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1,723 results for “Alpine”
Distribution. Alpine habitats in Bale Mts and Arussi Plateau on E rim of Ethiopian Rift; possibly extending S into Melka Chireti, Somali Region, Ethiopia. in Muridae
Distribution. Alpine habitats in Bale Mts and Arussi Plateau on E rim of Ethiopian Rift; possibly extending S into Melka Chireti, Somali Region, Ethiopia.
Supplementary Material: Fire trapped in ice - An introduction to biomass burning records from high-alpine and polar ice cores
<p>Compilation of fire records in ice cores: supplementary material to “Fire trapped in ice - An introduction to biomass burning records from high-alpine and polar ice cores.” This document includes a table of selected paleofire records from ice cores by region with indication of measured proxies and time span.</p>
Data set to Remote sensing-supported mapping of the activity of a subterranean landscape engineer across an afro-alpine ecosystem
<p>This data set is part of the article Wraase et al. (2022): Remote sensing -supported mapping of the activity of a subterranean landscape engineer across an afro-alpine ecosystem. Remote sensing in Ecology and Conservation. (https://doi.org/10.1002/RSE2.303)</p> <p>The repository contains a Readme file ("readme.txt") and two additional folders labeled: “input data” and “script”.<br> <br> The first folder contains 13 data files further divided into three subfolders “cca_analysis”, “main_modelling_prc_texture_idx” and “vectors”. Data formats are .csv format for all tables, .rds files for model objects from R and .shp format for all vector data.</p> <p>The second folder contains all 31 R-scripts necessary to do the analysis, as described in the article. Additionally, the folder is further categorized into five subfolders equivalent to the main analysis operations: “cca_analysis”, “landsat_temp_modelling”, “main_modelling_prc”, “maxent” and “texture_idx”.</p>
Early snow melt and diverging thermal constraints control body size in arctic-alpine spiders
<p><span>To predict species' responses to a rapidly changing environment, it is necessary to detect current clines of life-history traits and understand their drivers. We studied body size variation, a key trait in evolutionary biology, of two arctic-alpine lycosid spiders and underlying mechanisms controlling this variation. We used long time-series data of body size sampled in Norway, augmented with museum data. Individuals of both species sampled in areas and years with longer snow-free periods grew larger than individuals in areas and years with shorter snow-free periods. </span><span>Interestingly, temperatures under 0° C led to a larger body size in Pardosa palustris, while temperatures above 0 °C led to a larger body size in Pardosa hyperborea. We assume that P. palustris, as the generally larger species, is less sensitive to environmental variability and cold temperatures, because it can retain more energy than a smaller species can and, therefore, can invest more resources in its offspring. With rising temperatures, both species might profit from a higher resource availability. In a rapidly changing arctic-alpine environment, alterations in the life-history traits and adaptation strategies of spiders are expected, which, regarding body size, seem to be highly influenced by early snowmelt and diverging thermal constraints.</span></p>
Forecasting climate change response in an alpine specialist songbird reveals the importance of considering novel climate
<p><span>Species persistence in the face of climate change depends on both ecological and evolutionary factors. Here, we integrate ecological and whole-genome sequencing data to describe how populations of an alpine specialist, the Brown-capped Rosy-Finch (<em>Leucosticte australis</em>) may be impacted by climate change.