mediterranean vegetation history |
title_sort |
palynology and mediterranean vegetation history |
publisher |
OPTIMA by the Herbarium Mediterraneum Panormitanum |
publishDate |
2013 |
url |
http://hdl.handle.net/11573/618818 https://doi.org/10.7320/flmedit23.141 |
geographic |
Arctic |
geographic_facet |
Arctic |
genre |
Arctic Climate change |
genre_facet |
Arctic Climate change |
op_relation |
volume:23 firstpage:141 lastpage:156 numberofpages:16 journal:FLORA MEDITERRANEA http://hdl.handle.net/11573/618818 doi:10.7320/flmedit23.141 info:eu-repo/semantics/altIdentifier/scopus/2-s2.0-84893461524 |
op_doi |
https://doi.org/10.7320/flmedit23.141 |
container_title |
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