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74 results for “range restricted species”
Mammalian herbivores restrict the altitudinal range limits of three alpine grass species (transplant and herbivore exclusion experiment and demographic data from natural populations), West Elk Mountains, Colorado, USA 2015-2018
Though rarely experimentally tested, biotic interactions have long been hypothesized to limit low-elevation range boundaries of species. We tested the effects of herbivory on three alpine-restricted plant species by transplanting plants below (novel), at the edge (limit), or in the center (core) of their current elevational range and factorially fencing-out above- and belowground mammals in the West Elk Mountains, Colorado, USA from 2015-2018. Herbivore damage was greater in range limit and novel habitats than in range cores. Exclosures increased plant biomass and reproduction more in novel habitats than in range cores, suggesting demographic costs of novel interactions with herbivores. We then used demographic models to project population growth rates, which increased 5-20% more under herbivore exclosure at range limit and novel sites than in core habitats. Our results identify mammalian herbivores as key drivers of the low-elevation range limits of alpine plants and indicate that upward encroachment of herbivores could trigger local extinctions by depressing plant population growth.
Molecular species delimitation of larks (Aves: Alaudidae), and integrative taxonomy of the genus Calandrella, with the description of a range-restricted African relic taxon
<p>This deposition contains the phylogenetic and species delimitation data for the manuscript "Molecular species delimitation of larks (Aves: Alaudidae), and integrative taxonomy of the genus <em>Calandrella</em>, with the description of a range-restricted African relic taxon" by Stervander <em>et al</em>. </p> <p>For details of samples/sequences/leaves, please refer to Appendix A of the above manuscript. </p> <p><strong>Phylogenetic analyses</strong></p> <ol> <li>Fasta sequence alignment of cytochrome b for the lark family and outgroups: Alaudidae_cytb_extended_200316.fa</li> <li>BEAST v. 2.6.1 input file: Alaudidae_cytb_HKYGI_BDrelLN_modOp2003_20M1K.xml</li> <li>BEAST v. 2.6.1 output log file: Alaudidae_cytb_HKYGI_BDrelLN_modOp_20M1K.log</li> <li>BEAST v. 2.6.1 output (raw) trees file: Alaudidae_cytb_HKYGI_BDrelLN_modOp_20M1K.trees</li> <li>TreeAnnotator maximum credibility clade tree based on BEAST v. 2.6.1 output, newick format: Alaudidae_cytb_HKYGI_BDrelLN_modOp_20M1K_c40Mbi5.mccmed.nwk</li> </ol> <p><strong>Species delimitation</strong></p> <ol> <li>Input tree, manipulated to remove negative branch lengths (replaced by 0) and tips/leafs that are single representatives of a species, based on current taxonomy (IOC v. 10.2), newick format: Alaudidae_cytb_HKYGI_BDrelLN_c40Mbi5_mccmed_nonNeg_multiSeq_ingroup_remDuplicate.nwk</li> <li>mPTP text output of the multi-rate species delimitation, containing command for run and species delimitation results: Alaudidae200316_cytb_HKYGI_BDrelLN_c40Mbi5_remDuplCaboweni201007_mccmed_delim_varRate_10M_minbrAUTO.1602073064.txt</li> <li>mPTP likelihood log of the multi-rate species delimitation: Alaudidae200316_cytb_HKYGI_BDrelLN_c40Mbi5_remDuplCaboweni201007_mccmed_delim_varRate_10M_minbrAUTO.out.txt</li> <li>mPTP output tree in SVG format, with support values for species delimitation: Alaudidae200316_cytb_HKYGI_BDrelLN_c40Mbi5_remDuplCaboweni201007_mccmed_delim_varRate_10M_minbrAUTO.1602073064.combined.svg</li> </ol>
Fig. 3 in Endemic Families of Madagascar. XIV. a New Restricted Range Species of Pentachlaena H. Perrier (Sarcolaenaceae) from Central Madagascar
Fig. 3. – Geographic distribution of Pentochloeno vestito Andriam., Lowry & G.E. Schatz (stars) and P. lotifolio H. Perrier (circles).
