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148 results for “coastal habitats”
Data from: Effects of vicariant barriers, habitat stability, population isolation and environmental features on species divergence in the south-western Australian coastal reptile community
Identifying explicit hypotheses regarding the factors determining genetic structuring within species can be difficult, especially in species distributed in historically dynamic regions. To contend with these challenges, we use a framework that combines species distribution models, environmental data and multi-locus genetic data to generate and explore phylogeographic hypotheses for reptile species occupying the coastal sand-dune and sand-plain habitats of the south-western Australian biodiversity hotspot; a community which has both a high diversity of endemics and has varied dramatically in spatial extent over time. We use hierarchical AMOVA, summary statistic and distance-based analyses to explicitly test specific phylogeographic hypotheses. Namely, we test if biogeographic vicariance across barriers, habitat stability, population isolation along a linear habitat or fragmentation across different environments can explain genetic divergence within five co-distributed squamate reptile species. Our results show that patterns of genetic variation reflect complex and species-specific interactions related to the spatial distribution of habitats present currently and during repeated glacial minima, as opposed to being associated with historical factors such as habitat stability between glacial and inter-glacial periods or vicariant barriers. We suggest that the large impact of habitat characteristics over time (i.e., relative levels of habitat connectivity, climatic gradients and spatial heterogeneity of soil types) reflects the ecological restrictions of the sand-dune and sandplain reptile communities and may explain the lack of concordance across taxa. The study demonstrates the general utility of the approach for assemblage-level, as well as single species, phylogeographic study, including its usefulness for exploring biologically-informed hypotheses about what factors have influenced patterns of genetic variation.
Figure 6 in Mollusk distribution in four habitats along a salinity gradient in a coastal lagoon from the Gulf of Mexico
Figure 6. PCA plot showing relationships between environmental variables and molluscan assemblages from Mecoacan lagoon. Numbers represent sites, black dots = cold fronts season, open triangles = drought season, and black squares = rainy season. Sal: salinity; OD: dissolved oxygen; TDS: turbidity; Temp: temperature.
Figure 4 in Mollusk distribution in four habitats along a salinity gradient in a coastal lagoon from the Gulf of Mexico
Figure 4. MDS plot of bootstrap averages showing variations of molluscan assemblages by habitat. Ellipses denote approximate 95% confidence intervals and black symbols represent averages (av).
Figure 5 in Mollusk distribution in four habitats along a salinity gradient in a coastal lagoon from the Gulf of Mexico
Figure 5. MDS plot of bootstrap averages showing variations of molluscan assemblages by sites nested within a) ARE, b) MAN, c) VAS, and d) RAI. Ellipses denote approximate 95% confidence intervals and black symbols represent averages (av).
Figure 3 in Mollusk distribution in four habitats along a salinity gradient in a coastal lagoon from the Gulf of Mexico
Figure 3. MDS plot of bootstrap averages showing variation in molluscan assemblages by climatic season: cold fronts (triangles), drought (circles) and rainy (diamonds). Ellipses denote approximate 95% confidence intervals and black symbols represent averages (av).
Figure 2 in Mollusk distribution in four habitats along a salinity gradient in a coastal lagoon from the Gulf of Mexico
Figure 2. PCO showing the ordination of water environmental variables from Mecoacan lagoon. Numbers represent sites, black dots = cold fronts season, black squares = drought season, and black triangles = rainy season.
FIGURE 10. Coastal sago swamp habitat 4.2 in A new melanistic species of monitor lizard (Reptilia: Squamata: Varanidae) from Sanana Island, Indonesia
FIGURE 10. Coastal sago swamp habitat 4.2 km N Sanana occupied by Varanus obor sp. n. The monitors forage at ground level around and within palm clumps and piles of dead fronds (Sweet photo).
FIGURE 13 in Four new species of the subterranean amphipod genus Stygobromus (Amphipoda: Crangonyctidae) from shallow groundwater habitats on the Coastal Plain and eastern margin of the Piedmont in Maryland and Virginia, USA
FIGURE 13. Stygobromus foliatus, sp. n. Seep in Pettigrew Wildlife Management Area, 0.5 km SE of Skinkers Corner, Caroline Co..Virginia. Paratype female (8.0 mm): (a, b, c, d, e), pereopods 3, 4 (in part), 5, 6, 7 (in part). Note: pereopods 6 and 7 subequal except coxal plates differ as shown. Coxal gills shown on pereopods 3 and 4. All pereopods and basic gnathopods to same scale.
