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550 results for “mountain range”
Fig. 1 in Comparative phenology and cohort survival of beech scale (Hemiptera: Eriococcidae) in part of its native range (Caucasus Mountains, Georgia) and in an invaded area (Massachusetts, USA)
Fig. 1. Sites in Georgia where studies were conducted. Site 1 (Gulelebi Forest) was used in 2011 for the phenology observations, and sites 2 (Gombori) and 3 (Lagodekhi) were used for the cohort survival experiment in 2012.
Figures 16–18 in A new species of the sharpshooter genus Hanshumba (Insecta: Hemiptera: Cicadellidae: Cicadellini) from the Mantiqueira mountain range, southeastern Brazil, associated with olive orchards
Figures 16–18. (16) relief map showing the position in the Mantiqueira mountain range (southeastern Brazil) of the type locality – Wenceslau Braz (star) – and the nearby São Bento do Sapucaí (circle), where material of Hanshumba mariae sp. nov. has also been collected. (17, 18) two views of the olive orchard at the type locality.
Figures 1–15 in A new species of the sharpshooter genus Hanshumba (Insecta: Hemiptera: Cicadellidae: Cicadellini) from the Mantiqueira mountain range, southeastern Brazil, associated with olive orchards
Figures 1–15. Hanshumba mariae sp. nov. (1) female, habitus, laterodorsal view (length 5.9 mm); (2–6) male terminalia: (2) pygofer, lateroventral view; (3) valve, subgenital plates, connective, styles, and distal rami of paraphyses, dorsal view (the stalk and proximal rami of the paraphyses are not visible); (4) paraphyses, dorsal view; (5) aedeagus and anal tube, lateral view; (6) aedeagus and anal tube, ventral view; (7–15) female terminalia: (7) distal portion of sternite VII, ventral view; (8) sternite VII and "internal" sternite VIII, anteroventral view; (9) pygofer (contour of posterior margin highlighted), also showing the gonangulum, valvifer II, gonoplac, and part of the anal tube, lateral view; (10) valvula I of ovipositor, lateral view; (11) apex of valvula I, lateral view; (12) valvulae II of ovipositor, lateral view; (13) teeth at basal portion, lateral view; (14) teeth at apical portion, lateral view; (15) apex of valvula II, lateral view. (Aa) aedeagal apex, (Ae) aedeagus, (At) anal tube, (Co) connective, (De) denticle, (Ds) dorsal sculptured area, (Gn) gonangulum, (Gp) gonoplac, (Pp) pygofer process, (Pr) paraphyses ramus, (Sp) subgenital plate, (St) style, (Sviii) "internal" sternite VIII, (Va) valve, (Vii) valvifer II, (Vs) ventral sculptured area.
Figure 2 in Distribution of rotifers of high mountain lakes in the Eastern Black Sea Range of Turkey
Figure 2. Trophic classes of the lakes based on orthophosphate (u-oligo = ultraoligotrophic; oligo = oligotrophic).
Figure 3 in Distribution of rotifers of high mountain lakes in the Eastern Black Sea Range of Turkey
Figure 3. Trophic classes of the lakes based on Secchi depth (u-oligo = ultraoligotrophic; oligo = oligotrophic; meso = mesotrophic).
Figure 1 in Distribution of rotifers of high mountain lakes in the Eastern Black Sea Range of Turkey
Figure 1. Map of 59 sampling stations associated with 6 drainage basins in the Eastern Black Sea Range in Turkey. Ç = Çoruh River Basin, F = Fırtına Stream Basin, İ = İyidere Stream Basin, K = Kabisra Stream Basin, S = Solaklı Stream Basin, M = Maçka Stream Basin.
Figure 7 in Distribution of rotifers of high mountain lakes in the Eastern Black Sea Range of Turkey
Figure 7. Rotifer species richness for different altitudinal distributions of lakes (n = 58) except Lake Uzungöl (1100 m a.s.l.).
Linked collectors and determiners for: A new species of Myloplus Gill (Characiformes, Serrasalmidae) from the Tumucumaque Mountain Range, Brazil and French Guiana, with comments on M. rubripinnis.
