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4,243 results for “seasonality”
Figure 1. from: Bumble Bees (Hymenoptera: Apidae: Bombus spp.) of Interior Alaska: Species Composition, Distribution, Seasonal Biology, and Parasites - Biodiversity Data Journal 3: e5085 (08 May 2015) https://doi.org/10.3897/BDJ.3.e5085
Figure 1. - Mean number and standard errors of B.bifarius, B.frigidus, B.jonellus, and B.occidentalis per trap per 7 day sampling period collected with blue vane traps near Delta Junction, Alaska 2009 and 2010 (see Suppl. materials 1, 2)
Supplementary material 6: Bombus spp trapped in Palmer Alaska, 2010 from: Bumble Bees (Hymenoptera: Apidae: Bombus spp.) of Interior Alaska: Species Composition, Distribution, Seasonal Biology, and Parasites - Biodiversity Data Journal 3: e5085 (08 May 2015) https://doi.org/10.3897/BDJ.3.e5085
764 specimens of fourteen species trapped using Blue Vane pollinator traps with counts of queens, workers, and males by date.
TLS Z+F Imager 5010 point clouds of hybrid poplar trees from short-rotation crops after 5, 6, and 7 growing seasons
<p>The point clouds are obtained from hybrid poplar crops installed in NE Romania, managed in short rotation (SRWCs) between 5, 6, and 7 growing seasons. The crops were planted every spring, outside the growing season, at a depth of 0.6 m in the ground with two clones: AF8 and Pannonia. Rods (2-meter-long cuttings) were used as planting material at a density of 1667 trees per ha (3 x 2 m). The scanning of the sample areas (3 x 10 trees for each variant, about 6 x 10 m) was outside the growing seasons.</p><p>The 3D model was obtained using the Z+F Imager 5010 (Zoller and Fröhlich, Wangen, Germany), phase-shift type, providing a distance estimation accuracy of ±1 mm at 25 m and a nominal range of 187 m, and the tree individualization was done in CloudCompare v.2.12 (public license). A total of six station points and eight fixed targets or remarks (200 mm spheres) for co-registration were adopted for scanning. Trees included in the survey (without leaves) were marked with a ring of adhesive tape (black with yellow, 50 mm wide) at 1.4 m height on the tree spindle to adjust the results for calibration. Individually segmented trees can be sent on request, the database has a limit of 100 files. They can be converted into different formats via the CloudCompare application.</p><p>File code: clone type _ number of growing seasons _ plot number</p>
Data sets and R codes for "It's about her: male within-season movements are related to mate searching in a songbird"
<p><strong>Abstract</strong></p><p>In species with resource-defense mating systems (such as most temperate-breeding songbirds), male dispersal is often considered to be limited in both frequency and spatial extent. When dispersal occurs within a breeding season, the favored explanation is ecological resource tracking. In contrast, movements of male birds associated with temporary emigration, such as polyterritoriality (i.e., defense of an additional location after attracting a female in the initial territory), are usually attributed to mate searching. We suggest that male dispersal and polyterritoriality are functionally related, and that mate searching may be a unifying hypothesis for predicting the within-season movements of male songbirds. Here, we test three key predictions derived from this hypothesis in Wood Warblers <i>Phylloscopus sibilatrix</i>. We collected data on the spatial behavior of 107 males between 2017 and 2019, and related male movements to a new territory (both in a dispersal and polyterritorial context) to mating potential in the current territory. Most males dispersed from their territories within days or weeks after failing to attract a female, despite occupying territories in apparently suitable habitat. Probability of polyterritoriality by paired males increased after the peak fertile period of their mate. Males never dispersed following nest predation if the female remained to renest. Thus, our data are consistent with the hypothesis that both movement types are functionally related to mate searching.</p>
Data from: Spatial and seasonal variation in thermal sensitivity within North American bird species
<p>Responses of wildlife to climate change are typically quantified at the species level, but physiological evidence suggests significant intraspecific variation in thermal sensitivity given adaptation to local environments and plasticity required to adjust to seasonal environments. Spatial and temporal variation in thermal responses may carry important implications for climate change vulnerability; for instance, sensitivity to extreme weather may increase in specific regions or seasons. Here, we leverage high-resolution observational data from eBird to understand regional and seasonal variation in thermal sensitivity for 20 bird species. Across their ranges, most birds demonstrated regional and seasonal variation in both thermal peak and range, or the temperature and range of temperatures of greatest occurrence. Some birds demonstrated constant thermal peaks or ranges across their geographic distributions and while others varied according to local and current environmental conditions. Across species, birds typically invested in either geographic or seasonal adaptation to climate. Local adaptation and phenotypic plasticity are likely important but neglected aspects of organismal responses to climate change.</p>
FIGURE 7 in Hodgson, C. et al. (2008) Phenacoccus solenopsis Tinsley (Sternorrhyncha: Coccoidea: Pseudococci- dae), an invasive mealybug damaging cotton in Pakistan and India, with a discussion on seasonal morphological variation. Zootaxa, 1913, 1-35.
