The relationship between vegetation and modern pollen assemblages on Mount Paggeo (NE Greece)

Glais, Arthur; Papageorgiou, Aristotelis C.; Tsiripidis, Ioannis; Schaad, Daniel Abel; Sáez, José Antonio López; Lespez, Laurent

doi:10.5209/lazaroa.53604

Cited by 8 publications

(5 citation statements)

References 25 publications

(36 reference statements)

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“…Following a numerical approach similar to the previous study of Felde et al (2014b) in Norway, we show here that it is possible to distinguish most of the main vegetation types of northern Greece using plant and pollen assemblages. Maquis showed particularly distinct plant and pollen composition, making it readily distinguishable from other Mediterranean vegetation types, in agreement with previous studies (Fall, 2012; Glais et al, 2016b). These results are in line with previous research showing that pollen assemblages accurately reflected the main vegetation types in Norway (Felde et al, 2014b), the Tibetan Plateau (Zhang et al, 2018) and Crete (López-Sáez et al, 2019).…”

Section: Discussionsupporting

confidence: 92%

“…Previous research has shown that elevation and landscape openness (comparable to our canopy cover) are relevant in driving the composition of plant and pollen assemblages (Glais et al, 2016b; López-Sáez et al, 2018; Matthias et al, 2015; Meltsov et al, 2013). Our results from northern Greece (Supplemental Figure S2a, b, d, e, available online) suggest that elevation, as surrogate for climate, is of greater importance than any other environmental variable (see Supplemental Figure S2, available online).…”

Section: Discussionmentioning

confidence: 97%

“…Although modern pollen representation has also been widely investigated throughout the Mediterranean region (e.g. Fall, 2012; Gerasimidis et al, 2006; Glais et al, 2016b; López-Sáez et al, 2010, 2018, 2019; Morales-Molino et al, 2020b), studies dealing specifically with plant-pollen diversity relationships are very rare (Connor et al, 2021; Papadopoulou et al, 2021). Additionally, a notable proportion of these Mediterranean studies does not cover large ecological gradients, as they have relatively narrow geographical scopes or focus on specific plant communities.…”

Section: Introductionmentioning

confidence: 99%

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Modern pollen – vegetation – plant diversity relationships across large environmental gradients in northern Greece

et al. 2021

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Past vegetation and biodiversity dynamics, reconstructed using palaeoecological methods, can contribute to assessing the magnitude of the current biodiversity crisis and anticipating future risks and challenges. Among the different palaeoecological techniques, pollen analysis is probably the most widely used to reconstruct vegetation and plant diversity changes through time. Such reconstructions demand robust and comprehensive calibration studies addressing the pollen representation of extant vegetation to be sound. However, calibration studies are rare in the Mediterranean biodiversity hotspot, particularly regarding plant diversity. Here, we contribute to filling this gap by investigating the modern pollen signature of Mediterranean vegetation across a large environmental gradient in northern Greece. At each sampling site ( n = 61), we quantitatively compared the composition and diversity of plant (vegetation surveys) and pollen assemblages (moss/topsoil samples) using numerical techniques. Further, we compared these terrestrial pollen assemblages with those from lake sediment surface samples of the same region. We found an overall good match between plant and pollen assemblages, with maquis and mixed deciduous forest displaying particularly distinct pollen signatures. In contrast, the high regional importance of pines and oaks and their large pollen production blurred the pollen representation of other forested vegetation types and of shrublands and grasslands. Plant and pollen richness and their evenness showed similar declining trends with increasing altitude, but plant and pollen evenness bore a better match than richness. A more detailed vegetation-specific view on the data suggests that pine pollen seriously affected pollen richness and evenness in most of the pine-dominated stands. Lastly, our results suggest a rather straightforward application of vegetation-pollen relationships from moss/topsoil samples to interpret pollen assemblages from lakes in Mediterranean settings.

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Section: Discussionsupporting

confidence: 92%

Section: Discussionmentioning

confidence: 97%

Section: Introductionmentioning

confidence: 99%

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Modern pollen – vegetation – plant diversity relationships across large environmental gradients in northern Greece

et al. 2021

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“…The advantage of modern pollen rain studies is that cushion mosses collect the airborne pollen of the last 5−30 years (Pardoe et al, 2010), while the floristic inventories depend intrinsically on the season of the year in which they are made. In this sense, multivariate analyses are a powerful tool in the comparison and diagnosis of different plant communities from their pollen content in Mediterranean European countries (Court-Picon et al, 2006;Mazier et al, 2006;López-Sáez et al, 2010Glais et al, 2016). The main objectives of our study are (i) to explore how contemporary vegetation is depicted in surface pollen assemblages, (ii) to identify pollen indicators of Cupressus sempervirens forest syntaxa, and, (ii) to establish statistic relationships between pollen rain and vegetation patterns in order to use them for paleoecological reconstruction in future studies.…”

Section: Introductionmentioning

confidence: 99%

Phytosociological and ecological discrimination of Mediterranean cypress ('Cupressus sempervirens') communities in Crete (Greece) by means of pollen analysis

Sáez

Glais

Tsiripidis

et al. 2019

MBOT

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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.

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“…Next year, without heavy tillage work spores are not displaced and they germinate in the sporangia at the same place. Dispersed spores of Riccia are also found very rarely during analysis of the modern pollen rain (Glais et al, 2016).…”

Section: Transport Of Riccia Spores To Depositsmentioning

confidence: 99%

Studia Quaternaria

2022

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The manuscript presents fossil records of Riccia spores in the Quaternary deposits. They are rarely reported and identified to the species level during routine pollen analysis. In the available sequences 5 species, including R. cavernosa, R. beyrichiana, R. sorocarpa, R. crinita and R. bifurca were noted. The occurrence of spores in fossil records proves the existence of temporary wet habitats characteristic both for natural environments (e.g. temporary dry lake shores or peat bogs) as well as habitats resulting from human activity, e.g. microhabitats in crops and pastures or trench walls. The spores recorded in sequences present an opportunity for discussion of their potential use as proxies in palaeoenvironmental reconstructions

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The relationship between vegetation and modern pollen assemblages on Mount Paggeo (NE Greece)

Cited by 8 publications

References 25 publications

Modern pollen – vegetation – plant diversity relationships across large environmental gradients in northern Greece

Modern pollen – vegetation – plant diversity relationships across large environmental gradients in northern Greece

Phytosociological and ecological discrimination of Mediterranean cypress ('Cupressus sempervirens') communities in Crete (Greece) by means of pollen analysis

Studia Quaternaria

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