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2,107 results for “margin;”
Magnolia macrophylla (Magnoliaceae) - leaf - margin of upper + lower surface
Image of Magnolia macrophylla (Magnoliaceae) - leaf - margin of upper + lower surface
РИС. 3. Раковины Зрелых глохидиев Beringiana beringiana в раЗных ракурсах: А–С – Закрытые раковины, вид со стороны створки (А), вентрального угла (В) и лигамента (С); D–F – полностью открытые раковины, вид иЗнутри (D), снаруЖи (E) и боковых краев створок (F); G, H – приоткрытые раковины, стрелка укаЗывает на остатки волокон мускулаЗамыкателЯ. МасштабнаЯ линейка 100 мкм. СканируюЩаЯ ЭлектроннаЯ микроскопиЯ. FIG. 3. Mature glochidial shells of Beringiana beringiana from different angles of view: A–C – closed shells, view from the valve side (A), ventral angle (B), and ligament (C); D–F – open shells, interior view (D), exterior view (E), and from lateral margins of valves (F); G, H – ajar shells, the arrows indicate the remains of the adductor muscle fibers. Scale bar 100 µm. Scanning electron microscopy. in Первые данные о морфологии глохидиев двустворчатых моллюсков Beringiana beringiana (Bivalvia, Unionidae) оЗера Дальнее, Камчатка
РИС. 3. Раковины Зрелых глохидиев Beringiana beringiana в раЗных ракурсах: А–С – Закрытые раковины, вид со стороны створки (А), вентрального угла (В) и лигамента (С); D–F – полностью открытые раковины, вид иЗнутри (D), снаруЖи (E) и боковых краев створок (F); G, H – приоткрытые раковины, стрелка укаЗывает на остатки волокон мускулаЗамыкателЯ. МасштабнаЯ линейка 100 мкм. СканируюЩаЯ ЭлектроннаЯ микроскопиЯ. FIG. 3. Mature glochidial shells of Beringiana beringiana from different angles of view: A–C – closed shells, view from the valve side (A), ventral angle (B), and ligament (C); D–F – open shells, interior view (D), exterior view (E), and from lateral margins of valves (F); G, H – ajar shells, the arrows indicate the remains of the adductor muscle fibers. Scale bar 100 µm. Scanning electron microscopy.
Regional relationship between total alkalinity and salinity in the surface waters of the western South Atlantic margin
<p><span><span>Surface</span><span> seawater </span><span>data</span><span> considered </span></span><span><span>in the surface waters </span><span>of</span><span> the western South Atlantic margin</span></span><span><span>: cruise, year, month, day, hour, minute, station, latitude, longitude, pressure (</span><span>dbar</span><span>), </span></span><span><span>surface temperature (SST</span><span>; </span><span>°C)</span><span>,</span><span> sea surface salinity (SSS) and total alkalinity (A</span></span><span><span>T</span></span><span><span>; µmol kg</span></span><span><span>-1</span></span><span><span>)</span><span>.</span></span><span> </span></p>
A legacy of submarine slope failure in seismic reflection data along the active Hikurangi Margin, Aotearoa New Zealand
<p><span>We present a database that documents mass transport deposits (MTDs) in 32 marine geophysical surveys, encompassing >38,000 line-km of 2D seismic profiles. We map and characterise 737 MTDs, showing variations in size, location and style of failure, which we attribute to changes in geomorphic setting from north to south. MTDs in the northern Hikurangi margin, characterised by a high taper wedge and seamount subduction, show a broad range in size, with the highest proportion of MTDs displaying blocky or intact internal architecture. The central margin, characterised by lower wedge taper, hosts the most MTDs (51%), albeit with the thinnest (on average) and clustering within interridge basins. The