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2,291 results for “life history”
Figures 6-13 from: Müller A, Richter H (2018) Dual function of Potentilla (Rosaceae) in the life history of the rare boreoalpine osmiine bee Hoplitis (Formicapis) robusta (Hymenoptera, Megachilidae). Alpine Entomology 2: 139-147. https://doi.org/10.3897/alpento.2.30158
Figures 6-13 Hoplitisrobusta. 6) X-ray of nest branch with nest 1 (left) and nest 2 (right). 7, 8) Nest seal of nest 1 (left) and nest 2 (right) consisting of leaf pulp. 9, 10) Dissected nest 1 with six brood cells (left) and nest 2 with five brood cells (right) in L-shaped pupation tunnels of cerambycid beetles. 11) Close-up view of brood cells in nest 1. 12, 13) Nest plug of nest 1 (left) and nest 2 (right), each consisting of several successive partitions of leaf pulp.
Figure 17 from: Müller A, Richter H (2018) Dual function of Potentilla (Rosaceae) in the life history of the rare boreoalpine osmiine bee Hoplitis (Formicapis) robusta (Hymenoptera, Megachilidae). Alpine Entomology 2: 139-147. https://doi.org/10.3897/alpento.2.30158
Figure 17 L-shaped pupation tunnel of Tetropiumcastaneum (Cerambycidae) after emergence of the adult beetle with densely packed wood chips and fibers in the straight horizontal part of the tunnel (photo B. Wermelinger).
Figures 1-5 from: Müller A, Richter H (2018) Dual function of Potentilla (Rosaceae) in the life history of the rare boreoalpine osmiine bee Hoplitis (Formicapis) robusta (Hymenoptera, Megachilidae). Alpine Entomology 2: 139-147. https://doi.org/10.3897/alpento.2.30158
Figures 1-5 Hoplitisrobusta. 1) Female collecting pollen and nectar on Potentillaerecta. 2) Head of female. 3) Nesting habitat in the Calfeisen valley near St. Martin (St Gallen). 4) Dead fallen spruce (Piceaabies) with nesting branch marked with red arrow. 5) Nesting branch with nest entrances marked with red arrows.
Figures 14-16 from: Müller A, Richter H (2018) Dual function of Potentilla (Rosaceae) in the life history of the rare boreoalpine osmiine bee Hoplitis (Formicapis) robusta (Hymenoptera, Megachilidae). Alpine Entomology 2: 139-147. https://doi.org/10.3897/alpento.2.30158
Figures 14-16 14) Leaf of Potentillaerecta. 15) Close-up view of leaf of Potentillaerecta with indumental hairs along the leaf margins and on the leaf surface. 16) Leaf pulp matrix of uppermost partition of the plug of nest 1 with numerous indumental hairs possibly originating from Potentilla and/or Fragaria.
Figure 2 from: Derbák D, Dányi L, Hornung E (2018) Life history characteristics of a cave isopod (Mesoniscus graniger Friv.). In: Hornung E, Taiti S, Szlavecz K (Eds) Isopods in a Changing World. ZooKeys 801: 359-370. https://doi.org/10.3897/zookeys.801.23391
Figure 2 Microcosm model populations in the Baradla cave (north-eastern Hungary). aMesoniscusgraniger individuals aggregating on decaying wood b plan view of a microcosm container with food in the middle c schematic cross section of a container.
Figure 4 from: Derbák D, Dányi L, Hornung E (2018) Life history characteristics of a cave isopod (Mesoniscus graniger Friv.). In: Hornung E, Taiti S, Szlavecz K (Eds) Isopods in a Changing World. ZooKeys 801: 359-370. https://doi.org/10.3897/zookeys.801.23391
Figure 4 Adults and juveniles (juv – white arrows); insertion: Pregnant female giving birth to a manca (m).
Figure 3 from: Derbák D, Dányi L, Hornung E (2018) Life history characteristics of a cave isopod (Mesoniscus graniger Friv.). In: Hornung E, Taiti S, Szlavecz K (Eds) Isopods in a Changing World. ZooKeys 801: 359-370. https://doi.org/10.3897/zookeys.801.23391
Figure 3 a Frequency of size distribution of the studied Mesoniscusgraniger population by gender and age b Significant differences in head width distribution (average ± SE) of the sexes (Welch test; p-value <0.001).
Figure 1 from: Derbák D, Dányi L, Hornung E (2018) Life history characteristics of a cave isopod (Mesoniscus graniger Friv.). In: Hornung E, Taiti S, Szlavecz K (Eds) Isopods in a Changing World. ZooKeys 801: 359-370. https://doi.org/10.3897/zookeys.801.23391
Figure 1 a Sexual dimorphism of Mesoniscusgraniger. Scale bar 500 µm. Key: 1st Pl-ex – first pleopodite-exopodite, Pl-en – pleopodite-endopodite b black line – head-width measurement.
