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2,021 results for “valley”
Figure 1 in Macroinvertebrate and vertebrate fauna of temporary pools, Hudson River Valley, New York, USA
Figure 1. Northern Dutchess and Ulster counties, Hudson Valley, New York, USA. Locations of temporary pools sampled in this study are indicated by black circles.
Figure 3 in Macroinvertebrate and vertebrate fauna of temporary pools, Hudson River Valley, New York, USA
Figure 3. Random forest regression plot of the relative importance of environmental variables (predictors) on total taxon richness. Direction (positive or negative) of the relationships is indicated by the + or – sign on the x-axis; direction is not strongly indicated for all the weaker predictors.
Extended Hubbard Model with spin-valley polarization DMRG solution
<p>The data set for containing observables obtained by means of Density Matrix Renormalization Group for the Extended Hubbard model at filling n=2/3 and with spin-valley polarization included in the single-particle term. For all the considered case the on-site Hubbard repulsion U is set to 15|t| and |t| = 1. The phase for hopping termi is 2*pi/3.</p> <p>Folders naming convention is following:</p> <p>VXYZ</p> <p>V stands for intersite interaction and XYZ is its magnitude.</p> <p> </p> <p>In each folder there are following files:</p> <p>- n_single</p> <p>columns: i j Re_up Im_up Re_dn Im_dn</p> <p>Where: i,j are site indicies Re(Im)_up(dn) stand for the real(imaginary) part of single particle equal-time Green function for up(dn) spin</p> <p>- nn</p> <p>columns: i j Re_up Im_up Re_dn Im_dn Re_(up+dn) Im_(up+dn)</p> <p>Where: i,j are site indicies Re(Im)_up(dn) stand for the real(imaginary) part of two particle equal-time Green function <n_i,up(dn) n_j,up(dn)> for up(dn) spin and two last columns correspond to <(n_i,up+n_i,dn)(n_j,up+n_j,dn)></p> <p>- ss</p> <p>columns: i j Re Im</p> <p>Where: i,j are site indicies Re(Im) stand for the real(imaginary) part of two particle equal-time Green function <S_i S_j> where S_i is total spin operator on site "i"</p> <p>- szsz</p> <p>columns: i j Re Im</p> <p>Where: i,j are site indicies Re(Im) stand for the real(imaginary) part of two particle equal-time Green function <S_z S_z> where S_z is z-th component of spin operator on site "i"</p> <p>- spsm</p> <p>columns: i j Re Im Re Im</p> <p>Where: i,j are site indicies Re(Im) stand for the real(imaginary) part of two particle equal-time Green function <S_i^(+)S_j^(-)> and <S_i^(-)S_j^(+)> where S_i^(+/-) are spin ladder operators</p> <p> </p>
FIGURE 1. A–E. Drimia edwardsii N.R in Drimia edwardsii (Asparagaceae, Scilloideae), a new urgineoid species from the Mkhomazi River Valley of eastern South Africa
FIGURE 1. A–E. Drimia edwardsii N.R.Crouch & Mart.-Azorín. A. Flowers campanulate, pale-brownish. B. Bulb scales loose, pedicellate and cucullate. C. Type locality, Eastern Valley Bushveld. D. Bulbs in trade, Durban medicinal plant market. E. Plants unifoliate, leaves erect filiform, hypogeal bulbs solitary. Scales A: 5 mm; B: 25 mm; D–E: 20 mm.
FIGURE 4. A–H in Drimia edwardsii (Asparagaceae, Scilloideae), a new urgineoid species from the Mkhomazi River Valley of eastern South Africa
FIGURE 4. A–H. Drimia delagoensis: A. Raceme sparely flowered. B. Outer bulb scales fleshy, loose-packed peripherally, dark olivegreen with withered apices. C. Bulbs gregarious and largely epigeal, leaves>3, linear, deeply canaliculate. Urginea lydenburgensis: D. Small colony, bulbs single, hypogeal, leaves 1–2, filiform, erect-pendulous. E. Raceme sparse, flowers campanulate to spreading. F. Bulb scales compact, smooth, pinkish. Sekanama sanguinea: G. Flowers white on many-flowered raceme. H. Bulb with prominent red papery tunic. Scales A: 5 mm; B: 30 mm; C: 100 mm; D: 60 mm; E: 5 mm; F: 35 mm; G: 10 mm; H: 25 mm.
FIGURE 2. A–I. Drimia edwardsii N.R in Drimia edwardsii (Asparagaceae, Scilloideae), a new urgineoid species from the Mkhomazi River Valley of eastern South Africa
FIGURE 2. A–I. Drimia edwardsii N.R.Crouch & Mart.-Azorín (corresponding to the holotype: N. Crouch 1280, BNRH): A. Flowering habit, leaf bases persistent. B. Transverse leaf section, distal region. C. Lower inflorescence bract. D. Flower, fully opened. E. Raceme. F. Immature capsule. G. Immature seed. H. Bulb with very loose, cucullate, pedicellate scales, and neck covered by papery leaf bases. I. Scape base pilose. Scales A: 10 mm; B: 1 mm; C: 2 mm; D: 2 mm; E: 10 mm; F–G: 3 mm; H: 10 mm; I: 1 mm. Illustration by S. Burrows.
