Archives alluviales holocènes et occupation humaine en Basse Moulouya (Maroc nord-oriental)

Ibouhouten, Hanoun; Zielhofer, Christoph; Mahjoubi, Rachida; Kamel, Saı̈d; Linstädter, Jörg; Mikdad, Abdeslam; Bussmann, Jens; Werner, Petra; Härtling, Joachim W.; Fenech, Katrin

doi:10.4000/geomorphologie.7812

Cited by 15 publications

(10 citation statements)

References 24 publications

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“…Therefore, we assume that Wadi Selloum was affected by short-term environmental changes during the late Holocene. Flood variability during that time range is also reported for the rivers Moulouya and Kert (Benito et al, 2015;El Amrani et al, 2008;Ibouhouten et al, 2010;Zielhofer et al, 2010). From marine palaeoclimate records (Fig.…”

Section: Holocenesupporting

confidence: 65%

“…In Morocco, Holocene terraces of the Kert River (Barathon et al, 2000;El Amrani et al, 2008) show features of different soil forming phases determined from pedological and sedimentological criteria (Zielhofer et al, 2008). Similar patterns have been observed in deposits of the Moulouya River (Ibouhouten et al, 2010;. Although catchments of ephemeral stream systems are usually much smaller, similar studies can be undertaken.…”

Section: Introductionmentioning

confidence: 56%

“…Numerous investigations on fluvial archives also unravelled palaeoenvironmental conditions during the Late Glacial and the Holocene in the Western Mediterranean (e.g. Barathon et al, 2000;Benito et al, 2015;El Amrani et al, 2008;Ibouhouten et al, 2010;Pissart and Boumeaza, 2010;Wolf and Faust, 2015;Zielhofer et al, 2008. In contrast, very little information was obtained on geo-archives predating the LGM in NE Morocco (Rixhon et al, 2017).…”

Section: Introductionmentioning

confidence: 99%

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Unravelling fluvial deposition and pedogenesis in ephemeral stream deposits in the vicinity of the prehistoric rock shelter of Ifri n'Ammar (NE Morocco) during the last 100 ka

Bartz

Rixhon

Kehl

et al. 2017

CATENA

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Our study focuses on the ephemeral stream deposits of Wadi Selloum to identify phases of morphodynamic stability (pedogenesis) and activity (flooding) in the direct vicinity of the rock shelter of Ifri n'Ammar (NE Morocco). As one of the oldest settlement sites of anatomically modern humans (AMH) in North Africa, Ifri n'Ammar documents periodical occupations since~170 ka. Since the discontinuous settlement record may reflect climate forcing with subsequent landscape changes, we aim at reconstructing the palaeoenvironmental variability recorded in the ephemeral stream deposits. In addition to the use of micromorphological, sedimentological, geochemical and mineralogical methods, the geochronological framework of ephemeral stream deposits was established by the application of different luminescence dating techniques. The deposition ages between 102 ± 8 ka and 1.3 ± 0.2 ka span different morphodynamically stable and active phases. Periods of enhanced aggradation occurred around~100 ka,~75 ka,~55 ka, after the LGM, and during the Holocene, whilst sedimentation ended after~1.3 ka. The Wadi Selloum might be characterised by enhanced flooding during humid phases. Pedogenesis may be used as environmental indicator for more humid climate conditions during MIS 3 (palaeo-Calcisol), the early Holocene (Calcisol) and the late Holocene (Fluvisol). This study thus provides first insights into the palaeoenvironmental changes around the rock shelter of Ifri n'Ammar during the last glacial-interglacial cycle.

