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136 results for “Mid-Atlantic”
Data from: Patterns of biodiverse, understudied groups do not mirror those of the surrogate groups that set conservation priorities: a case study from the Mid-Atlantic Coastal Plain of eastern North America
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Data related to: The recurring role of storm disturbance on black sea bass (Centropristis striata) movement behaviors in the Mid-Atlantic Bight
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Comparative migration ecology of striped bass and Atlantic sturgeon in the US Southern Mid-Atlantic Bight flyway
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Optimum seeding rate for biomass sorghum in response to harvesting and planting dates in the Mid-Atlantic regions
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FIGURE 1. Pandanipora fragilis n in Pandanipora fragilis-a new deep-water cyclostome bryozoan from the subequatorial Mid-Atlantic Ridge, Atlantic Ocean, and a review of Pandanipora worldwide
FIGURE 1. Pandanipora fragilis n. sp. Holotype, ZIRAS 1/50732. A. Light photomicrograph of colony fragment. B, D, E, H. General views of the first (B, E) and second (D, H) colony fragments, showing successively arranged zooids with no overlap. C. Lateral view of a tubular peristome. F. Single elongate prop from its inception in the zooid basal wall to the point of breakage. G. Enlargement of a prop, showing the slit-like pseudopores and axially embedded crystallites. I. Zooids at the point of colony bifurcation. J. Growing edge of the colony, showing the initial step of differentiation of a daughter zooid (lower) from the floor of the parent zooid (upper). K. Same, enlargement. L. Colony area at the point of bifurcation and new zooid differentiation. M. External zooidal wall, with pseudopores lacking. N. Floor of an autozooid, showing the communication pores between zooids. O. Oblique view of a peristomial aperture, showing the imbricated, foliated fabric of wedge-shaped crystallites. P. Enlargement of L, showing the different crystallite structures on the external and internal zooidal surfaces. Q. Enlargement of an external zooidal wall, showing the crystallites. R. Enlargement of the internal wall of a peristome, with an imbricated, foliated fabric of wedge-shaped crystallites having irregular margins. Scale bars: A, H, I, 250 μm; B, D, E, 500 μm; C, K, M, N, O, 50 μm; F, J, L, 100 μm; G, P, 25 μm; Q, 15 μm; R, 10 μm.
Data from: Population genomics reveals seahorses (Hippocampus erectus) of the western mid-Atlantic coast to be residents rather than vagrants
Understanding population structure and areas of demographic persistence and transients is critical for effective species management. However, direct observational evidence to address the geographic scale and delineation of ephemeral or persistent populations for many marine fishes is limited. The Lined seahorse (Hippocampus erectus) can be commonly found in three western Atlantic zoogeographic provinces, though inhabitants of the temperate northern Virginia Province are often considered tropical vagrants that only arrive during warm seasons from the southern provinces and perish as temperatures decline. Although genetics can locate regions of historical population persistence and isolation, previous evidence of Virginia Province persistence is only provisional due to limited genetic sampling (i.e., mitochondrial DNA and five nuclear loci). To test alternative hypotheses of historical persistence versus the ephemerality of a northern Virginia Province population we used a RADseq generated dataset consisting of 11,708 single nucleotide polymorphisms (SNP) sampled from individuals collected from the eastern Gulf of Mexico to Long Island, NY. Concordant results from genomic analyses all infer three genetically divergent subpopulations, and strongly support Virginia Province inhabitants as a genetically diverged and a historically persistent ancestral gene pool. These results suggest that individuals that emerge in coastal areas during the warm season can be considered "local" and supports offshore migration during the colder months. This research demonstrates how a large number of genes sampled across a geographical range can capture the diversity of coalescent histories (across loci) while inferring population history. Moreover, these results clearly demonstrate the utility of population genomic data to infer peripheral subpopulation persistence in difficult-to-observe species.
