Zobrazeno 1 - 10
of 16
pro vyhledávání: '"Sobhi Helal"'
Autor:
IBRAHIM M. GHANDOUR, Ramona Bălc, MAHMOUD FARIS, SOBHI HELAL, GAMAL A. MOSA, MOHAMMED H. ALJAHDALI
Publikováno v:
Rivista Italiana di Paleontologia e Stratigrafia, Vol 129, Iss 2 (2023)
The present study deals with calcareous nannoplankton paleoenvironmental and biostratigraphic implications as well as the genesis and the stratigraphic significance of an event bed recognized from the middle Eocene Beni Suef Formation in the sections
Externí odkaz:
https://doaj.org/article/8354ce60e30e478c8eec7478c90fb131
Publikováno v:
Environmental Science and Pollution Research. 28:31975-31993
Benthic ostracods are deemed as one of the most useful micro-fauna for biomonitoring in shallow marine ecosystem, which are sensitive to environmental changes that can be reflected by their diversity and abundances. The pollution leads to high domina
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::13223aa3f62a777a9e77278e6549d739
https://doi.org/10.1007/s11356-020-12266-x
https://doi.org/10.1007/s11356-020-12266-x
Publikováno v:
Environmental Science and Pollution Research. 28:31994-31995
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::cbb4cbedb272a535c94789dc226a4342
https://doi.org/10.1007/s11356-021-13374-y
https://doi.org/10.1007/s11356-021-13374-y
Publikováno v:
Environmental Monitoring and Assessment. 190
The Red Sea encompasses a wide range of tropical marine habitats that are stressed due to anthropogenic activities. The main anthropogenic activities are hydrocarbon exploration and important trading harbors. This work aims to assess the influence of
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::72caf262d3609364f26a8bb1b97aff07
https://doi.org/10.1007/s10661-018-6695-2
https://doi.org/10.1007/s10661-018-6695-2
Autor:
Katarína Holcová, Sobhi Helal
Publikováno v:
Arabian Journal of Geosciences. 10
Foraminiferal assemblages from 4 sections (totalling 158 samples) were quantitatively analysed to reconstruct paleoenvironmental changes in inner to outer shelf, tropical epicontinental sea of the southern Peritethys area around the middle Eocene cli
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5163b3bba2ba246812d0c6deaf333018
https://doi.org/10.1007/s12517-016-2818-7
https://doi.org/10.1007/s12517-016-2818-7
Publikováno v:
Journal of African Earth Sciences. 89:133-148
The sequence stratigraphic framework of the Cenomanian Galala Formation (north Eastern Desert, Egypt) is estimated on the basis of the Sedimentological and obtainable biostratigraphic data, in addition to the regional correlation of the studied secti
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9ab36f835c4f6171226eb2023349940d
https://doi.org/10.1016/j.jafrearsci.2013.09.005
https://doi.org/10.1016/j.jafrearsci.2013.09.005
Autor:
Sobhi Helal, Mohamed Abd El-Wahab
Publikováno v:
Crustaceana. 85:1669-1696
The distribution of recent shallow marine species of Ostracoda was recorded from 46 bottom samples collected from two mangrove ecosystems along the Egyptian Red Sea coast, i.e., the regions Wadi El Gemal and Abu Ghoson. Four communities of Ostracoda
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1629290c04ed4239591d249fef4ca370
https://doi.org/10.1163/15685403-00003120
https://doi.org/10.1163/15685403-00003120
Publikováno v:
Marine Georesources & Geotechnology. 29:364-375
The present study was undertaken for assessing the level of heavy metals such as iron, manganese, zinc, copper, nickel, cadmium, lead, and cobalt in recent sediment samples of Safaga Bay, Egypt. Concentration of heavy metals in sediments shows signif
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::59501ea938d95e62cf4673dd17778eb2
https://doi.org/10.1080/1064119x.2011.586014
https://doi.org/10.1080/1064119x.2011.586014
Autor:
El-Kahawy, Ramadan M.1 (AUTHOR), El-Shafeiy, Moataz1 (AUTHOR), Helal, Sobhi2 (AUTHOR) sobhi_helal@yahoo.com, Aboul-Ela, Nabil1 (AUTHOR)
Publikováno v:
Geophysical Research Abstracts. 2019, Vol. 21, p1-1. 1p.