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995 results for “Life cycle”
F in Biology and life cycle of Scopelocheirus hopei (A. Costa, 1851), a scavenging amphipod from the continental slope of the Mediterranean
F. 12. Size-to-weight relationship of males and females collected on 10 April 1991. W, Weight in mg, L, length in mm.
F in Biology and life cycle of Scopelocheirus hopei (A. Costa, 1851), a scavenging amphipod from the continental slope of the Mediterranean
F. 6. The male size classes: (A) the horizontal line gives the mean value of the class, and the vertical one gives the size range. In the females (B), the size classes are distributed according to the stages in the animals' sexual development.
FIGURE 6 in Life Cycle Of Sarraceniopus Nipponensis (Histiostomatidae: Astigmata) From The Fluid-Filled Pitchers Of Sarracenia Alata (Sarraceniaceae)
FIGURE 6: Assumed phylogenetic relationships within Sarraceniopus.
Figure 9 in Gorgocephalidae (Digenea: Lepocreadioidea) in the Indo-West Pacific: new species, life-cycle data and perspectives on species delineation over geographic range
Figure 9. Gorgocephalus kyphosi and Gorgocephalus yaaji, ex Kyphosus vaigiensis, Lizard Island, Queensland, Australia, scanning electron micrographs. A, B, oral suckers of adult Gorgocephalus kyphosi. C, tegument of adult Gorgocephalus kyphosi. D, E, oral suckers of adult Gorgocephalus yaaji. F, tegument of adult Gorgocephalus yaaji. Scale bars: A, B, D, E, 50 µm; C, F, 20 µm.
Figure 8. Gorgocephalus kyphosi, scanning electron micrographs. A in Gorgocephalidae (Digenea: Lepocreadioidea) in the Indo-West Pacific: new species, life-cycle data and perspectives on species delineation over geographic range
Figure 8. Gorgocephalus kyphosi, scanning electron micrographs. A, whole adult worm ex Kyphosus sydneyanus, Point Riley, Yorke Peninsula, South Australia. B, D, E, ventral sucker, oral sucker and tegument of A, respectively. C, oral sucker of adult worm ex Kyphosus cinerascens, Moreton Bay, Queensland, Australia. F, oral sucker of adult worm ex Kyphosus cinerascens, Rangiroa, Tuamotu Islands, French Polynesia. Scale bars: A, 400 µm; B, 30 µm; C, D, 50 µm; E, 10 µm; F, 40 µm.
Figure 7. Gorgocephalus kyphosi. A in Gorgocephalidae (Digenea: Lepocreadioidea) in the Indo-West Pacific: new species, life-cycle data and perspectives on species delineation over geographic range
Figure 7. Gorgocephalus kyphosi. A, adult voucher ex Kyphosus sydneyanus, Point Riley, Yorke Peninsula, South Australia; lateral perspective. B, genital atrium, cirrus-sac and ovarian complex of A; lateral perspective. C, redia ex Echinolittorina vidua, Lizard Island, Queensland, Australia; ventral perspective. D, emerged cercaria ex Echinolittorina vidua, Lizard Island; ventral perspective. E, adult voucher ex Kyphosus sydneyanus, Point Riley; ventral perspective. Scale bars: A, E, 500 µm; B, C, D, 250 µm.
Figure 13. Gorgocephalus graboides A in Gorgocephalidae (Digenea: Lepocreadioidea) in the Indo-West Pacific: new species, life-cycle data and perspectives on species delineation over geographic range
Figure 13. Gorgocephalus graboides A, paratype ex Kyphosus cinerascens, Lizard Island, Queensland, Australia; lateral perspective. B, genital atrium, cirrus-sac and ovarian complex of paratype; lateral perspective. C, redia ex Echinolittorina vidua, Lizard Island; ventral perspective. D, emerged cercaria ex Echinolittorina vidua, Lizard Island; ventral perspective. E, holotype ex Kyphosus cinerascens, Lizard Island; ventral perspective. Scale bars: A, E, 500 µm; B, C, D, 250 µm.
