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1,200 results for “Sierra”
Sierra Nevada NDVIs collection from 1984 to 2016
<p>Collection of Normalized Difference Vegetation Index (NDVI) (double data type) of Sierra Nevada Protected Area (PA).</p>
National Checklists 2017: Sierra Leone Species List
Lists of taxa for each country and a few other administrative zones harvested from effechecka using simplified versions of geonames polygons. See <p></p>https://github.com/diatomsRcool/checklists for details<p></p>A list of species from Sierra Leone collected using effechecka and geonames polygons
National Checklists 2019: Sierra Leone Species List
Lists of taxa for each country and a few other administrative zones harvested from effechecka using simplified versions of geonames polygons. See <p></p>https://github.com/diatomsRcool/checklists for details.<p></p>A list of species from Sierra Leone collected using effechecka and geonames polygons
Carbon Storage in Beaver Meadows of the Sierra Nevada, USA
<p><span>The purpose of this study was to examine the effects of active beaver dams on sequestered carbon in subalpine valleys of the Sierra Nevada across a temporal scale. Specifically, carbon stored in floodplain sediments and above and below ground vegetation was measured in 8 beaver meadows to quantify carbon storage.</span></p>
A collection of fully-annotated soundscape recordings from the southern Sierra Nevada mountain range
<p>This collection contains 100 soundscape recordings of 10 minutes duration, which have been annotated with 10,296 bounding box labels for 21 different bird species from the Western United States. The data were recorded in 2015 in the southern end of the Sierra Nevada mountain range in California, USA. This collection has been featured as test data in the 2020 BirdCLEF and Kaggle Birdcall Identification competition and can primarily be used for training and evaluation of machine learning algorithms.</p> <p><strong>Data collection</strong></p> <p>The recordings were made in Sequoia and Kings Canyon National Parks, two contiguous national parks in the southern Sierra Nevada mountain range in California, USA. The focus of the acoustic study was the high-elevation region of the Parks; specifically, the headwater lake basins above 3,000 km in elevation. The original intent of the study was to monitor seasonal activity of birds and bats at lakes containing trout and lakes without trout, because the cascading impacts of trout on the adjacent terrestrial zone remain poorly understood. Soundscapes were recorded for 24 h continuously at 10 lakes (5 fishless, 5 fish-containing) throughout Sequoia and Kings Canyon National Parks during June-September 2015. Song Meter SM2+ units (Wildlife Acoustics, USA) powered by custom-made solar panels were used to obviate the need to swap batteries, due to the recording locations being extremely difficult to access. Song Meters continuously recorded mono-channel, 16-bits uncompressed WAVE files at 48 kHz sampling rate. For this collection, recordings were resampled at 32 kHz and converted to FLAC.</p> <p><strong>Sampling and annotation protocol</strong></p> <p>A total of 100 10-minute segments of audio between July 9 and 12, 2015 from morning hours (06:10-09:10 PDT) from all 10 sites were selected at random. Annotators were asked to box every bird call they could recognize, ignoring those that are too faint or unidentifiable. Every sound that could not be confidently assigned an identity was reviewed with 1-2 other experts in bird identification. To minimize observer bias, all identifying information about the location, date and time of the recordings was hidden from the annotator. Raven Pro software was used to annotate the data. Provided labels contain full bird calls that are boxed in time and frequency. In this collection, we use eBird species codes as labels, following the 2021 eBird taxonomy (Clements list). Unidentifiable calls have been marked with “????” and were added as bounding box labels to the ground truth annotations. Parts of this dataset have previously been used in the 2020 BirdCLEF and Kaggle Birdcall Identification competition.</p> <p><strong>Files in this collection</strong></p> <p>Audio recordings can be accessed by downloading and extracting the “soundscape_data.zip” file. Soundscape recording filenames contain a sequential file ID, recording date and timestamp in PDT (UTC-7). As an example, the file “HSN_001_20150708_061805.flac” has sequential ID 001 and was recorded on July 8th 2015 at 06:18:05 PDT. Ground truth annotations are listed in “annotations.csv” where each line specifies the corresponding filename, start and end time in seconds, low and high frequency in Hertz and an eBird species code. These species codes can be assigned to scientific and common name of a species with the “species.csv” file. The approximate recording location with longitude and latitude can be found in the “recording_location.txt” file.</p> <p><strong>Acknowledgements </strong></p> <p>Compiling this extensive dataset was a major undertaking, and we are very thankful to the domain experts who helped to collect and manually annotate the data for this collection (individual contributors in alphabetic order): Anna Calderón, Thomas Hahn, Ruoshi Huang, Angelly Tovar</p>
California Blue Oak reproduction and recruitment, Sierra Foothills, 2005-2010
This data archive contributes to the study of blue oak conservation by quantifying reproductive success (numbers of new seedlings and their sizes) and survival and growth of the younger life stages (seedlings and saplings), and by exploring how the timing of grazing, topographical variables, and rainfall limit reproduction, growth, and survival for these life stages, helping to identify potential management and restoration strategies to enhance the population viability of blue oak. We followed a population of blue oak (Quercus douglasii) seedlings and saplings in the Sierra Nevada foothills, measuring adult seed production and initial seedling recruitment (number and size of new seedlings), seedling growth and survival, seedling recruitment to saplings (growing greater than 10 cm in height), and sapling growth and survival. We tested the impacts on these demographic processes of timing and intensity of grazing, light availability, water availability, and individual size. We published our analysis of these data as part of the 8th Oak Woodland Symposium. This data archive contains the underlying data for our analysis plus some data we did not include in our analysis (residual dry matter, photosynthetically active radiation, percent exotic/native cover), including raw data and R and Perl scripts used to format them for analysis, and additional information not included in the conference proceedings.
