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9 results for “Ecological species concept”
Data from: Visualizing connectivity of ecological and evolutionary concepts – an exploration of research on plant species rarity
<p>Understanding the ecological and evolutionary factors that influence species rarity has important theoretical and applied implications, yet the reasons why some species are rare while others are common remain unresolved. As a novel exploration of scientific knowledge, we used network analysis conceptually to visualize the foci of a comprehensive base of >800 studies on plant species rarity within the context of ecology and evolution. In doing so, we highlight existing research strengths that could substantiate novel syntheses and gaps that could inspire new research. Our results reveal strong integrated foci on population dynamics with other ecological concepts. In contrast, despite the potential for ecological and evolutionary processes to interact, few studies explored the interplay of environmental factors and microevolutionary patterns. The cellular and molecular biology, physiology, and plasticity of rare plant species within both ecological and evolutionary contexts similarly provide avenues for impactful future investigations.</p>
Fig. 7 in Ecological and spatial patterns associated with diversification of South American Physaria (Brassicaceae) through the general concept of species
Fig. 7 Climatic niche comparisons along the environmental space using hypervolumes for delimited lineages of South American Physamia. (a–c) Hypervolumes (point density and alpha-hull contour boundary) for delimited lineages of South American Physamia representing their climatic niches, and estimated using the values extracted from the components of the PCA-env (first three components). (a) PCenv1 vs PCenv2. (b) PCenv1 vs PCenv3. (c) PCenv2 vs PCenv3. (d) Phylomorphospace plot showing niche position between delimited lineages obtained using centroid distances between each pair of hypervolumes and multidimensional scaling
Fig. 4 in Ecological and spatial patterns associated with diversification of South American Physaria (Brassicaceae) through the general concept of species
Fig. 4 Phylogenetic placement of sampled specimens of South American Physamia. (a–c) Maximum clade credibility (MCC) tree generated by Bayesian inference with BEAST 1.8.4. (a) nrITS dataset. (b) cpDNA dataset (tmnL-F/tmnH-psbA/tmnG intron/tmnS-tmnG). (c) Concatenated ITS + cpDNA datasets. (d) MCC tree estimated from ITS and cpDNA datasets using the multispecies coalescent method implemented in *BEAST v.1.8.4. The small circles on nodes indicate posterior probability (pp): black circles pp≥0.9, gray circles 0.9>pp≥0.7, white circles
Fig. 1 in Ecological and spatial patterns associated with diversification of South American Physaria (Brassicaceae) through the general concept of species
Fig. 1 Representatives of South American Physamia. a–c P. cmassistigma. a Plant with flowers. b Plant with fruits. c Detail of fruits. d–e P. latemalis. d Plant with flowers and fruits. e Detail of fruits. f–g P. mendocina. f Plant with flowers. g Plant with fruits. h–i P. pygmaea. h Plant with flowers and fruits. i Details of fruits. j–l P. umbaniana. j Plant with flowers. k Plant with fruits. l Detail of fruits. a–c from Salamiato et al.
Fig. 6 in Ecological and spatial patterns associated with diversification of South American Physaria (Brassicaceae) through the general concept of species
Fig. 6 Geographic and climatic niche distribution for delimited lineages of South American Physamia. (a) Maximum clade credibility (MCC) species tree estimated from ITS and cpDNA datasets using the multispecies coalescent method implemented in *BEAST 1.8.4 and the hypothesis of six independently evolving lineages. Numbers on branches correspond to posterior probability. (b) Geographic distribution of lineages: green,
Fig. 5 in Ecological and spatial patterns associated with diversification of South American Physaria (Brassicaceae) through the general concept of species
Fig. 5 Results of species delimitation analyses. (a) Results from GMYC (discovery approach), BPP, and BFD (validation approaches) plotted onto the MCC tree obtained with the concatenated ITS+cpDNA dataset. GMYC analyses were conducted using MCC trees obtained with nrITS, cpDNA, concatenated nrITS+cpDNA, and coalescence nrITS–cpDNA analyses. BPP analyses were conducted using six different combinations
Fig. 3 in Ecological and spatial patterns associated with diversification of South American Physaria (Brassicaceae) through the general concept of species
Fig. 3 Median-joining networks of a, nrITS dataset; b, cpDNA dataset (tmnLF, tmnH-psbA, tmnG intron, tmnS-tmnG spacer). Six morphologically defined species are distinguished by different colors: blue, P. cmassistigma; pink, P. latemalis; red, P. mendocina; black, P. okanensis; yellow, P. pygmaea; green: P. umbaniana. Intermediate (unobserved) haplotypes are distinguished by small gray circles. Circle sizes correspond to relative numbers of in- dividuals sharing a particular haplotype
Data from: Visualizing connectivity of ecological and evolutionary concepts – an exploration of research on plant species rarity
Open the record for dataset details and reuse information.
Fig. 2 in Ecological and spatial patterns associated with diversification of South American Physaria (Brassicaceae) through the general concept of species
Fig. 2 Distribution map of South American Physamia. Dots represent specimens of South American Physamia species. Blue: P. cmassistigma, pink: P. latemalis, red: P. mendocina, black: P. okanensis, yellow: P. pygmaea, green: P. umbaniana. Labels associated with dots indicate sampled specimens used in the molecular analyses (see Appendix 1 for complete vouchers)
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