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Seasonal non-destructive vegetation measurements at 15 net primary production (NPP) study sites at Jornada Basin LTER, 1989-ongoing
This data package contains non-destructive quadrat measurements collected for the long-term Net Primary Production (NPP) study at the Jornada Basin LTER. Data here include measurements of horizontal cover and vertical height of plants observed at permanent NPP quadrats at 15 study sites. Sites were selected to represent the 5 major ecosystem types in the Chihuahuan Desert (upland grasslands, playa grasslands, mesquite-dominated shrublands, creosotebush-dominated shrublands, tarbush-dominated shrublands). For each ecosystem type, three sites were selected to represent the range in variability in production and plant diversity; thus the locations are not replicates. All sites are excluded from domestic grazing. Eleven sites are in non-grazed pastures, and at the other four sites 1 hectare areas around the observational plots were fenced in 1988. At all sites a grid of 49 (48 at one playa location) 1m x 1m replicate quadrats was laid out when sampling began in 1989. Grids consist of 49 quadrats arranged in a square 7 x 7 pattern, with quadrats 10 m apart (P-COLL has 48 quadrats in a 3 x 16 pattern). Standing vegetation in quadrats is sampled three times a year: in winter (February - March), before shrubs begin spring growth; in spring (May), when shrubs and spring annuals have reached peak biomass; in fall (late summer; October), when summer annuals have reached peak biomass but before killing frosts. Additional observations of plant count and phenological stage are also made. This dataset is subsequently used to determine quadrat biomass and net primary production. Details and linked data packages are described in the methods element. This is an ongoing dataset with new quadrat measurements collected in the spring, fall and winter of each year. Attention: 1) For most species, these data are not appropriate for estimates of percentage cover because of the way the data are collected. See Note 1 in the methods element for further details.
Non-destructive thickness mapping of wafer-scale hexagonal boron nitride down to a monolayer
<p>Raw data associated with the publication "Non-Destructive Thickness Mapping of Wafer-Scale Hexagonal Boron Nitride<br> Down to a Monolayer" published in ACS Applied Materials & Interfaces under the DOI: 10.1021/acsami.8b08609</p>
Fig. 5. A in Non-destructive analysis of pathological belemnite rostra by micro-CT techniques
Fig. 5. A. Rostrum of belemnite Gonioteuthis sp., RUB-Pal 11301, Campanian, Höver (NW-Germany) with forma aegra clavata (coll. L. Kaecke). Surface images showing no irregularities except for silification rings (A1–A3). Longitudinal section showing a homogenous internal rostrum with a dark layer along its outer margin (silica) (A4). Volume rendering image shows a darker centre due to the maximum thickness of the structure but no additional features (A5). Detail of the rostrum surface showing silification rings (A6). Cross section with a homogeneous centre and a dark margin (A7). B. Rostrum of belemnite Hibolithes jaculoides Swinnerton, 1937, RUB-Pal 11303, Hauterivian, Resse (NW-Germany) with forma aegra clavata (coll. U. Frerichs). Surface images showing the overall irregular rostrum morphology and the blunt and hollow apex in lateral (B1, B2), ventral (B3), and dorsal (B4), apical (B7) views. Longitudinal sections (central, subcentral) showing the broken juvenile rostrum, parts of the preserved phragmocone, and notable the lack of the apical line after the injury took place, note the irregular outline of the hollow central canal (B5, B6). Cross section with the juvenile rostrum, and subsequently deposited homogeneous material, white areas indicate the presence of pyrite (B8).
Fig. 3. A in Non-destructive analysis of pathological belemnite rostra by micro-CT techniques
Fig. 3. A. Rostrum of belemnite Neoclavibelus subclavatus (Voltz, 1830), SNSB-BSPG-83264, Toarcian, Mistelgau (SW-Germany) with forma aegra bullata (coll. H. Keupp). Surface images showing the bump-shaped irregular rostrum growth (A1–A4); longitudinal sections showing presence of sediment (diffuse grey) and pyrite (white) within the rostrum, and increasing irregular growth increments (A5, A6). B. Rostrum of belemnite Belemnitella sp., RE 551.763.333 A 5238, Late Cretaceous, NW-Germany with forma aegra bullata (coll. Baschin). Surface images showing the bump-shaped irregular rostrum growth and imprints of an organic network on the rostrum surface in dorsolateral (B1, B2) and ventrolateral (B3, B4) views; longitudinal sections (B5, B6), and cross section (B7). B5–B7 showing silification (black) along the rostrum surface but also along the malformed area.