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Section: Holocenesupporting

confidence: 65%

Section: Introductionmentioning

confidence: 56%

Section: Introductionmentioning

confidence: 99%

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Unravelling fluvial deposition and pedogenesis in ephemeral stream deposits in the vicinity of the prehistoric rock shelter of Ifri n'Ammar (NE Morocco) during the last 100 ka

Bartz

Rixhon

Kehl

et al. 2017

CATENA

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“…6, 7); (2) 14 C dates from bulk samples of alluvial soils and/or dating in situ evidence for human occupation (e.g. buried hearths) in the floodplain representing short-or long-term floodplain stability ('stability dates'), or periods of minor floods Ibouhouten et al, 2010;. Fluvial 'activity dates' and 'stability dates' should be mutually exclusive and for the north-east Moroccan data this is generally the case for the early and mid-Holocene (Fig.…”

Section: North-west Africamentioning

confidence: 99%

Holocene flooding and climate change in the Mediterranean

Benito

Macklin

Zielhofer

et al. 2015

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Mediterranean fluvial hydrology is characterised by decadal-to-multi-centennial length wet and dry episodes with abrupt transitions related to changes in atmospheric circulation. Since the mid-1990s site-based flood chronologies from slackwater deposits in bedrock rivers and regionally aggregated flood histories from alluvial deposits have developed increasingly higher resolution chronological frameworks, although regional coverage is still uneven. This paper analyses the spatial and temporal distribution of extreme Holocene hydrological events recorded in fluvial stratigraphy in the Iberian Peninsula (Spain and Portugal), southern France, southern Italy, Northern Africa (Morocco and Tunisia) and eastern Mediterranean (Greece, Crete, Turkey, Cyprus and Israel). This study constitutes the most comprehensive investigation of Holocene river flooding ever undertaken in the Mediterranean and is based on the analysis of 515 14 C and 53 OSL dates. It reveals that flood periods in different regions cluster into distinct time intervals, although region-wide flooding episodes can be identified at

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“…In Morocco, the earliest Holocene human use of pant resources was detected in the semiarid lowlands of the Northeast Moroccan hinterland. Charcoal samples from rock shelters (Grösdorf and Eiwanger, 1999) and Epipalaeolithic open air sites (Ibouhouten et al, 2010, Linstädter et al, 2012Mikdad et al, 2000) provide 14 C ages between 11,700 and 7,800 years cal. BP.…”

Section: Introductionmentioning

confidence: 99%

Human demography changes in Morocco and environmental imprint during the Holocene

et al. 2019

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The aim of this work is to reconstruct the periods of growth and decline of human populations in Morocco and their potential impacts on the landscape over the last 10,000 years. In order to estimate trends in human population size between 10,000 and 3,000 years ago we used a Summed Probability Distribution (SPD) of radiocarbon dates from a wide range of archaeological sites throughout Morocco. Landscape changes were identified and quantified from a data set of fossil pollen records. Different anthropogenic pollen markers, as well as natural vegetation groups and taxonomic richness were used to analyze the relationship between long-term trends in human population expansion or regression and type of impact on the landscape. Sub-regions of Morocco have different topographies and climates, which have either favored or prevented the establishment and/or spread of human populations. In order to identify areas most significantly impacted by humans and the timing of such impacts we have reconstructed and compared the same past anthropogenic and landscape proxies along with population trends within the lowlands and the mountainous areas. The lowlands were more strongly impacted earlier in the Holocene than the mountainous areas. Anthropogenic markers indicate that farming expanded in the lowlands during the first major expansion of human populations between ca. 7200 and 6700 calibrated years BP at the start of the Neolithic period. In the Atlas and Rif Mountains anthropogenic impact is not clearly detectable in any of these areas before 4000 cal. BP.

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Archives alluviales holocènes et occupation humaine en Basse Moulouya (Maroc nord-oriental)

Cited by 15 publications

References 24 publications

Unravelling fluvial deposition and pedogenesis in ephemeral stream deposits in the vicinity of the prehistoric rock shelter of Ifri n'Ammar (NE Morocco) during the last 100 ka

Unravelling fluvial deposition and pedogenesis in ephemeral stream deposits in the vicinity of the prehistoric rock shelter of Ifri n'Ammar (NE Morocco) during the last 100 ka

Holocene flooding and climate change in the Mediterranean

Human demography changes in Morocco and environmental imprint during the Holocene

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