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1,723 results for “Alpine”
Figure 1 from: Balke M, Ospina-Torres R, Megna YS, Laython M, Hendrich L (2019) A new species of Rhantus diving beetles from the wetlands of the City of Bogota and surroundings (Coleoptera, Dytiscidae, Colymbetinae). Alpine Entomology 3: 169-174. https://doi.org/10.3897/alpento.3.37308
Figure 1 Dorsal habitus of Rhantus andinus (A), R. bogotensis sp. nov. (B), R. vicinus (C), R. franzi (D).
Figure 2 from: Balke M, Ospina-Torres R, Megna YS, Laython M, Hendrich L (2019) A new species of Rhantus diving beetles from the wetlands of the City of Bogota and surroundings (Coleoptera, Dytiscidae, Colymbetinae). Alpine Entomology 3: 169-174. https://doi.org/10.3897/alpento.3.37308
Figure 2 Rhantus spp.: Pronotal margin of R. bogotensis sp. nov. female (A), male (B); R. vicinus female (C); R. bogotensis: surface sculpture on head, frons (D), middle part of pronotum with base and disc (E) elytron, basal area (F).
Figure 1 from: Chittaro Y, Sanchez A (2019) Liste commentée des Bostrichoidea et Derodontoidea de Suisse (Coleoptera: Bostrichiformia, Derodontiformia). Alpine Entomology 3: 175-205. https://doi.org/10.3897/alpento.3.38582
Figure 1 Répartition des espèces du genre Caenocara en Suisse: C. affine (en rouge), C. bovistae (en bleu) et C. subglobosum (en vert). Les limites cantonales suisses sont indiquées.
Figure 2 from: Chittaro Y, Sanchez A (2019) Liste commentée des Bostrichoidea et Derodontoidea de Suisse (Coleoptera: Bostrichiformia, Derodontiformia). Alpine Entomology 3: 175-205. https://doi.org/10.3897/alpento.3.38582
Figure 2 Répartition des espèces de Ptinus du sous-genre Cyphoderes en Suisse: Ptinus bidens (en vert), P. catalonicus (en rouge) et P. raptor (en bleu). Les limites cantonales suisses sont indiquées.
Abb 1-4 from: Germann C (2019) Dritter Nachtrag zur Rüsselkäfer-Fauna der Schweiz (Coleoptera, Curculionoidea). Alpine Entomology 3: 207-212. https://doi.org/10.3897/alpento.3.37761
Abb 1-4 1–2 Männchen (Frankreich, Hautes Pyrenées, Canterets) und Weibchen (Frankreich, Hautes Pyrenées, Gavarnie) von Phyllobius xanthocnemus. 3–4 Männchen (Italia, Valle Formazza) und Weibchen (Österreich, Tauern) von Phyllobius alpinus (Fotos: C. Germann).
Fig. 1 in Gastrointestinal parasite infestation in the alpine mountain hare (Lepus timidus varronis): Are abiotic environmental factors such as elevation, temperature and precipitation affecting prevalence of parasite species?
Fig. 1. Frequency of the number of parasite types. Frequency of the number of parasite types detected per Alpine mountain hare faeces in percent (n = 52) in Vorarlberg (Austria) during the years 2014 and 2015 within an altitudinal range of 1551–2073 m a.s.l.
FIGURE 3 in Rediscover of the Iranian endemic alpine Arenaria bulica after 139 years and note of the related species (Caryophyllaceae)
FIGURE 3. Holotype of Arenaria semiromica (TARI31703). Photo by A. Nejad Falatoury.
FIGURE 4 in Rediscover of the Iranian endemic alpine Arenaria bulica after 139 years and note of the related species (Caryophyllaceae)
FIGURE 4. Arenaria bulica (IRAN78477). Photo by A. Falatoury.
FIGURE 1 in Rediscover of the Iranian endemic alpine Arenaria bulica after 139 years and note of the related species (Caryophyllaceae)
FIGURE 1. Holotype of Arenaria bulica (K000723749!). © Royal Botanical Gardens, Kew.
FIGURE 4 in A new species of Bupleurum (Umbelliferae) from Badakhshan, with notes on and a key to the alpine species of High Asia
FIGURE 4. Distribution map of Buplerum pamiricum.
FIGURE 1. Bupleurum pamiricum, a in A new species of Bupleurum (Umbelliferae) from Badakhshan, with notes on and a key to the alpine species of High Asia
FIGURE 1. Bupleurum pamiricum, a' habit, b' umbellet, c' flower. Voucher: Pimenov et al. 892 (MW).
FIGURE 4 in A new species of Neottia (Orchidaceae, Epidendroideae) from alpine border region between China and Myanmar
FIGURE 4. Close up of flowers of Neottia fugongensis.
FIGURE 3 in A new species of Neottia (Orchidaceae, Epidendroideae) from alpine border region between China and Myanmar
FIGURE 3. Neottia nujiangensis sympatric with Neottia fugongensis and their habitat.
FIGURE 2 in A new species of Neottia (Orchidaceae, Epidendroideae) from alpine border region between China and Myanmar
FIGURE 2. Close up of flowers of Neottia nujiangensis.
