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782 results for “pacing”
FIGURES 19‒24 in A new species of Keratodegnathus Pace in Indonesia (Coleoptera, Staphylinidae)
FIGURES 19‒24. Keratodegnathus javanicus sp. n., holotype female. Sternite VIII (19); tergite VIII (20); segment IX and X (21); mediobasal region of segments IX and X (22); spermatheca (23‒24). Abbreviations: tIX‒X, tergite IX‒X; vp, vaginal plate (sensu Maruyama (2006: fig. 16A)).
Citizen Science for Librarians: Introduction to the self-paced course
<p>LibOCS project partner KTU Library has made a brief introductory video about the self-paced online course for librarians.</p>
Fig. 3 in Description of a New Species of Beijingusa Pace (Coleoptera: Staphylinidae: Aleocharinae) in Korea
Fig. 3. Beijingusa mandibularis, new species. Male: A) Tergite VIII, dorsal view, B) Sternite VIII, ventral view, C) Tergites IX and X, dorsal view. Female: D) Tergite VIII, dorsal view, E) Sternite VIII, ventral view, F) Tergites IX and X, dorsal view. Scale bar = 0.1 mm.
Fig. 4. Beijingusa mandibularis, new species. A in Description of a New Species of Beijingusa Pace (Coleoptera: Staphylinidae: Aleocharinae) in Korea
Fig. 4. Beijingusa mandibularis, new species. A) Aedeagus, dorsal view, B) Aedeagus, lateral view, C) Paramere, lateral view, D) Apical lobe of paramerite, lateral view, E) Spermatheca. Scale bar: 0.1 mm.
Data from: Fuel for the pace of life: baseline blood glucose concentration coevolves with life history traits in songbirds
1. It has been proposed that life histories have coevolved with a suite of physiological and behavioural adaptations, termed pace-of-life syndromes (POLS). Here, we hypothesise that basal concentration of blood glucose (G0), a major source of energy circulating in vertebrate blood, may constitute a key component of POLS. 2. To test this hypothesis, we measured G0 in 30 passerine species and tested its covariation with body mass and other life history traits. Importantly, body mass is a major life history determinant and, when its effect is controlled for, there may be no single fast-slow life history continuum in birds comprising both fecundity and lifespan. Hence, we used individual life history traits, rather than principal component analysis, to characterise life history variation in our analysis. 3. In support of G0 life history coevolution, we found G0 to be negatively correlated with body mass and positively with reproductive investment in a single clutch across 30 passerine species. Higher G0 in females suggests that the energy demands of clutch production and incubation may be an important selection force driving coevolution of G0 with reproductive output. 4. In contrast, G0 was not associated with maximum lifespan, suggesting that high G0 may not constrain evolution of longevity. This implies that long-lived species can evolve physiological adaptations preventing harmful effects of high glucose concentrations, known to cause pathologies and accelerate ageing. 5. In addition, G0, but not basal metabolic rate (BMR), was negatively correlated with migration distance, attesting to evolutionary changes in energy metabolism in long distance migrants. Our results further suggest that the links between body mass, reproduction and G0 are not mediated by BMR and that G0 is associated with fast-slow life history variation more closely than available BMR data. 6. A species life history is determined to a great extent by body mass. When this effect is controlled for, only those traits related to reproduction (but not lifespan) constitute the principal axis of life history variation in birds. Hence, the coevolution of G0 with body mass and reproductive output evidenced in our study indicates that G0 constitutes an important physiological component of POLS.
The relative effects of pace of life and habitat characteristics on the evolution of sexual ornaments: a comparative assessment
<p><span>Selection may favor greater investment into sexual ornaments when opportunities for future reproduction are limited (e.g., due to high adult mortality). However, a key driver of mortality, predation, typically selects against elaborate sexual ornaments. Here, we examine the evolution of sexual ornaments in a group of killifishes, which have marked contrasts in life-history strategy between species and inhabit environments that differ in their accessibility to aquatic predators. We first assessed if the size of sexual ornaments (unpaired fins) influenced swimming performance and found that larger fins negatively affected swimming performance. Second, we investigated whether the evolution of larger ornamental fins is driven primarily by the pace of life-history (i.e., investment into current vs future reproduction) or habitat type (as a proxy for predation risk). We found that males from species inhabiting ephemeral habitats with lower predation risk had both larger fins and more pronounced sexual dimorphism in fin size, compared to males from more accessible permanent habitats. Our results indicate that enlarged ornamental fins impair locomotion and evolve more frequently in environments that are less accessible to predators, but with no clear association to the pace of life-history. We provide a rare link between the evolution of sexual ornaments, decreases in locomotion, and natural selection on ornaments through vulnerability to predation.</span></p>
FIGURES 31–36 in Taxonomy of the genus Andrikothelyna Pace, 2000 (Coleoptera: Staphylinidae Aleocharinae), with description of three new species from Taiwan and Japan
FIGURES 31–36. Andrikothelyna naomichii sp. nov. 31―abdominal tergite VIII, male; 32―abdominal sternite VIII male; 33―abdominal sternite VIII female; 34―median lobe of male aedeagus; 35―Paramere of male aedeagus; 36―female spermatheca.
