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A 27 kyr terrestrial biomarker record in the southern Indian Ocean ArchiMer
Sicre, Marie-alexandrine; Labeyrie, Laurent; Ezat, Ullah; Mazaud, Alain; Turon, Jean-louis.
Terrestrial inputs were reconstructed using high molecular weight n-alkane concentrations recorded in the sub-Antarctic Indian Ocean core MD94-103 (45 degrees 35'S, 86 degrees 31'E, 3560 m) to examine regional changes in the atmospheric circulation over the last 27 kyr. This record was compared to the dust content of EPICA-Dome C ice and continental data from South Africa ( e. g., pollen sequences and isotope records in speleothems) to get a comprehensive understanding of atmospheric links between low and midlatitudes of the Indian Ocean. Terrestrial n-alkanes indicate higher glacial than Holocene inputs and marked glacial oscillations. Minimum values during the Last Glacial Maximum (LGM) are consistent with colder and drier climate and presumably caused...
Tipo: Text Palavras-chave: Biomarker; Glacial; Indian Ocean; Marine sediments; Paleoclimate; Terrestrial.
Ano: 2006 URL: https://archimer.ifremer.fr/doc/00234/34547/33355.pdf
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On a new species of Geosesarma de Man, 1892 (Crustacea: Decapoda: Brachyura: Grapsidae) from Chanthaburi Province, eastern Thailand Naturalis
Ng, P.K.L.; Naiyanetr, P..
A new species of terrestrial freshwater sesarmine crab (Decapoda: Brachyura), Geosesarma krathing spec, nov., is described from near a waterfall in Chanthaburi Province, eastern Thailand. This is the first record of the genus from that part of Thailand. The species is allied to G. peraccae (Nobili, 1903) from Singapore and southern Peninsular Malaysia, but differs in the form of the carapace and male first pleopod structure.
Tipo: Article / Letter to the editor Palavras-chave: Crustacea; Decapoda; Brachyura; Grapsidae; Sesarminae; Geosesarma krathing spec. nov.; Terrestrial; Eastern Thailand; 42.74.
Ano: 1992 URL: http://www.repository.naturalis.nl/record/318366
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Comparative anatomy of the absorption roots of terrestrial and epiphytic orchids BABT
Moreira,Ana Sílvia Franco Pinheiro; Isaias,Rosy Mary dos Santos.
The present study compared roots of terrestrial and epiphytic Orchidaceae, analyzing the anatomical characteristics from an ecological point of view. The material was collected at three different sites in Minas Gerais / Brazil and was fixed in FAA. Transverse sections were obtained by freehand sections or from material previously embedded in Paraplast® or Historesin®. The prominent characteristics of the epiphytic group were: significant smaller perimeter, epidermis with 3 or more cell layers, U-thickened exodermal cell walls, O-thickened endodermal cell walls, and a low ratio between the caliber and the number of protoxylem arches. The terrestrial group presented simple or multiseriate epidermis, and exodermis and endodermis with typical Casparian strips....
Tipo: Info:eu-repo/semantics/article Palavras-chave: Orchids; Terrestrial; Epiphytic; Anatomy; Adaptations.
Ano: 2008 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132008000100011
Registros recuperados: 3
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