Fig. 2 in Endemic Families of Madagascar. XIV. a New Restricted Range Species of Pentachlaena H. Perrier (Sarcolaenaceae) from Central Madagascar
Fig. 2. – Photographs of Pentochloeno vestito Andriam., Lowry & G.E. Schatz. A. Flowering branch; B. Close-up of flower (note dense indument on lower surface of leaf); C. Adult plant; D. Habitat of type locality, with open wooded grassland and bushland/Tapia woodland and rocky quartzite substrate. [Photos: T. Andriamihajarivo]
Fig. 1 in Endemic Families of Madagascar. XIV. a New Restricted Range Species of Pentachlaena H. Perrier (Sarcolaenaceae) from Central Madagascar
Fig. 1. – Pentochloeno vestito Andriam., Lowry & G.E. Schatz. A. Flowering branch; B. Detail of indument on lower leaf surface; C. Detail of upper leaf surface; D. Flower; E. Detail of androecium; F. Detail of gynoecium; G. Fruit.
Fig. 4 in Endemic Families of Madagascar. XIII. New, restricted range species of Eremolaena Baill. and Schizolaena Thouars (Sarcolaenaceae)
Fig. 4. – Schizolaena charlotteae Lowry & G. E. Schatz. A. Branch with fruiting involucre; B. Flower (from above); C. Involucre surrounding mature fruit; D. Detail of leaf; [A-B, D: Antilahimena 4786; C: RandriataFika & al. 653] [Drawing: R. L. Andriamiarisoa]
Fig. 3 in Endemic Families of Madagascar. XIII. New, restricted range species of Eremolaena Baill. and Schizolaena Thouars (Sarcolaenaceae)
Fig. 3. – Geographic distribution of Eremolaena darainensis Nusb. & Lowry (stars), Schizolaena charlotteae Lowry & G. E. Schatz (circles) and Schizolaena parvipetala Randrian. & Hong-Wa (squares), mapped on the bioclimatic zones of Madagascar (after CORNET, 1974; see SCHATZ, 2000).
Fig. 2 in Endemic Families of Madagascar. XIII. New, restricted range species of Eremolaena Baill. and Schizolaena Thouars (Sarcolaenaceae)
Fig. 2. – Photographs of Eremolaena darainensis Nusb. & Lowry (A-D) and Schizolaena charlotteae Lowry & G. E. Schatz (E). A. Flower, from above (petals fallen); B. Detail of midvein on abaxial leaf surface showing long white stellate trichomes near the margin and small stellate-strigose indument on nerves; C. Flower, from side (2 petals remaining); D. Detail of abaxial surface of a sepal, with stellate-strigose indument on the overlapping part less dense on the left side than on the right side; E. Flower and buds with young involucres. [A-D: Nusbaumer & Ranirison LN 1420; E. RandriataFika & al. 653] [Photos: A-D: L. Nusbaumer; E: P. Lowry].
Fig. 1 in Endemic Families of Madagascar. XIII. New, restricted range species of Eremolaena Baill. and Schizolaena Thouars (Sarcolaenaceae)
Fig. 1. – Eremolaena darainensis Nusb. & Lowry. A. Branch with buds and nearly open flowers; B. Detail of adaxial surface of leaf; C. Bud with pedicel; D. Branch with buds; E. Detail of abaxial surface of leaf; F. Detail of adaxial surface of leaf. [A-C: Ranirison & Nusbaumer PR 936; D-F: Nusbaumer & Ranirison LN 1420] [Drawing: R. L. Andriamiarisoa]
FIG. 5 in Novelties in Erythroxylum P.Browne (Erythroxylaceae) from the Comoros Archipelago: two new, range-restricted and threatened species, and notes on the Mount Choungi biogeographical singularity
FIG. 5. — Distribution of Erythroxylum choungiense E.Bidault, Traclet & M.Pignal, sp. nov. (♦) and E. labatii E.Bidault & M.Pignal, sp. nov. (●) in the Comoros archipelago.
FIG. 4. — Erythroxylum labatii E.Bidault & M in Novelties in Erythroxylum P.Browne (Erythroxylaceae) from the Comoros Archipelago: two new, range-restricted and threatened species, and notes on the Mount Choungi biogeographical singularity
FIG. 4. — Erythroxylum labatii E.Bidault & M.Pignal, sp. nov.: A, stem and immature fruits; B, inflorescence with flower buds and stem portion with cataphylls; C, long-styled flower; D, mature fruit; E, short-styled flower; A, D, photos by J.-N. Labat, B, E, photos by E. Bidault, C, photo by G. Viscardi.