Data from: Habitat risk assessment for regional ocean planning in the U.S. Northeast and Mid-Atlantic
Coastal habitats provide important benefits to people, including habitat for species targeted by fisheries and opportunities for tourism and recreation. Yet, such human activities also can imperil these habitats and undermine the ecosystem services they provide to people. Cumulative risk assessment provides an analytical framework for synthesizing the influence of multiple stressors across habitats and decision-support for balancing human uses and ecosystem health. To explore cumulative risk to habitats in the U.S. Northeast and Mid-Atlantic Ocean Planning regions, we apply the open-source InVEST Habitat Risk Assessment model to 13 habitats and 31 stressors in an exposure-consequence framework. In doing so, we advance the science priorities of EBM and both regional planning bodies by synthesizing the wealth of available data to improve our understanding of human uses and how they affect marine resources. We find that risk to ecosystems is greatest first, along the coast, where a large number of stressors occur in close proximity and secondly, along the continental shelf, where fewer, higher consequence activities occur. Habitats at greatest risk include soft and hard-bottom nearshore areas, tidal flats, soft-bottom shelf habitat, and rocky intertidal zones—with the degree of risk varying spatially. Across all habitats, our results indicate that rising sea surface temperatures, commercial fishing, and shipping consistently and disproportionally contribute to risk. Further, our findings suggest that management in the nearshore will require simultaneously addressing the temporal and spatial overlap as well as intensity of multiple human activities and that management in the offshore requires more targeted efforts to reduce exposure from specific threats. We offer a transparent, generalizable approach to evaluating cumulative risk to multiple habitats and illustrate the spatially heterogeneous nature of impacts along the eastern Atlantic coast and the importance of spatial scale in estimating such impacts. These results offer a valuable decision-support tool by helping to constrain the decision space, focus attention on habitats and locations at the greatest risk, and highlight effect management strategies.
Data from: A review of the lichens of the Dare Regional Biodiversity Hotspot in the Mid-Atlantic Coastal Plain of North Carolina, eastern North America
The results of a large-scale biodiversity inventory of lichens (including lichenicolous and allied fungi) in the Dare Regional Biodiversity Hotspot (DRBH) are presented. The DRBH is a region within the Mid-Atlantic Coastal Plain (MACP) of eastern North America that was recently delineated based on its unique and diverse lichen communities relative to other areas of the Atlantic Coast. Drawing on 4,952 newly generated voucher specimens from 49 sites, patterns of biodiversity and biogeography are presented and discussed within the context of both the DRBH and the broader MACP. Relationships between natural communities, vegetation, and lichen communities are discussed, as are threats to the lichen biota. A series of conservation actions are presented together with avenues for future study. In addition, supplementary resources are provided in the form of: (a) a checklist of DRBH lichens, lichenicolous fungi, and allied fungi; (b) keys to DRBH lichens and lichenicolous and allied fungi; and (c) formal descriptions of the following species new to science that were discovered during the inventory: Albemarlea pamlicoensis gen. et. sp. nov., Arthonia agelastica sp. nov. (on Lecanora louisianae B. de Lesd.), Arthonia hodgesii sp. nov. (on Graphis lineola), Arthonia stevensoniana sp. nov. (on Haematomma accolens), Lichenochora haematommatum sp. nov. (on Haematomma persoonii), Megalaria alligatorensis sp. nov., Minutoexcipula miniatoexcipula sp. nov. (on Pertusaria epixantha), Trichosphaerella buckii sp. nov. (on Punctelia rudecta).
FIGURE 2 in A new vent shrimp (Crustacea: Decapoda: Alvinocarididae) from the Mid-Atlantic Ridge *
FIGURE 2. Opaepele vavilovi nov. sp. Holotype female (cl 8.1 mm): A, second maxilliped; B, third maxilliped; C, first pereopod; D, second pereopod; E, third pereopod; F, third pereopod, dactylus and distal part of propodus; G, fourth pereopod; H, appendix masculina and appendix interna. Scale bars = 1 mm.
FIGURE 1 in A new vent shrimp (Crustacea: Decapoda: Alvinocarididae) from the Mid-Atlantic Ridge *
FIGURE 1. Opaepele vavilovi nov. sp. Holotype female (cl 8.1 mm): A, rostrum, lateral view; B, carapace and cephalic appendages, lateral view; C, anterior part of carapace and cephalic appendages, dorsal view; D, abdominal somites, lateral view; E, telson. Scale bars = 1 mm.
FIGURE 12. Gnathophausia scapularis Ortmann, 1906. A, ventral view B in A taxonomical review of the Gnathophausia (Crustacea, Lophogastrida), with new records from the northern mid-Atlantic ridge
FIGURE 12. Gnathophausia scapularis Ortmann, 1906. A, ventral view B, dorsal view (from Tattersall 1939: figs 1–2).
