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Leaf Maximum Photosynthetic Rate and Venation Are Linked by Hydraulics1[W][OA]
Sampling 43 species across the breadth of plant diversity from mosses to flowering plants, it was found that the post-vein traverse as determined by characters such as vein density, leaf thickness, and cell shape was strongly correlated with the hydraulic conductivity and maximum photosynthetic rate of foliage. Expand
Decline of a biome: Evolution, contraction, fragmentation, extinction and invasion of the Australian mesic zone biota
A review confirms long-held views of the ancestral position of the Australian mesic biome but also reveals new insights into the complexity of the processes of contraction, fragmentation, extinction and invasion during the evolution of this biome. Expand
Phylogenetic biome conservatism on a global scale
It is shown that biome stasis at speciation has outweighed biome shifts by more than 25:1, by inferring ancestral biomes for an ecologically diverse sample of more than 11,000 plant species from around the Southern Hemisphere. Expand
Eocene continental climates and latitudinal temperature gradients: Comment and Reply
Greenwood and Wing's (1995) use of leaf physiognomy to show relatively equable high-latitude continental climates during the Eocene is invalid because their method is based on a circular argument.… Expand
Testing the impact of calibration on molecular divergence times using a fossil-rich group: the case of Nothofagus (Fagales).
It is suggested that increased background research should be made at all stages of the calibration process to reduce errors wherever possible, from verifying the geochronological data on the fossils to critical reassessment of their phylogenetic position. Expand
Leaf hydraulic vulnerability is related to conduit dimensions and drought resistance across a diverse range of woody angiosperms.
The data indicate a link between the structural mechanics of leaf xylem and hydraulic function under water stress, suggesting that leaf Xylem is dimensioned to avoid wall collapse. Expand
Sensitivity of leaf size and shape to climate: global patterns and paleoclimatic applications.
It is demonstrated that the inclusion of additional leaf traits that are functionally linked to climate improves paleoclimate reconstructions and illustrates the need for better understanding of the impact of phylogeny and leaf habit on leaf-climate relationships. Expand
Evolution of stomatal responsiveness to CO(2) and optimization of water-use efficiency among land plants.
The data suggest that the angiosperms have mechanisms for detecting and responding to increases in C(a) that are absent from earlier diverging lineages, and these mechanisms impart a greater capacity to optimize water-use efficiency. Expand
Glacial refugia and reticulate evolution: the case of the Tasmanian eucalypts.
- G. McKinnon, G. Jordan, R. Vaillancourt, D. Steane, B. Potts
- Biology, Medicine
- Philosophical transactions of the Royal Society…
- 29 February 2004
Maternally inherited chloroplast DNA reveals a long-term persistence of eucalypts in southeastern Tasmanian refugia, coupled with introgressive hybridization involving many species, supporting the hypothesis that changes in distribution of interfertile species during the Quaternary have promoted reticulate evolution in EucalyPTus. Expand
Conifer species adapt to low-rainfall climates by following one of two divergent pathways
- T. Brodribb, S. McAdam, G. Jordan, S. C. Martins
- Medicine, Biology
- Proceedings of the National Academy of Sciences
- 22 September 2014
It is shown that the evolution of drought resistance follows two distinct pathways, both involving the coordinated evolution of tissues regulating water supply (xylem) and water loss (stomatal pores) in leaves, indicating a critical interaction between xylem and stomatal tissues during the process of evolution to dry climates. Expand