FIG. 1. — Erythroxylum choungiense E in Novelties in Erythroxylum P.Browne (Erythroxylaceae) from the Comoros Archipelago: two new, range-restricted and threatened species, and notes on the Mount Choungi biogeographical singularity
FIG. 1. — Erythroxylum choungiense E.Bidault, Traclet & M.Pignal, sp. nov.: A, habit (dry); B, habit (fresh); C, detail of leaf venation; D, long-styled flower; E, shortstyled flower; F, short-style flower with corolla fallen; G, mature fruit; H, seed; A, C, D-F, Guiot 03 (MAO), B, G, H, no voucher. Drawings by Ludivine Longou. Scale bars: A, B, 2 cm; C, 3 mm; D, E, 1 mm; F, 2 mm; G, H, 1 mm.
FIG. 3. — Erythroxylum labatii E.Bidault & M in Novelties in Erythroxylum P.Browne (Erythroxylaceae) from the Comoros Archipelago: two new, range-restricted and threatened species, and notes on the Mount Choungi biogeographical singularity
FIG. 3. — Erythroxylum labatii E.Bidault & M.Pignal, sp. nov.: A, detail of stem; B, long-styled flower; C, short-styled flower with corolla fallen; D, short-styled flower; E, immature fruit; F, mature fruit; G, habit, dry; H, detail of inflorescence with flower buds; I, detail of cataphyll, abaxial side; A, C, G-I, Labat et al. 3212 (P); B, D, Bidault et al. 63 (P); E, F, Labat et al. 3787 (P). Drawings by Anne-Hélène Paradis. Scale bars: A, B, 2 mm; C, 1 mm; D, 2 mm; E, F, 3 mm; G, 2 cm; H, 2 mm; I, 1 mm.
FIG. 2. — Erythroxylum choungiense E in Novelties in Erythroxylum P.Browne (Erythroxylaceae) from the Comoros Archipelago: two new, range-restricted and threatened species, and notes on the Mount Choungi biogeographical singularity
FIG. 2. — Erythroxylum choungiense E.Bidault, Traclet & M.Pignal, sp. nov.: A, habit; B, terminal leaves with red young leaves; C, long-styled flower; D, shortstyled flowers; E, upper surface of leaves and immature fruits; F, mature fruit and seed; G, lower surface of leaves showing cordate base; A, B, E-G, photos by S. Traclet, C, D, photos by V. Guiot.
Linked collectors and determiners for: Novelties in Erythroxylum P. Browne (Erythroxylaceae) from the Comoros Archipelago: two new, range-restricted and threatened species, and notes on the Mount Choungi biogeographical singularity.
Natural history specimen data linked to collectors and determiners held within, "Novelties in Erythroxylum P. Browne (Erythroxylaceae) from the Comoros Archipelago: two new, range-restricted and threatened species, and notes on the Mount Choungi biogeographical singularity". Claims or attributions were made on Bionomia by volunteer Scribes, <a href="https://bionomia.net/dataset/0855d04a-b2c7-4fd0-90d4-efcdf49b11fd">https://bionomia.net/dataset/0855d04a-b2c7-4fd0-90d4-efcdf49b11fd</a> using specimen data from the dataset aggregated by the Global Biodiversity Information Facility, <a href="https://gbif.org/dataset/0855d04a-b2c7-4fd0-90d4-efcdf49b11fd">https://gbif.org/dataset/0855d04a-b2c7-4fd0-90d4-efcdf49b11fd</a>. Formatted as a Frictionless Data package.
Fig. 4 in Current and future suitable habitats of a range-restricted species group (Cyrtodactylus chauquangensis) in Vietnam
Fig. 4. The potential distribution of the C. chauquangensis species group under climate change scenarios.
Fig. 3 in Current and future suitable habitats of a range-restricted species group (Cyrtodactylus chauquangensis) in Vietnam
Fig. 3. The response curves of the top three highest contribution predictors for the C. chauquangensis species group model. The red line shows the mean response of 25 replicates in the Maxent model, and the blue band illustrates the standard deviation. A, Karst distance; B, Bio2 ‒ Mean diurnal range; C, Bio 14 ‒ Precipitation of Driest Month.
Fig. 2 in Current and future suitable habitats of a range-restricted species group (Cyrtodactylus chauquangensis) in Vietnam
Fig. 2. The potential distribution of the C. chauquangensis species group under present conditions generated by MaxEnt, A, Minimum training presence logistic threshold; B, 10 percentile training presence logistic threshold.
Fig. 1 in Current and future suitable habitats of a range-restricted species group (Cyrtodactylus chauquangensis) in Vietnam
Fig. 1. The occurrence localities of the C. chauquangensis species group.
Recent origin of a range-restricted species with subsequent introgression in its widespread congener in the Phyteuma spicatum group (Campanulaceae)
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