Fig. 7. A in Non-destructive analysis of pathological belemnite rostra by micro-CT techniques
Fig. 7. A. Rostrum of belemnite Gonioteuthis sp., SNSB-BSPG-83370, Campanian, Höver (NW-Germany) with forma aegra hamata (coll. H. Keupp, leg. C. Spaeth). Surface images showing the knee-like strongly bent and irregular morphology of the rostrum (A1–A4). Median section showing the irregular internal silification of the rostrum indicating poorly mineralized areas, growth and apical line partially visible (A5). Volume rendering image with the darkest areas represented by the thickest or densest areas (A6). B. Rostrum of belemnite Pseudobelus sp., RUB-Pal 3196, Valanginian, Barret-Meouge (France) with forma aegra hamata (coll. M.-C. Picollier). Surface images showing the strongly bent and irregular morphology of the rostrum with the apex growth in anterior direction (B3–B6). Median section overview and close up showing growth increments and the presence of pyrite along the apical line (white) (B1, B7, B8). Cross section showing four growth center representing a temporal sequence (B2).
Fig. 6 in Non-destructive analysis of pathological belemnite rostra by micro-CT techniques
Fig. 6. Rostra of belemnite Gonioteuthis spp. A. RUB-Pal 11302, Campanian, Höver (NW-Germany) with forma aegra angulata (coll. U Frerichs). Surface images showing the knee-like morphology of the rostrum, and the attachment-base of an oyster, in lateral (A1, A4), dorsal (A2), and ventral (A4) views; note the weak furrows in A3. Median sections perpendicular to each other showing silicified areas (darker) and the broken phragmocone now filled with sediment, no additional internal feature visible (A5, A6). B. SNSB-BSPG-83246, Campanian, Höver (NW-Germany) with forma aegra angulata (coll. H. Keupp, leg. C. Spaeth). Surface images showing the knee-like morphology of the rostrum, in ventral (B1), lateral (B2, B4), and dorsal (B5) views. Cross section (B3). Median sections showing silicified areas specifically at places heavily bent (darker) (B6, B7); see also A5, A6 for the same phenomenon. Black box indicates close up in B7, showing the broken juvenile rostrum with growth increment (forma aegra clavata), and the phragmocone partially filled with pyrite (white).
Fig. 1 in Non-destructive analysis of pathological belemnite rostra by micro-CT techniques
Fig. 1. Rostrum of belemnite?Acrocoelites sp., PIMUZ 37346, Toarcian, Altdorf (SW-Germany) with forma aegra saepia (leg. M. Weissmüller). A. Overview A1, A2). B. Close-up of the two apices, showing the radial furrows covering the apex that represent the "normal" tip of the rostrum (B1–B5).
Figure 1 in Needlepoint non-destructive internal tissue sampling for precious fish specimens
Figure 1. – Non-destructive tissue sampling. A: (from top to bottom) dental probe, 1 mL insulin syringe MYJECTOR ® U-100 and specimen 19058 (standard length: 141.1 mm), male Oostethus manadensis; B: View of the brooding pouch and eggs of specimen 14964 (standard length: 113.23 mm), Coelonotus argulus, male; missing eggs correspond to the sample for DNA extraction; C: Scratching the inside via the urogenital papilla with the dental probe; D: Internal tissue sampling using the syringe via the urogenital papilla; E: State of urogenital papilla before sampling; F: State of urogenital papilla after sampling. Photos B to F are ventral views of the specimens; the arrow in B gives the orientation of the specimen in photos A, B; the arrow is C gives the orientation of the specimen in photos C-F.
FIGURE 2 in Non-destructive analysis of in situ ammonoid jaws by synchrotron radiation X-ray micro-computed tomography
FIGURE 2. Reconstructed tomographic images of the specimen (1) and its internal structure in median section (2). The lower and upper jaws are enlarged in (3) and (4), respectively.
FIGURE 5 in Non-destructive analysis of in situ ammonoid jaws by synchrotron radiation X-ray micro-computed tomography
FIGURE 5. Three-dimensional reconstruction of the upper and lower jaws preserved in the body chamber of the specimen. The reconstructed parts are inside the specimen (1). The jaws are preserved close to each other (2).
FIGURE 1 in Non-destructive analysis of in situ ammonoid jaws by synchrotron radiation X-ray micro-computed tomography
FIGURE 1. Left lateral (1), dorsal (2) and ventral (3) views of Phyllopachyceras ezoensis with preserved upper and lower jaws in situ within the body chamber. UMUT MM 27831 (modified from Tanabe et al., 2013).