Natural history specimen data linked to collectors and determiners held within, "A new species of Myloplus Gill (Characiformes, Serrasalmidae) from the Tumucumaque Mountain Range, Brazil and French Guiana, with comments on M. rubripinnis". Claims or attributions were made on Bionomia by volunteer Scribes, <a href="https://bionomia.net/dataset/8b28e118-be14-4eb1-8997-033c50d8d5dd">https://bionomia.net/dataset/8b28e118-be14-4eb1-8997-033c50d8d5dd</a> using specimen data from the dataset aggregated by the Global Biodiversity Information Facility, <a href="https://gbif.org/dataset/8b28e118-be14-4eb1-8997-033c50d8d5dd">https://gbif.org/dataset/8b28e118-be14-4eb1-8997-033c50d8d5dd</a>. Formatted as a Frictionless Data package.
WRF Geographic Files for Cordillera Mountain Range Precipitation Experiments
<p>These WRF geographic files (in netcdf format) were used as input for experiments to evaluate the sensitivity of Tropical Cyclone precipitation to the height of the Cordillera Mountain Range in Luzon, Philippines. A total of six files are included, for two domains (d01 and d02) and three different orographic experiments (orig, redu, enha).</p> <p>These are provided to allow reproduction of the said sensitivity experiments.</p>
Data and code for: Wildfire activity in northern Rocky Mountain subalpine forests still within millennial-scale range of variability
<p>Increasing area burned across western North America raises questions about the precedence and magnitude of changes in fire activity, relative to the historical range of variability (HRV) that ecosystems experienced over recent centuries and millennia. Paleoecological records of past fire occurrence provide context for contemporary changes in ecosystems characterized by infrequent, high-severity fire regimes. Here we present a network of 12 fire-history records derived from macroscopic charcoal preserved in sediments of small subalpine lakes within a c. 10,000 km<sup>2</sup> landscape in the U.S. northern Rocky Mountains (Northern Rockies). We used this network to characterize landscape-scale burning over the past 2500 yr and evaluate the precedence of widespread regional burning experienced in the early 20<sup>th</sup> and 21<sup>st </sup>centuries. We further compare the Northern Rockies fire history to a previously published network of fire-history records in the Southern Rockies. In Northern Rockies subalpine forests, widespread fire activity was strongly linked to seasonal climate conditions, in contemporary, historical, and paleo records. The average estimated fire rotation period (FRP) over the past 2500 years was 164 yr (HRV: 127-225 yr), while the contemporary FRP from 1900-2021 CE was 215 yr. Thus, extensive regional burning in the early 20<sup>th</sup> century (e.g., 1910 CE) and in recent decades was within the HRV of recent millennia. Results from the Northern Rockies contrast with the Southern Rockies, which burned with less frequency on average over the past 2500 yr, and where 21<sup>st</sup>-century burning has exceeded the HRV. Our results support expectations that Northern Rockies fire activity will continue to increase with climatic warming, surpassing historical burning if more than one exceptional fire year akin to 1910 occurs within the next several decades. The societal and ecological consequences of climatic warming in subalpine forests will depend, in large part, on the magnitude of fire-regime changes relative to the past.</p>
"The sound comes from a meadow in the Sierra Nevada Mountains in California. The meadow is at an elevation of 2400 meters near a mountain named Olancha Peak, which is 3700 meters in altitude. Ihave a group of friends with which Ibackpack (trek) into the mountains. Our goal was to spend some time in the mountains and hike to the top of Olancha Peak (…) By the time we reached the meadow, we were in a forest and there was still snow on the ground in some places. We took the trip in June of 2006. The Sierra Nevada Mountains are a large mountain range. Much of the range is protected by national parks or preserved areas we call 'wilderness areas' (…) Ihave been backpacking for nearly 40 years and Iwill hopefully continue with this challenging activity for 40 years more! Many of my friends are much younger than Iam and it gives me much satisfaction to be able to have as much or more stamina for this activity than they have! When we are on these trips, we hike up peaks, catch fish, drink some whiskey around campfires and enjoy our time in the beautiful solitude. My memories of this trip were of the steep, hot hike from the desert to the cool meadow; the overall beauty of the nature, the absolute solitude of our campsite near the meadow; the strenuous hike to the top of Olancha Peak; the camaraderie of my friends; and, of course the sound of the frogs in the meadow. The frog sounds were astounding to me and Iwould listen in awe of the creature's instinctual desire to reproduce and continue the existence of their kind. Surely there were different species in the meadow for some of the frog sounds were different than others. The sounds only occurred after the Sun went down for the evening. Istood next to the creek in the meadow and recorded the sounds using my digital camera." [Peter/plentz1960]16 in Collecting Sounds. Online Sharing of Field Recordings as Cultural Practice