Challenges in alpine soil recovery: the minor effect of grass restoration on microbial resource limitation
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Melanism protects alpine zooplankton from DNA damage caused by ultraviolet radiation
<p>Melanism is widely observed among animals, and is adaptive in various contexts for its thermoregulatory, camouflaging, mate-attraction, or photoprotective properties. Many organisms exposed to ultraviolet radiation show increased fitness resulting from melanin pigmentation; this has been assumed to result in part from reduced UV-induced damage to DNA. However, to effectively test the hypothesis that melanin pigmentation reduces UV-induced DNA damage requires quantification of UV-specific DNA damage lesions following UV exposure under controlled conditions using individuals that vary in pigmentation intensity. We accomplished this using alpine genotypes of the freshwater microcrustacean <i>Daphnia melanica </i>for which we quantified cyclobutane pyrimide dimers in DNA, a damage structure that can only be generated by UV exposure. For genotypes with carapace melanin pigmentation, we found that individuals with greater melanin content sustained lower levels of UV-induced DNA damage. Individuals with more melanin were also more likely to survive exposure to ecologically relevant levels of UV-B radiation. Parallel experiments with conspecific genotypes that lack carapace melanin pigmentation provide additional support for our conclusion that melanism protects individuals from UV-induced DNA damage. Finally, within-genotype comparisons with asexually-produced clonal siblings demonstrate that melanin content influences DNA damage even among genetically identical individuals raised in the same environment.</p>
Winter damage is more important than summer temperature for maintaining the krummholz growth form above alpine treeline
<p><span><span><span><span><span><span><span><span><span><span><span>1. Understanding the processes that control alpine treelines, the elevational limits of tree growth forms, has been a central question in ecology and is growing in importance with concern over climate change. Cool summer air temperatures are currently thought to be the ultimate limiter of upright tree growth at alpine treelines globally. However, winter damage has long been recognized as a shaping force near alpine treelines. Low-growing krummholz growth forms provide an opportunity to test hypotheses about the controls of upright growth in environments above current treelines.</span></span></span></span></span></span></span></span></span></span></span></p> <p><span><span><span><span><span><span><span><span><span><span><span>2. To distinguish between effects of growing season temperature, winter damage and their interaction on preventing upright growth in krummholz, we conducted a field experiment on krummholz growth forms of <i>Pinus albicaulis </i>over the summer and winter of 2015-2016 at 10 mountain top sites in the Tobacco Root Mountains, Montana, USA. We experimentally manipulated four factors using a fully crossed design: shoot position (natural low position in the krummholz mat vs. propped up above the krummholz mat), summer warming (warming chamber vs. ambient), winter exposure (shelter cage vs. exposed), and elevation position (local high vs. low krummholz limits). We also conducted an observational study of the climatic conditions associated with recent natural emergent stem establishment from krummholz. </span></span></span></span></span></span></span></span></span></span></span></p> <p><span><span><span><span><span><span><span><span><span><span><span>3. Experimentally propped shoots that were exposed in winter experienced the highest mortality (10-50%), while propped shoots in shelter cages and shoots located within the krummholz mat, whether caged or not, had low mortality (0-10%). Summer warming had little influence on shoot mortality. Surviving mat shoots had marginally higher growth rates than surviving propped shoots during the early growing season after treatments were established. Natural emergent stem establishment was associated with warmer than average summer temperatures, but also warmer winter temperatures, lower winter wind speeds, and lower snowpack.</span></span></span></span></span></span></span></span></span></span></span></p> <p><span><span><span><span><span><span><span><span><span><span><span>4. <i>Synthesis</i>. Our results suggest winter damage plays a more important role than does growing season temperature in maintaining the krummholz growth form. While warming may increase opportunities for emergent shoot establishment above krummholz mats, establishment of upright trees in the krummholz zone will also require climatic change that reduces wind and snow transport which cause winter damage.</span></span></span></span></span></span></span></span></span></span></span></p>
Figures 17-22 from: Schmid J, Huemer P (2021) Unraveling a complex problem: Dichrorampha velata sp. nov., a new species from the Alps hitherto confounded with D. alpestrana ([Zeller], 1843) sp. rev. = D. montanana (Duponchel, 1843) syn. nov. (Lepidoptera, Tortricidae). Alpine Entomology 5: 37-54. https://doi.org/10.3897/alpento.5.67498
Figures 17-22 Dichrorampha alpestrana, variation in wing pattern; all: CH-La Punt, 1820 m, 19.6.2006–26.6.2006 all coll. J. Schmid.
Figures 49-52 from: Schmid J, Huemer P (2021) Unraveling a complex problem: Dichrorampha velata sp. nov., a new species from the Alps hitherto confounded with D. alpestrana ([Zeller], 1843) sp. rev. = D. montanana (Duponchel, 1843) syn. nov. (Lepidoptera, Tortricidae). Alpine Entomology 5: 37-54. https://doi.org/10.3897/alpento.5.67498
Figures 49-52 CH-Sedrun Dichrorampha velata sp. nov., female genitalia, variation in sterigma and ostium; 49. CH-Cormoret BE; 50. CH-Pigniu GR; 51. Sedrun GR; 52. CH-Villeret BE.
Figure 5 from: Schmid J, Huemer P (2021) Unraveling a complex problem: Dichrorampha velata sp. nov., a new species from the Alps hitherto confounded with D. alpestrana ([Zeller], 1843) sp. rev. = D. montanana (Duponchel, 1843) syn. nov. (Lepidoptera, Tortricidae). Alpine Entomology 5: 37-54. https://doi.org/10.3897/alpento.5.67498
Figure 5 Neighbor-Joining tree of species in European Dichrorampha (Kimura 2 parameter, built with MEGA 6 cf. Tamura et al. 2013), only sequences (>500 bp) considered. Note: the scale bar only applies to internal branches between species. Width of triangles represent sample size, depth the genetic variation within the cluster. Source: DNA Barcode data from BOLD (Barcode of Life Database, cf. Ratnasingham and Hebert 2007).
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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)
ABODe is a University of Edinburgh DataShare dataset for behavior classification in group-housed mice using home-cage video, identities, bounding boxes, ground-plate positions, and annotator labels.
DANDI Archive for NWB datasets
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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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