FIGURE 9. Gnathophausia bergstadi n in A taxonomical review of the Gnathophausia (Crustacea, Lophogastrida), with new records from the northern mid-Atlantic ridge
FIGURE 9. Gnathophausia bergstadi n.sp.A–B: allotype (adult female, 5,5 cm), C–E: paratype from type locality (adult male, 4,0 cm). A, lateral view; B, dorsal view; C, antenna; D, maxillule; E, maxilla.
FIGURE 1 in A taxonomical review of the Gnathophausia (Crustacea, Lophogastrida), with new records from the northern mid-Atlantic ridge
FIGURE 1. Gnathophausia gigas Willemoes-Suhm, 1873. A, adult female (lateral view); B, adult male, (dorsal view); C, right antenna (ventral view); D, sixth abdominal somite (ventral view); E, apex of telson (dorsal view) (from G.O. Sars 1885, pl. III: figs 1,2,4,6).
FIGURE 4. Gnathophausia affinis G.O. Sars 1883 in A taxonomical review of the Gnathophausia (Crustacea, Lophogastrida), with new records from the northern mid-Atlantic ridge
FIGURE 4. Gnathophausia affinis G.O. Sars 1883. Adult female: A, lateral view; B, dorsal view; C, antenna (ventral view); D, telson and right uropod (dorsal view) (from G.O. Sars 1885: pl. V, figs 7–10).
FIGURE 6. Gnathophausia longispina G.O. Sars, 1883. Adult male A in A taxonomical review of the Gnathophausia (Crustacea, Lophogastrida), with new records from the northern mid-Atlantic ridge
FIGURE 6. Gnathophausia longispina G.O. Sars, 1883. Adult male A, lateral view; B, dorsal view; C, antenna D, telson (from G.O. Sars 1885: pl. VII, figs. 1–4).
FIGURE 3 in A taxonomical review of the Gnathophausia (Crustacea, Lophogastrida), with new records from the northern mid-Atlantic ridge
FIGURE 3. Gnathophausia gracilis Willemoes-Suhm, 1875. Adult male: A, lateral view; B, dorsal view; C, antenna (with scale and proximal part of flagellum); D, telson and uropod (dorsal view); E, apex of telson (from G.O. Sars 1885: pl. VII, figs. 6–10).
FIGURE 11. Gnathophausia zoea Willemoes-Suhm 1873 in A taxonomical review of the Gnathophausia (Crustacea, Lophogastrida), with new records from the northern mid-Atlantic ridge
FIGURE 11. Gnathophausia zoea Willemoes-Suhm 1873. Adult female: A, lateral view; B, dorsal view; C, antenna (ventral view); D, telson and right uropod (dorsal view) (from G.O. Sars 1885: pl. VI, figs 6–10).
FIGURE 8. Gnathophausia fagei Casanova, 1996. A in A taxonomical review of the Gnathophausia (Crustacea, Lophogastrida), with new records from the northern mid-Atlantic ridge
FIGURE 8. Gnathophausia fagei Casanova, 1996. A, carapace, lateral view; B, abdominal somite six; C, telson.
FIGURE 7. Gnathophausia elegans G.O. Sars, 1883. Adult female. A in A taxonomical review of the Gnathophausia (Crustacea, Lophogastrida), with new records from the northern mid-Atlantic ridge
FIGURE 7. Gnathophausia elegans G.O. Sars, 1883. Adult female. A, lateral view; B, dorsal view; C, antenna; D, telson (dorsal view); E, apex of telson (from G.O. Sars 1885: pl. VI, figs. 1–5).
FIGURE 2 in A taxonomical review of the Gnathophausia (Crustacea, Lophogastrida), with new records from the northern mid-Atlantic ridge
FIGURE 2. Gnathophausia ingens (Dohrn, 1870). A, adult female (lateral view); B, adult female (dorsal view); C, antennal scale and proximal part of flagellum; D, posterior abdominal somites with basal part of uropods (ventral view); E, telson and uropods (from G.O. Sars 1885, Pl. II: figs. 1,2,4,6,7).
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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.