FIGURE 7. First-instar nymph of Phenacoccus solenopsis Tinsley from Pakistan and India. Labels as in Fig. 1.
Elevational and seasonal patterns of plant pollinator networks in two highland tropical ecosystems in Costa Rica
<p>Plant pollinator interaction matrices used to construct plant-pollinator interaction networks in two highland tropical ecosystems in Costa Rica. Numbers in matrices indicates the number of interactions recorded. The names of the files indicates the collect site (MF: Montane Forest; PAR= Paramo) and the season of the year (Dry and Rainy seasons, respectively).</p>
FIGURE 10 in A new collared lizard (Tropidurus: Tropiduridae) endemic to the Western Bolivian Andes and its implications for seasonally dry tropical forests
FIGURE 10. Scatterplots of PC1 and PC2 generated by the principal component analyses and LD1 and LD2 generated by the linear discriminant analyses performed on meristic variables (scale counts). See table 7 for corresponding summary statistics. Figure color-coded following species labels in figure 11.
FIGURE 8 in A new collared lizard (Tropidurus: Tropiduridae) endemic to the Western Bolivian Andes and its implications for seasonally dry tropical forests
FIGURE 8. Boxplots showing variation in scale counts among Tropidurus chromatops, T. etheridgei, and T. azurduyae.
FIGURE 7 in A new collared lizard (Tropidurus: Tropiduridae) endemic to the Western Bolivian Andes and its implications for seasonally dry tropical forests
FIGURE 7. Scatterplots of PC1 and PC2 generated by the principal component analyses and LD1 and LD2 generated by the linear discriminant analyses performed on morphometric variables. See table 4 for corresponding summary statistics. Figure color-coded following species labels in figure 11.
FIGURE 6 in A new collared lizard (Tropidurus: Tropiduridae) endemic to the Western Bolivian Andes and its implications for seasonally dry tropical forests
FIGURE 6. Live specimens of Tropidurus chromatops Harvey and Gutberlet, 1998 from isolated granitic outcrops ~30 km W Florida, Santa Cruz, Bolivia (14° 36′ 17.28″ S, 61° 29′ 32.64″ W — WGS84 system; ~309 m). A, C, Adult female (MHNC-R 3003). B, D, Adult male (MHNC-R 3018).
FIGURE 5 in A new collared lizard (Tropidurus: Tropiduridae) endemic to the Western Bolivian Andes and its implications for seasonally dry tropical forests
FIGURE 5. Adult male of Tropidurus chromatops Harvey and Gutberlet, 1998 (MHNC-R 3018), illustrating the expanded lateral neck mite pockets and the colorful facial mask with touches of blue and cream, characteristic of the species.
FIGURE 4 in A new collared lizard (Tropidurus: Tropiduridae) endemic to the Western Bolivian Andes and its implications for seasonally dry tropical forests
FIGURE 4. Preserved holotype of Tropidurus azurduyae (adult male, MHNC-R 3011). A, Dorsal head. B, Ventral head. C, Lateral head. D, Ventral body. E, Lateral body. F, Dorsal body.
