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411 results for “spatial variation”
Figure 2 from: Hammond HEJ, García-Tejero S, Pohl GR, Langor DW, Spence JR (2021) Spatial and temporal variation of epigaeic beetle assemblages (Coleoptera, Carabidae, Staphylinidae) in aspen-dominated mixedwood forests across north-central Alberta. In: Spence J, Casale A, Assmann T, Liebherr JК, Penev L (Eds) Systematic Zoology and Biodiversity Science: A tribute to Terry Erwin (1940-2020). ZooKeys 1044: 951-991. https://doi.org/10.3897/zookeys.1044.65776
Figure 2 Boxplot of the standardized catch of epigaeic beetles at seven locations in aspen-dominated mixedwood forests in north-central Alberta, 1992–93. Locations are distributed across four Natural Subregions (SR) and two Natural Regions (NR) ACarabidaeBStaphylinidae. Locations with the same letter situated above the bar are not significantly different at α = 0.05 (post hoc Tukey's tests). For locations where there was significant interannual variation, the results are indicated above the bar for that location.
Figure 11 from: Hammond HEJ, García-Tejero S, Pohl GR, Langor DW, Spence JR (2021) Spatial and temporal variation of epigaeic beetle assemblages (Coleoptera, Carabidae, Staphylinidae) in aspen-dominated mixedwood forests across north-central Alberta. In: Spence J, Casale A, Assmann T, Liebherr JК, Penev L (Eds) Systematic Zoology and Biodiversity Science: A tribute to Terry Erwin (1940-2020). ZooKeys 1044: 951-991. https://doi.org/10.3897/zookeys.1044.65776
Figure 11 Principal components analysis of epigaeic beetle assemblages in aspen-dominated mixedwood forests in north-central Alberta, 1992–93 ACarabidae, 1992 BCarabidae, 1993 CStaphylinidae, 1992 DStaphylinidae, 1993. Each point represents the catch from a single pitfall trap. Ellipses represent the standard deviation around the centroid of points in each group.
Figure 10 from: Hammond HEJ, García-Tejero S, Pohl GR, Langor DW, Spence JR (2021) Spatial and temporal variation of epigaeic beetle assemblages (Coleoptera, Carabidae, Staphylinidae) in aspen-dominated mixedwood forests across north-central Alberta. In: Spence J, Casale A, Assmann T, Liebherr JК, Penev L (Eds) Systematic Zoology and Biodiversity Science: A tribute to Terry Erwin (1940-2020). ZooKeys 1044: 951-991. https://doi.org/10.3897/zookeys.1044.65776
Figure 10 Adjusted percentage of variance of species composition in the Lac la Biche dataset explained at each spatial scale – between locations, between lines in the same location and between traps in the same line ACarabidaeBStaphylinidae.
Figure 1 from: Hammond HEJ, García-Tejero S, Pohl GR, Langor DW, Spence JR (2021) Spatial and temporal variation of epigaeic beetle assemblages (Coleoptera, Carabidae, Staphylinidae) in aspen-dominated mixedwood forests across north-central Alberta. In: Spence J, Casale A, Assmann T, Liebherr JК, Penev L (Eds) Systematic Zoology and Biodiversity Science: A tribute to Terry Erwin (1940-2020). ZooKeys 1044: 951-991. https://doi.org/10.3897/zookeys.1044.65776
Figure 1 Location of aspen-dominated mixedwood study sites sampled in north-central Alberta, 1992 and 1993. INSET: location of individual pitfall trap lines at Lac la Biche, with lines used in the regional dataset surrounded with box.
Fig. 1 in Spatial, seasonal and ontogenetic variation in the diet of Astyanax aff. fasciatus (Ostariophysi: Characidae) in an Atlantic Forest river, Southern Brazil
Fig. 1. Monthly average precipitation and temperature for the rio das Pedras region, Guarapuava, PR, Brazil. (Data refer to the period of January 1976 to December 2000). Source: SIMEPAR.
Fig. 7 in Spatial, seasonal and ontogenetic variation in the diet of Astyanax aff. fasciatus (Ostariophysi: Characidae) in an Atlantic Forest river, Southern Brazil
Fig. 7. Mean ± S.D. Intestinal quotient (I q) of the three established standard length classes for Astyanax aff. fasciatus at two sites on the rio das Pedras. (SL1: <50 mm; SL2: 51-75 mm and SL3:> 76 mm).
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>
Data from: Spatial and spatiotemporal variation in metapopulation structure affects population dynamics in a passively dispersing arthropod
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Data from: Temporal variation in habitat selection breaks the catch-22 of spatially contrasting predation risk from multiple predators
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Data from: Species’ range dynamics affect the evolution of spatial variation in plasticity under environmental change
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Data from: Spatially structured intraspecific trait variation can foster biodiversity in disturbed, heterogeneous environments
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Data from: Spatial variation in Allee effects influences patterns of range expansion
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Spatial variation in antler investment of Apennine red deer
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Data from: Evolution of transmission mode in conditional mutualisms with spatial variation in symbiont quality
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Spatial and temporal genetic variation in Ethiopian barley (Hordeum vulgare L.) landraces as revealed by simple sequence repeat (SSR) markers
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Data from: Habitat-related variation in the plasticity of a UV sensitive photoreceptor over a small spatial scale in the palmate newt
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Spatial predictors of genomic and phenotypic variation differ in a lowland Middle American bird (Icterus gularis)
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Data from: Population genomic analysis suggests strong influence of river network on spatial distribution of genetic variation in invasive saltcedar across the southwestern US
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Data from: How spatial variation in areal extent and configuration of labile vegetation states affect the riparian bird community in Arctic tundra
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Allen Brain Atlas
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DANDI Archive for NWB datasets
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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.