southern Hikurangi margin hosts widespread submarine canyons and the largest (on average) MTDs, based on area and thickness. We demonstrate the importance of seismic archives in providing new insights into MTD preservation and discuss the bias between seafloor geomorphology and subseafloor seismic data in quantifying MTD occurrence. Our findings support the interrogation of the varied and complex causes of submarine landslides along active margins generally, as well as regions prone to cascading geohazards and landslide-induced tsunami. </span></p>
nal; E', F', internal, G'-J', Pal. 1341 (peripheral 8); G', H', external; I', J', internal; K'-N', Pal. 1343 (peripheral 9); K', L', external; M', N', internal; O'-R', Pal. 1345 (peripheral 10); O', P', external; Q', R', internal; S'-V', Pal. 1348 (peripheral 11); S', T', external; U', V', internal views; W', reconstruction of carapace Thick lines correspond to scute sulci, dotted lines denote plate sutures, and oblique lines indicate missing plate portions. Abbreviations: Ce, cervical; co, costal; Ma, marginal; ne, neural; nu, nuchal; per, peripheral; Pl, pleural; py, pygal; sp, suprapygal; Spr, supracaudal; Ve, vertebral. Scale bars: A-V', 1 cm; W', 2.5 cm. in Fossil turtles from the early Miocene localities of Mokrá-Quarry (Burdigalian, MN4), South Moravian Region, Czech Republic
nal; E', F', internal, G'-J', Pal. 1341 (peripheral 8); G', H', external; I', J', internal; K'-N', Pal. 1343 (peripheral 9); K', L', external; M', N', internal; O'-R', Pal. 1345 (peripheral 10); O', P', external; Q', R', internal; S'-V', Pal. 1348 (peripheral 11); S', T', external; U', V', internal views; W', reconstruction of carapace Thick lines correspond to scute sulci, dotted lines denote plate sutures, and oblique lines indicate missing plate portions. Abbreviations: Ce, cervical; co, costal; Ma, marginal; ne, neural; nu, nuchal; per, peripheral; Pl, pleural; py, pygal; sp, suprapygal; Spr, supracaudal; Ve, vertebral. Scale bars: A-V', 1 cm; W', 2.5 cm.
sal; W, visceral; X-Z, Pal. 1308 (costal 5); X, Y, dorsal; Z, visceral; A'-C', Pal. 1309 (costal 6); A', B', dorsal; C', visceral; D'-F', Pal. 1310 (costal 8); D', E', dorsal; F', visceral; G'-J', Pal. 1312 (peripheral 1); G', H', dorsal; I', J', visceral; K'-N', Pal. 1313 (peripheral 7); K', L', dorsal; M', N', visceral; O'-R', Pal. 1314 (peripheral 8); O', P', dorsal; Q', R', visceral views; S', reconstruction of carapace. Thick lines indicate to scute sulci, dotted lines sutures and oblique lines denote missing plate portions. Abbreviations: Ce, cervical; co, costal; Ma, marginal; ne, neural; nu, nuchal; per, peripheral; Pl, pleural; py, pygal; sp, suprapygal; Ve, vertebral. Scale bars: 1 cm. in Fossil turtles from the early Miocene localities of Mokrá-Quarry (Burdigalian, MN4), South Moravian Region, Czech Republic
sal; W, visceral; X-Z, Pal. 1308 (costal 5); X, Y, dorsal; Z, visceral; A'-C', Pal. 1309 (costal 6); A', B', dorsal; C', visceral; D'-F', Pal. 1310 (costal 8); D', E', dorsal; F', visceral; G'-J', Pal. 1312 (peripheral 1); G', H', dorsal; I', J', visceral; K'-N', Pal. 1313 (peripheral 7); K', L', dorsal; M', N', visceral; O'-R', Pal. 1314 (peripheral 8); O', P', dorsal; Q', R', visceral views; S', reconstruction of carapace. Thick lines indicate to scute sulci, dotted lines sutures and oblique lines denote missing plate portions. Abbreviations: Ce, cervical; co, costal; Ma, marginal; ne, neural; nu, nuchal; per, peripheral; Pl, pleural; py, pygal; sp, suprapygal; Ve, vertebral. Scale bars: 1 cm.
2D P-wave velocity model of the northern Hikurangi margin.