Figure 6 in Gorgocephalidae (Digenea: Lepocreadioidea) in the Indo-West Pacific: new species, life-cycle data and perspectives on species delineation over geographic range
Figure 6. Bayesian majority-rule consensus tree of the concatenated COI + ITS2 + 28S alignment. Bayesian inference (BI) posterior probabilities and maximum likelihood (ML) bootstrap support shown at nodes. A '-' symbol indicates the node was not recovered in ML analysis. The scale-bar indicates the number of substitutions per site.
Figure 11. Gorgocephalus euryaleae. A in Gorgocephalidae (Digenea: Lepocreadioidea) in the Indo-West Pacific: new species, life-cycle data and perspectives on species delineation over geographic range
Figure 11. Gorgocephalus euryaleae. A, paratype ex Kyphosus gladius, Point Peron, Rockingham, Western Australia; lateral perspective. B, genital atrium, cirrus-sac and ovarian complex of separate paratype ex Kyphosus gladius, Point Peron; lateral perspective. C, holotype ex Kyphosus gladius, Point Peron; ventral perspective. Scale bars: A, C, 500 µm; B, 250 µm.
Figure 5 in Gorgocephalidae (Digenea: Lepocreadioidea) in the Indo-West Pacific: new species, life-cycle data and perspectives on species delineation over geographic range
Figure 5. Bayesian majority-rule consensus tree of the 28S rDNA single-gene alignment. Bayesian inference (BI) posterior probabilities and maximum likelihood (ML) bootstrap support shown at nodes. A '-' symbol indicates the node was not recovered in ML analysis. The scale-bar indicates the number of substitutions per site.
Figure 3 in Gorgocephalidae (Digenea: Lepocreadioidea) in the Indo-West Pacific: new species, life-cycle data and perspectives on species delineation over geographic range
Figure 3. Bayesian majority-rule consensus tree of the COI mtDNA single-gene alignment. Bayesian inference (BI) posterior probabilities and maximum likelihood (ML) bootstrap support shown at nodes. A '-' symbol indicates the node was not recovered in ML analysis. The scale-bar indicates the number of substitutions per site.
Figure 2 in Gorgocephalidae (Digenea: Lepocreadioidea) in the Indo-West Pacific: new species, life-cycle data and perspectives on species delineation over geographic range
Figure 2. Principal component analysis (PCA) on morphometric data obtained from adult gorgocephalids from multiple localities in the Indo-West Pacific. Note the clustering pattern indicating only two morphotypes, consistent with the two previously described species from the region.
Figure 12 in Gorgocephalidae (Digenea: Lepocreadioidea) in the Indo-West Pacific: new species, life-cycle data and perspectives on species delineation over geographic range
Figure 12. Gorgocephalus euryaleae and Gorgocephalus graboides, scanning electron micrographs. A, B, oral suckers of adult Gorgocephalus euryaleae ex Kyphosus gladius, Point Peron, Rockingham, Western Australia. C, tegument of adult Gorgocephalus euryaleae, ex Kyphosus gladius, Point Peron. D, E, oral suckers of adult Gorgocephalus graboides ex Kyphosus cinerascens, Lizard Island, Queensland, Australia. F, tegument of adult Gorgocephalus graboides ex Kyphosus cinerascens, Lizard Island. Scale bars: A, E, 40 µm; B, D, 50 µm; C, F, 20 µm.
