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8,782 results for “Natural History”
Maps 9–12 in Classification, Natural History, And Evolution Of The Genus Aphelocerus Kirsch (Coleoptera: Cleridae: Clerinae)
Maps 9–12. Geographic distributions of species as indicated.
Fig. 279 in Classification, Natural History, And Evolution Of The Genus Aphelocerus Kirsch (Coleoptera: Cleridae: Clerinae)
Fig. 279. North America clerofauna (in black).
Maps 5–8 in Classification, Natural History, And Evolution Of The Genus Aphelocerus Kirsch (Coleoptera: Cleridae: Clerinae)
Maps 5–8. Geographic distributions of species as indicated.
Figs. 41–42 in Classification, Natural History, And Evolution Of The Genus Aphelocerus Kirsch (Coleoptera: Cleridae: Clerinae)
Figs. 41–42. Habitus views of Aphelocerus scutellaris (41, dorsal; 42, lateral).
Fig. 45 in Classification, Natural History, and Evolution of Epiphloeinae (Coleoptera: Cleridae). Part V. Decorosa Opitz, a New Genus of Checkered Beetles from Hispaniola with Description of Its Four New Species
Fig. 45. Phylogenetic tree of Decorosa Opitz and related taxa; computer generated.
Fig. 46 in Classification, Natural History, and Evolution of Epiphloeinae (Coleoptera: Cleridae). Part V. Decorosa Opitz, a New Genus of Checkered Beetles from Hispaniola with Description of Its Four New Species
Fig. 46. Geographic distribution of Decorosa Opitz species.
Fig. 44 in Classification, Natural History, and Evolution of Epiphloeinae (Coleoptera: Cleridae). Part V. Decorosa Opitz, a New Genus of Checkered Beetles from Hispaniola with Description of Its Four New Species
Fig. 44. Phylogenetic tree of Decorosa Opitz and related taxa; manually prepared.
Fig. 1 in Classification, Natural History, and Evolution of Epiphloeinae (Coleoptera: Cleridae). Part V. Decorosa Opitz, a New Genus of Checkered Beetles from Hispaniola with Description of Its Four New Species
Fig. 1. Habitus of Decorosa aladecoris Opitz.
Fig. 93 in Classification, natural history, and evolution of Tarsosteninae (Coleoptera: Cleroidea: Cleridae). Part IV. Taxonomy of the Tarsostenodes complex of Australia, New Caledonia, New Guinea, and Tasmania
Fig. 93: Geographic distribution of species as noted.
Fig. 92 in Classification, natural history, and evolution of Tarsosteninae (Coleoptera: Cleroidea: Cleridae). Part IV. Taxonomy of the Tarsostenodes complex of Australia, New Caledonia, New Guinea, and Tasmania
Fig. 92: Geographic distribution of Tarsostenodes guttulus.
Fig. 91 in Classification, natural history, and evolution of Tarsosteninae (Coleoptera: Cleroidea: Cleridae). Part IV. Taxonomy of the Tarsostenodes complex of Australia, New Caledonia, New Guinea, and Tasmania
Fig. 91: Geographic distribution of species as noted.
Fig. 90 in Classification, natural history, and evolution of Tarsosteninae (Coleoptera: Cleroidea: Cleridae). Part IV. Taxonomy of the Tarsostenodes complex of Australia, New Caledonia, New Guinea, and Tasmania
Fig. 90: Geographic distribution of Tarsostenodes simulator.
Fig. 50 in Classification, natural history, and evolution of Tarsosteninae (Coleoptera: Cleroidea: Cleridae). Part IV. Taxonomy of the Tarsostenodes complex of Australia, New Caledonia, New Guinea, and Tasmania
Fig. 50: Phylogenetic hypothesis of the species of the Tarsostenodes complex.
Fig. 1 in Classification, natural history, and evolution of Tarsosteninae (Coleoptera: Cleroidea: Cleridae). Part IV. Taxonomy of the Tarsostenodes complex of Australia, New Caledonia, New Guinea, and Tasmania
Fig. 1: Habitus of Tarsostenodes cribripennis.
Fig. 41 in Classification, Natural History, and Evolution of the Enopliinae GISTEL (Coleoptera Cleridae). Part IV. The New World genus Pyticara SPINOLA
Fig. 41: Geographic distribution of Pyticara championi.
Fig. 31 in Classification, Natural History, and Evolution of the Enopliinae GISTEL (Coleoptera Cleridae). Part IV. The New World genus Pyticara SPINOLA
Fig. 31: Phylogenetic hypothesis of Pyticara species.
Fig. 40 in Classification, Natural History, and Evolution of the Enopliinae GISTEL (Coleoptera Cleridae). Part IV. The New World genus Pyticara SPINOLA
Fig. 40: Geographic distribution of species as noted.
Figure 1 in The species of Papilionidae and Pieridae (Lepidoptera) described by Cramer and Stoll and their putative type material in the Natural History Museum in London
Figure 1. De Uitlandsche Kapellen (title page).
Figure 2 in The species of Papilionidae and Pieridae (Lepidoptera) described by Cramer and Stoll and their putative type material in the Natural History Museum in London
Figure 2. De Uitlandsche Kapellen (dedication to Cornelis van Lennep).
The telomere regulatory gene POT1 responds to stress and predicts performance in nature: implications for telomeres and life history evolution
<p>Telomeres are emerging as correlates of fitness-related traits and may be important mediators of ecologically relevant variation in life history strategies. Growing evidence suggests that telomere dynamics can be more predictive of performance than length itself, but very little work considers how telomere regulatory mechanisms respond to environmental challenges or influence performance in nature. Here, we combine observational and experimental datasets from free-living tree swallows (<i>Tachycineta bicolor</i>) to assess how performance is predicted by the telomere regulatory gene POT1, which encodes a shelterin protein that sterically blocks telomerase from repairing the telomere. First, we show that lower POT1 gene expression was associated with higher female quality, <i>i.e.</i> earlier breeding and heavier body mass. We next challenged mothers with an immune stressor (lipopolysaccharide injection) that led to 'sickness' in mothers and 24h of food restriction in their offspring. While POT1 did not respond to maternal injection, females with lower constitutive POT1 gene expression were better able to maintain feeding rates following treatment. Maternal injection also generated a one-day stressor for chicks, which responded with lower POT1 gene expression and elongated telomeres. Other putatively stress-responsive mechanisms (i.e. glucocorticoids, antioxidants) showed marginal responses in stress-exposed chicks. Model comparisons indicated that POT1 mRNA abundance was a largely better predictor of performance than telomere dynamics, indicating that telomere regulators may be powerful modulators of variation in life history strategies.</p>
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.