FIGURE 7 in Non-destructive analysis of in situ ammonoid jaws by synchrotron radiation X-ray micro-computed tomography
FIGURE 7. Result of segmentation of the upper jaw of the specimen, from frontal (1), rear (2), left-lateral (3) views and the transverse section of the area (4) indicated as a square in (3). The three-dimensional reconstruction (5) shows areal distributions of the "chitinous" lamellae and the calcareous covering. The reconstruction of the transverse section (6), which corresponds to (4), shows the architecture of the outer lamella. The abbreviations are indicated in (5).
FIGURE 6 in Non-destructive analysis of in situ ammonoid jaws by synchrotron radiation X-ray micro-computed tomography
FIGURE 6. Result of segmentation of the lower jaw of the specimen, from lateral view which is restricted to its anterior and posterior portion (1). Three-dimensional reconstruction (2) suggests a wide distribution of calcareous material. The outer calcareous layer on the outer "chitinous" layer is partly taken off in (2). The transverse section of the area indicated as a square in (1) shows that the calcareous covering of the lower jaw also covers the internal surface of the "chitinous" lamella (3). The abbreviation is indicated in (2).
FIGURE 4 in Non-destructive analysis of in situ ammonoid jaws by synchrotron radiation X-ray micro-computed tomography
FIGURE 4. Linear absorption coefficient (LAC) of the internal portions of the specimen estimated by their mean luminance values in the tomographic images. The numbers (1)-(10) correspond to the materials in Table 1. The dashed lines indicate the known values for the materials (Chantler et al., 2005) that could be expected to be observed in the specimen. Note that glycine is the most dominant amino acid in jaws of Octopus vulgaris (Hunt and Nixon, 1981). The relationship between LAC values and luminance values is based on the assumption that the LAC values for the surrounding air are zero and that the crystals precipitated in the phragmocone are calcite.
FIGURE 3 in Non-destructive analysis of in situ ammonoid jaws by synchrotron radiation X-ray micro-computed tomography
FIGURE 3. Serial cross-sections of the body chamber portion of the specimen cut from the venter (1) to the dorsum (4), in which sectioned images of the upper jaw are shown. Note that the vertical stripes are due to the separated scanning.
FIGURE 2 in Imaging of the inner structure of cave bear teeth by novel non-destructive techniques
FIGURE 2. Specimen GS 26-1. Root of a right lower M1 of a senile individual of Ursus ingressus from Gamssulzen cave (Lower Austria). 2.1. Comparison between 3D volume rendering of µ-CT and OCT (ƛc=850 nm) data. 2.2. - 2.4. Axial cross sections of the mesial root by µ-CT at position i)-iii) as depicted in 2.1. The regions marked in red show the area scanned by OCT presented in Figure 3.
FIGURE 1 in Imaging of the inner structure of cave bear teeth by novel non-destructive techniques
FIGURE 1. Orientation of measurement planes with respect to the tooth. The red area signifies the surface area scanned by OCT.
FIGURE 7 in Imaging of the inner structure of cave bear teeth by novel non-destructive techniques
FIGURE 7. Specimen GS 108-2, right lower m1 of a young adult individual of Ursus ingressus from Gamssulzen cave (Lower Austria). Comparison between 7.1. transmitted pulse amplitude, 7.2. time delay of THz measurement and 7.3. µ-CT.
FIGURE 4 in Imaging of the inner structure of cave bear teeth by novel non-destructive techniques
FIGURE 4. Specimen GS 26-1. 4.1. Volume rendering of the 3D µ-CT. The red area marks the region scanned by OCT. 4.2. Sectional view of 3D OCT data. Quicktime format video file of animated OCT scan. 4.3. µ-CT axial crosssectional scans and 4.4. µ-CT en-face scan. Quicktime format video file of animated µ-CT scan.
FIGURE 3 in Imaging of the inner structure of cave bear teeth by novel non-destructive techniques
FIGURE 3. Specimen GS 26-1.Comparison between axial cross-sectional µ-CT and OCT (ƛc=850 nm) images on the distal root at position i-iii, as depicted in Figure 1. 3.1. The cross section close to the collum dentis shows enamel but no annuli. 3.2.-3.3. The cross-sectional images ii) and iii) show annuli.
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International Brain Laboratory public data
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OpenNeuro
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