Figs 11-17 in Three new species of Platyprosopus from Thailand, Cambodia, and Sierra Leone, and additional records (Coleoptera, Staphylinidae, Staphylininae)
Figs 11-17: Platyprosopus maximus: (11) forebody; (12) median dorsal portion of head; (13) median portion of pronotum; (14) male tergites IX-X; (15) male sternite IX; (16-17) aedeagus in lateral and in ventral view. Scale bars: 11, 14-17: 1.0 mm; 12-13: 0.2 mm.
Figs 17-21 in Contribution to the AIrotropical Ɨchneumoninae (Hymenoptera, Ɨchneumonidae) Irom Gabon and Sierra Leone, with descriptions oI Iive new species and two new subspecies
Figs 17-21: Face of (17) Adelotropis gabonense nov.sp. ♀ and (18) Adelotropis spinosus nov.sp. ♀. Meta- soma of (19) Adelotropis gabonense nov.sp. ♀ and (20) Adelotropis spinosus nov.sp. ♀. Fig. 21: Scutellum of Adelotropis spinosus nov.sp. ♀. Fig 22: Ctenocalus maculipennis rufopetiolatus ssp.nov. ♀: Habitus from dorsal.
Figs 13-16 in Contribution to the AIrotropical Ɨchneumoninae (Hymenoptera, Ɨchneumonidae) Irom Gabon and Sierra Leone, with descriptions oI Iive new species and two new subspecies
Figs 13-16: Propodeum of: (13) Compsophorus fuscopetiolaris nov.sp. ♀; (14) Compsophorus paracorrugata nov.sp. ♀; (15) Adelotropis gabonense nov.sp. ♀; (16) Magwengiella congica HEINRICH ♂.
Figs 7-12 in Contribution to the AIrotropical Ɨchneumoninae (Hymenoptera, Ɨchneumonidae) Irom Gabon and Sierra Leone, with descriptions oI Iive new species and two new subspecies
Figs 7-12: Face of: (7) Compsophorus corrugata gabonense nov.ssp. ♀; (8) Compsophorus coxator nov.sp. ♀; (9) Compsophorus fuscopetiolaris nov.sp. ♀; (10) Compsophorus paracorrugata nov.sp. ♀; (11) Compsophorus fuscopetiolaris nov.sp. ♂; (12) Magwengiella congica HEINRICH ♂.
Fig. 2 in A new epigean species of the genus Anelpistina (Insecta: Zygentoma: Nicoletiidae) from Sierra de El Abra, Taninul, Mexico
Fig. 2. Anelpistina taninuli sp. nov. Holotype, adult and paratype,. A. Hind leg. B. Claws with enlarged section showing hairy appearance. C. Urosternum IV. D. Male genital area. E. Urosternum VIII-IX. F. Urotergite X. G. Cercus. H. Ovipositor and subgenital plate. I. Apex of ovipositor.
Fig. 1 in A new epigean species of the genus Anelpistina (Insecta: Zygentoma: Nicoletiidae) from Sierra de El Abra, Taninul, Mexico
Fig. 1. Anelpistina taninuli sp. nov. Holotype, adult. A. Pedicellus (outside lateral view). B. Head. C. Border of insertion of antenna (arrows point at alveoli where macrochaetae have fallen). D. Labium. E. Maxilla. F. Apex of lacinia and galea. Galea with two conules of different widths. G. Mandible. H. Nota. I. Border of nota.