Daphnia magna life history data for caged and uncaged individuals (lab and mesocosm)
<p>Life history studies are often conducted in a laboratory environment where it is easy to assay individual animals. However, factors such as temperature, photoperiod, and nutrition vary greatly between laboratory and field environments, making it difficult to compare results. Consequently, there is a need to study individual life histories in the field, but this is currently difficult in systems such as Daphnia where it is not possible to mark and track individual animals. Here, we present a proof of principle study showing that field cages are a reliable method for collecting individual-level life history data in Daphnia magna. As a first step, we compared the life history of paired animals reared outside and inside cages to test the hypothesis that cages allow free-flow of algal food resources. We then used a semi-natural mesocosm setting to compare the performance of individual field cages versus glass jars re-filled with mesocosm water each day. We found that cages did not inhibit food flow, and that differences in life histories between three clones detected in the jar assays were also detectable using the much less labour-intensive field cages. We conclude that field cages are a feasible approach for collecting individual-level life history data in systems such as Daphnia where individual animals cannot be marked and tracked.</p>
Life history and population ecology of Radix swinhoei in Lake Dianchi
<p><span>Freshwater pulmonate (<em>Radix</em> <em>swinhoei</em>) is widespread and abundant in many eutrophic water bodies in Asia. Here, we conducted a one-year survey of <em>R</em>. <em>swinhoei</em> with monthly collections to measure the life history traits (life span and growth), annual secondary production and population size structure of <em>R</em>. <em>swinhoei</em> in nearshore regions of Lake Dianchi, a typic hypereutrophic plateau lake in Southwest China.</span></p>
Data for: Ground nesting in passerine birds: Evolution, biogeography and life history correlates
<p>Nest location is one of the key components of avian reproduction and sharp transitions between different nest location strategies may have profound ecological and evolutionary consequences. Here, we used a phylogenetically-informed comparative framework to reconstruct the evolution of ground nesting behaviour in passerine birds, quantify its biogeographical and habitat variation, and test for its associations with life history traits. Our dataset comprised over 1600 species distributed worldwide and representing ca. 90% of all extant passerine families. Our analyses revealed a scattered phylogenetic distribution and moderate phylogenetic signal in the occurrence of ground nesting in passerines. We also found relatively high forward and backward transitions rates between character states of ground and non-ground nesting, indicating strong evolutionary lability. Non-ground nesting was identified as a likely ancestral state at the root of passerine phylogeny. Occurrence of ground nesting was clearly associated with habitat variation, as open habitats generally supported greater proportion of ground nesting species than non-open habitats (forests). Within the major habitat categories we found greater proportion of ground nesters in boreal and temperate than subtropical and tropical zones. This reflected a general latitudinal gradient in the occurrence of ground nesting, with higher proportion of ground nesting species at higher latitudes (especially at the northern hemisphere). Ground nesting was also associated with fast life histories, as ground nesters had larger clutches, shorter incubation periods and faster chick development rates than non-ground nesters. This variation was possibly driven by higher predation rates on nestlings and adult birds in ground nesting species. Our study lays a foundation for a comprehensive understanding of mechanisms and processes that have driven macroevolution of ground nesting behaviour in the most species-rich extant avian lineage.</p>
FIGURE 8 in The life history of Hayesiana triopus (Westwood, 1847), with taxonomic notes on both present and former species of the genus Hayesiana Fletcher, 1982 (Lepidoptera: Sphingidae)
FIGURE 8. Female genitalia of Dahira farintaenia from Hanzhong County, Shaanxi. Scale bar = 1 mm.
Figs 13-16 in Larval morphology and life history of Ascalaphus dicax Walker, 1853 (Neuroptera: Myrmeleontidae, Ascalaphinae)
Figs 13-16 – Ascalaphus dicax Walker, 1853. 13, third instar larva, ventral view; 14, larva spinning cocoon; 15, pupa; 16, cocoon. Scale bar: 1 mm.
Supplementary material 1 from: Liu Z (2023) An "American" silkmoth endemic to Himalayas, part I: life history and natural distribution of Antheraea compta Rothschild, 1899 (Lepidoptera, Saturniidae). Deutsche Entomologische Zeitschrift 70(2): 261-282. https://doi.org/10.3897/dez.70.102952
Feeding schedule of Antheraea compta L6
Supplementary material 3 from: Liu Z (2023) An "American" silkmoth endemic to Himalayas, part I: life history and natural distribution of Antheraea compta Rothschild, 1899 (Lepidoptera, Saturniidae). Deutsche Entomologische Zeitschrift 70(2): 261-282. https://doi.org/10.3897/dez.70.102952
Defensive behavior of Antheraea compta L6
Data file for Dean et al.'s article, "The Distribution and Biogenic Origins of Zinc in the Mineralised Tooth Tissues of Modern and Fossil Hominoids: Implications for Life History, Diet and Taphonomy".
<p>Supporting data file for Dean et al.'s article, "The Distribution and Biogenic Origins of Zinc in the Mineralised Tooth Tissues of Modern and Fossil Hominoids: Implications for Life History, Diet and Taphonomy", submitted in 2023 in <em>Biology.</em></p> <p>For the detailed statistical analyses performed using this dataset, see Appendix B of Dean et al. (2023).</p>
An App-based Mindfulness Intervention for Sexual Minority Women With a History of Early Life Adversities (ELA)
ClinicalTrials.gov study NCT05201391. IPD Sharing: YES. Countries: 1. Publications: 0.
Development of the Eye Motor System During the First 7 Months of Life in Infants With and Without a Family History of Cross-Eye
ClinicalTrials.gov study NCT00001143. IPD Sharing: Not stated. Countries: 1. Publications: 3.
Data from: Life-history strategy and behavioral type: risk-tolerance reflects growth rate and energy allocation in ant colonies
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Data from: Are extraversion and openness indicators of a slow life history strategy?
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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.