Comparison of phylogenetic and taxonomic diversity of pitcher plant bogs in Georgia’s Coastal Plain

Flood, Melanie C.; Burgess, Kevin S.; Kruse, Lisa M.; Ballenger, Julie; Worthy, Samantha J.

doi:10.1007/s11258-023-01319-z

Cited by 1 publication

(2 citation statements)

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“…The authors also highlighted that there is a lack of understanding of the turnover of tropical plant lineages due to the restrictiveness of most studies focusing on areas with limited geographical extent, as well as the paucity of species distribution data or phylogenies [37]. The same caveats exist in coastal ecosystems where most studies are geared toward a regional setting (e.g., [38][39][40][41]), specific taxa (e.g., [42]) and whereas others do not include bioclimatic variables (e.g., [27,29,40]).…”

Section: Introductionmentioning

confidence: 99%

“…There are also good DNA barcoding sequences [40], species distribution data [45] and climatic data layers available that are open source. Therefore, this study also shows how the utilisation of a combination of freely available data are used to study various hypotheses related to coastal biogeography and the potential conservation application thereof.…”

Section: Introductionmentioning

confidence: 99%

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The Influence of Macroclimatic Drivers on the Macrophyte Phylogenetic Diversity in South African Estuaries

Veldkornet

2023

Diversity

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The geographical distribution of plants is influenced by macroclimate and dispersal limitations, which have led to lineage isolation and subsequent diversification within and across various environmental gradients. Macroclimatic variables in coastal wetlands influence plant species and lineages across biogeographical boundaries. This study aimed to determine the influence of macroclimatic variables on species and phylogenetic richness in South African estuaries. Open-source chloroplast DNA barcoding sequences, species distribution and climatic data layers were used to determine the relationship between species richness, MPD, MNTD and each bioclimatic variable individually. Temperate species richness and phylogenetic diversity were positively correlated with temperature bioclimatic variables whereas subtropical and tropical species were associated with increases in precipitation. Phylogenetic niche conservatism is evident in malvids and rosids which are restricted to tropical and subtropical regions due to their physiological adaptations to tropical climates. Caryophylales was mostly associated with temperate regions. Poales and Alismatales showed wide distributions that is likely attributed to traits related to wind pollination and hydrochory, rapid, clonal, and high reproductive output, tolerance to stressful conditions, and intraspecific genetic diversity. The findings highlight the importance of considering macroclimate and phylogenetic factors in understanding the distribution and diversity of coastal wetland plants.

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