<p>You should find three files attached that include (1) a table that maps x-coordinates to longitude/latitude, (2) the Vp model with columns for x, depth, and Vp, and (3) a table of interfaces that include the topography (value 1) and the Moho (value 2). The zero x coordinate is arbitrarily the location of the westernmost shot in the Bay of Plenty from the SHIRE seismic survey of 2017, so x values range from ~190 to 400 km.</p> <p>This P-wave velocity model is presented in: Gase, Andrew C., et al. "Crustal structure of the northern Hikurangi margin, New Zealand: Variable accretion and overthrusting plate strength influenced by rough subduction." <em>Journal of Geophysical Research: Solid Earth</em> 126.5 (2021): e2020JB021176.</p>
Timeseries of lake margin, lake area, water level, mascon solutions of Lago Greve
<p>These are the dataset of timeseries of lake extent, lake area, water level, and mass around the lake, of Lago Greve presented in the study.</p> <p>1. Lake extent<br> Filename: LagoGreve.shp<br> Note: LagoGreve.cpg, LagoGreve.dbf, LagoGreve.prj, LagoGreve.shx are also needed.</p> <p>2. Timeseries of lake area<br> Filename: LakeArea_LagoGreve.csv</p> <p>3. Timeseries of water level<br> Filename: Lakelevel_LagoGreve.csv</p> <p>4. Timeseries of grace mascon solution<br> Filename: MeanMasconLagoGreve_CSRv06.csv</p> <p>5. Fitting model for mascon solution<br> Filename: MeanMasconFitting.csv</p>
Full margin Cascadia earthquake models
<p>Rupture models for full margin Cascadia earthquakes. Companion data set tot he paper "Deep Coseismic Slip in the Cascadia Megathrust can be Consistent with Coastal Subsidence " ublished in Geophysical Research Letters.</p> <p>This updated version also includes the static offsets at the coastline for each rupture.</p>
Simulation code for: The role of phenotypic plasticity in the establishment of range margins
<p>It has been argued that adaptive phenotypic plasticity may facilitate range expansions over spatially and temporally variable environments. However, plasticity may induce fitness costs. This may hinder the evolution of plasticity. Earlier modelling studies examined the role of plasticity during range expansions of populations with fixed genetic variance. However, genetic variance evolves in natural populations. This may critically alter model outcomes. We ask: How does the capacity for plasticity in populations with evolving genetic variance alter range margins that populations without the capacity for plas- ticity are expected to attain? We answered this question using computer simulations and analytical approximations. We found a critical plasticity cost above which the capacity for plasticity has no impact on the expected range of the population. Below the critical cost, by contrast, plasticity facilitates range expansion, extending the range in comparison to that expected for populations without plasticity. We further found that populations may evolve plasticity to buffer temporal environmental fluctuations, but only when the plasticity cost is below the critical cost. Thus, the cost of plasticity is a key factor involved in range expansions of populations with the potential to express plastic response in the adaptive trait.</p> <p>This article is part of the theme issue 'Species ranges in the face of changing environments (Part I)'.</p>
Marginalized language communities questionnaire: Summary
<p>This dataset contains the anonymized results of a questionnaire for members of marginalized language communities that aims to study their possibilities of access to recordings in their languages as well as connectivity and communication habits. A slightly different version has been designed for outsider researchers who are in contact with communities. The dataset contains the answers to the questionnaire (in English, Spanish, Russian) by December 27th 2021. The results are arranged in 31 columns, together with a brief summary for each below row 34. Note that row 26 (in grey) is discarded as invalid for our purposes and not included in the summary.</p>
Model data repository of "Styles of Trench-parallel Mid-ocean Ridge Subduction Affect Cenozoic Geological Evolution in circum-Pacific Continental Margins"
<p>This dataset contains the data used in Wu et al. (2022): "Styles of Trench-parallel Mid-ocean Ridge Subduction Affect Cenozoic Geological Evolution in circum-Pacific Continental Margins".</p>
Towards identifying industrial crop types and associated agronomies to improve biomass production from marginal lands in Europe
<p>Background: Growing industrial crops on marginal lands has been proposed as a strategy to minimize competition for arable land and food production. In the present study, eight experimental sites in three different climatic zones in Europe (Mediterranean, Atlantic and Continental), seven advanced industrial crop species [giant reed (two clones), miscanthus (<em>M</em>. × <em>giganteus</em> and two new seed-based hybrids), saccharum (one clones), switchgrass (one variety), tall wheatgrass (one variety), industrial hemp (three varieties) and willow (eleven clones)], and six marginality factors alone or in combination (dryness, unfavorable texture, stoniness, shallow soil, topsoil acidity, heavy metal and metalloid contamination) were investigated. At each site, biophysical constraints and low-input management practices were combined with prevailing climatic conditions.</p> <p>Results: The relative yield of a site-specific low-input system compared with the site-specific control was from small to large (i.e., from -99% in industrial hemp in the Mediterranean to +210% in willow in the Continental zone), due to the genotype-by-management interaction along with climatic variation between growing seasons. Genotype selection and improved knowledge on crop response to changing environmental, site-specific biophysical constraint and input application has been detected as key to profitably grow industrial crops on marginal areas.</p> <p>Conclusions: This study may act to provide hints on how to scale-up investigated cropping systems, through low-input practices, under similar environmental and soil conditions tested at each site. However, further attention to detail on the agronomy of early plant development and management in larger multi-year and multi-location field studies with commercially scalable agronomies are needed in order to validate yield performances, and thereby to inform on the best industrial crop options.</p>
Research dat for: "Active Tectonics of the North Tunisian Continental Margin"
<p>The data are the figures in high-resolution for the article: "Active Tectonics of the North Tunisian Continental Margin"</p>
Fig. 5. The marginal response curve for the explanatory variable Bio14 in Modelling The Bioclimatic Niche And Distribution Of The Steppe Mouse, Mus Spicilegus (Rodentia, Muridae), In Ukraine
Fig. 5. The marginal response curve for the explanatory variable Bio14 (Precipitation of driest week). (HS — habitat suitability).