FIGURES 16–19 in Taxonomy of the genus Andrikothelyna Pace, 2000 (Coleoptera: Staphylinidae Aleocharinae), with description of three new species from Taiwan and Japan
FIGURES 16–19. Andrikothelyna rubiginosa sp. nov. female. 16―Meso- and metaventrite; 17―abdominal tergite VIII; 18― abdominal sternite VIII; 19―spermatheca.
FIGURES 9–15 in Taxonomy of the genus Andrikothelyna Pace, 2000 (Coleoptera: Staphylinidae Aleocharinae), with description of three new species from Taiwan and Japan
FIGURES 9–15. Mouth parts of Andrikothelyna rubiginosa sp. nov. 9―Labrum; 10―epipharynx; 11―left mandible; 12― right mandible; 13―maxilla; 14―labium; 15―mentum.
FIGURES 29–30 in Taxonomy of the genus Andrikothelyna Pace, 2000 (Coleoptera: Staphylinidae Aleocharinae), with description of three new species from Taiwan and Japan
FIGURES 29–30. Habitat of Andrikothelyna limbata sp. nov. 29―dead branch of beach hibiscus, Talipariti tiliaceum from which the species is collected; 30―the zoomed image of the arrowed area.
FIGURES 1–8 in Taxonomy of the genus Andrikothelyna Pace, 2000 (Coleoptera: Staphylinidae Aleocharinae), with description of three new species from Taiwan and Japan
FIGURES 1–8. Habitus of Andrikothelyna spp. 1, 5―Holotype of Andrikothelyna rubiginosa sp. nov., female; 2, 6―Holotype of Andrikothelyna limbata sp. nov., male (Kyushu); 3, 7―Andrikothelyna limbata sp. nov. male (Ishigaki Is.); 4, 8―Holotype of Andrikothelyna naomichii sp. nov. male.
FIGURES 20–28 in Taxonomy of the genus Andrikothelyna Pace, 2000 (Coleoptera: Staphylinidae Aleocharinae), with description of three new species from Taiwan and Japan
FIGURES 20–28. Andrikothelyna limbata sp. nov. 20―abdominal tergite VIII, male; 21―abdominal sternite VIII male; 22― abdominal sternite VIII female; 23–25―median lobe of male aedeagus: 23―lateral view; 24―ventral view; 25―lateral view; 26―paramere of male aedeagus; 27―female spermatheca (Kyushu); 28―female spermatheca (Ishigaki Is.).
FIGURES 37–38 in Taxonomy of the genus Andrikothelyna Pace, 2000 (Coleoptera: Staphylinidae Aleocharinae), with description of three new species from Taiwan and Japan
FIGURES 37–38. Habitat of Andrikothelyna naomichii sp. nov. 37―branches of the Japanese bay tree, Machilus thunbergii from which the species is collected; 38―a living individual at night (photo by Kyotaro Goino).
FIGURE 4. Pseudatheta taiwanensis Pace, 2008. A in Revision of the Genera Pseudatheta Cameron and Phymatura Sahlberg (Coleoptera, Staphylinidae, Aleocharinae) from Japan
FIGURE 4. Pseudatheta taiwanensis Pace, 2008. A. male elytra (white arrow indicates granules); B. male tergite VII (white arrow indicates granule); C. male sternite VI (white arrow indicates medial lobe).
Safety and Efficacy of His Bundle Pacing Validated by Extracardiac Vagal Nerve Stimulation
ClinicalTrials.gov study NCT04816864. IPD Sharing: NO. Countries: 1. Publications: 10.
The Effect of "Cerclage Pacing" for the Heart Failure Patients Who Need Cardiac Resynchronization Therapy (CRT)
ClinicalTrials.gov study NCT03438591. IPD Sharing: NO. Countries: 1. Publications: 1.
Left Ventricular Septal Pacing: Potential Application for Cardiac Resynchronization Therapy
ClinicalTrials.gov study NCT03415945. IPD Sharing: Not stated. Countries: 1. Publications: 10.
SAFE Study - Septal Pacing for Atrial Fibrillation Suppression Evaluation
ClinicalTrials.gov study NCT00419640. IPD Sharing: Not stated. Countries: 1. Publications: 1.
Effect of Ivabradine and Beta-blockers Combination Versus Beta-blockers Up-titration on Right Ventricular Pacing
ClinicalTrials.gov study NCT01868880. IPD Sharing: Not stated. Countries: 1. Publications: 3.
Pacing Activity Self-management for Patients With Multiple Sclerosis
ClinicalTrials.gov study NCT01512329. IPD Sharing: Not stated. Countries: 1. Publications: 3.
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