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57 results for “threatened plants”
Projected climate change threatens significant range contraction of Cochemiea halei (Cactaceae), an island endemic, serpentine adapted plant species at risk of extinction
<p>Threats faced by narrowly distributed endemic plant species in the face of the Earth's sixth mass extinction and climate change exposure are especially severe for taxa on islands. We investigated the current and projected distribution and range changes of Cochemiea halei, an island endemic cactus. This taxon is of conservation concern, currently listed as vulnerable on the International Union for the Conservation of Nature Red List and as a species of special concern under Mexican federal law.</p> <p>The goals of this study are to 1). identify the correlations between climate variables and current suitable habitat for C. halei; 2). determine if the species is a serpentine endemic or has a facultative relationship with ultramafic soils; 3). predict range changes of the species based on climate change scenarios.</p> <p>Location: The island archipelago in Bahía Magdalena on the Pacific coast, Baja California Sur, Mexico.</p> <p>Main conclusions: The occurrence of the species is found to be strongly correlated with ultramafic soils. The most important climate predictor for habitat suitability is annual temperature range. The species is predicted to undergo range contractions from 21% to 53%, depending on the severity and duration of exposure to climate change. The broader implications for a wide range of narrowly adapted, threatened and endemic plant species indicate an urgent need for threat assessment based on habitat suitability and climate change modeling.</p>
SNP dataset for the threatened plant species Dinizia jueirana-facao (Fabaceae)
<p>By performing sensitivity analyses, we empirically investigated how decisions about the percentage of missing data (MD) and the minor allele frequency (MAF) set in bioinformatic processing of genomic data affect direct (i.e., parentage analysis) and indirect (i.e., fine-scale spatial genetic structure - SGS) gene flow estimates. We focus specification on these manifestations in small plant populations, and specifically, in the rare tropical plant species <i>Dinizia jueirana-facao</i>, where assumptions implicit to analytical procedures for accurate estimates of gene flow may not hold. Avoiding biases in dispersal estimates are essential given this species is facing extinction risks due to habitat loss, and so we also investigate the effects of forest fragmentation on the accuracy of dispersal estimates under different filtering criteria by testing for recent decrease in the scale of gene flow. Our sensitivity analyses demonstrate that gene flow estimates are robust to different setting of MAF (0.05 to 0.35) and MD (0 to 20%). Comparing the direct and indirect estimates of dispersal, we find that contemporary estimates of gene dispersal distance (<i>σ<sub>r</sub></i><sub>t</sub> = 41.8 m) was ~ fourfold smaller than the historical estimates, supporting the hypothesis of a temporal shift in the scale of gene flow in <i>D. jueirana-facao</i>, which is consistent with predictions based on recent, dramatic forest fragmentation process. While we identified settings for filtering genomic data to avoid biases in gene flow estimates, we stress that there is no 'rule of thumb' for bioinformatic filtering or that relying on default program settings is advisable. Instead, we suggest that the approach implemented here be applied independently in each separate empirical study to confirm appropriate settings to obtain unbiased population genetics estimates.</p>
Fig. 8 in Taxonomic revision of Saxicolella (Podostemaceae), African waterfall plants highly threatened by Hydro-Electric projects
Fig. 8. Saxicolella futa. Habit of the dead plant at the end of the dry season-start of the wet season. June 2013, chute de Sal'aa. PHOTO: M. cHEEK.
Fig. 1. Saxicolella flabellata. A in Taxonomic revision of Saxicolella (Podostemaceae), African waterfall plants highly threatened by Hydro-Electric projects
Fig. 1. Saxicolella flabellata. A habit, flowering plant; B leafy, flowering shoot; C portion of root with young spathellae and shoots; D group of spathellae each terminal in a leaf rosette; E developing flower inside spathellum; F mature flower (spathellum opened); G stamen; H dyad pollen; J dehisced unilocular capsule showing seed; K transverse section of ovary (diagrammatic). From Keay in FHI 28240. ALL DRAWN BY E. MARGARET STONES (Originally published in Taylor (1953: 54) reproduced with permission of the estate of Margaret Stones and the Natural History Museum, London) © the estate of Margaret Stones.
SNP dataset for the threatened plant species Dinizia jueirana-facao (Fabaceae)
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Data from: Interacting livestock and fire may both threaten and increase viability of a fire-adapted Mediterranean carnivorous plant
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High resolution distribution modelling of a threatened short-range endemic plant informed by edaphic factors.
