Evolutionary trend of Cenomanian alveolinids from Zagros Basin, SW of Iran

2021 ◽  
Author(s):  
Mahtab Dousti Mohajer ◽  
Massih Afghah ◽  
Mohammadsadegh Dehghanian ◽  
Ahmad Abyat
Keyword(s):  
Evolutionary Trend ◽  
Zagros Basin

scholarly journals Shoreline evolution and modern beach sand composition along a coastal stretch of the Tyrrhenian Sea, southern Italy

2021 ◽  
Vol 10 (1) ◽  
Author(s):  
Consuele Morrone ◽  
Fabio Ietto
Keyword(s):  
Southern Italy ◽  
Average Rate ◽  
Transport Processes ◽  
Beach Sand ◽  
Sand Transport ◽  
Petrographic Analysis ◽  
Tyrrhenian Sea ◽  
Evolutionary Trend ◽  
Erosion Processes ◽  
Geomorphological Analysis

AbstractThis contribution focuses on a multidisciplinary research showing the geomorphological evolution and the beach sand composition of the Tyrrhenian shoreline between Capo Suvero promontory and Gizzeria Lido village (Calabria, southern Italy). The aim of the geomorphological analysis was to reconstruct the evolutionary shoreline stages and the present-day sedimentary dynamics along approximately 6 km of coastline. The results show a general trend of beach nourishment during the period 1870–2019. In this period, the maximum shoreline accretion value was estimated equal to + 900 m with an average rate of + 6.5 m/yr. Moreover, although the general evolutionary trend is characterized by a remarkable accretion, the geomorphological analysis highlighted continuous modifications of the beaches including erosion processes. The continuous beach modifications occurred mainly between 1953 and 1983 and were caused mainly by human activity in the coastal areas and inside the hydrographic basins. The beach sand composition allowed an assessment of the mainland petrological sedimentary province and its dispersal pattern of the present coastal dynamics. Petrographic analysis of beach sands identified a lithic metamorphi-clastic petrofacies, characterized by abundant fine-grained schists and phyllites sourced from the crystalline terrains of the Coastal Range front and carried by the Savuto River. The sand is also composed of a mineral assemblage comparable to that of the Amato River provenance. In terms of framework detrital constituents of QFL (quartz:feldspars:aphanitic lithic fragments) and of essential extraclasts, such as granitoid:sedimentary:metamorphic phaneritic rock fragments (Rg:Rs:Rm), sand maturity changes moderately from backshore to shoreface, suggesting that transport processes had a little effect on sand maturity. Moreover, the modal composition suggests that the Capo Suvero promontory does not obstruct longshore sand transport from the north. Indeed, sands displaced by currents driven by storm-wave activity bypass this rocky headland.

Tectono-eustatic controls on depositional setting and spatial facies distribution of Coniacian–Santonian sequences of the Zagros Basin in Fars area, S. Iran

2021 ◽  
Vol 129 ◽  
pp. 105072
Author(s):  
Borhan Bagherpour ◽  
Hamzeh Mehrabi ◽  
Ali Faghih ◽  
Hossein Vaziri-Moghaddam ◽  
Mahboobeh Omidvar
Keyword(s):  
Zagros Basin ◽  
Facies Distribution ◽  
Eustatic Controls ◽  
Depositional Setting

Data Transfer from Clinic to Clinic – Queensland Perspective

OP-Journal ◽  
2021 ◽  
Author(s):  
Genevieve Westacott ◽  
Kirsten Vallmurr ◽  
Michael Schütz
Keyword(s):  
Information Exchange ◽  
Data Transfer ◽  
Data Communication ◽  
The State ◽  
Evolutionary Trend ◽  
Quality Healthcare ◽  
Digital Revolution ◽  
Critical Data ◽  
Secure Information ◽  
Security Standards

AbstractData transfer has been forced to evolve as digital technologies are implemented throughout various aspects of the healthcare system. Despite the uniqueness of both the geography and the population of Queensland, information exchange and data communication has continued to follow this evolutionary trend. There have been a number of different health reforms designed to integrate digital innovations and allow critical data and information to be shared with the appropriate health professionals when necessary. Strict healthcare legislation has been navigated and to provide newly upgraded technologies and processes while maintaining privacy, confidentiality and security standards. A large portion of the digital revolution has been the implementation of the national run project, the My Health Record and the state run project, the Integrated Electronic Medical Record. Both are platforms that allow secure information exchange allowing patients to have improved quality of care. To maintain the steady progress, both the state and federal governments have developed strategies and visions to help provide guidance and direct for ongoing and future digital projects. They also outline areas that require further advancements to ensure Queensland is delivering equitable, high quality healthcare.