Data from: Introgression from farmed escapees affects the full life cycle of wild Atlantic salmon
<p>After a half a century of salmon farming, we have yet to understand how the influx of genes from farmed escapees affects the full life history of Atlantic salmon (Salmo salar L.) in the wild. Using scale samples of over 6900 wild adult salmon from 105 rivers, we document that increased farmed genetic ancestry is associated with increased growth throughout life and a younger age at both seaward migration and sexual maturity. There was large among-population variation in the effects of introgression. Most saliently, the increased growth at sea following introgression declined with the population's average growth potential. Variation at two major-effect loci previously shown to be associated with age at maturity was little affected by farmed genetic ancestry and could not explain the observed phenotypic effects of introgression. Our study provides knowledge crucial for redicting the ecological and evolutionary consequences of increased aquaculture production worldwide.</p>
Data from 'Convergent patterns of body size variation in distinct parasite taxa with convergent life cycles'
<p><b>Aim:</b> Interspecific variation among metazoans often follows a latitudinal pattern, with species at higher latitudes being larger-bodied than related species from lower latitudes (Bergmann's rule). For parasitic species, body sizes within any higher taxon often correlate with the body sizes of their hosts (Harrison's rule). Whether temperature-driven latitudinal effects or host-driven resource constraints act independently or additively to shape interspecific variation in parasite body sizes remains unknown. We use a comparative approach to test the effects of latitude and host body size on parasite body sizes in two taxa of parasitic worms showing convergent life cycles.</p> <p><b>Location:</b> Global.</p> <p><b>Time period:</b> Contemporary.</p> <p><b>Major taxa studied:</b> Hairworms (Nematomorpha) and mermithids (Nematoda) parasitic in arthropods.</p> <p><b>Methods:</b> With 223 records for mermithids and 258 for nematomorphs worldwide, we used linear mixed effects models to test the effects of latitude and host body size on parasite length, intraspecific length variation, parasite egg diameter, and variation in egg diameter. Further, we modelled parasite length with local mean annual temperature as predictor instead of latitude, as a direct test of underlying mechanisms. All models took into account host and parasite taxonomic structure within the datasets.</p> <p><b>Results:</b> For both taxa, host body size was clearly the main determinant of parasite body length, with neither latitude nor local temperature (annual mean or range) having an effect. No predictor affected intraspecific length variation, whereas egg diameter was positively associated with parasite length and variation in egg diameter was negatively associated with latitude.</p> <p><b>Main conclusions:</b> Our results support a strong role for host traits in shaping the evolution of parasite body sizes (Harrison's rule), but no role for latitude (Bergmann's rule), even though these parasites infect ectothermic hosts.<span> At a mechanistic level, the evolutionary driving force of external temperature on parasite physiology seems to be eclipsed by the availability of resources from the host.</span></p>
Supporting Information: Environmental benefits of large-scale second-generation bioethanol production in the EU: An integrated supply chain network optimization and Life Cycle Assessment approache
<p>This supporting information provides all input data of the model, the assumptions made and the literature and database references for the publication<em> Environmental benefits of large-scale second-generation bioethanol production in the EU: An integrated supply chain network optimization and Life Cycle Assessment approache</em>. The environmental data is based on life cycle assessments, with full information on the life cycle inventory and the results of the life cycle impact assessment based on the ReCiPe method. It also includes detailed results for all objective functions in all scenarios (optimization of 18 midpoints, 3 endpoints, and economic optimization in 5 tax scenarios and 2 feedstock scenarios), and detailed results of the sensitivity analysis and Pareto optimization.</p>
FIGURES 23–24 in An unknown world in the Neotropical region: a complete life cycle of a new species of Monoclona Mik, 1886 (Diptera: Mycetophilidae: Sciophilinae)
FIGURES 23–24. Monoclona carambeiensis sp. nov., larva, paratype. 23. Ventral view of the larva. 24. View of the larval row of denticles.
FIGURES 27–28 in An unknown world in the Neotropical region: a complete life cycle of a new species of Monoclona Mik, 1886 (Diptera: Mycetophilidae: Sciophilinae)
FIGURES 27–28. Monoclona carambeiensis sp. nov., larva, paratype. 27. Lateral view of the head. 28. Illustration of the ventral view of the head. Abbreviations: e, eye; mx, maxilla; mxp, maxillary plate; pm, premandible.
FIGURES 25–26 in An unknown world in the Neotropical region: a complete life cycle of a new species of Monoclona Mik, 1886 (Diptera: Mycetophilidae: Sciophilinae)
FIGURES 25–26. Monoclona carambeiensis sp. nov., larva, paratype. 25. Lateral view of the head. 26. Ventral view of the head.
FIGURES 15–16 in An unknown world in the Neotropical region: a complete life cycle of a new species of Monoclona Mik, 1886 (Diptera: Mycetophilidae: Sciophilinae)
FIGURES 15–16. Monoclona carambeiensis sp. nov., female, paratype. 15. Habitus, lateral view. 16. Habitus, dorsal view.
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.