FIGURE 8 in Four new species of the subterranean amphipod genus Stygobromus (Amphipoda: Crangonyctidae) from shallow groundwater habitats on the Coastal Plain and eastern margin of the Piedmont in Maryland and Virginia, USA
FIGURE 8. Stygobromus paxillus, sp. n. Prettyboy Dam West Spring, Baltimore Co., Maryland. Paratype female (3.0–3.5 mm): (a, b), antennae 1, 2 (accessory flagellum of antennae 1 enlarged); (c) right mandible (spine row, lacinia mobilis and incisor enlarged); (d) left mandible; (e) lower lip; (f) maxilla 1; (g) maxilla 2; (h) maxilliped.All mouthparts drawn to same scale; antennae to smaller scale.
FIGURE 9 in Four new species of the subterranean amphipod genus Stygobromus (Amphipoda: Crangonyctidae) from shallow groundwater habitats on the Coastal Plain and eastern margin of the Piedmont in Maryland and Virginia, USA
FIGURE 9. Stygobromus paxillus, sp. n. Pretty Boy Dam West Spring, Baltimore Co., Maryland.Paratype female (3.0–3.5 mm): (a) gnathopod 1 (palmar spine enlarged); (b) gnathopod 2 (palm and palmar spines enlarged in part). Gnathopods drawn to same scale.
FIGURE 5 in Four new species of the subterranean amphipod genus Stygobromus (Amphipoda: Crangonyctidae) from shallow groundwater habitats on the Coastal Plain and eastern margin of the Piedmont in Maryland and Virginia, USA
FIGURE 5. Stygobromus felleri, sp. n. Funks Pond Spring, Cecil County, Maryland. Paratype male (4.0–4.5 mm): (a, b) antenna 1, antenna 2 (accessory flagellum and aesthetacs of antenna 1 enlarged); (c) left mandible (inner face enlarged); (d) right mandible in part (inner face enlarged); (e) lower lip; (f) maxilla 1; (g) maxilla 2; (h) maxilliped. Antennae drawn to same scale; maxillae 1 & 2 to same scale; maxilliped and lower lip to smaller scale.
FIGURE 4 in Four new species of the subterranean amphipod genus Stygobromus (Amphipoda: Crangonyctidae) from shallow groundwater habitats on the Coastal Plain and eastern margin of the Piedmont in Maryland and Virginia, USA
FIGURE 4. Stygobromus caecilius, sp. n. Belvedere Seepage Woods, Cecil County, Maryland. Holotype specimen (2.0–2.5 mm): (a, b, c, d, e) pereopods 3, 4, 5, 6, 7; (f) bifurcate lateral sternal gill (process); (g) pleonal plates 1, 2, 3; (h) pleopod; (i, j, k.) uropods 1, 2, 3; (l) telson. Pereopods, pleonal plates and bifurcate lateral gill drawn to same scale; all other structures (uropods, pleopod & telson) to larger scale.
FIGURE 1 in Four new species of the subterranean amphipod genus Stygobromus (Amphipoda: Crangonyctidae) from shallow groundwater habitats on the Coastal Plain and eastern margin of the Piedmont in Maryland and Virginia, USA
FIGURE 1. Distribution of four new species of Stygobromus from the Coastal Plain and eastern Piedmont in Maryland and Virginia, United States. The restricted distributions of S. caecilius, S. felleri and S. paxillus. are indicated by single symbols. Stygobromus foliatus is more widely distributed and recorded from multiple locations on opposite sides of the Potomac River in Charles and S. Mary's counties in Maryland, and Caroline, Westmoreland and King & Queen counties in Virginia. Several closely spaced localities in Caroline County are indicated by a single symbol. The curved line through MD and VA marks the approximate boundary between the Coastal Plain to the east and the Piedmont to the west.
FIGURE 7 in Four new species of the subterranean amphipod genus Stygobromus (Amphipoda: Crangonyctidae) from shallow groundwater habitats on the Coastal Plain and eastern margin of the Piedmont in Maryland and Virginia, USA
FIGURE 7. Stygobromus felleri, sp. n. Funks Pond Spring, Cecil County, Maryland. Paratype male (4.0–4.5 mm): (a, b, c, d, e) pereopods 3, 4, 5, 6, 7; (f) lateral sternal gill from pereopod 7; (g) lateral sternal gill from pereopod 6; (h) pleonal plates; (i) pleopod; (j, k, l) uropods 1, 2, 3; (m) telson. Antennae, pereopods 3, 4, 5, 6, 7 and pleonal plates drawn to same scale; gnathopods 1 & 2, pleopod, uropods and telson to larger scale.Maxillae 1 & 2 drawn to larger scale than other mouthparts. Inner faces of molars and palms of gnathopods greatly enlarged.
