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544 results for “life-history”
Figure 1 in Interspecific differences in early life-history traits in crested newts (Triturus cristatus superspecies, Caudata, Salamandridae) from the Balkan Peninsula
Figure 1. Larval growth rate of four Triturus species.
Figure 1 in Fly parasitism in Papuan frogs, with a discussion of ecological factors influencing evolution of life-history differences
Figure 1. Preserved specimen of Rana supragrisea showing enlarged swellings caused by three (two on right side, one on left) infesting larvae of Batrachomyia krausi. Apertures in the skin used to maintain larval access to air are clear on the right; larval respiratory spiracles project from the aperture on left.
Fig. 6 in Life-history of the South American darter, Characidium pterostictum (Crenuchidae): evidence for small scale spatial variation in a piedmont stream
Fig. 6. Seasonal variation of mean condition factor (K) of Characidium pterostictum in the Lajeado river (southern Brazil). PA, upstream site; PB, downstream site. * In PA no specimen was captured in Summer.
Dataset for: Spatial and environmental effects on Coho Salmon life-history trait variation
<p>Adult size, egg mass, fecundity and mass of gonads are affected by trade-offs between reproductive investment and environmental conditions shaping the evolution of life-history traits among populations for widely distributed species. Coho salmon <i>Oncorhynchus kisutch</i> have a large geographic distribution and different environmental conditions are experienced by populations throughout their range. We examined the effect of environmental variables on female size, egg size, fecundity, and reproductive investment of populations of Coho Salmon from across British Columbia using an information theoretic approach. Female size increased with latitude and decreased with migration distance from the ocean to spawning locations. Egg size decreased with average intragravel temperature during incubation, migration distance, in larger rivers, but increased in rivers that were lake headed. Fecundity increased with latitude, warmer temperature during the spawning period, and river size, but decreased in rivers that were lake headed compared to rivers with tributary sources. Gonadal somatic index increased with latitude and decreased with migration distance. Latitude of spawning grounds, migratory distance and temperatures experienced by a population, but also hydrologic features – river size and headwater source – are influential in shaping patterns of reproductive investment, particularly egg size. The lack of an effect of latitude on egg size suggest that local optima for egg size may drive the positive relationship between egg number and latitude – a pattern that is partially off-set by larger female size and gonadal somatic index with latitude.</p>
FIGURE 31 in Identification of early life-history stages of Caribbean Apogon (Perciformes: Apogonidae) through DNA Barcoding
FIGURE 31. Apogon sp. 2, adult, 21.1 mm SL, DNA # SAB 0603030, photograph by J. T. Williams.
FIGURE 21 in Identification of early life-history stages of Caribbean Apogon (Perciformes: Apogonidae) through DNA Barcoding
FIGURE 21. Apogon maculatus, adult, 38.0 mm SL, DNA # BLZ 4170, photograph by L. Weigt.
FIGURE 19 in Identification of early life-history stages of Caribbean Apogon (Perciformes: Apogonidae) through DNA Barcoding
FIGURE 19. Apogon pseudomaculatus, juvenile, 19.0 mm SL, DNA # CUR 8079, photograph by C. Baldwin.
FIGURE 14 in Identification of early life-history stages of Caribbean Apogon (Perciformes: Apogonidae) through DNA Barcoding
FIGURE 14. Apogon lachneri, juvenile, 21.0 mm SL, DNA # BLZ 5265, photograph by J. Mounts.
FIGURE 10 in Identification of early life-history stages of Caribbean Apogon (Perciformes: Apogonidae) through DNA Barcoding
FIGURE 10. Apogon phenax, adult, 32.0 mm SL, DNA # BLZ 5268, photograph by J. Mounts.
FIGURE 9 in Identification of early life-history stages of Caribbean Apogon (Perciformes: Apogonidae) through DNA Barcoding
FIGURE 9. Apogon planifrons, larva, 9.5 mm SL, DNA # BLZ 7126, photograph by J. Mounts.
FIGURE 8 in Identification of early life-history stages of Caribbean Apogon (Perciformes: Apogonidae) through DNA Barcoding
FIGURE 8. Apogon planifrons, adult, 37.0 mm SL, DNA # BLZ 5270, photograph by J. Mounts.
FIGURE 7 in Identification of early life-history stages of Caribbean Apogon (Perciformes: Apogonidae) through DNA Barcoding
FIGURE 7. Apogon sp. 1, larva, 10.0 mm SL, DNA # BLZ 5260, photograph by J. Mounts.
FIGURE 16 in Identification of early life-history stages of Caribbean Apogon (Perciformes: Apogonidae) through DNA Barcoding
FIGURE 16. Apogon townsendi, juvenile, 13.0 mm SL, DNA # BLZ 4542, photograph by L. Weigt.