FIG. 2 in Animal food during the Late Prehispanic Period at Sierras of Córdoba, Argentina. A zooarchaeological view from Boyo Paso 2
FIG. 2. — Plain view of the archaeological floor from Boyo Paso 2 with the excavation units, post-molds and key features.
FIG. 4 in Animal food during the Late Prehispanic Period at Sierras of Córdoba, Argentina. A zooarchaeological view from Boyo Paso 2
FIG. 4. — Weathering profile for Lama cf. L. guanicoe (Müller, 1776) bones from Boyo Paso 2 (Córdoba, Argentina) (N=79).
Caldera resurgence during the 2018 eruption of Sierra Negra volcano, Galápagos Islands
<p>Key datasets associated with the 'Caldera resurgence during the 2018 eruption of Sierra Negra volcano, Galápagos Islands'. This are pre-eruption and co-eruption interferograms, IGUANA earthquake catalogue, list of earthquake times and magnitudes picked from station VCH1, and cGPS baseline timeseries.</p>
Figure 1 in A redescription of the chigger Hannemania achalai Alzuet and Mauri, 1987 (Acariformes: Prostigmata: Leeuwenhoekiidae) in frogs from Sierra Grande, Cordoba, Argentina
Figure 1 Hannemania achalai Alzuet and Mauri, 1987 (larva): A – dorsal aspect of idiosoma, B – ventral aspect of idiosoma, C – ventral aspect of gnathosoma, D – dorsal aspect of gnathosoma, E – prodorsum showing scutum and eyes, F – palpal tarsus, G – palpal claw, H – lateral aspect of tarsus I.
FIG. 25 in Distinctive Collembola Communities in the Mesovoid Shallow Substratum: Entomobryomorpha of the Sierra de Guadarrama National Park (Central Spain)
FIG. 25. — Pseudosinella gonzaloi Baquero & Jordana n. sp., Abd IV dorsal macrochaetotaxy. Abbreviations: see Material and methods. Symbols: ●, Mc; ○, mes or mic; ⦰, pseudopores; △, special chaetae. Scale bar: 0.05 mm.
FIG. 24 in Distinctive Collembola Communities in the Mesovoid Shallow Substratum: Entomobryomorpha of the Sierra de Guadarrama National Park (Central Spain)
FIG. 24. — Pseudosinella gonzaloi Baquero & Jordana n. sp., Abd II-III dorsal macrochaetotaxy. Abbreviations: see Material and methods. Symbols: ●, Mc; ○, mes or mic; ⦰, pseudopores; ▣, bothriotricha. Scale bar: 0.02 mm.
FIG. 23 in Distinctive Collembola Communities in the Mesovoid Shallow Substratum: Entomobryomorpha of the Sierra de Guadarrama National Park (Central Spain)
FIG. 23. — Pseudosinella gonzaloi Baquero & Jordana n. sp.: A, organite on tip of Ant IV; B, three types of sensilla on Ant IV; C, area postlabial; D, head chaetotaxy; E, trochanteral organ; F, claw and empodium of leg 3; G, detail of the claw, ventral view; H, manubrial plate chaetae; I, tip of dens, mucro and mucronal spine. Abbreviations: see Material and methods. Symbols: ●, Mc; ○, mes or small/doubtful Mc; ⦰, pseudopores. Scale bars: A, B, 0.005 mm; C, G, H, 0.02 mm; G, 0.01 mm.
FIG. 20 in Distinctive Collembola Communities in the Mesovoid Shallow Substratum: Entomobryomorpha of the Sierra de Guadarrama National Park (Central Spain)
FIG. 20. — Pseudosinella valverdei Baquero & Jordana n. sp.: A, organite and accessory sensillum on Ant IV; B, head chaetotaxy; C, hind part of labium and postlabial area; D, manubrial plate chaetae and pseudopores; E, claw and empodium of leg 3; F, tip of dens, mucro and mucronal spine. Abbreviations: see Material and methods. Symbols: ●, Mc; ○, mes or small/doubtful Mc; ⦰, pseudopores. Scale bars: A, D, 0.01 mm; C, E, F, 0.02 mm; B, 0.05 mm.
ScienceDex guides
Understand access before you commit
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.