</span> <span>We sampled 116 Brown-capped Rosy-Finches from 11 sampling locations across the breeding range. Using 429,442 genetic markers from whole-genome sequencing, we described population genetic structure and identified a subset of 436 genomic variants associated with environmental data. We modelled future climate change impacts on habitat suitability using ecological niche models (ENMs) and impacts on putative local adaptation using gradient forest models (a genetic-environment association analysis; GEA). We used the metric of niche margin index (NMI) to determine regions of forecasting uncertainty due to climate shifts to novel conditions. Population genetic structure was characterized by weak genetic differentiation, indicating potential ongoing gene flow among populations. Precipitation as snow had high importance for both habitat suitability and changes in genetic variation across the landscape. Comparing ENM and gradient forest models with future climate predicted suitable habitat contracting at high elevations and population allele frequencies across the breeding range needing to shift to keep pace with climate change. NMI revealed large portions of the breeding range shifting to novel climate conditions. Our study demonstrates that forecasting climate vulnerability from ecological and evolutionary factors reveals insights into population-level vulnerability to climate change that are obfuscated when either approach is considered independently. For the Brown-capped Rosy-Finch, our results suggest that persistence may depend on rapid adaptation to novel climate conditions in a contracted breeding range. Importantly, we demonstrate the need to characterize novel climate conditions that influence uncertainty in forecasting methods.</span></p>
Nitrogen addition, rather than altered precipitation, stimulates nitrous oxide emissions in an alpine steppe
<p>Anthropogenic-driven global change, including changes in atmospheric nitrogen (N) deposition and precipitation patterns, is dramatically altering N cycling in soil. How long-term N deposition, precipitation changes, and their interaction influence nitrous oxide (N<sub>2</sub>O) emissions remains unknown, especially in the alpine steppes of the Qinghai-Tibetan Plateau (QTP). To fill this knowledge gap, a platform of N addition (10 g m<sup>−2</sup> yr<sup>−1</sup>) and altered precipitation (± 50% precipitation) experiments was established in an alpine steppe of the QTP in 2013. Long-term N addition significantly increased N<sub>2</sub>O emissions. However, neither long-term alterations in precipitation nor the co-occurrence of N addition and altered precipitation significantly affected N<sub>2</sub>O emissions. These unexpected findings indicate that N<sub>2</sub>O emissions are particularly susceptible to N deposition in the alpine steppes. Our results further indicated that both biotic and abiotic properties had significant effects on N<sub>2</sub>O emissions. N<sub>2</sub>O emissions occurred mainly due to nitrification, which was dominated by ammonia-oxidizing bacteria, rather than ammonia-oxidizing archaea. Furthermore, the alterations in belowground biomass and soil temperature induced by N addition modulated N<sub>2</sub>O emissions. Overall, this study provides pivotal insights to aid the prediction of future responses of N<sub>2</sub>O emissions to long-term N deposition and precipitation changes in alpine ecosystems. The underlying microbial pathway and key predictors of N<sub>2</sub>O emissions identified in this study may also be used for future global-scale model studies.</p>
FIGURE 3. A in Two new day-flying species of Agrotis Ochsenheimer (Lepidoptera: Noctuidae) from the alpine summit of the Maunakea Volcano
FIGURE 3. A: A. kuamauna, male genitalia (slide LB83) scale bars = 1mm. B: A. kuamauna, female genitalia (slide LB82) scale bar = 1mm. C: A. helela, male genitalia (slide LB80) scale bars = 1mm. D: A. helela, female genitalia (slide LB81) scale bar = 1mm.
FIGURE 2. A in Two new day-flying species of Agrotis Ochsenheimer (Lepidoptera: Noctuidae) from the alpine summit of the Maunakea Volcano
FIGURE 2. A: Wing venation of A. helela (from slide LB81 "wings"). B: Wing venation of A. kuamauna (from slide LB82 "wings"). C: A. kuamauna larva, length = 20mm. D: A. kuamauna pupa, length = 15mm.
FIGURE 1. A in Two new day-flying species of Agrotis Ochsenheimer (Lepidoptera: Noctuidae) from the alpine summit of the Maunakea Volcano
FIGURE 1. A: A. helela, paratype voucher AP117, wing expanse 28.5mm. B: A. kuamauna, holotype voucher AP114, wing expanse 46.6mm. C. A. kuamauna, paratype (voucher AP114; UHIM), wing expanse 40.5mm. D: A. epicremna (voucher AP327; UHIM), wing expanse 48mm. E: A. helela, paratype (voucher AP117; UHIM), wing expanse 24mm. F: A. microreas (BPBM), wing expanse 26mm.
Fig. 3 in DNA barcoding of selected alpine beetles with focus on Curculionoidea (Coleoptera)
Fig. 3. (A) Otiorhynchus civis Stierlin, 1861 stat. rev. (France, Var, Bargème). (B) O. meridionalis Gyllenhal, 1834 (Switzerland, Bern).