"The sound comes from a meadow in the Sierra Nevada Mountains in California. The meadow is at an elevation of 2400 meters near a mountain named Olancha Peak, which is 3700 meters in altitude. Ihave a group of friends with which Ibackpack (trek) into the mountains. Our goal was to spend some time in the mountains and hike to the top of Olancha Peak (…) By the time we reached the meadow, we were in a forest and there was still snow on the ground in some places. We took the trip in June of 2006. The Sierra Nevada Mountains are a large mountain range. Much of the range is protected by national parks or preserved areas we call 'wilderness areas' (…) Ihave been backpacking for nearly 40 years and Iwill hopefully continue with this challenging activity for 40 years more! Many of my friends are much younger than Iam and it gives me much satisfaction to be able to have as much or more stamina for this activity than they have! When we are on these trips, we hike up peaks, catch fish, drink some whiskey around campfires and enjoy our time in the beautiful solitude. My memories of this trip were of the steep, hot hike from the desert to the cool meadow; the overall beauty of the nature, the absolute solitude of our campsite near the meadow; the strenuous hike to the top of Olancha Peak; the camaraderie of my friends; and, of course the sound of the frogs in the meadow. The frog sounds were astounding to me and Iwould listen in awe of the creature's instinctual desire to reproduce and continue the existence of their kind. Surely there were different species in the meadow for some of the frog sounds were different than others. The sounds only occurred after the Sun went down for the evening. Istood next to the creek in the meadow and recorded the sounds using my digital camera." [Peter/plentz1960]16
Older lineages of oribatid mites in mountain ranges have broader geographic ranges and exhibit more generalistic traits
Open the record for dataset details and reuse information.
Data and code for: Wildfire activity in northern Rocky Mountain subalpine forests still within millennial-scale range of variability
Open the record for dataset details and reuse information.
Data from: Biotic interactions help explain variation in elevational range limits of birds among Bornean mountains
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Data from: Dusky grouse seasonal resource selection in the Great Basin isolated mountain ranges of Nevada, USA
Open the record for dataset details and reuse information.
Checklist of the mosses of mountain ranges of the Pechora-Ilych State Nature Reserve (Northern Urals, Basins of the Pechora and Ilych Rivers)
<p>The Checklist of the mosses of mountain ranges of the Pechora-Ilych State Nature Reserve (Northern Urals, Basins of the Pechora and Ilych Rivers) is presented. The Checklist includes 173 species of mosses from 78 genera and 33 families, which is almost half of the species diversity of mosses in the Pechora-Ilych State Nature Reserve (348 species ).</p>
Drivers and mechanisms that contribute to microbial β-diversity patterns and range sizes in mountains across a climatic variability gradient
<p>Microbial communities are highly diverse, yet the mechanisms underlying microbial community assembly are not well understood. Janzen's mountain passes hypothesis proposed that climatic barriers and dispersal limitation shape communities to a greater extent in mountains with lower climatic variability and overlap, permitting higher levels of species coexistence. Here, we investigate changes in microbial community dissimilarities, distributional range sizes and ecological processes along elevational gradients in three montane ecosystems representing a climatic variability gradient. We found that climate, climatic variability and spatial distance play dominating roles in affecting microbial β-diversity patterns and range sizes along elevational gradients. Janzen's mountain passes hypothesis can be applied for microbial community assembly: mountains with lower climatic variability and higher climatic difference between elevations exhibited higher β-diversity, higher endemism, lower range sizes, and steeper distance-decay trends. However, microbial communities experience clear climate-driven limited range sizes and dispersal processes and show typical endemic patterns in all mountain ecosystems. Our results emphasize the importance of dispersal and climatic niche processes in shaping montane biodiversity. As a result, changes in climate may significantly impact soil biodiversity in montane ecosystems by altering the effects of dispersal limitation and climatic variability on bacterial and fungal community composition along elevational gradients.</p>
Vegetation changes with climate change in the Grandes Rousses mountain range
