Paleoenvironment interpretation of a 1760 years B.P. old sediment in a mangrove area of the Bay of Guanabara, using pollen analysis
A sediment sample was obtained at 122 cm from the top of a drilling core in the Guapimirim mangrove, Bay of Guanabara, and analyzed using pollen analysis. This muddy core reached a sandy ground at 133 cm. 14C datation got the age of 1760 ? 50 years B.P. The most frequent pollen grains were mangrove...
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Academia Brasileira de Ciências
2006-01-01
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| Series: | Anais da Academia Brasileira de Ciências |
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| Online Access: | http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0001-37652006000200004 |
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doaj-0b547ef00cb7457eb3df49edc86f4c372020-11-25T01:25:08ZengAcademia Brasileira de CiênciasAnais da Academia Brasileira de Ciências0001-37651678-26902006-01-01782227229Paleoenvironment interpretation of a 1760 years B.P. old sediment in a mangrove area of the Bay of Guanabara, using pollen analysisBarth Ortrud M.São-Thiago Luiz E.U.Barros Marcia A.A sediment sample was obtained at 122 cm from the top of a drilling core in the Guapimirim mangrove, Bay of Guanabara, and analyzed using pollen analysis. This muddy core reached a sandy ground at 133 cm. 14C datation got the age of 1760 ? 50 years B.P. The most frequent pollen grains were mangrove species of Rhizophora mangle, Laguncularia racemosa and Avicennia schaueriana. "Restinga" and tropical rain forest vegetation was recognized behind the mangrove. After the last sea transgression at 2500 years B.P., the water level lowered to its actual size, allowing the installation of this mangrove.http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0001-37652006000200004pollenpaleoenvironmentmangroveBay of GuanabaraRio de Janeiro1760 B.P. |
| collection |
DOAJ |
| language |
English |
| format |
Article |
| sources |
DOAJ |
| author |
Barth Ortrud M. São-Thiago Luiz E.U. Barros Marcia A. |
| spellingShingle |
Barth Ortrud M. São-Thiago Luiz E.U. Barros Marcia A. Paleoenvironment interpretation of a 1760 years B.P. old sediment in a mangrove area of the Bay of Guanabara, using pollen analysis Anais da Academia Brasileira de Ciências pollen paleoenvironment mangrove Bay of Guanabara Rio de Janeiro 1760 B.P. |
| author_facet |
Barth Ortrud M. São-Thiago Luiz E.U. Barros Marcia A. |
| author_sort |
Barth Ortrud M. |
| title |
Paleoenvironment interpretation of a 1760 years B.P. old sediment in a mangrove area of the Bay of Guanabara, using pollen analysis |
| title_short |
Paleoenvironment interpretation of a 1760 years B.P. old sediment in a mangrove area of the Bay of Guanabara, using pollen analysis |
| title_full |
Paleoenvironment interpretation of a 1760 years B.P. old sediment in a mangrove area of the Bay of Guanabara, using pollen analysis |
| title_fullStr |
Paleoenvironment interpretation of a 1760 years B.P. old sediment in a mangrove area of the Bay of Guanabara, using pollen analysis |
| title_full_unstemmed |
Paleoenvironment interpretation of a 1760 years B.P. old sediment in a mangrove area of the Bay of Guanabara, using pollen analysis |
| title_sort |
paleoenvironment interpretation of a 1760 years b.p. old sediment in a mangrove area of the bay of guanabara, using pollen analysis |
| publisher |
Academia Brasileira de Ciências |
| series |
Anais da Academia Brasileira de Ciências |
| issn |
0001-3765 1678-2690 |
| publishDate |
2006-01-01 |
| description |
A sediment sample was obtained at 122 cm from the top of a drilling core in the Guapimirim mangrove, Bay of Guanabara, and analyzed using pollen analysis. This muddy core reached a sandy ground at 133 cm. 14C datation got the age of 1760 ? 50 years B.P. The most frequent pollen grains were mangrove species of Rhizophora mangle, Laguncularia racemosa and Avicennia schaueriana. "Restinga" and tropical rain forest vegetation was recognized behind the mangrove. After the last sea transgression at 2500 years B.P., the water level lowered to its actual size, allowing the installation of this mangrove. |
| topic |
pollen paleoenvironment mangrove Bay of Guanabara Rio de Janeiro 1760 B.P. |
| url |
http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0001-37652006000200004 |
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