Trends in the pollination ecology of the Orchidaceae: evolution and systematics

1992 ◽  
Vol 70 (3) ◽  
pp. 642-650 ◽  
Author(s):  
Raymond Louis Tremblay
Keyword(s):  
Plant Species ◽  
Evolutionary Ecology ◽  
Evolutionary Significance ◽  
Evolutionary Trend ◽  
Pollen Transfer ◽  
Orchid Species ◽  
Pollinator Species ◽  
Plant Taxon ◽  
Pollinator Specialization ◽  
The Cost

Reduction in the number of pollinator species per plant species is a mechanism that may lower the cost of pollen transfer. Using efficient pollinators may have an evolutionary significance. It is hypothesized that an evolutionary trend from many pollinators to few pollinators per plant species should be observable when species from ancestral versus recently derived monophyletic taxon are compared. Three different orchid phylogenetic sequences are used; two of the phylogenies show a reduction in the number of pollinator species per orchid species from the most ancestral to the most recently derived subfamilies. The third classification did not show this trend. It is thus possible to observe macroevolution of pollinator specialization of a monophyletic plant taxon. Key words: evolution, pollination, systematics, Orchidaceae, evolutionary ecology.

New biostratigraphic observations of planktonic foraminifera and ammonites on the Aptian–Albian intrashelf succession, Zagros Basin, SW Iran

2021 ◽  
pp. 104996
Author(s):  
Javad Sharifi ◽  
Mohammad Vahidinia ◽  
Atsushi Ando ◽  
Mohammad Hossein Mahmudy-Gharaie
Keyword(s):  
Planktonic Foraminifera ◽  
Zagros Basin ◽  
Sw Iran

Devolution processes and the theory of historical development by S. Sanderson

2021 ◽  
pp. 72-77
Author(s):  
A.V. Verkhoturov ◽  
◽  
A.A. Obukhov
Keyword(s):  
Historical Development ◽  
World System ◽  
Human Society ◽  
Evolutionary Trend ◽  
The Core ◽  
The World ◽  
The Face ◽  
American Historian ◽  
Immanuel Wallerstein ◽  
Main Ideas

Analyzed is one of the most comprehensive modern approaches to the problem of the existence of evolution of human society as such and of specific human communities, i.e. “General Theory of Historical Development” by American historian and sociologist Stephen Sanderson. While agreeing, in general, with its main ideas, we believe that it is important to note that the issue of existence of individual communities demonstrating devolution (regression to an earlier historical state), stagnation or degeneration at certain historical stages is practically ignored in the framework of the theory under consideration. This creates its vulnerability in the face of specific empirical data, indicating a deviation from the evolutionary trend. We believe that overcoming this theoretical difficulty is possible in the process of comprehending the theory of S. Sanderson in the context of ideas of the world-system approach of Immanuel Wallerstein. We want to show that examples of devolution, stagnation and degeneration of societies do not deny general progressive evolutionary tendencies, characteristic for the world-system as a whole, but only indicate the transition of a particular society to a lower level within the world-system (from the core to the semi-periphery, or from the semi-periphery to the periphery).

scholarly journals Paleocene-Oligocene dinoflagellate cysts from the Siah Anticline, Zagros Basin, Southwest Iran

2016 ◽  
Vol 16 (2) ◽  
pp. 25 ◽  
Author(s):  
Ali Akbar Jafar Nezhad ◽  
Ebrahim Ghasemi-Nejad Ghasemi-Nejad
Keyword(s):  
Zagros Basin ◽  
Dinoflagellate Cysts ◽  
Southwest Iran

Uma seção da Formação Pabdeh do Paleoceno-Oligoceno foi amostrada na Bacia Zagros, no sudoeste do Irã, para investigações palinológicas e avaliação de maturidade térmica e potencial de geração de hidrocarbonetos. Ao todo, 125 amostras de rochas foram coletadas e processadas palinologicamente. As amostras produziram assembleias ricas de cistos de dinoflagelados, nas quais foram identificadas 65 espécies de cistos. Algumas espécies-guia permitiram datação por meio do estabelecimento de sete biozonas de dinoflagelados de acordo com o arcabouço de biozoneamento europeu existente. As zonas de cistos de dinoflagelados permitiram atribuir a idade precisa da formação em estudo, a qual se estende do Neopaleoceno até o Eo-oligoceno. Para maturidade térmica, a coloração de esporos e grãos de pólen foi correlacionada com a escala padrão de cores da companhia de petróleo Shell. Propriedades das amostras, indicadas pela mudança de cor dos palinomorfos, sugerem que a formação é potencialmente geradora, podendo ter produzido petróleo.

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