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8 results for “feeding ground”
Genetic diversity and connectivity of southern right whales (Eubalaena australis) found in the Brazil and Chile–Peru wintering grounds and the South Georgia (Islas Georgias del Sur) feeding ground
<p></p><p>As species recover from exploitation, continued assessments of connectivity and population structure are warranted to provide information for conservation and management. This is particularly true in species with high dispersal capacity, such as migratory whales, where patterns of connectivity could change rapidly. Here we build on a previous long-term, large-scale collaboration on southern right whales (Eubalaena australis) to combine new (nnew) and published (npub) mitochondrial (mtDNA) and microsatellite genetic data from all major wintering grounds and, uniquely, the South Georgia (Islas Georgias del Sur: SG) feeding grounds. Specifically, we include data from Argentina (npub mtDNA/microsatellite = 208/46), Brazil (nnew mtDNA/microsatellite = 50/50), South Africa (nnew mtDNA/microsatellite = 66/77, npub mtDNA/microsatellite = 350/47), Chile–Peru (nnew mtDNA/microsatellite = 1/1), the Indo-Pacific (npub mtDNA/microsatellite = 769/126), and SG (npub mtDNA/microsatellite = 8/0, nnew mtDNA/microsatellite = 3/11) to investigate the position of previously unstudied habitats in the migratory network: Brazil, SG, and Chile–Peru. These new genetic data show connectivity between Brazil and Argentina, exemplified by weak genetic differentiation and the movement of 1 genetically identified individual between the South American grounds. The single sample from Chile–Peru had an mtDNA haplotype previously only observed in the Indo-Pacific and had a nuclear genotype that appeared admixed between the Indo-Pacific and South Atlantic, based on genetic clustering and assignment algorithms. The SG samples were clearly South Atlantic and were more similar to the South American than the South African wintering grounds. This study highlights how international collaborations are critical to provide context for emerging or recovering regions, like the SG feeding ground, as well as those that remain critically endangered, such as Chile–Peru.</p><p></p>
Gut microbiota of wild arboreal and ground-feeding tropical primates
<p>16S rRNA gene and ITS sequences from fecal samples of 12 groups of Udzungwa (Tanzania) red colobus Procolobus gordonorum (total number of samples: 89), and five groups of yellow baboon Papio cynocephalus (total number of samples: 69).</p> <p>The dataset consists of the following files:</p> <ul> <li><strong>16S_raw.tar</strong>: raw 16S rRNA gene sequences;</li> <li><strong>16S_filtered.fasta.gz</strong>: merged, adapter trimmed and quality filtered 16S rRNA gene sequences;</li> <li><strong>16S_ID.txt</strong>: 16S file ID to sample ID mapping;</li> <li><strong>ITS_raw.tar</strong>: raw ITS sequences;</li> <li><strong>ITS_filtered.fasta.gz</strong>: merged, adapter trimmed and quality filtered ITS sequences;</li> <li><strong>ITS_ID.txt</strong>: ITS file ID to sample ID mapping;</li> <li><strong>Metadata.tsv</strong>: sample metadata;</li> <li><strong>Accessions.tsv</strong>: ENA project and sample accessions;</li> <li><strong>Helminths.tsv</strong>: helminths abundances table.</li> </ul> <p> </p>
Genetic diversity and connectivity of southern right whales (Eubalaena australis) found in the Brazil and Chile–Peru wintering grounds and the South Georgia (Islas Georgias del Sur) feeding ground
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Data from: Subarctic singers: Humpback whale (Megaptera novaeangliae) song structure and progression from an Icelandic feeding ground during winter
Humpback whale songs associated with breeding behaviors are increasingly reported outside of traditional low latitude breeding grounds. Songs from a subarctic feeding ground during the winter were quantitatively characterized to investigate the structure and temporal changes of the songs at such an atypical location. Recordings were collected from 26. January to 12. March, 2011, using bottom mounted recorders. Humpback songs were detected on 91% of the recording days with peak singing activities during 9.–26. February. The majority of the recordings included multiple chorusing singers. The songs were characterized by a) common static themes which transitioned consistently to predictable themes, b) shifting themes which occurred less predictably and c) rare themes. A set median sequence was found for four different periods (sets) of recordings (approximately 1 week each). The set medians were highly similar and formed a single cluster indicating that the sequences of themes sung in this area belonged to a single cluster of songs despite of the variation caused by the shifting themes. These subarctic winter songs could, thus, represent a characteristic song type for this area which is comparable to extensively studied songs from traditional low latitude breeding grounds. An increase in the number of themes per sequence was observed throughout the recording period including minor changes in the application of themes in the songs; indicating a gradual song progression. The results confirm that continual singing of sophisticated songs occur during the breeding season in the subarctic. In addition to being a well-established summer feeding ground the study area appears to be an important overwintering site for humpback whales delaying or canceling their migration where males engage in active sexual displays, i.e. singing. Importantly, such singing activity on a shared feeding ground likely aids the cultural transmission of songs in the North Atlantic.
Fig. 1. A in Feeding of a Shore-Inhabiting Ground Beetle, Scarites aterrimus (Coleoptera: Carabidae)
Fig. 1. A Scarites aterrimus adult feeding on dead earwig Anisolabis maritime on the beach of Fukiage-hama, Awaji Island in central Japan. Scale line: 10 mm.
Data from: Subarctic singers: Humpback whale (Megaptera novaeangliae) song structure and progression from an Icelandic feeding ground during winter
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Phylogeographic analysis of character displacement in feeding phenotypes of snail-feeding Acoptolabrus ground beetles: Morphological measurements
<p>Ecological character displacement predicts that interspecific resource competition results in greater trait divergence between species in sympatry than in allopatry. In this study, we characterize character displacement in 8 species of snail-feeding <i>Acoptolabrus</i> ground beetles (Coleoptera, Carabidae, genus <em>Carabus</em>) in the Far East. <i>Acoptolabrus</i> exhibit divergent feeding phenotypes, including species with a slender forebody for intruding large shells and species with stout heads and mandibles for crushing small shells. Distance measurements (in mm) deposited here are for evaluating body shape variation among 8 <em>Acoptolabrus</em> species.</p>
Phylogeographic analysis of character displacement in feeding phenotypes of snail-feeding Acoptolabrus ground beetles: Morphological measurements
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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.
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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.