1,720,969 research outputs found
Flora Palinologica Italiana. S 214: Linaria vulgaris Miller; S 215: Cymbalaria muralis Gaertn., Mey. et Sch
No full textStudio fitosociologico e palinologico della vegetazione attuale e del passato a Torre Guaceto (Puglia, Italia meridionale)
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Valutazione della dispersione, vitalità e germinabilità pollinica in relazione al deperimento del bosco.
No full textArchivi biostratigrafici per la conoscenza e la valorizzazione di siti di interesse storico ambientale
No full textHolocene stability and dynamics of forest vegetation in Val d'Aveto (Liguria, NW-Italy)
No full textanalisi polliniche di una sequenza olocenica per la storia del popolamento vegetale dell'Appenino Ligure. Analisi dendrologiche di tronchi subfossili di abete bianco e analisi antracologiche nei sedimenti della stessa torbiera
Immagine pollinica della vegetazione attuale
No full textspettri pollinici di superficie permettono di stabilire i rapporti tra deposizione pollinica attuale e vegetazione. In questo modo, spettri e diagrammi di epoche passate possono essere interpretati in maniera più verosimil
Vegetational history of the “Gran Bosco di Salbertrand” (Val di Susa, NW Italy) by means of pollen analysis.
No full textThe pollen diagram for a peat bog near Col Blegier (2350 m a.s.l.) can be divided into 3 pollen zones: the oldest part (SAL 1) is characterised by a maximum of pine pollen (Pinus mugo/sylvestris type, with a little P. cembra-t.), suggesting local occurrence of sub-Alpine scrub. An intermediate zone (SAL 2) shows an abrupt drop in the pollen concentration, interpreted as a reduction of pine scrub near the site. Pollen zone SAL 3 coincided with the beginning of peat deposition, with an increase of heliophilous species and many taxa typical of Alpine grasslands, as well as anthropogenic indicators. The middle of zone SAL 3 has a radiocarbon date of 1360 ± 60 B.P., calibrated to A.D. 640-685. The most interesting aspect may be the proof of the presence of a mountain pine scrub, which in the late Atlantic reached the ridge and surrounded what then was a small lake on a pass. Interpretation of the diagram was aided by the pollen analysis of moss polsters taken from the edge of the peat bog
A palynological contribution to the environmental archaeology of a Mediterranean mountain wetland (North West Apennines, Italy).
No full textWithin the framework of a regional research project on wetlands as cultural heritage sites, an attempt was made to examine the natural and anthropogenic
causes driving the vegetation dynamics and exploitation of a small mountain wetland. To assess its potential use as an archive of the landscape history,
an environmental archaeology approach was used: palaeoenvironmental data from traditional pollen sampling by coring were matched with stratigraphic
information from an excavation area of several square metres, and plant micro- and macroremain analyses (e.g. pollen assemblages, micro- and
macrocharcoal, morphological and dendrochronological features of waterlogged tree trunks) were compared in order to evaluate them as effects of
different environmental factors and to pinpoint these factors. In this paper, the focus is set mainly on the results originating from pollen analyses of a
core drilled in the peat-bog, a few metres from the stratigraphic excavation. The start of peat deposition, sometimes coinciding with human activity, was
dated around 10,000 cal. BP. The impact on the vegetation surrounding the site is clearly recorded in the pollen assemblages only from the Roman period
(2010–1820 cal. BP) even though a long history of human presence is archaeologically documented in the area since the Palaeolithic. Since that time, the
abrupt decline of fir favoured the final spread of beech which, in turn, in the Middle Ages (1180–790 cal. BP) leaves space to grassland exploitable for
pasture and for agro-silvi-pastoral activities. This site has proven to be of great importance for the Holocene history of the silver fir
Stato delle conoscenze paleobotaniche in Liguria
No full textrassegna bibliografica ragionata degli studi archeobotanici in Liguria e sintesi delle conoscenz
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