Results 61 to 70 of about 9,137 (219)

Using [delta] ph as a geochemical index of illite neoformation in saprolite [PDF]

open access: yes, 2008
Sal pH is routinely measured for agronomic purposes. When the difference between KCI pH and H2O pH, or ApH, yields positive values, it is used by soil scientists as a classification criterion for identifying anionic subgroups according to the Soil ...
Bourgeon, Gérard   +3 more
core  

The role of the Eastern Mediterranean in human evolution: recent results from Greece Le rôle du Bassin méditerranéen oriental dans l’évolution humaine : résultats récents en Grèce

open access: yesJournal of the Royal Anthropological Institute, EarlyView.
The Eastern Mediterranean lies directly on the principal migration route for human groups dispersing across Africa, Europe, and Asia. It also encompasses the Balkans, where fauna and flora, as well as hominin populations, are thought to have persisted through glacial periods.
Katerina Harvati
wiley   +1 more source

Modern Analog Assemblages of Phytoliths Under Various Plant Communities of the Middle Volga and their Applicability for Archaeological Reconstructions

open access: yesПоволжская археология, 2021
The article describes the results of investigations of the sub-recent assemblages of silica phytoliths in top soils of various modern plant communities of the Middle Volga region in Tatarstan, Samarskaya and Ulyanovskaya oblasts conducted in 2017–2020 ...
Blinnikov Mikhail S.   +2 more
doaj   +1 more source

Russian wheat aphid: a model for genomic plasticity and a challenge to breeders

open access: yesInsect Science, EarlyView.
Invasive foundress finds suitable habitat and reproduces through pathogenesis. Wingless females produce life offspring quickly, which leads to high population densities. High population densities result in competition, which may induce epigenetic changes and wing development for dispersal.
Astrid Jankielsohn   +8 more
wiley   +1 more source

Zenon’s flour: grains of truth from Tel Kedesh [PDF]

open access: yes, 2019
According to one of the Zenon papyri, In 259 BCE the Ptolemaic courier Zenon stopped at the site of Kedesh, located today in northern Israel, to pick up some flour.
Berlin, Andrea
core  

Phytoliths from the Southwest Pacific, Site 591 [PDF]

open access: yes, 1985
Phytoliths are described from deep sea sediments at Site 591 in the southwestern Pacific. Their regional distribution is related to the arid and semiarid regions of Australia, from where they were blown by westerly winds into the Tasman Sea area.
Locker, Sigurd, Martini, Erlend
core   +1 more source

Bridging the Late Antique Gap in Northwest Arabia: New Archaeological Evidence on the Occupation of Wādī al‐Qurā (al‐ʿUlā [AlUla], Saudi Arabia) Between the Third and Seventh Centuries CE

open access: yesArabian Archaeology and Epigraphy, EarlyView.
ABSTRACT In 2019, the Dadan Archaeological Project (CNRS/RCU/AFALULA) identified a Late Antique village 1 km south of ancient Dadan in the al‐ʿUlā valley (northwest Saudi Arabia). Three excavation seasons at this site (2021–2023) have uncovered a massive building constructed in the late third or early fourth cent.
Jérôme Rohmer   +11 more
wiley   +1 more source

Phytoliths and Pollen from a Desert Wetland Through the Last Glacial–Interglacial Cycle in Azraq, Jordan

open access: yesQuaternary
Phytoliths, pollen, and spores in a stratigraphic sequence from the Shishan Wetland (Azraq Basin, Jordan) and supported by modern pollen and phytolith data provide information on vegetation, climatic trends, and the influence of fire through MIS 2 and ...
Carlos E. Cordova   +7 more
doaj   +1 more source

Si-FITÓLITOS EM EUDICOTILEDÔNEAS E SEU POTENCIAL NA DESCONTAMINAÇÃO DE SOLOS CONTENDO METAIS PESADOS

open access: yesGeochimica Brasiliensis, 2020
For the decontamination of soils, rich in heavy metals are proposed various methods and procedures. Among them, one is the phytoremediation. The present study investigates the phytoremediation by phytoliths.
Adolf Heinrich Horn   +5 more
doaj   +1 more source

Understanding Fossil Phytolith Preservation: The Role of Partial Dissolution in Paleoecology and Archaeology [PDF]

open access: yes, 2016
Opaline phytoliths are important microfossils used for paleoecological and archaeological reconstructions that are primarily based on relative ratios of specific morphotypes.
Cabanes i Cruelles, Dan   +1 more
core   +1 more source

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