The onset of islandscapes in the Balearic Islands: A study-case of Addaia (northern Minorca, Spain)

Vives, Gabriel Servera; Riera, Santiago; Picornell-Gelabert, Llorenç; Moffa-Sánchez, Paola; Llergo, Yolanda; Garcia, Arnau; Mus-Amezquita, Maurici; Álvarez, Salvia García; Trías, Manuel

doi:10.1016/j.palaeo.2018.02.015

Cited by 29 publications

(31 citation statements)

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“…(Hillcoat, Lewis, & Verdcourt, 1980), suggests a centre of origin in the Arabian Peninsula (Zohary, 2002). Second, pollen and macro-remain records support the existence of C. siliqua in the east at the end of the Pleistocene and Early Holocene (Zohary, 2002); meanwhile studies suggesting its presence in the western part of the Mediterranean during the Pleistocene are less abundant (Brenac, 1984;Servera-Vives et al, 2018;Zapata et al, 2013).…”

Section: Introductionmentioning

confidence: 89%

“…Second, pollen and macro‐remain records support the existence of C . siliqua in the east at the end of the Pleistocene and Early Holocene (Zohary, ); meanwhile studies suggesting its presence in the western part of the Mediterranean during the Pleistocene are less abundant (Brenac, ; Servera‐Vives et al, ; Zapata et al, ). Third, the western scarcity of local names attributed to the carob tree would also be consistent with a domestication origin in the east (de Candolle, ; Ramon‐Laca & Mabberley, ; Zohary, ).…”

Section: Introductionmentioning

confidence: 99%

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A strong east–west Mediterranean divergence supports a new phylogeographic history of the carob tree (Ceratonia siliqua, Leguminosae) and multiple domestications from native populations

Viruel

Galliot

Pironon

et al. 2019

Journal of Biogeography

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Aim Phylogeography of fruit trees is challenging due to recurrent exchanges between domesticated and wild populations. Here we tested the eastern refugium hypothesis (ERH) for the carob tree, Ceratonia siliqua, which supports its natural and domestication origins in the eastern Mediterranean and a feral origin in the west. Location Mediterranean basin. Taxon Ceratonia siliqua L., Leguminosae. Methods A phylogenetic reconstruction based on two nuclear and one plastid sequences was performed to estimate the divergence time between the carob tree and its sister species, Ceratonia oreothauma. Variation from four plastid regions and 17 nuclear microsatellite loci were used to decipher genetic structure in the carob tree and to test coalescent‐based models by an Approximate Bayesian computation (ABC) approach. We assessed our hypotheses by examining palaeobotanical records and hindcasting the past distribution of the carob tree at Mid‐Holocene, Last Glacial Maximum (LGM) and Last Interglacial (LIG) using species distribution modelling. Results The split between C. oreothauma and C. siliqua was estimated at 6.4 Ma, and a first divergence within C. siliqua at 1.3 Ma. After a continuous presence since the Oligocene, Ceratonia was rarely found in the fossil record during the Pleistocene but present in the western and the eastern Mediterranean. Plastid and nuclear markers, characterized by low allelic richness, revealed a strong west‐east genetic structuring. ABC analyses rejected the ERH. Main conclusions Our study supports a severe population decline during LIG. The strong west–east divergence and the occurrence of four lineages within C. siliqua provided support for a new hypothesis of multiple domestications of the carob tree from native populations throughout the Mediterranean basin.

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Section: Introductionmentioning

confidence: 89%

Section: Introductionmentioning

confidence: 99%

A strong east–west Mediterranean divergence supports a new phylogeographic history of the carob tree (Ceratonia siliqua, Leguminosae) and multiple domestications from native populations

Viruel

Galliot

Pironon

et al. 2019

Journal of Biogeography

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“…Overall richness in Mediterranean pollen records has generally increased through the Holocene. Researchers have related this increase to human impact (Franco-Múgica et al, 2001;Morales-Molino et al, 2017b;Servera-Vives et al, 2018), reductions in local fire frequency/magnitude and the expansion of grazing (Jouffroy-Bapicot et al, 2016), increases in regional fire activity (Colombaroli et al, 2009;Colombaroli and Tinner, 2013), increased landscape openness (e.g. Anderson et al, 2011;Gil-Romera et al, 2014;Morales-Molino, García-Antón, 2014;Muller et al, 2015;Noti et al, 2009;Vescovi et al, 2010), catchment erosion events (Robles-López et al, 2017) and changes in the evenness of plant communities (Beffa et al, 2016).…”

