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Species richness captures plant functional and phylogenetic diversity variations along diferent ecosystems on the hillsides of Damavand Mountain (Iran)

  • The phylogenetic diversity (PD) can be used as a proxy for measures of functional diversity (FD); this relationship between PD and FD is premised on the reasonable assumption that evolutionary diversification has generated trait diversification, which in turn may result in greater niche complementarity. Functional traits have been used in various applications, from assemblage ecology looking at the relationship between functional diversity, environmental filtering, and assemblage structure. We used a trait-based approach, quantifying variations in the leaf-height-seed (LHS) scheme and functional and phylogenetic indices in semi-arid communities from three different habitats (grasslands, shrubland, and mixed habitats). To do so, three functional traits including specific leaf area (SLA), vegetation height (VH), and seed mass (SM) were measured in three habitats. We calculated at the plot scale, community weighted means (CWM) for each trait, species richness, Faith’s phylogenetic diversity index (PD), functional richness (Frich),The phylogenetic diversity (PD) can be used as a proxy for measures of functional diversity (FD); this relationship between PD and FD is premised on the reasonable assumption that evolutionary diversification has generated trait diversification, which in turn may result in greater niche complementarity. Functional traits have been used in various applications, from assemblage ecology looking at the relationship between functional diversity, environmental filtering, and assemblage structure. We used a trait-based approach, quantifying variations in the leaf-height-seed (LHS) scheme and functional and phylogenetic indices in semi-arid communities from three different habitats (grasslands, shrubland, and mixed habitats). To do so, three functional traits including specific leaf area (SLA), vegetation height (VH), and seed mass (SM) were measured in three habitats. We calculated at the plot scale, community weighted means (CWM) for each trait, species richness, Faith’s phylogenetic diversity index (PD), functional richness (Frich), functional and phylogenetic mean pairwise dissimilarities (MPD), and nutrient concentration. The results showed that the first Soil_PCA axis (explaining 37.1% of the total variance) showed a high loading of soil nutrients (N, P, K, OM) and pH, while the second axis (which explained 22.1% 224 of the variance) exhibited a high loading of pH at the top and K at the bottom. Also, the higher soil nutrient concentration and pH were significant and positively related with species and functional richness and Faith’s phylogenetic diversity.show moreshow less

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Metadaten
Author: Majid Sadeghinia, Mansoureh Kargar, Enrique Garcia de la RivaORCiD
DOI:https://doi.org/10.1007/s12517-022-11141-y
ISSN:1866-7538
Title of the source (English):Arabian Journal of Geosciences
Document Type:Scientific journal article peer-reviewed
Language:English
Year of publication:2023
Tag:Community weighted means; Functional richness; Grassland; LHS scheme; Mean pairwise dissimilarities; Plant traits; Shrubland; Soil nutrients
Volume/Year:16
Issue number:1
Article number:41
Faculty/Chair:Fakultät 2 Umwelt und Naturwissenschaften / FG Ökologie
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