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Data from: Mining microsatellite markers from public expressed sequence tags databases for the study of threatened plants
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Data from: Can physiographic regions substitute for genetically-determined conservation units? A case study with the threatened plant, Silene spaldingii
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Projected climate change threatens significant range contraction of Cochemiea halei (Cactaceae), an island endemic, serpentine adapted plant species at risk of extinction
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Figure 1 from: Fišer Ž, Aronne G, Aavik T, Akin M, Alizoti P, Aravanopoulos F, Bacchetta G, Balant M, Ballian D, Barazani O, Bellia AF, Bernhardt N, Bou Dagher Kharrat M, Bugeja Douglas A, Burkart M, Ćalić D, Carapeto A, Carlsen T, Castro S, Colling G, Cursach J, Cvetanoska S, Cvetkoska C, Ćušterevska R, Daco L, Danova K, Dervishi A, Djukanović G, Dragićević S, Ensslin A, Evju M, Fenu G, Francisco A, Gallego PP, Galloni M, Ganea A, Gemeinholzer B, Glasnović P, Godefroid S, Goul Thomsen M, Halassy M, Helm A, Hyvärinen M, Joshi J, Kazić A, Kiehn M, Klisz M, Kool A, Koprowski M, Kövendi-Jakó A, Kříž K, Kropf M, Kull T, Lanfranco S, Lazarević P, Lazarević M, Lebel Vine M, Liepina L, Loureiro J, Lukminė D, Machon N, Meade C, Metzing D, Milanović Đ, Navarro L, Orlović S, Panis B, Pankova H, Parpan T, Pašek O, Peci D, Petanidou T, Plenk K, Puchałka R, Radosavljević I, Rankou H, Rašomavičius V, Romanciuc G, Ruotsalainen A, Šajna N, Salaj T, Sánchez-Romero C, Sarginci M, Schäfer D, Seberg O, Sharrock S, Šibík J, Šibíková M, Skarpaas O, Stanković Neđić M, Stojnic S, Surina B, Szitár K, Teofilovski A, Thoroddsen R, Tsvetkov I, Uogintas D, Van Meerbeek K, van Rooijen N, Vassiliou L, Verbylaitė R, Vergeer P, Vít P, Walczak M, Widmer A, Wiland-Szymańska J, Zdunić G, Zippel E (2021) ConservePlants: An integrated approach to conservation of threatened plants for the 21st Century. Research Ideas and Outcomes 7: e62810. https://doi.org/10.3897/rio.7.e62810
Figure 1 Species conservation word cloud.
Figure 8 from: Nualart N, Ibáñez N, Luque P, Pedrol J, Vilar L, Guàrdia R (2017) Dataset of herbarium specimens of threatened vascular plants in Catalonia. PhytoKeys 77: 41-62. https://doi.org/10.3897/phytokeys.77.11542
Figure 8 - Collecting months according the specimens labels.
Figure 7 from: Nualart N, Ibáñez N, Luque P, Pedrol J, Vilar L, Guàrdia R (2017) Dataset of herbarium specimens of threatened vascular plants in Catalonia. PhytoKeys 77: 41-62. https://doi.org/10.3897/phytokeys.77.11542
Figure 7 - Collecting years according the specimens labels.
Figure 2 from: Nualart N, Ibáñez N, Luque P, Pedrol J, Vilar L, Guàrdia R (2017) Dataset of herbarium specimens of threatened vascular plants in Catalonia. PhytoKeys 77: 41-62. https://doi.org/10.3897/phytokeys.77.11542
Figure 2 - Origin herbarium of the specimens included in the dataset.
Figure 1 from: Nualart N, Ibáñez N, Luque P, Pedrol J, Vilar L, Guàrdia R (2017) Dataset of herbarium specimens of threatened vascular plants in Catalonia. PhytoKeys 77: 41-62. https://doi.org/10.3897/phytokeys.77.11542
Figure 1 - Location of Catalonia and elevation map of the study area.
Figure 5 from: Nualart N, Ibáñez N, Luque P, Pedrol J, Vilar L, Guàrdia R (2017) Dataset of herbarium specimens of threatened vascular plants in Catalonia. PhytoKeys 77: 41-62. https://doi.org/10.3897/phytokeys.77.11542
Figure 5 - Distribution map of the specimens for UTM grid of 10 km2 for each herbarium.
Figure 4 from: Nualart N, Ibáñez N, Luque P, Pedrol J, Vilar L, Guàrdia R (2017) Dataset of herbarium specimens of threatened vascular plants in Catalonia. PhytoKeys 77: 41-62. https://doi.org/10.3897/phytokeys.77.11542
Figure 4 - Distribution map of the number of specimens for UTM grid of 10 km2.
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Allen Brain Atlas
Allen Brain Atlas is an Allen Institute collection of brain map atlases, datasets, APIs, and analysis tools covering mouse, human, and non-human primate brain resources.
Annotated Behaviour and Observability Dataset (ABODe)
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DANDI Archive for NWB datasets
DANDI is a BRAIN Initiative archive for publishing and sharing neurophysiology data, including electrophysiology, optophysiology, and behavioral data packaged as NWB and related standards.
International Brain Laboratory public data
The International Brain Laboratory public data releases expose standardized mouse decision-making experiments, including Neuropixels recordings, widefield calcium imaging, behavior, and session metadata accessed through the ONE API.
OpenNeuro
OpenNeuro is a free, open platform for sharing neuroimaging datasets, with public search, dataset pages, and download paths for web, S3, DataLad, and the OpenNeuro CLI.