Search Results - "Verboom, G. Anthony"
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Quantitative evaluation of the drivers of species richness in a Mediterranean ecosystem (Cape, South Africa)
Published in Annals of botany (10-05-2024)“…Mediterranean ecosystems have a high vascular plant species richness (SR) relative to their surface area. This SR, representing the balance between speciation…”
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Nitrogen regulation of transpiration controls mass-flow acquisition of nutrients
Published in Journal of experimental botany (01-01-2014)“…To test whether N regulates transpiration, Phaseolus vulgaris was grown with N placed at one of six distances behind a root-impenetrable mesh whilst control…”
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Ecophysiological significance of leaf size variation in Proteaceae from the Cape Floristic Region
Published in Functional ecology (01-06-2010)“…1. Small leaves of species endemic to Mediterranean-type climate areas have been associated with both low rainfall and nutrient availability, but the…”
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importance of nutritional regulation of plant water flux
Published in Oecologia (01-08-2009)“…Transpiration is generally considered a wasteful but unavoidable consequence of photosynthesis, occurring because water is lost when stomata open for CO₂…”
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Does a tradeoff between trait plasticity and resource conservatism contribute to the maintenance of alternative stable states?
Published in The New phytologist (01-09-2019)“…Phenotypic plasticity facilitates species persistence across resource gradients but may be limited in low-resource environments requiring resource…”
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Do hydraulic redistribution and nocturnal transpiration facilitate nutrient acquisition in Aspalathus linearis?
Published in Oecologia (01-08-2014)“…The significance of soil water redistribution by roots and nocturnal transpiration for nutrient acquisition were assessed for deep-rooted 3-year-old leguminous…”
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Plant size: a key determinant of diversification?
Published in The New phytologist (01-10-2017)“…Summary Explaining the variation in diversification rate across groups of plants has long been an important goal of botanists. In plants, complex scenarios…”
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Topography as a driver of diversification in the Cape Floristic Region of South Africa
Published in The New phytologist (01-07-2015)“…The rugged topography of the Cape Floristic Region (CFR), South Africa, is frequently invoked to explain the spectacular radiation of the Cape flora, but the…”
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Environmental correlates of biome-level floristic turnover in South Africa
Published in Journal of biogeography (01-08-2017)“…Aim Biomes are defined according to the growth forms of their dominant species but also contrast in floristic composition. Biome boundaries thus represent…”
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Dated Plant Phylogenies Resolve Neogene Climate and Landscape Evolution in the Cape Floristic Region
Published in PloS one (30-09-2015)“…In the context of molecularly-dated phylogenies, inferences informed by ancestral habitat reconstruction can yield valuable insights into the origins of…”
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origins and diversification of C₄ grasses and savanna-adapted ungulates
Published in Global change biology (01-10-2009)“…C₄ grasses constitute the main component of savannas and are pervasive in other dry tropical ecosystems where they serve as the main diet for grazing animals…”
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Phylogenetic Relatedness Limits Co‐occurrence at Fine Spatial Scales: Evidence from the Schoenoid Sedges (Cyperaceae: Schoeneae) of the Cape Floristic Region, South Africa
Published in The American naturalist (01-07-2006)“…Species co‐occurrence at fine spatial scales is expected to be nonrandom with respect to phylogeny because of the joint effects of evolutionary (trait…”
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Diversification rate vs. diversification density: Decoupled consequences of plant height for diversification of Alooideae in time and space
Published in PloS one (26-05-2020)“…While biodiversity hotspots are typically identified on the basis of species number per unit area, their exceptional richness is often attributed, either…”
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Topography as a driver of cryptic speciation in the high-elevation cape sedge Tetraria triangularis (Boeck.) C. B. Clarke (Cyperaceae: Schoeneae)
Published in Molecular phylogenetics and evolution (01-08-2014)“…[Display omitted] •Nr- and cp-DNA identify anciently-diverged lineages representing distinct species.•Weak morphological differentiation identifies these…”
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Extinction risk patterns in a biodiversity hotspot—The case of Thesium (Santalaceae) in the Greater Cape Floristic Region
Published in Conservation science and practice (01-06-2023)“…Ecologically specialized plants are expected to be at greater risk of extinction than generalists due to climate change. Such risk is greatest in biodiversity…”
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Phylogeny of Cyperaceae Based on DNA Sequence Data: Current Progress and Future Prospects
Published in The Botanical review (01-03-2009)“…In the last decade, efforts to reconstruct suprageneric phylogeny of the Cyperaceae have intensified. We present an analysis of 262 taxa representing 93 genera…”
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Ecology limits the diversity of the Cape flora: Phylogenetics and diversification of the genus Tetraria
Published in Molecular phylogenetics and evolution (01-03-2014)“…•We test if diversification in Tetraria slowed due to ecological niche saturation.•Diversification slowed as species accumulated, suggesting ecological…”
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Radiation and repeated transoceanic dispersal of Schoeneae (Cyperaceae) through the southern hemisphere
Published in American journal of botany (01-12-2013)“…• Premise of the study: The broad austral distribution of Schoeneae is almost certainly a product of long-distance dispersal. Owing to the inadequacies of…”
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The roles of climate and soil nutrients in shaping the life histories of grasses native to the Cape Floristic Region
Published in Plant and soil (01-06-2012)“…Aims We hypothesized that in seasonally-arid systems the evolution of annuality is controlled by both moisture regime and substrate quality, with infertile…”
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Evidence that species richness begets species richness
Published in Journal of biogeography (01-04-2024)“…Aim The variability in regional species richness is determined by the balance between speciation, extinction, and migration, but the underlying causes of high…”
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