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4,937 results for “Endemic species”
Fig. 2 in Madagascar's living giants: discovery of five new species of endemic giant pill-millipedes from Madagascar (Diplopoda: Sphaerotheriida: Arthrosphaeridae: Zoosphaerium)
Fig. 2. Distribution map of new Zoosphaerium species.
Fig. 24 in Four new narrow-range endemic species of Gulella from Eastern Cape, South Africa (Mollusca: Pulmonata: Streptaxidae)
Fig. 24. Map of northern Eastern Cape showing distribution of new species.
Going, going, gone: evidence for loss of an endemic species pair of threespine sticklebacks (Gasterosteus aculeatus) with implications for protection under species-at-risk legislation
<p>Genomic extinction occurs when the unique combination of genetic traits that characterize distinct phenotypes is eliminated by introgressive hybridization even if population size is greater than zero. Benthic and limnetic threespine sticklebacks (<em>Gasterosteus aculeatus</em>) constitute reproductively isolated undescribed biological species that have evolved independently in several lakes in southwestern British Columbia, Canada (known as "species pairs" in each lake). Here we investigated whether the two species that comprise the pair from Enos Lake, southeastern Vancouver Island, remain as two distinct gene pools. Multi-season samples (>1200 fish) obtained over two years from throughout the lake and assayed for variation in morphological traits characteristic of the two species (i.e., body depth, dorsal spine count, gill raker counts) and at 12 microsatellite DNA loci consistently indicated the existence of only a single group of sticklebacks. There was no consistent evidence of two groups in any morphological trait, and mean gill raker counts were consistently intermediate (20–21) to those of known benthics (~18) and limnetics (~24) which together comprised strikingly bimodal distributions in historical samples. Genetic analyses employing model-based clustering also consistently indicated the presence of only a single genetic group of sticklebacks. Compared to historical samples and to benthics and limnetics from other lakes, no Enos Lake fish could be identified confidently as a pure benthic or limnetic. Our results provide the strongest evidence yet that the Enos Lake sticklebacks now consist of a single morphological and genetic population of sticklebacks, that the unique combination of genetic and morphological traits that characterized benthic and limnetic sticklebacks no longer exist, and that their current status under Canada's <em>Species-at Risk Act</em> as Endangered should be re-evaluated.</p>
Fig. 6 in A taxonomic review of the endemic Mexican genus Ceratotrupes Jekel, 1865 (Coleoptera: Geotrupidae: Ceratotrupini), with the description of an unexpected new species from the Sierra Madre del Sur
Fig. 6. Geographic distribution of the genus Ceratotrupes Jekel, 1865.
Endemic species of ectomycorrhizal fungi support the exceptional productivity of a temperate rainforest
<p>Endemic species of ectomycorrhizal fungi (EMF) can be found throughout many forest biomes, but it is unclear whether their localized distribution is dictated by deterministic processes or geographical barriers to dispersal. We investigated the adaptive characteristics and prevalence of endemic versus cosmopolitan EMF species in perhumid temperate rainforests of southwestern Vancouver Island (Canada), characterized by moist, acidic soils with high nitrogen (N) supply alongside low phosphorus (P) and cation availability. Endemic EMF species, representing almost half of the community, had significantly higher sporocarp N (24% increase), potassium (+16%), and magnesium (+17%) concentrations than cosmopolitan species. Sporocarp P concentrations were low overall, reflecting limited soil P availability, and did not differ by fungal range. However, sporocarp N% and P% were well correlated, and species with higher N concentrations showed an increasing N:P ratio, supporting evidence for the N allocation required to produce organic P-acquiring enzymes. Endemics were also more likely to occur on <em>Tsuga</em> <em>heterophylla</em> (a disjunct host genus) than <em>Picea</em> <em>sitchensis</em> (a circumpolar genus), but pairwise comparisons indicated no differences in abundance by fungal range for either host. Endemics represented a diverse group, with moderate dispersion across the phylogeny. The Inocybaceae and Thelephoraceae families had high proportions of endemic taxa, while Cortinariaceae was largely cosmopolitan, highlighting some niche conservatism in certain lineages but not as an overall pattern. We conclude that superior adaptive traits in relation to perhumid soils were skewed towards the endemic community, underscoring the important contribution of these localized fungi to rainforest nutrition and productivity. </p>
A new, narrowly endemic species of swamp-dwelling dusky salamander (Plethodontidae: Desmognathus) from the Gulf Coastal Plain of Mississippi and Alabama
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Data and scripts from: Most mammals do not wander: few species escape continental endemism
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Distribution patterns and drivers of non-endemic and endemic glires species in China
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Alignments and phylogenetic tree from: A new endemic species of Loasa ser. Macrospermae from northern Chile
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Data from: Transcriptome-based phylogeny of endemic Lake Baikal amphipod species flock: fast speciation accompanied by frequent episodes of positive selection
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Data from: Reproductive isolation and the maintenance of species boundaries 1 in two serpentine endemic Jewelflowers
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Data from: Species-level divergences in multiple functional traits between the two endemic subspecies of Blue Chaffinches Fringilla teydea in Canary Islands
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Endemic species of ectomycorrhizal fungi support the exceptional productivity of a temperate rainforest
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Data from: Pollen limitation in the endangered Chinese endemic species Sinocalycanthus chinensis
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Phylogenomics resolves the Himalayan endemic Brachymeniopsis gymnostoma (Bryophyta, Funariaceae), rediscovered after almost a century, as a species of Entosthodon
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Influence of microhabitat on the distribution of tadpoles of three endemic Nyctibatrachus species (Nyctibatrachidae) from the Western Ghats, India
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Rediscovery of Primula cooperi Balf.f. (Primulaceae), a species endemic to Sikkim, Eastern Himalaya
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Localized environmental heterogeneity drives the population differentiation of two endangered and endemic Opisthopappus Shih species
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Global maps of current (1979-2013) and future (2061-2080) habitat suitability probability for 1,485 European endemic plant species
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Going, going, gone: evidence for loss of an endemic species pair of threespine sticklebacks (Gasterosteus aculeatus) with implications for protection under species-at-risk legislation
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Allen Brain Atlas
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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
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