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136 results for “Mid-Atlantic”
Figure 2 in Stenothoidae (Crustacea: Amphipoda) of hydrothermal vents and surroundings on the Mid-Atlantic Ridge, Azores Triple Junction zone
Figure 2. Torometopa saldanhae, ATOS, PL115-13. (1–8) Holotype male and paratype female: (1) pereiopod 4; (2) pereiopod 5; (3) pereiopod 6; (4) pereiopod 7; (5) uropod 1; (6) uropod 2; (7) uropod 3; (8) telson. (9, 10) Paratype female: (9) gnathopod 1; (10) gnathopod 2. Scale bars: 100 mm.
Figure 4. Stenothoe divae, DIVA 1 in Stenothoidae (Crustacea: Amphipoda) of hydrothermal vents and surroundings on the Mid-Atlantic Ridge, Azores Triple Junction zone
Figure 4. Stenothoe divae, DIVA 1, DV11-5, holotype male. (1) Mandible; (2) maxilla 1; (3) maxilla 2; (4) maxilliped; (5) pereiopod 4; (6) pereiopod 5; (7) pereiopod 7; (8) pereiopod 6; (9) uropod 1; (10) uropod 2; (11) uropod 3; (12) telson. Scale bars: 100 mm.
FIG. 6. — Heptnerina confusa n. gen., n in A new genus and species of deep-sea cyclopoid (Crustacea, Copepoda, Cyclopinidae) from the Mid-Atlantic Ridge (Azores Triple Junction, Lucky Strike)
FIG. 6. — Heptnerina confusa n. gen., n. sp.,; A, holotype, leg 4; B, holotype, endopod of leg 4; C, holotype, leg 5 with endopod arrowed; D, paratype, leg 5. Scale bars: 0.05 mm.
FIG. 7. — Heptnerina confusa n. gen., n in A new genus and species of deep-sea cyclopoid (Crustacea, Copepoda, Cyclopinidae) from the Mid-Atlantic Ridge (Azores Triple Junction, Lucky Strike)
FIG. 7. — Heptnerina confusa n. gen., n. sp.,; A, habitus, dorsal; B, habitus, lateral; C, rostrum and labrum, lateral; D, leg 5 and genital somite, ventral; E, caudal ramus, ventral; F, leg 5. Scale bars: A, B, 0.2 mm; C, 0.1 mm; D-F, 0.05 mm.
FIG. 5. — Heptnerina confusa n. gen., n in A new genus and species of deep-sea cyclopoid (Crustacea, Copepoda, Cyclopinidae) from the Mid-Atlantic Ridge (Azores Triple Junction, Lucky Strike)
FIG. 5. — Heptnerina confusa n. gen., n. sp., holotype; A, leg 1, anterior; B, leg 2, anterior; C, exopod of leg 2, anterior; D, leg 3, anterior; E, endopod of leg 3, anterior. Scale bars: 0.05 mm.
FIG. 4. — Heptnerina confusa n. gen., n in A new genus and species of deep-sea cyclopoid (Crustacea, Copepoda, Cyclopinidae) from the Mid-Atlantic Ridge (Azores Triple Junction, Lucky Strike)
FIG. 4. — Heptnerina confusa n. gen., n. sp., holotype; A, maxillule; B, inner lobe of maxillule, ventral; C, maxilla; D, maxilliped. Scale bars: 0.05 mm.
FIG. 2. — Heptnerina confusa n. gen., n in A new genus and species of deep-sea cyclopoid (Crustacea, Copepoda, Cyclopinidae) from the Mid-Atlantic Ridge (Azores Triple Junction, Lucky Strike)
FIG. 2. — Heptnerina confusa n. gen., n. sp., holotype; A, caudal ramus, ventral; B, rostral and oral area showing labrum and mandibles; C, paragnath; D, paragnath and mandible (part); E, antennule; F, setation of third segment of antennule; G, distal segment of antennule. Scale bars: 0.05 mm.
FIG. 1. — Heptnerina confusa n. gen., n in A new genus and species of deep-sea cyclopoid (Crustacea, Copepoda, Cyclopinidae) from the Mid-Atlantic Ridge (Azores Triple Junction, Lucky Strike)
FIG. 1. — Heptnerina confusa n. gen., n. sp., holotype; A, habitus, dorsal; B, habitus, lateral; C, genital double somite, dorsal; D, genital double somite, ventral; E, gonoporal area and P6, lateral. Scale bars: A, B, 0.2 mm; C-E, 0.05 mm.
Preventative insecticides reduce seedling injury, but do not increase yield in Bt and non-Bt corn grown in the Mid-Atlantic
Open the record for dataset details and reuse information.
