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172 results for “Intraspecific variability”
FIGURE 10 in The intraspecific morphological variability of Styloperla Wu, 1935 (Plecoptera: Styloperlidae)
FIGURE 10. Styloperla wui from Anhui, terminalia of adult, dorsal and ventral view. A–B: male; C–D: female.
FIGURE 13 in The intraspecific morphological variability of Styloperla Wu, 1935 (Plecoptera: Styloperlidae)
FIGURE 13. The distribution of Styloperla in China. The doubtful distributions in Zhejiang Province are marked by "?".
FIGURE 5 in The intraspecific morphological variability of Styloperla Wu, 1935 (Plecoptera: Styloperlidae)
FIGURE 5. Styloperla spinicercia from Guangxi (Longsheng), male cercus from different individuals with asymmetrical cercal processes.
FIGURE 2 in The intraspecific morphological variability of Styloperla Wu, 1935 (Plecoptera: Styloperlidae)
FIGURE 2. Styloperla inae from Fujian, terminalia of adult, dorsal and ventral view. A–B: male; C–D: female.
FIGURE 12 in The intraspecific morphological variability of Styloperla Wu, 1935 (Plecoptera: Styloperlidae)
FIGURE 12. Aedeagus of Styloperla, dorsal view. A: S. inae from Fujian, B: S. spinicercia from Guangxi; C: S. starki from Zhejiang; D: S. wui from Anhui.
FIGURE 7 in The intraspecific morphological variability of Styloperla Wu, 1935 (Plecoptera: Styloperlidae)
FIGURE 7. Styloperla starki from Zhejiang (Hangzhou, Taihuyuan), male right cercus from different individuals. A–B: basal cercal segment with two apical spines (side by side) and three subapical spines; C–D: basal cercal segment with two apical spines arranged in tandem.
FIGURE 11 in The intraspecific morphological variability of Styloperla Wu, 1935 (Plecoptera: Styloperlidae)
FIGURE 11. Styloperla wui from Anhui (A–C) and Fujian (D), male right cercus from different individuals.
FIGURE 8 in The intraspecific morphological variability of Styloperla Wu, 1935 (Plecoptera: Styloperlidae)
FIGURE 8. Styloperla starki from Zhejiang, male cercus with three small teeth at one side. A–B: male from Quzhou (Qianjiangyuan); C–D: male from Taizhou (Danzhu).
Data from: Geographic scale and disturbance influence intraspecific trait variability in leaves and roots of North American understory plants
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Data from: Latitudinal variation in ecological opportunity and intraspecific competition indicates differences in niche variability and diet specialization of Arctic marine predators
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Data from: Sampling intraspecific variability in leaf functional traits: practical suggestions to maximize collected information
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Data from: Intraspecific variability and reaction norms of forest understory plant species traits
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Data from: Disentangling the relative importance of species occurrence, abundance and intraspecific variability in community assembly: a trait-based approach at the whole-plant level in Mediterranean forests
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Within-individual trophic variability drives short-term intraspecific trait variation in natural populations
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Data from: Intraspecific niche models for ponderosa pine (Pinus ponderosa) suggest potential variability in population-level response to climate change.
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Data from: Intraspecific variability through ontogeny in early ammonoids
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Data from: Intraspecific and interspecific trait variability in tadpole metacommunities from the Brazilian Atlantic rainforest
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Data from:Intraspecific variability improves environmental matching, but does not increase ecological breadth along a wet-to-dry ecotone
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Data from: Temporal intraspecific trait variability drives responses of functional diversity to inter-annual aridity variation in grasslands
Inter-annual climate variation alters functional diversity through intraspecific trait variability and species turnover. We examined these diversity elements in three types of grasslands in Northern China, including two temperate steppes and an alpine meadow. We evaluated the differences in community-weighted means (CWM) of plant traits and functional dispersion (FDis) between two years with contrasting aridity in the growing season. Four traits were measured: specific leaf area (SLA), leaf dry matter content (LDMC), leaf nitrogen concentration (LNC) and the maximum plant height (H). CWM for SLA of the alpine meadow increased in the dry year while that of the temperate steppe in Qinghai showed opposing trends. CWM of LDMC in two temperate steppes became higher and CWM of LNC in all grasslands became lower in the dry year. Compared with the wet year, FDis of LDMC in the alpine meadow and FDis of LNC in the temperate steppe in Qinghai decreased in the dry year. FDis of H was higher in the dry year for two temperate steppes. Only in the temperate steppe in Qinghai did the multi-FDis of all traits experience a significant increase in the dry year. Most of the changes in CWM and FDis between two years were explained by intraspecific trait variation rather than shifts in species composition. This study highlights that temporal intraspecific trait variation contributes to functional responses to environmental changes. Our results also suggest it would be necessary to consider habitat types when modelling ecosystem responses to climate changes, as different grasslands showed different response patterns.
Data from: The good, the bad, and the ugly: the influence of skull reconstructions and intraspecific variability in studies of cranial morphometrics in theropods and basal saurischians
Several studies investigating macroevolutionary skull shape variation in fossil reptiles were published recently, often using skull reconstructions taken from the scientific literature. However, this approach could be potentially problematic, because skull reconstructions might differ notably due to incompleteness and/or deformation of the material. Furthermore, the influence of intraspecific variation has usually not been explored in these studies. Both points could influence the results of morphometric analyses by affecting the relative position of species to each other within the morphospace. The aim of the current study is to investigate the variation in morphometric data between skull reconstructions based on the same specimen, and to compare the results to shape variation occurring in skull reconstructions based on different specimens of the same species (intraspecific variation) and skulls of closely related species (intraspecific variation). Based on the current results, shape variation of different skull reconstructions based on the same specimen seems to have generally little influence on the results of a geometric morphometric analysis, although it cannot be excluded that some erroneous reconstructions of poorly preserved specimens might cause problems occasionally. In contrast, for different specimens of the same species the variation is generally higher than between different reconstructions based on the same specimen. For closely related species, at least with similar ecological preferences in respect to the dietary spectrum, the degree of interspecific variation can overlap with that of intraspecific variation, most probably due to similar biomechanical constraints.
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