FIGURE 26 in Identification of early life-history stages of Caribbean Apogon (Perciformes: Apogonidae) through DNA Barcoding
FIGURE 26. Apogon aurolineatus, larva, 8.0 mm SL, DNA # BLZ 5221, photograph by J. Mounts.
FIGURE 34 in Identification of early life-history stages of Caribbean Apogon (Perciformes: Apogonidae) through DNA Barcoding
FIGURE 34. Apogon mosavi, adult, 38.0 mm SL, DNA # BLZ 7131, photograph by J. Mounts.
FIGURE 36 in Identification of early life-history stages of Caribbean Apogon (Perciformes: Apogonidae) through DNA Barcoding
FIGURE 36. Apogon mosavi, larva, 15.0 mm SL, DNA # BLZ 5454, photograph by L. Weigt.
Figure 6 from: Briones-Fourzán P (2014) Differences in life-history and ecological traits between co-occurring Panulirus spiny lobsters (Decapoda, Palinuridae). In: Wehrtmann IS, Bauer RT (Eds) Proceedings of the Summer Meeting of the Crustacean Society and the Latin American Association of Carcinology, Costa Rica, July 2013. ZooKeys 457: 289-311. https://doi.org/10.3897/zookeys.457.6669
Figure 6 - Diet of Panulirus argus and Panulirus guttatus from Puerto Morelos, Mexico. For each food item the index of relative importance (IRI) is estimated as IRI = (% frequency × % weight)/100. (Data from Colinas-Sánchez and Briones-Fourzán 1990).
Figure 3 from: Briones-Fourzán P (2014) Differences in life-history and ecological traits between co-occurring Panulirus spiny lobsters (Decapoda, Palinuridae). In: Wehrtmann IS, Bauer RT (Eds) Proceedings of the Summer Meeting of the Crustacean Society and the Latin American Association of Carcinology, Costa Rica, July 2013. ZooKeys 457: 289-311. https://doi.org/10.3897/zookeys.457.6669
Figure 3 - Diet of Panulirus gracilis and Panulirus inflatus from Zihuatanejo, Mexico. For each food item the index of relative importance (IRI) is estimated as IRI = (% frequency × % weight)/100. (Data from Lozano-Álvarez and Aramoni-Serrano 1996).
Figure 2 from: Briones-Fourzán P (2014) Differences in life-history and ecological traits between co-occurring Panulirus spiny lobsters (Decapoda, Palinuridae). In: Wehrtmann IS, Bauer RT (Eds) Proceedings of the Summer Meeting of the Crustacean Society and the Latin American Association of Carcinology, Costa Rica, July 2013. ZooKeys 457: 289-311. https://doi.org/10.3897/zookeys.457.6669
Figure 2 - Differences in some life-history traits between Panulirus gracilis and Panulirus inflatus from Zihuatanejo, Mexico. A carapace length (CL) distribution (n Panulirus gracilis: 2162, n Panulirus inflatus: 1873) B mean size C growth rate of males (mm CL week–1, n Panulirus gracilis: 148, n Panulirus inflatus: 34) D brood size (number of eggs per clutch) versus CL relationship. Error bars denote 95% confidence intervals. (Data from A, B Briones-Fourzán and Lozano-Álvarez 1992, C Briones-Fourzán and Lozano-Álvarez 2003, D Gracia 1985, Fernández-Lomelín 1992).
Figure 5 from: Briones-Fourzán P (2014) Differences in life-history and ecological traits between co-occurring Panulirus spiny lobsters (Decapoda, Palinuridae). In: Wehrtmann IS, Bauer RT (Eds) Proceedings of the Summer Meeting of the Crustacean Society and the Latin American Association of Carcinology, Costa Rica, July 2013. ZooKeys 457: 289-311. https://doi.org/10.3897/zookeys.457.6669
Figure 5 - Differences in some life-history traits between Panulirus argus and Panulirus guttatus from Puerto Morelos, Mexico. A carapace length (CL) distribution (n Panulirus argus: 717, n Panulirus guttatus: 450) B mean size C growth rate of males (mm CL week–1, n Panulirus argus: 148, n Panulirus guttatus: 57) D brood size (number of eggs per clutch) versus CL relationship. Error bars denote 95% confidence intervals. (Data from A, B Lozano-Álvarez et al. 2007, Briones-Fourzán and Lozano-Álvarez 2013, C Negrete-Soto et al. 2002, D Fonseca-Larios and Briones-Fourzán 1998, Briones-Fourzán and Contreras-Ortiz 1999).
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.