Arid
DOI10.2110/palo.2011.p11-090r
TAPHONOMICAL IMPLICATIONS OF THE LADINIAN MEGAFLORA AND PALYNOFLORA OF THALE (GERMANY)
Kustatscher, Evelyn1; Heunisch, Carmen2; Van Konijnenburg-Van Cittert, Johanna H. A.3,4
通讯作者Kustatscher, Evelyn
来源期刊PALAIOS
ISSN0883-1351
出版年2012
卷号27期号:11-12页码:753-764
英文摘要

Paleoenvironmental and paleoclimatic conditions at Thale during the late Ladinian (Middle Triassic) are assessed using both the plant megaflora and palynoflora. These two datasets are necessary because these two different types of assemblages were subjected to different taphonomic biases and together provide a more complete appraisal of Triassic conditions in the study area. The megafossil remains represent a (par)autochthonous flora with large, well-preserved leaf and shoot fragments that indicate relatively limited transport. Most fragments probably belonged to plants growing on river banks. The composition of the rich and diversified megaflora indicates lush vegetation typical of an environment without water stress and probably a high water table. On the other hand, quantitative analyses of the palynological data using different methods (morphogroups and Sporomorph EcoGroup or SEG) show a strong dominance of bisaccate pollen. River or wetland plants are well represented by trilete, laevigate spores and multicellular algae. Since the spores were normally water transported along with the sediment and the pollen grains were wind transported over long distances, but also by water, there are two possible interpretations: (1) the local flora was dominated by ferns within a larger, conifer-dominated, and possibly forested area; (2) time related, the megaflora shows a short-term signal that corresponds to a humid spell during the generally more arid period of Middle and Late Triassic, while the palynoflora shows a longer-term, regional signal.


类型Article
语种英语
国家Italy ; Germany ; Netherlands
收录类别SCI-E
WOS记录号WOS:000314436700001
WOS关键词SPOROMORPH ECOGROUP MODEL ; TRIASSIC FLORA ; LOWER AUSTRIA ; LYCOPHYTES ; BOUNDARY ; LUNZ
WOS类目Geology ; Paleontology
WOS研究方向Geology ; Paleontology
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/174329
作者单位1.Nat Museum Sudtirol, I-39100 Bolzano, Italy;
2.Landesamt Bergbau Energie & Geol, D-30655 Hannover, Germany;
3.Univ Utrecht, Palaeobot & Palynol Lab, NL-3584 CD Utrecht, Netherlands;
4.Natl Ctr Biodivers Nat, NL-2300 RA Leiden, Netherlands
推荐引用方式
GB/T 7714
Kustatscher, Evelyn,Heunisch, Carmen,Van Konijnenburg-Van Cittert, Johanna H. A.. TAPHONOMICAL IMPLICATIONS OF THE LADINIAN MEGAFLORA AND PALYNOFLORA OF THALE (GERMANY)[J],2012,27(11-12):753-764.
APA Kustatscher, Evelyn,Heunisch, Carmen,&Van Konijnenburg-Van Cittert, Johanna H. A..(2012).TAPHONOMICAL IMPLICATIONS OF THE LADINIAN MEGAFLORA AND PALYNOFLORA OF THALE (GERMANY).PALAIOS,27(11-12),753-764.
MLA Kustatscher, Evelyn,et al."TAPHONOMICAL IMPLICATIONS OF THE LADINIAN MEGAFLORA AND PALYNOFLORA OF THALE (GERMANY)".PALAIOS 27.11-12(2012):753-764.
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