Data related to article: Shrubs exhibit competitive interactions with herbaceous plants and shape community assemblage and functional composition in alpine western Himalaya
<p>To understand the interaction between dominant shrubs and herbacous communities in the alpine region of western Himalaya, a field study was conducted along the elevation gradient (3500-5000 masl). During the field survey, we have collected population data, plant functional trait data and soil physico-chemical data from shrub undercanopy and adjacent open habitats. Relative Interaction Index and L0g ratio were calculated using the population data. Further, plant functional traits data and soil physicochemical data were utilised to understand the functional comoposition and resource availability occuring in the contrasting habitats.</p>
Metagenomic insights into microbial community structure and metabolism in alpine permafrost on the Tibetan Plateau
<h1>Microbes in Tibetan permafrost</h1> <p> </p> <blockquote> <p>This project repository associated with the following manuscript:</p> </blockquote> <ul> <li>Luyao Kang, Yutong Song, Rachel Mackelprang, Dianye Zhang, Shuqi Qin, Leiyi Chen, Linwei Wu, Yunfeng Peng and Yuanhe Yang*. Metagenomic insights into microbial community structure and metabolism in alpine permafrost on the Tibetan Plateau.</li> </ul> <h2>Abstract</h2> <p><span> Permafrost, characterized by its frozen soil, serves as a unique habitat for diverse microorganisms. Understanding these microbial communities is crucial for predicting the response of permafrost ecosystems to climate change. However, large-scale evidence regarding stratigraphic variations in microbial profiles remains limited. Here, we analyze microbial community structure and functional potential based on 16S <em>rRNA</em> gene amplicon sequencing and metagenomic data obtained from a </span><span>∼</span><span>1,000 km permafrost transect on the Tibetan Plateau. We find that microbial alpha diversity declines but beta diversity increases down the soil profile. Microbial assemblages are primarily governed by dispersal limitation and drift; the importance of drift decreases but that of dispersal limitation increases with soil depth. Moreover, genes related to reduction reactions (<em>e.g.</em>, ferric iron reduction, dissimilatory nitrate reduction, and denitrification) are enriched in the subsurface and permafrost layers. In addition, microbial groups involved in alternative electron accepting processes are more diverse and contribute highly to community-level metabolic profiles in the subsurface and permafrost layers, likely reflecting the lower redox potential and more complicated trophic strategies for microorganisms in deeper soils. Overall, these findings provide comprehensive insights into large-scale stratigraphic profiles of microbial community structure and functional potentials in permafrost regions.</span></p> <p> For the description of the files, please see README.md file.</p>
Alpine grassland plant dataset
Open the record for dataset details and reuse information.
Fig. 3 in Interglacial refugia and range shifts of the alpine grasshopper Stenobothrus cotticus (Orthoptera: Acrididae: Gomphocerinae)
Fig. 3 Current distribution of Stenobothrus cotticus (white triangles) and S. rubicundulus (open circles) in Europe; S. rubicundulus further ranges to western Ukraine (not shown). For localities and corresponding references, see "Electronic Supplementary Material"
Cariboo Alpine Mesonet (CAMnet) Database
<p>The Cariboo Alpine Mesonet (<em><strong>CAMnet</strong></em>) is currently a network of 11 meteorological stations installed at mid to high elevation sites within the Quesnel, Nechako and Kiskatinaw watersheds. This database includes data for all de-commissioned and currently active stations within this network.</p>
Supplementary material 2 from: Gehrke B (2018) Staying cool: preadaptation to temperate climates required for colonising tropical alpine-like environments. PhytoKeys 96: 111-125. https://doi.org/10.3897/phytokeys.96.13353
List of genera investigated for the analysis including information on generic distribution, coding and references to the literature used :
FIGURE 13 in New taxa of the mite family Neopygmephoridae (Acari: Heterostigmata) from alpine New Zealand
FIGURE 13. DIC micrographs of Troxodania minuta Khaustov and Minor sp. nov. (A), Bakerdania alpina Khaustov and Minor sp. nov. (B), Neobakerdania pilosa Khaustov and Minor sp. nov. (C, D), and Protobakerdania diseta Khaustov and Minor sp. nov. (E, F) females: A—hysterosoma in dorsal view, B—right side of tergites EF and H, C—prodorsum, tergites C and D in dorsal view, D—anterior and posterior sternal plates, E—hysterosoma in dorsal view, T– anterior and posterior sternal plates.
FIGURE 10 in New taxa of the mite family Neopygmephoridae (Acari: Heterostigmata) from alpine New Zealand
FIGURE 10. Bakerdania alpina Khaustov and Minor sp. nov., female: A—dorsum of the body, B—venter of the body. Legs omitted.
FIGURE 9 in New taxa of the mite family Neopygmephoridae (Acari: Heterostigmata) from alpine New Zealand
FIGURE 9. Troxodania minuta Khaustov and Minor sp. nov., female: A—right leg III in dorsal view, B—right leg IV in dorsal view.
FIGURE 12 in New taxa of the mite family Neopygmephoridae (Acari: Heterostigmata) from alpine New Zealand
FIGURE 12. Bakerdania alpina Khaustov and Minor sp. nov., female: A—left leg III in dorsal view, B—left leg IV in dorsal view.
ScienceDex guides
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These curated guides explain access requirements, typical timelines, costs, and reuse considerations for widely used research datasets.
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
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.