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355 results for “mammal species”
FIGURE 2 in Species diversity and phylogeny of fleas of small terrestrial mammals in the forests of the Central Highlands of Madagascar
FIGURE 2. Flea species isolated in this study. (a) Centetipsylla madagascariensis, male. (b) C. madagascariensis, female. (c) Synopsyllus fonquerniei, male. (d) S. fonquerniei, female. (e) S. estradei, male. (f) S. estradei, female. (g) S. robici, male. (h) Paractenopsyllus vauceli, male. (i) P. vauceli, female. (j) P. petiti, male. (k) P. petiti, female. (l) P. viettei, male.
FIGURE 3 in Species diversity and phylogeny of fleas of small terrestrial mammals in the forests of the Central Highlands of Madagascar
FIGURE 3. Bayesian trees constructed using COII (A) and ITS2 (B) sequences. Values at nodes correspond to the posterior probability values (P) obtained after 100 replicates. P values under 0.7 are not shown. Trees were rooted using sequences of the species Tunga penetrans, T. trimamillata and Hectopsylla cypha. The number of sequences we obtained for each species was given in brackets. Sequences of exotic species (available in our data) such as Xenopsylla cheopis, X. brasiliensis, Pulex irritans, Peromyscopsylla fallax and one endemic species isolated in other site Synopsyllus girardi were added.
FIGURE 2 in Species diversity and phylogeny of fleas of small terrestrial mammals in the forests of the Central Highlands of Madagascar
FIGURE 2 (continued). Flea species isolated in this study. (m) Paractenopsyllus grandidieri, male. (n) P. grandidieri, female. (o) P. goodmani, male. (p) P. goodmani, female. (q) P. rouxi, male. (r) P. raxworthyi, male. (s) Tsaractenus rodhaini, male. (t) Dinopsyllus brachypecten, male. (u) D. brachypecten, female.
FIGURE 5 in Species diversity and phylogeny of fleas of small terrestrial mammals in the forests of the Central Highlands of Madagascar
FIGURE 5. Maximum parsimonious trees using COII (A), ITS2 (B), 16S (C) and 12S (D) sequences. Values at nodes correspond to the bootstrap values (B) obtained after 100 replicates. B values under 50 are not shown. Trees were rooted using sequences of the species Tunga penetrans, T. trimamillata and Hectopsylla pulex.
Data and code for: Human density modulates spatial associations among tropical forest terrestrial mammal species
<p>The spatial aggregation of species pairs often increases with the ecological similarity of the species involved. However, the way in which environmental conditions and anthropogenic activity affect the relationship between spatial aggregation and ecological similarity remains unknown despite the potential for spatial associations to affect species interactions, ecosystem function, and extinction risk. Given that human disturbance has been shown to both increase and decrease spatial associations among species pairs, ecological similarity may have a role in mediating these patterns. Here, we test the influences of habitat diversity, primary productivity, human population density, and species' ecological similarity based on functional traits (i.e., functional trait similarity) on spatial associations among tropical forest mammals. Large mammals are highly sensitive to anthropogenic change and therefore susceptible to changes in interspecific spatial associations. Using two-species occupancy models and camera trap data, we quantified the spatial overlap of 1,216 species pairs from 13 tropical forest-protected areas around the world. We found that the association between ecological similarity and interspecific species associations depended upon surrounding human density. Specifically, aggregation of ecologically similar species was more than an order of magnitude stronger in landscapes with the highest human density compared to those with the lowest human density, even though all populations occurred within protected areas. Human-induced changes in interspecific spatial associations have been shown to alter top-down control by predators, increase disease transmission and increase local extinction rates. Our results indicate that anthropogenic effects on the distribution of wildlife within protected areas are already occurring and that impacts on species interactions, ecosystem functions, and extinction risk warrant further investigation. </p>
Data from: Can body mass and skull morphology predict seed and fruit ingestion potential for mammal species? A test using extant species and its application to extinct species
<p>Larger animals are assumed to ingest larger seeds and consume larger fruits, but empirical studies reveal inconsistent trends between body mass and the average size of fruits and seeds ingested. Further, no studies have explored seed size relationships with morphological traits, such as skull dimensions. Such characteristics might provide more reliable estimates of ingestion ability and allow for accurate predictions of seed dispersal capacity in species for which we lack empirical data, especially extinct species. To determine whether (i) mammalian skull dimensions are better predictors of the maximum size of ingested seeds and fruits, compared to body mass and (ii) body mass are the better predictors of mean fruit and seed sizes, we studied these relationships across three mammalian orders: Chiroptera, Primates, and Carnivora.</p> <p>We collected novel data on skull dimensions and collated available data on body mass and maximum and mean sizes of ingested fruits and seeds for mammals (N=100) across the Neotropics, Asia, Africa, and Madagascar. We explored the relationships between anatomical traits and fruit and seed sizes of extant species and made predictions for five extinct species.</p> <p>Our results revealed that body mass and skull dimensions are essential determinants of ingested fruit and seed size in mammals. The latter traits can generate predictions for extinct species, especially coronoid height and maximum jaw gape. Nevertheless, body mass predicted larger ingested fruits and seeds than skull dimensions and explained a greater part of the variance for both maximum and mean sizes in our dataset.</p> <p>Our results show how body mass and cranial anatomy constrain seed size and reinforce the importance of maintaining functional diversity in seed dispersers to maintain tropical forest structure. We also show that scientists can use morphological characteristics to predict the seed dispersal potential of extinct mammals allowing better inferences on past and future consequences of frugivore extinctions within tropical forests.</p>
Small mammal species richness and turnover along elevational gradient in Yulong Mountain, Yunnan, Southwest China
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Data from: Indirect effects of a large mammalian herbivore on small mammal populations: context-dependent variation across habitat types, mammal species and seasons
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Assessing mammal species richness and occupancy in a Northeast Asian temperate forest shared by cattle
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Data from: Human disturbance impacts on rainforest mammals are most notable in the canopy; especially for larger-bodied species
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Data and code for: Human density modulates spatial associations among tropical forest terrestrial mammal species
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Determining the efficacy of camera traps, live capture traps, and detection dogs for locating cryptic small mammal species
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Data from: Dispersal, niche, and isolation processes jointly explain species turnover patterns of nonvolant small mammals in a large mountainous region of China
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Kruger National Park medium to large mammal species herd sizes & distances to the road - fieldwork data
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Data from: Can body mass and skull morphology predict seed and fruit ingestion potential for mammal species? A test using extant species and its application to extinct species
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Data from: Accuracy of identifications of mammal species from camera trap images: a northern Australian case study
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Data from: Environmental factors explain the spatial mismatches between species richness and phylogenetic diversity of terrestrial mammals
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Data from: Distinct spread of DNA and RNA viruses among mammals amid prominent role of domestic species
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Data from: Corridors or risk? movement along, and use of, linear features vary predictably among large mammal predator and prey species
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Data from: Untangling human and environmental effects on geographical gradients of mammal species richness: a global and regional evaluation
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Allen Brain Atlas
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Annotated Behaviour and Observability Dataset (ABODe)
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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
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.