Data related to: The recurring role of storm disturbance on black sea bass (Centropristis striata) movement behaviors in the Mid-Atlantic Bight
<p>Summer storm events are a significant source of disturbance in the Middle Atlantic Bight (MAB) that cause rapid destratification of the water column. Storm-driven mixing can be considered as a summertime disturbance regime to demersal communities, characterized by the recurrence of large changes in bottom water temperatures. Black sea bass are a model ubiquitous demersal species in the MAB, as their sedentary behavior exposes them to summer storm disturbances and the physiological stresses associated with thermal destratification. To better understand the responsiveness of black sea bass to storm impacts, we coupled biotelemetry with a high resolution Finite Volume Community Ocean Model (FVCOM). During the summers of 2016-2018, 8-15 black sea bass were released with acoustic transponders at each of three reef sites, which were surrounded by data-logging receivers. Data were analyzed for activity levels, reef departures, and fluctuations in temperature, current velocity, and turbulent kinetic energy. Movement rates were depressed with each consecutive passing storm, and late-season storms were associated with permanent evacuations. Consecutive, compounding increases in bottom temperature associated with repeated storm events were identified as the primary depressor of local movement. Storm-driven increases in turbulent kinetic energy and current velocity had comparatively smaller, albeit significant, effect. The need to better understand the effect of storms on fish populations in the MAB is relevant in understanding both coincident anthropogenic impacts as well as future fisheries management.</p>
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
We conducted biodiversity inventories of lichens, woody plants, and sedges at 32 sites on the Mid-Atlantic Coastal Plain of eastern North America between November 2012 and June 2015. Each site comprised a single, uniform habitat, and sites were classified as: Coastal Plain Floodplain forest, Coastal Plain Flatwood swamp, Coastal Plain Oak-Pine forest, Maritime forest, Mixed Mesic Hardwood forest, or Tidal forest. We compared alpha diversity and community assemblages of each organismal group across the sites, and compared selected minimal reserve sets in order to visualize biodiversity patterns and assess whether specific components of vascular plants (sedges and woody plants) serve as an effective surrogate for lichens. Woody plants provide a direct substrate for lichen growth, but there was no significant correlation between the alpha diversity of these groups. For conserving maximal species richness among the studied groups, lichens outperformed the sedges and woody plants as the better surrogate group for building minimum reserve sets, even though vascular plants are more commonly used as a surrogate. Likewise, sedge alpha diversity was not correlated with lichens, or with woody plants. Although no group was an effective indicator for high alpha diversity sites of other organisms, a significant correlation between the community assemblages of lichens and woody plants suggests that protecting varied types of plant communities might serve as a workable surrogate for protecting lichens. The lack of congruence between species richness patterns across organismal groups suggests that the mechanisms that shape patterns of diversity are not identical, and that identifying and incorporating specific biodiversity indicators for understudied groups into conservation policy is necessary to ensure their protection.
Comparative migration ecology of striped bass and Atlantic sturgeon in the US Southern Mid-Atlantic Bight flyway
<p>Seasonal migrations are key to the production and persistence of marine fish populations but movements within shelf movement corridors or, "flyways", are poorly known. Atlantic sturgeon and striped bass, two anadromous species of concern, are known for their extensive migrations along the US Middle-Atlantic Bight. Seasonal patterns of habitat selection are well described within spawning rivers, estuaries, and shelf foraging habitats, but information on the location and timing of key coastal migrations is limited. Using a gradient-based array of acoustic telemetry receivers, we compared the seasonal incidence and movement behavior of these species in the near-shelf region of Maryland, USA. Atlantic sturgeon incidence was highest in the spring and fall and tended to be biased toward shallow regions, while striped bass had increased presence during spring and winter months and selected deeper waters. Incidence was transient (mean = ~2 d) for both species with a pattern of increased residency (> 2 d) during autumn and winter, particularly for striped bass, with many individuals exhibiting prolonged presence on the outer shelf during winter. Flyways also differed spatially between northern and southern migrations for both species and were related to temperature: striped bass were more likely to occur in cool conditions while Atlantic sturgeon preferred warmer temperatures. Observed timing and spatial distribution within the Middle-Atlantic flyway were dynamic between years and sensitive to climate variables. As shelf ecosystems come under increasing maritime development, gridded telemetry designs represent a feasible approach to provide impact responses within key marine flyways like those that occur within the US Middle-Atlantic Bight. </p>