<p><strong><em>Questions:</em></strong> We assessed interactions between climate change, bedrock types and snow cover duration on the trajectories of taxonomic and functional composition of subalpine plant communities. We predict (i) an increase in species richness on siliceous bedrock due to a reduced competition and a decrease in richness on calcareous bedrock due to increasing drought stress, (ii) decreasing snow cover duration should induce a higher shrub encroachment in hollows as compared to ridges (iii) increasing growing season temperature should induce taller sizes and more conservative growth traits, in particular in hollows.</p> <p><strong><em>Location: </em></strong>Subalpine belt of the Grandes Rousses mountain range, south western Alps (France).</p> <p><strong><em>Methods:</em></strong> 189 vegetation plots were sampled in 1997 and 2017-2018. The duration of snow cover was assessed during two years in 1995-1997 and five functional traits were measured on 108 species in 2021. We performed multivariate analyses, quantified community weighted-means (CWM) of traits and used ANOVAs to detect responses to local-scale factors and changes in snow cover, temperature and precipitation since 1997 according to a nearby meteorological station.</p> <p><strong><em>Results:</em></strong> Overall, taxonomic composition weakly changed and changes were more dependent on the position of communities along the snow cover duration gradient than on their bedrock type. The abundance of drought-tolerant species increased at the border of hollows and there was, over all communities, a slight increase in the abundance of dwarf shrubs and tall herbaceous species, a strong decrease in short herbaceous species and, thus, an overall decrease in species richness. There were important overall changes in CWM of size traits, in particular leaf area which increased the most in hollows irrespective of bedrock types.</p> <p><strong><em>Conclusion:</em></strong> In this subalpine site the effects of decreasing snow cover duration overwhelmed the effects of bedrocks, which may explain the overall increase in competitive species and decrease in species richness.</p>
Data from: Wildfire catalyzes upward range expansion of trembling aspen in southern Rocky Mountain beetle-killed forests
<p>In this study, we assessed whether recent wildfires and spruce beetle outbreaks promoted upward range expansion of trembling aspen (<i>Populus tremuloides</i>) in the San Juan Mountains of southern Colorado. We assessed aerial imagery for presence/absence of aspen in the study area and ground truthed a subset of these points to compare the aerial imagery analysis with field records of aspen. From these data we determined the upper elevational limit of aspen in the study area before fire. We then conducted field surveys at and above the upper elevational limit of aspen in burned and unburned, but beetle killed areas and collected data on stand structure, surface cover, seedling density and microsite conditions associated with seedlings. </p>
Black-capped and mountain chickadee range-wide condition
<p>Both abiotic and biotic drivers influence species distributions. Abiotic drivers, such as climate, have received considerable attention, even though biotic drivers, such as hybridization, often interact with abiotic drivers. We sought to explore the (1) costs of co-occurrence for ecologically similar species that hybridize and (2) associations between ecological factors and condition to understand how abiotic and biotic factors influence species distributions. For two closely related and ecologically similar songbirds, black-capped and mountain chickadees, we characterized body condition, as a proxy for fitness, using a 1,358 individual range-wide dataset. We compared body condition in sympatry and allopatry with several abiotic and biotic factors using species-specific generalized linear mixed models. We generated genomic data for a subset of 217 individuals to determine the extent of hybridization-driven admixture in our dataset. Within this data subset, we found that ~11% of the chickadees had hybrid ancestry, and all hybrid individuals had typical black-capped chickadee plumage. In the full data set, we found that birds of both species, independent of demographic and abiotic factors, had significantly lower body condition when occurring in sympatry than birds in allopatry. This could be driven by either the inclusion of cryptic, likely poor condition, hybrids in our full dataset, competitive interactions in sympatry, or be due to range edge effects. We are currently unable to discriminate between these mechanisms. Our findings have implications for mountain chickadees in particular, which will encounter more black-capped chickadees as black-capped chickadee ranges shift upslope and could lead to local declines in mountain chickadee populations.</p>
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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
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.