What Is the ‘True’ Mediterranean-Type Vegetation?

Blumler, Mark A.

doi:10.1007/978-3-319-68738-4_6

Cited by 5 publications

(5 citation statements)

References 38 publications

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“…Hemicryptophytes are over-represented in boreal and arctic habitats and, to some extent, at higher elevations. On the other hand, this life-form is generally less common at lower elevations in, for example, Mediterranean areas, where therophytes are more common [29]. Therefore, our findings suggest that hemicryptophytes in hotspots, especially Mediterranean-type climate regions (e.g., California Floristic Province, Cape Floristic Region, Mediterranean Basin), may be more prone to extinction than other lifeforms.…”

Section: Taxonomic Uniqueness and Life-formsmentioning

confidence: 63%

Recent Anthropogenic Plant Extinctions Differ in Biodiversity Hotspots and Coldspots

et al. 2019

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Section: Taxonomic Uniqueness and Life-formsmentioning

confidence: 63%

Recent Anthropogenic Plant Extinctions Differ in Biodiversity Hotspots and Coldspots

et al. 2019

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“…Thanks to their ability to cope with thermo-xeric climatic conditions, therophytes are the regionally richest group in Mediterranean areas [20,40]. In these areas, the therophytes are mainly associated with warm and dry lowland sites [20,40,100] with a high degree of precipitation seasonality [100], and decline sharply with elevation, which suggests a low ability to tolerate decreasing temperature and increasing precipitation [20,33,40,41,101,102]. The small number of therophytes recorded in our study system can be therefore explained by the mountainous character of the study area (as expected), and is in line with the small number of annual species typically recorded at high elevations, where they usually represent less than 2% of the total alpine flora [6,41].…”

Section: Discussionmentioning

confidence: 99%

Variations in Plant Richness, Biogeographical Composition, and Life Forms along an Elevational Gradient in a Mediterranean Mountain

Biase

Pace

Mantoni

et al. 2021

Plants

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Despite the increasing interest in elevational patterns in biodiversity, few studies have investigated variations in life forms and biogeographical composition, especially in the Mediterranean biome. We investigated elevational patterns in species richness, biogeographical composition (chorotypes) and life forms (Raunkiaer classification) along an elevational gradient in a Mediterranean mountain (Central Italy). We found a general hump-shaped pattern of species richness, which can be explained by harsher conditions at the lowest and highest elevations. This pattern is distinctly related to prevalence at mid elevations of species with European and Euro-Asiatic distribution, which are favored by a temperate climate. Phanerophytes and geophytes (which are mainly associated with woods) were concentrated at mid elevations where woodlands prevail. Hemicryptophytes increased with elevation, consistently with their ability to cope with high altitude climatic conditions. Mediterranean species declined with elevation because they are negatively affected by decreasing temperatures. Chamaephytes showed a U-shaped pattern, suggesting they are able to cope with arid and cold conditions at the extremes of the gradient. Endemics increased with elevation because of their association with mountainous areas as key places for endemism evolution. These results illustrate how elevational patterns in species richness, biogeographical composition and life forms are interrelated and demonstrate reciprocal insights for understanding current vegetation settings.

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“…Empirical data, collected originally by Raunkiaer (1934) and reinforced by more recent studies, suggest a greater tendency of annual species to flourish in seasonally dry than in arid environments. Blumler (2018) reported that Therophytes tended to occur in sites with warmer and drier conditions, and therefore the arable soils which occurred in Lake Amvrakia offer favorable conditions for these species to develop compared to Lake Ozeros where different land uses occur.…”

Section: Discussion Discussion Discussionmentioning

confidence: 99%

Plant species diversity of the wet meadows under natural and anthropogenic interventions: The case of the Lakes Amvrakia and Ozeros (W. Greece)

Zotos

Kosma

Triantafyllidis

et al. 2021

Not Bot Horti Agrobo

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The Lakes Amvrakia and Ozeros (W. Greece) belong to the western chain of Greek wetlands running along the coast of the Ionian Sea. They are both natural lakes belonging to the Natura 2000, Site of Community Importance (pSCI) and are characterized by high ecological value. Wet meadows are typical habitat types of these wetland ecosystems which are in contact with rural ecosystems which they interact with. Due to the high conservation value of these habitat types, in the framework of this study the flora of the wet meadows was recorded and a floristic analysis concerning chorology, life forms and habitat preferences was made. A total number of 152 taxa was found in the wet meadows of both lakes from which only 47 taxa were common. The families with the greatest number of species were Fabaceae (22 taxa), Asteraceae (14 taxa) and Poaceae (9 taxa) for the wet meadow vegetation of the Lake Amvrakia and Fabaceae, Poaceae (17 and 13 taxa, respectively) for the Lake Ozeros. In both lakes the prevalence of the Therophytes is evident, while the life forms of Chamephytes and Aquatics were absent from the Lake Amvrakia. From the results of the canonical correspondence analysis among species, sampling plots and selected environmental variables, a clear separation between species and sampling plots was found, presenting strong correlation with specific edaphic parameters (pH, CaCO3, EC, , Total N, SOC and ). These edaphic properties, as a result of natural and anthropogenic interventions, seem to play an important role in the wet meadows plant species distribution pattern.

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What Is the ‘True’ Mediterranean-Type Vegetation?

Cited by 5 publications

References 38 publications

Recent Anthropogenic Plant Extinctions Differ in Biodiversity Hotspots and Coldspots

Recent Anthropogenic Plant Extinctions Differ in Biodiversity Hotspots and Coldspots

Variations in Plant Richness, Biogeographical Composition, and Life Forms along an Elevational Gradient in a Mediterranean Mountain

Plant species diversity of the wet meadows under natural and anthropogenic interventions: The case of the Lakes Amvrakia and Ozeros (W. Greece)

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