Bulk geochemistry and in situ sulfur isotopes of hydrothermal deposits from the Lucky Strike vent field, Mid-Atlantic Ridge
<p>This is the dataset presented in the article <em>"Effects of substrate composition and subsurface fluid pathways on the geochemistry of seafloor hydrothermal deposits at the Lucky Strike Vent Field, Mid-Atlantic Ridge". </em>This includes Tables 1 and 2 found in the article as well as Tables S1 and S2 from the Supporting Information. Table 1 is the chemical composition of hydrothermal samples from the Lucky Strike vent field and Table S1 is an extended version of Table 1 that includes elements that were largely below the detection limit. Table 2 is the dataset for in situ sulfur isotope analyses of marcasite, pyrite, and chalcopyrite for samples from Lucky Strike. Table S2 is a compilation of modern seafloor hydrothermal sites that includes Lucky Strike, Menez Gwen, TAG, Snake Pit, Broken Spur, Rainbow, Logatchev, Beebe, Kairei, Yuhuang-1, and Daxi.</p>
Dataset for the NC article: Deep mantle earthquakes linked to CO2 degassing at the Mid-Atlantic Ridge
<p>The obtained earthquake catalogue, picked P- and S-arrivals, and 1-D velocity models in the Mid-Atlantic Ridge in the equatorial Atlantic ocean, using a recent temporary array of seafloor seismometers.</p> <p>Related article:<br>Yu, Z., Singh, S.C., Hamelin, C. <em>et al.</em> Deep mantle earthquakes linked to CO<sub>2</sub> degassing at the mid-Atlantic ridge. <em>Nat Commun</em> <strong>16</strong>, 563 (2025). https://doi.org/10.1038/s41467-024-55792-9</p>
Sea whip coral Leptogorgia virgulata in the Mid-Atlantic Bight: Colony complexity, age, and growth
<p>Datasets for the analyses described in the submitted publication: Sea whip coral <em>Leptogorgia virgulata </em>in the Mid-Atlantic Bight: Colony complexity, age, and growth. </p>
Biophysical models of persistent connectivity and barriers on the northern Mid-Atlantic Ridge
<p>This contains four data files that are all matlab binary files (.mat)</p> <p><strong>all_vent_sites.mat</strong></p> <p>This is a Matlab data file containing the <strong>longitude (column 1)</strong>, <strong>latitude (column 2)</strong>, of all vent sites used in the simulations. Column 3 specifies whether a vent-site is a <strong>known vent site (=1)</strong> or a <strong>ghost vent-site (=0)</strong></p> <p> </p> <p><strong>probeData_20W60W_04S45N.mat</strong></p> <p>This is a Matlab data file containing data on Argo probe cycles used to estimate average ocean currents that drive the particle tracking simulations. The variables in the file are:</p> <ul> <li><strong>fl</strong> Argo float ID </li> <li><strong>depth </strong>parking depth of the Argo float (m)</li> <li><strong>longlatStart </strong>longitude and latitude for the start of one dive cycle</li> <li><strong>longlatEnd </strong>longitude and latitude for the end of one dive cycle</li> <li><strong>month</strong> month of the dive cycle</li> <li><strong>year</strong> year of the dive cycle</li> <li><strong>timeStep</strong> number of days between the start and end of a dive cycle</li> <li><strong>distStep</strong> distance between the start and end positions of a cycle (km)</li> <li><strong>velocity</strong> average velocity of the Argo float over one dive cycle (km/day)</li> <li><strong>pos</strong> the mid-point position of the Argos float for each cycle</li> </ul> <p> </p> <p> </p> <p><strong>vent_connectivity_data.mat</strong></p> <p>This is a Matlab data file containing the connectivity data from the particle tracking simulations. The variables in this file are:</p> <ul> <li><strong>bbox_all</strong> The coordinates for the 64 target boxes</li> <li><strong>particleCount</strong> The number of larval particles starting in each of the 64 target boxes. This should be 100000 for all target boxes</li> <li><strong>connectTime</strong> A 64x64x500 array giving number of particles making a connection between two target boxes. connectTime(i,j,t) = number of particles from box i that have passed though box j in a time <= t. The 500 times correspond to the vector tVec.