FIGURE 12 in Four new species of the subterranean amphipod genus Stygobromus (Amphipoda: Crangonyctidae) from shallow groundwater habitats on the Coastal Plain and eastern margin of the Piedmont in Maryland and Virginia, USA
FIGURE 12. Stygobromus foliatus, sp. n. Seep in Pettigrew Wildlife Management Area, 0.5 km SE of Skinkers Corner, Caroline Co..Virginia. Paratype female (8.0 mm): (a) gnathopod 1 (palmar region and rastellate setae greatly enlarged; (b) gnathopod 2 (propodus and rastellate setae greatly enlarged). Basic gnathopods drawn to same scale. Enlargements: gnathopod 1 (4X); gnathopod 2 (2X).
FIGURE 11 in Four new species of the subterranean amphipod genus Stygobromus (Amphipoda: Crangonyctidae) from shallow groundwater habitats on the Coastal Plain and eastern margin of the Piedmont in Maryland and Virginia, USA
FIGURE 11. Stygobromus foliatus, sp. n. Seep in Pettigrew Wildlife Management Area, 0.5 km SE of Skinkers Corner, Caroline Co., Virginia. Paratype female (8.0 mm): (a, b) antennae 1, 2 (aesthetacs on antenna 2 enlarged as indicated); (c) right mandible in part (palp not drawn, similar to left mandible); (d), left mandible; (e) lower lip; (f) maxilla 1; (g) maxilla 2; (h) maxilliped. All mouthparts drawn to same scale; antennae to smaller scale.
FIGURE 10 in Four new species of the subterranean amphipod genus Stygobromus (Amphipoda: Crangonyctidae) from shallow groundwater habitats on the Coastal Plain and eastern margin of the Piedmont in Maryland and Virginia, USA
FIGURE 10. Stygobromus paxillus, sp. n. Pretty Boy Dam West Spring, Baltimore Co., Maryland.Paratype female (3.0–3.5 mm): (a, b, c, d, e) pereopods 3, 4, 5, 6, 7; (f) median sternal gills (processes); (g) pleonal plate; (h, i, j) uropods 1, 2, 3; (k) telson. All pereopods, pleonal plate, uropods 1 & 2 drawn to same scale; uropod 3 and telson to larger scale.
FIGURE 3 in Four new species of the subterranean amphipod genus Stygobromus (Amphipoda: Crangonyctidae) from shallow groundwater habitats on the Coastal Plain and eastern margin of the Piedmont in Maryland and Virginia, USA
FIGURE 3. Stygobromus caecilius, sp. n. Belvedere Seepage Woods, Cecil County, Maryland. Holotype specimen (2.0–2.5 mm: (a) gnathopod 1; (b) gnathopod 2.
FIGURE 2 in Four new species of the subterranean amphipod genus Stygobromus (Amphipoda: Crangonyctidae) from shallow groundwater habitats on the Coastal Plain and eastern margin of the Piedmont in Maryland and Virginia, USA
FIGURE 2. Stygobromus caecilius, sp. n. Belvedere Seepage Woods, Cecil County, Maryland. Holotype specimen (2.0–2.5 mm): (a, b) antenna 1, antenna 2; (c) right mandible; (d) left mandible; (e) lower lip; (f) maxilla 1; (g) maxilliped; (h). Antennae drawn to same scale; other mouthparts to larger scale. Inner face of mandibles enlarged as indicated.
FIGURE 14 in Four new species of the subterranean amphipod genus Stygobromus (Amphipoda: Crangonyctidae) from shallow groundwater habitats on the Coastal Plain and eastern margin of the Piedmont in Maryland and Virginia, USA
FIGURE 14. Stygobromus foliatus, sp. n. Seep in Pettigrew Wildlife Management Area, 0.5 km SE of Skinkers Corner, Caroline Co..Virginia. Paratype female (8.0 mm): (a) leaf-like sternal gills (processes); (b) brood plate; (c) pleonal plates (left to right) 1, 2, 3; (d) uropod 1; (e) uropod 2; (f) uropod 3; (g) telson. Brood plates, sternal gills, uropods 1 and 2 drawn to same scale; uropod 3 and telson to larger scale. Pleonal plates greatly reduced and drawn to much smaller scale than other structures.
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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.