Abstract
Sixty modern surface samples collected from mosses in different cypress forest communities (Cupressus sempervirens L.) on the island of Crete (Greece) were analysed for their pollen content. The samples were taken from six different cypress phytosociological associations between 23 and 1600 m asl, and fall within distinct rainfall and temperature regimes. The aims of this paper are to provide new data on the modern pollen rain from the Aegean islands, and to perform these data using multivariate statistics (hierarchical cluster analysis and canonical correspondence analysis) and pollen percentages. The discrimination of pollen assemblages corresponds to a large extent to the floristic differentiation of Cupressus sempervirens forest vegetation and indicates the existence of three new associations.
Highlights
The Mediterranean, common, or Italian cypress (Cupressus sempervirens L.) is a medium-size evergreen coniferous tree whose natural habitats are found in the semi-arid mountains around the eastern Mediterranean basin and the Middle East
The subcluster Ba1a is subdivided into three clades as abundant Berberis cretica, Prunus and Rhamnus (Ba1a-1) or phrygana (Sarcopoterium spinosum, Thymbra capitata, Verbascum, Euphorbia acanthothamnos) pollen taxa (Ba1a-2 and 3) (Figure 3)
The sub-cluster Ba1b is subdivided into three smaller clades depending on the abundance of Pistacia lentiscus (Ba1b1), Daphne and Berberis cretica (Ba1b-2) or phyrgana pollen taxa (Ba1b-3)
Summary
The Mediterranean, common, or Italian cypress (Cupressus sempervirens L.) is a medium-size evergreen coniferous tree whose natural habitats are found in the semi-arid mountains around the eastern Mediterranean basin and the Middle East. It has been widely cultivated and naturalized elsewhere since historical periods and its natural range is unclear (Eckenwalder, 2009; Caudullo & De Rigo, 2016). Horizontalis (Miller) Aiton, which is widely represented by native populations and is characterized by a broad conical crown with the main branches forming a wide angle with the trunk; while the fastigiated var.
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