FIGURE 3 in A new collared lizard (Tropidurus: Tropiduridae) endemic to the Western Bolivian Andes and its implications for seasonally dry tropical forests
FIGURE 3. Live specimens of Tropidurus etheridgei Cei, 1982 and T. azurduyae. A, C, Adult male of T. etheridgei (AMNH-R 176273) from Orloff, Colonia 15, Filadelfia, Boquerón, Paraguay (22° 19′ 58.42″ S, 59° 55′ 00.02″ W — WGS84 system; ~136 m). B, D, Adult female of T. etheridgei (AMNH-R 176277) from Estancia Esmeraldas, Boquerón, Paraguay (20° 59′ 15.81″ S 61° 59′ 27.90″ W — WGS84 system; ~329 m). E, G, Adult female (allotype MHNC-R 3009) of T. azurduyae. F, H, Adult male (holotype MHNC-R 3011) of T. azurduyae.
FIGURE 1 in A new collared lizard (Tropidurus: Tropiduridae) endemic to the Western Bolivian Andes and its implications for seasonally dry tropical forests
FIGURE 1. Habitats visited in the Torotoro National Park, Potosí, Bolivia. A–D, Prepuna (18° 7′ 10.92″ S, 65° 48′ 30.24″ W — WGS84 system; ~2798 m). E–G, Inter-Andean dry valleys at the type locality of Tropidurus azurduyae (18° 5′ 54.24″ S, 65° 44′ 57.48″ W — WGS84 system; ~2264 m). H, Adult male of T. azurduyae, sighted (not collected) at the type locality of the species.
Figure 11 in Monophyly and taxonomy of the Neotropical seasonal killifish genus Leptolebias (Teleostei: Aplocheiloidei: Rivulidae), with the description of a new genus
Figure 11. Notholebias minimus, male, not preserved, about 20-mm standard length (1 day after collection); Brazil, Estado do Rio de Janeiro, Seropédica (photo by W. J. E. M. Costa).
Figure 8. Leptolebias itanhaensis, UFRJ 6453 in Monophyly and taxonomy of the Neotropical seasonal killifish genus Leptolebias (Teleostei: Aplocheiloidei: Rivulidae), with the description of a new genus
Figure 8. Leptolebias itanhaensis, UFRJ 6453, male, holotype, 20.7-mm standard length (some hours after collection); Brazil, Estado de São Paulo, Itanhaém (photo by W. J. E. M. Costa).
Figure 7. Leptolebias aureoguttatus, UFRJ 6331 in Monophyly and taxonomy of the Neotropical seasonal killifish genus Leptolebias (Teleostei: Aplocheiloidei: Rivulidae), with the description of a new genus
Figure 7. Leptolebias aureoguttatus, UFRJ 6331, female, 16.5-mm standard length (some hours after collection); Brazil, Estado do Paraná, Praia de Leste (photo by W. J. E. M. Costa).
Figure 4 in Monophyly and taxonomy of the Neotropical seasonal killifish genus Leptolebias (Teleostei: Aplocheiloidei: Rivulidae), with the description of a new genus
Figure 4. Geographical distribution of Leptolebias in São Paulo and Paraná states, southern Brazil: L. aureoguttatus (•) and L. itanhaensis (Ɨ).
Figure 3 in Monophyly and taxonomy of the Neotropical seasonal killifish genus Leptolebias (Teleostei: Aplocheiloidei: Rivulidae), with the description of a new genus
Figure 3. Osteological features in Leptolebias and Notholebias: A, medial portion of hyoid and branchial skeleton, dorsal view, of Leptolebias citrinipinnis. B, medial portion of hyoid and branchial skeleton, dorsal view, of Notholebias fractifasciatus. C, anguloarticular region, left side, lateral view, of L. citrinipinnis. D, jaw suspensorium, left side, lateral view, of N. fractifasciatus. Abbreviations: AA, anguloarticular; B1–B3, basibranchials 1–3; BB, basibranchial cartilage; BC, basihyal cartilage; BH, basihyal; H1–H3, hypobranchials 1–3; HY, hyomandibula; MS, mesopterygoid; MT, metapterygoid; PL, autopalatine; PO, preopercle; QU, quadrate; RA, retroarticular; SY, sympletic. Larger stippling indicates cartilage. Scale bar: 1 mm.
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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.