</li> <li><strong>leaveTime </strong>A 64x500 array giving the time taken for particles to leave their initial target box. leaveTime(i,t) = number of particles starting in box i that leave the box in a time <=t. The 500 times correspond to the vector tVec.</li> <li><strong>C_critical </strong> Critical connection probability</li> <li><strong>tVec</strong> A vector of simulation times. This should be 500 time points starting at day 1 up to day 500</li> <li><strong>tMax</strong> The maximum simulation time (days)</li> </ul> <p> </p> <p> </p> <p><strong>sim_larval_dispersal.mat</strong></p> <p>This is a Matlab data file that contains the dispersal distances of all the simulated larval particles for six planktonic larval durations. The variables in this file are:</p> <ul> <li><strong>bbox_all </strong>The coordinates for the 64 target boxes</li> <li><strong>tMax</strong> The maximum simulation time (days). This is the planktonic larval duration.</li> <li><strong>distAll </strong>The dispersal distance (km) within a given planktonic larval duration (tMax)</li> <li><strong>startAll</strong> The target box where a simulated larval particle started. The position of this box is given by bbox_all</li> </ul> <p> </p>
The past and future changes of river sediment in the U.S. Mid-Atlantic
<p><a href="../api/records/12597593/draft/files/E3SM-tanzeli-lnd-elm-erosion-v3.zip/content" target="_blank" rel="noopener noreferrer">E3SM-tanzeli-lnd-elm-erosion-v3.zip</a>: Model code</p> <p><a href="../api/records/12597593/draft/files/domain_lnd_Mid-Atlantic_MPAS_c220107.nc/content" target="_blank" rel="noopener noreferrer">domain_lnd_Mid-Atlantic_MPAS_c220107.nc</a>: Mid-Atlantic mesh grid</p> <p><a href="../api/records/12597593/draft/files/ancillary.pk/content" target="_blank" rel="noopener noreferrer">ancillary.pk</a>: ancillary variables including "area" (grid cell area: m^2), "areaTotal" (upstream drainage area: m^2), "DSIG" (downstream index), "GINDEX" (grid cell index), "outletG" (river basin index), and "rlen" (river channel length: m).</p> <p><a href="../api/records/12597593/draft/files/Baseline.pk/content" target="_blank" rel="noopener noreferrer">Baseline.pk</a>: Baseline simulation: "Q": discharge (m^3/s), "Qs": sediment discharge (kg/s)</p> <p><a href="../api/records/12597593/draft/files/CLIM_noLU_noDAM.pk/content" target="_blank" rel="noopener noreferrer">CLIM_noLU_noDAM.pk</a>: CLIM_noLU_noDAM simulation</p> <p><a href="../api/records/12597593/draft/files/noCLIM_LU_noDAM.pk/content" target="_blank" rel="noopener noreferrer">noCLIM_LU_noDAM.pk</a>: noCLIM_LU_noDAM simulation</p> <p><a href="../api/records/12597593/draft/files/noCLIM_noLU_DAM.pk/content" target="_blank" rel="noopener noreferrer">noCLIM_noLU_DAM.pk</a>: noCLIM_noLU_DAM simulation</p> <p><a href="../api/records/12597593/draft/files/SSP585_UKESM1-0-LL.pk/content" target="_blank" rel="noopener noreferrer">SSP585_UKESM1-0-LL.pk</a>: SSP585_UKESM1-0-LL simulation</p> <p><a href="../api/records/12597593/draft/files/SSP585_MPI-ESM1-2-HR.pk/content" target="_blank" rel="noopener noreferrer">SSP585_MPI-ESM1-2-HR.pk</a>: SSP585_MPI-ESM1-2-HR simulation</p> <p><a href="../api/records/12597593/draft/files/SSP585_GFDL-ESM4.pk/content" target="_blank" rel="noopener noreferrer">SSP585_GFDL-ESM4.pk</a>: SSP585_GFDL-ESM4 simulation</p> <p><a href="../api/records/12597593/draft/files/SSP585_IPSL-CM6A-LR.pk/content" target="_blank" rel="noopener noreferrer">SSP585_IPSL-CM6A-LR.pk</a>: SSP585_IPSL-CM6A-LR simulation</p> <p><a href="../api/records/12597593/draft/files/draw_ssc_channel_vari4pub.py/content" target="_blank" rel="noopener noreferrer">draw_ssc_channel_vari4pub.py</a>: Python script to plot longitudinal SSC variations</p> <p><a href="../api/records/12597593/draft/files/cmp_qs_icom_future4pub.py/content" target="_blank" rel="noopener noreferrer">cmp_qs_icom_future4pub.py</a>: Python script to plot future sediment discharge change</p>
Figure 7. Stenothoe menezgweni, DIVA 2 in Stenothoidae (Crustacea: Amphipoda) of hydrothermal vents and surroundings on the Mid-Atlantic Ridge, Azores Triple Junction zone
Figure 7. Stenothoe menezgweni, DIVA 2, PL26, holotype female. Habitus of the holotype.
FIG. 3. — Heptnerina confusa n. gen., n in A new genus and species of deep-sea cyclopoid (Crustacea, Copepoda, Cyclopinidae) from the Mid-Atlantic Ridge (Azores Triple Junction, Lucky Strike)
FIG. 3. — Heptnerina confusa n. gen., n. sp.,
mid-Atlantic_turbines
<p>wind-turbine-1.tbl includes the power and thrust curves by wind speed for a 12-MW turbine</p> <p>windturbines.txt* include turbine lats and lons for each wind plant layout</p>
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Allen Brain Atlas
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Annotated Behaviour and Observability Dataset (ABODe)
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