干旱区生态环境知识资源中心(Arid): The biodiversity and benthic community structure in the Cenomanian-Turonian Galala Formation, Northern Galala Plateau, Eastern Desert, Egypt

Arid

DOI	10.1007/s12517-021-08562-6
	The biodiversity and benthic community structure in the Cenomanian-Turonian Galala Formation, Northern Galala Plateau, Eastern Desert, Egypt
	Kassab, Walid; Abdelhady, Ahmed Awad
通讯作者	Abdelhady, AA (corresponding author), Minia Univ, Fac Sci, Geol Dept, El Minia 61519, Egypt. ; Abdelhady, AA (corresponding author), Univ Vienna, Dept Palaeontol, Althanstr 14, A-1090 Vienna, Austria.
来源期刊	ARABIAN JOURNAL OF GEOSCIENCES
ISSN	1866-7511
EISSN	1866-7538
出版年	2021
卷号	14 期号:20
英文摘要	The analysis of stratigraphic data from the C/T Galala Formation exposed in a new outcrop from the Galala City (northeast Egypt, southern Tethys) revealed the mechanisms behind changes in biodiversity and community structure of the macroinvertebrates. Based on both macrofossil and microfacies analyses, seven facies associations including intertidal, shallow subtidal, and deep subtidal depositional environments were recognized. Two distinct macroinvertebrate associations corresponding to these environments and dominated by mollusks and echinoids were identified. These associations show a gradual change and cyclic pattern in the diversity and community structure. The Cenomanian association is dominated mainly by opportunistic, epifaunal suspension feeders (oyster bivalves) and is characterized by higher diversity values (high Shannon and high Dominance). In contrast, the Turonian association is dominated mainly by infaunal deposit feeders of gastropods, and is characterized by lower diversity. The increase in nektic/planktic taxa and decrease in benthic ones during the latest Cenomanian may have resulted from deepening. Three third-order mixed sequences were identified and correlated with their regional and global counterparts.
英文关键词	Benthic invertebrates Paleoecology Depositional environments Sequence stratigraphy Northeast Africa Cenomanian-Turonian
类型	Article
语种	英语
收录类别	SCI-E
WOS记录号	WOS:000706999100005
WOS关键词	SEQUENCE STRATIGRAPHY ; CARBONATE RAMP ; WESTERN SIDE ; SUEZ RIFT ; SEA ; SUCCESSION ; FACIES ; BASIN ; GULF ; SIGNATURES
WOS类目	Geosciences, Multidisciplinary
WOS研究方向	Geology
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/362588
作者单位	[Kassab, Walid] Cairo Univ, Fac Sci, Geol Dept, Cairo, Egypt; [Abdelhady, Ahmed Awad] Minia Univ, Fac Sci, Geol Dept, El Minia 61519, Egypt; [Abdelhady, Ahmed Awad] Univ Vienna, Dept Palaeontol, Althanstr 14, A-1090 Vienna, Austria
推荐引用方式 GB/T 7714	Kassab, Walid,Abdelhady, Ahmed Awad. The biodiversity and benthic community structure in the Cenomanian-Turonian Galala Formation, Northern Galala Plateau, Eastern Desert, Egypt[J],2021,14(20).
APA	Kassab, Walid,&Abdelhady, Ahmed Awad.(2021).The biodiversity and benthic community structure in the Cenomanian-Turonian Galala Formation, Northern Galala Plateau, Eastern Desert, Egypt.ARABIAN JOURNAL OF GEOSCIENCES,14(20).
MLA	Kassab, Walid,et al."The biodiversity and benthic community structure in the Cenomanian-Turonian Galala Formation, Northern Galala Plateau, Eastern Desert, Egypt".ARABIAN JOURNAL OF GEOSCIENCES 14.20(2021).