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Quaternary, Volume 5, Issue 4

December 2022 - 16 articles

Cover Story: During the early and mid-Holocene, climate changes that occurred between ~10,200 and ~4650 cal BP in the Central Sahara determined the adaptive responses of polyploid grasses in the form of multiporate pollen. For the first time, the Poaceae pollen preserved in the archaeological record of the Takarkori rockshelter offers the possibility of obtaining palaeoecological information from an anomaly rather than from the normal morphology of the identified pollen. Multiporate pollen was found in organic sands and coprolites of ovicaprines. The supernumerary pores were primarily an effect of climatic/hydrological changes, and, in the most recent phases, continued plant harvesting was a further anthropogenic pressure on the wild grasses living in the region. View this paper

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Article

8 Citations

3,124 Views

14 Pages

Application of Parameterized Grain-Size Endmember Modeling in the Study of Quaternary Oxbow Lake Sedimentation: A Case Study of Tövises Bed Sediments in the Eastern Great Hungarian Plain

Abdelrhim Eltijani,
Dávid Molnár,
László Makó,
János Geiger and
Pál Sümegi

Quaternary2022, 5(4), 44;https://doi.org/10.3390/quat5040044

25 October 2022

Abandoned channels are essential in the Quaternary floodplains, and their infill contains different paleoenvironment recorders. Grain-size distribution (GSD) is one proxy that helps characterize the alluviation and associated sedimentological process...

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Article

7 Citations

4,106 Views

29 Pages

Climate and Vegetation Change, Hillslope Soil Erosion, and the Complex Nature of Late Quaternary Environmental Transitions, Eastern Mojave Desert, USA

Joseph R. McAuliffe,
Leslie D. McFadden,
Lyman P. Persico and
Tammy M. Rittenour

Quaternary2022, 5(4), 43;https://doi.org/10.3390/quat5040043

14 October 2022

In what are now the warm deserts of the American Southwest, direct effects of changing climate on plant distributions are typically viewed as the principal driver of vegetation changes that followed the late Pleistocene–Holocene transition (LPH...

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Article

1 Citations

3,393 Views

20 Pages

Tracing Raw Material Sources of Prehistoric Stone Artefacts by Non-Invasive Techniques: The Case of the Early Bronze Age (3rd Mill. BCE) Site of Vathy, Astypalaia, Greece

Maria Kokkaliari,
Eugenia Adam,
Andreas Vlachopoulos and
Ioannis Iliopoulos

Quaternary2022, 5(4), 42;https://doi.org/10.3390/quat5040042

9 October 2022

Recent findings of archaeological research in the Vathy gulf area, Astypalaia Island, indicate its continuous habitation since prehistoric times, most importantly in the transitional period from the Final Neolithic to the Early Bronze Age (late 4th/e...

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Article

13 Citations

3,904 Views

16 Pages

Multiporate Pollen of Poaceae as Bioindicator of Environmental Stress: First Archaeobotanical Evidence from the Early–Middle Holocene Site of Takarkori in the Central Sahara

Anna Maria Mercuri,
Eleonora Clò and
Assunta Florenzano

Quaternary2022, 5(4), 41;https://doi.org/10.3390/quat5040041

1 October 2022

This paper reports on the most ancient unusual morphological trait of the apertures of Poaceae pollen found in archaeological layers. In Poaceae, high levels of hybridization, polyploidy, apomixis, and multiporate pollen are often related. Multiple g...

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Editorial

1,877 Views

2 Pages

Quaternary Loess Deposition and Climate Change in Europe—Recent Progress

Dávid Molnár

Quaternary2022, 5(4), 40;https://doi.org/10.3390/quat5040040

25 September 2022

The current climate changes are not unique in Earth’s history [...]

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Article

10 Citations

3,737 Views

19 Pages

Erosion Risk Assessment for Prioritization of Conservation Measures in the Watershed of Genale Dawa-3 Hydropower Dam, Ethiopia

Ashenafi Dechasa,
Alemu O. Aga and
Takele Dufera

Quaternary2022, 5(4), 39;https://doi.org/10.3390/quat5040039

23 September 2022

Sedimentation is a leading global problem that affects the environment and dams by reducing the live storage capacity of reservoirs and the life expectance of dams. Hence, prioritizing watersheds according to the risk of soil loss is crucial for exte...

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