Section: Fire-led Changes In Vegetation Richnessmentioning

confidence: 99%

Humans take control of fire-driven diversity changes in Mediterranean Iberia’s vegetation during the mid–late Holocene

et al. 2019

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Fire regime changes are considered a major threat to future biodiversity in the Mediterranean Basin. Such predictions remain untested, however, given that fire regime changes and their ecological impacts occur over timescales that are too long for direct observation. Here we analyse centennial-3 and millennial-scale shifts in fire regimes and compositional turnover to track the consequences of fire regime shifts on Mediterranean vegetation diversity. We estimated rate-of-change, richness and compositional turnover (beta diversity) in 13 selected high-resolution palaeoecological records from Mediterranean Iberia and compared these to charcoal-inferred fire regime changes. Event sequence analysis showed fire regime shifts to be significantly temporally associated with compositional turnover, particularly during the last three millennia. We find that the timing and direction of fire and diversity change in Mediterranean Iberia are best explained by long-term human-environment interactions dating back perhaps 7500 years. Evidence suggests that Neolithic burning propagated a first wave of increasing vegetation openness and promoted woodland diversity around early farming settlements. Landscape transformation intensified around 5500-5000 cal. yr BP and accelerated during the last two millennia, as fire led to permanent transitions in ecosystem state. These fire episodes increased open vegetation diversity, decreased woodland diversity and significantly altered richness on a regional scale. Our study suggests that anthropogenic fires played a primary role in diversity changes in Mediterranean Iberia. Their millennia-long legacy in today's vegetation should be considered for biodiversity conservation and landscape management.

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“…Navetiforms were monumental domestic spaces, consisting of large buildings with an elongated floor plan, and were inhabited by domestic groups and represented the locus in which the social life was centralised (Fornés et al, 2009). In Closos de ca'n Gaià, the Navetiform 1 has been completely excavated and presents four archaeological phases, ranging from a first occupation previous to the building ( (Burjachs et al, 2017;Servera-Vives et al, 2018). The general picture of the plant landscape, as shown by both anthracological and palynological records from the excavation, is consistent with off-site pollen records from the Gymnesics (Mallorca and Menorca) for this period, with a mosaic landscape dominated by macchia/garrigues and open areas (Figures 2 and 3).…”

Section: Western Mediterranean: Closos De Ca'n Gaià (Mallorca)mentioning

confidence: 99%

From influence to impact: The multifunctional land use in Mediterranean prehistory emerging from palynology of archaeological sites (8.0-2.8 ka BP)

et al. 2019

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Archaeobotany is used to discover details on local land uses in prehistoric settlements developed during the middle and beginning of late Holocene. Six archaeological sites from four countries (Spain, Italy, Greece, and Turkey) have pollen and charcoal records showing clear signs of the agrarian systems that had developed in the Mediterranean basin during different cultural phases, from pre-Neolithic to Recent Bronze Age. A selected list of pollen taxa and sums, including cultivated trees, other woody species, crops and annual or perennial synanthropic plants are analysed for land use reconstructions. In general, cultivation has a lower image in palynology than forestry, and past land uses became visible when oakwoods were affected by human activities. On-site palynology allows us to recognise the first influence of humans even before it can be recognised in off-site sequences, and off-site sequences can allow us to determine the area of influence of a site. Neolithic and Bronze Age archaeological sites show similar land use dynamics implying oak exploitation, causing local deforestation, and cultivation of cereal fields in the area or around the site. Although a substantial difference makes the Neolithic influence quite distant from the Bronze Age impact, mixed systems of land exploitation emerged everywhere. Multiple land use activities exist (multifunctional landscapes) at the same time within the area of influence of a site. Since the Neolithic, people have adopted a diffuse pattern of land use involving a combination of diverse activities, using trees–crops–domesticated animals. The most recurrent combination included wood exploitation, field cultivation and animal breeding. The lesson from the past is that the multifunctional land use, combining sylvo-pastoral and crop farming mixed systems, has been widely adopted for millennia, being more sustainable than the monoculture and a promising way to develop our economy.

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The onset of islandscapes in the Balearic Islands: A study-case of Addaia (northern Minorca, Spain)

Cited by 29 publications

References 63 publications

A strong east–west Mediterranean divergence supports a new phylogeographic history of the carob tree (Ceratonia siliqua, Leguminosae) and multiple domestications from native populations

A strong east–west Mediterranean divergence supports a new phylogeographic history of the carob tree (Ceratonia siliqua, Leguminosae) and multiple domestications from native populations

Humans take control of fire-driven diversity changes in Mediterranean Iberia’s vegetation during the mid–late Holocene

From influence to impact: The multifunctional land use in Mediterranean prehistory emerging from palynology of archaeological sites (8.0-2.8 ka BP)

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