Fig. 4. The marginal response curve for the explanatory variable Bio09 in Modelling The Bioclimatic Niche And Distribution Of The Steppe Mouse, Mus Spicilegus (Rodentia, Muridae), In Ukraine
Fig. 4. The marginal response curve for the explanatory variable Bio09 (Mean temperature of driest quarter). (HS — habitat suitability).
Fig. 8 in Abyssal vent field habitats along plate margins in the Central Indian Ocean yield new species in the genus Anatoma (Vetigastropoda: Anatomidae)
Fig. 8. Anatoma laevapex sp. nov. A, G. INDEX19_127RO. A–C. Holotype (SMF 358989) (I19_Ma_74) H 1.0 mm, W 1.5 mm, Ha 0.67 mm, Wp 0.19 mm, apical angle 119 deg. D–E. Paratype 1 (SMF 358990) (I19_Ma_75) H 0.9 mm, W 1.3 mm, Ha 0.61 mm, Dp 0.19 mm, apical angle 124 deg. F–G. Paratype 2
Fig. 3 in Abyssal vent field habitats along plate margins in the Central Indian Ocean yield new species in the genus Anatoma (Vetigastropoda: Anatomidae)
Fig. 3. Anatoma discapex sp. nov. A–F. INDEX19_042RO. A–B. Holotype (SMF 358976), H 1.31 mm, W 2.11 mm, Ha 0.85 mm. C–D. Paratype 1 (SMF 358977), H 1.15 mm, W 2.20 mm, Ha 0.79 mm, Wp 0.20 mm. E–F. Paratype 2 (SMF 358978), I19_Ma_85, H 0.68 mm, W 1.47 mm, Ha 0.53 mm, Wp 0.19 mm. — G–S. INDEX19_031RO. G–H. Paratype 3 (SMF 358979), I19_Ma_86, H 0.84 mm, W 1.48 mm, Ha 0.58 mm. I–K. Paratype 4 (SMF 358980), H 0.38 mm, W 0.70 mm, Ha 0.32 mm, Wp 0.20 mm. L–N. Paratype 5 (SMF 358981), I19_Ma_80, H 0.86 mm, W 1.34 mm, Wp 0.20 mm. O–Q. Paratype 6 (SMF 358982), I19_Ma_81, H 0.72 mm, W 1.30 mm, Wp 0.19 mm. R–S. Paratype 7
Fig. 11 in Abyssal vent field habitats along plate margins in the Central Indian Ocean yield new species in the genus Anatoma (Vetigastropoda: Anatomidae)
Fig. 11. Anatoma paucisculpta sp. nov. A–C. Paratype (SMF 358993), INDEX19_104RO (I19_Ma_91). H 0.77 mm, W 0.99 mm, Ha 0.61 mm, Wp 0.20 mm. D–H. Holotype (SMF 358992), INDEX15_62R
Fig. 10 in Abyssal vent field habitats along plate margins in the Central Indian Ocean yield new species in the genus Anatoma (Vetigastropoda: Anatomidae)
Fig. 10. SEM images of radula of Anatoma laevapex sp. nov., I19_033RO (I19_Ma_97). A. Central, lateral and inner marginal teeth. B. Central and inner lateral teeth. C. SEM image of half radula with central, lateral, inner and outer marginal teeth. D. Outer marginal teeth. E. Inner marginal teeth. Abbreviations: C = central (rachidian) tooth; L1, L2, L3 = inner lateral teeth; M1, M2, M3 = inner
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