FIGURE 6 in Alyssum rossetii (Brassicaceae), a new species from the Aosta Valley in Italy based on morphological and genome size data
FIGURE 6. Morphology of Alyssum rossetii (A-H) and of inner and outer filaments of A. montanum (I), A. rhodanense (J), A. flexicaule (K) and A. orophilum (L). A—habitus, B—fruiting raceme, C—silicule, D—flower, E—morphology of a silicule trichome, H–L—filaments. Drawings by Zlata Komárová.
FIGURE 5 in Alyssum rossetii (Brassicaceae), a new species from the Aosta Valley in Italy based on morphological and genome size data
FIGURE 5. Relative monoploid genome size variation of Alyssum species under study. Boxes define the 25th and 75th percentiles, vertical lines within boxes indicate medians, and whiskers span the whole range of values.
FIGURE 7 in Alyssum rossetii (Brassicaceae), a new species from the Aosta Valley in Italy based on morphological and genome size data
FIGURE 7. Variation of the indumentum on the lower surface of middle cauline leaves among Alyssum rossetii (A, B; pop. 560FEU), A. montanum (C, D; pop. 293CHA), A. flexicaule (E, F, 274VEX), A. orophilum (G, H; pop. 316MGR) and A. rhodanense (I, J, 254TAI). Scale bars: 100 μm (B, D, F, H, J) and 200 μm (A, C, E, G, I). SEM microphotographs by V. Cetlová and S. Španiel.
FIGURE 4 in Alyssum rossetii (Brassicaceae), a new species from the Aosta Valley in Italy based on morphological and genome size data
FIGURE 4. Total relative genome size variation of Alyssum species under study. Boxes define the 25th and 75th percentiles, vertical lines within boxes indicate medians, and whiskers span the whole range of values.
FIGURE 2 in Alyssum rossetii (Brassicaceae), a new species from the Aosta Valley in Italy based on morphological and genome size data
FIGURE 2. Map of sample sites of analysed Alyssum species. Population codes follow Table 1. Taxa are indicated by symbol colours and ploidy levels of populations are indicated by symbol shapes.
FIGURE 1 in Alyssum rossetii (Brassicaceae), a new species from the Aosta Valley in Italy based on morphological and genome size data
FIGURE 1. Alyssum rossetii: unripe fruits (A), in bloom (B) and the habitat of the holotype between La Tsa and Pas des Feuilles (C, D).
FIGURE 3. A in Alyssum rossetii (Brassicaceae), a new species from the Aosta Valley in Italy based on morphological and genome size data
FIGURE 3. A. Metaphase plate of a root tip of Alyssum rossetii with the chromosome number 2n = 16. Photo by L. Mártonfiová. B. A simultaneous flow cytometric analysis illustrating difference in relative genome size between A. rossetii and diploid A. montanum. For population codes, see Table 1.
FIGURES 352–355 in Five new Achnanthidiaceae species (Bacillariophyta) from Jiuzhai Valley, Sichuan Province, Southwestern China
FIGURES 352–355. Achnanthidium subtilissimum sp. nov. SEM views of rapheless valve. 352. External view of an entire rapheless valve. 353. Detail of the areolae on the external of the rapheless valve. 354. Internal view of an entire rapheless valve. 355. Internal areola openings with fine hymenate structures. Scale bars 1 μm (352, 354), 0.1 μm (353, 355).
FIGURES 356–404 in Five new Achnanthidiaceae species (Bacillariophyta) from Jiuzhai Valley, Sichuan Province, Southwestern China
FIGURES 356–404. Kolbesia sichuanenis sp. nov. 356–378. LM of raphe valve. 379–402. LM of rapheless valve. 356, 379. Holotype. 403–404. SEM views of raphe valve. 403. External view of an entire raphe valve. 404. Internal view of an entire raphe valve. Scale bars 10 μm (356–402), 1 μm (403–404).
FIGURES 232–289 in Five new Achnanthidiaceae species (Bacillariophyta) from Jiuzhai Valley, Sichuan Province, Southwestern China
FIGURES 232–289. Achnanthidium limosua sp. nov. 232–259. LM of raphe valve. 260–285. LM of rapheless valve. 242, 273. Holotype. 286–289. SEM views of raphe valve. 286. External view of an entire raphe valve. 287. Detail of the areolae on the external of the raphe valve. 288. Internal view of an entire raphe valve. 289. Internal areola openings with fine hymenate structures. Scale bars 10 μm (232– 285), 1 μm (286, 288), 0.1 μm (287, 289).
FIGURES 405–408 in Five new Achnanthidiaceae species (Bacillariophyta) from Jiuzhai Valley, Sichuan Province, Southwestern China
FIGURES 405–408. Kolbesia sichuanenis sp. nov. SEM views of rapheless valve. 405. External view of an entire rapheless valve. 406. Internal view of an entire rapheless valve. 407. Detail of the areolae on the external of the rapheless valve. 408. Internal areola openings with fine hymenate structures. Scale bars 1 μm (405–406), 0.2 μm (407–408).
FIGURES 293–351 in Five new Achnanthidiaceae species (Bacillariophyta) from Jiuzhai Valley, Sichuan Province, Southwestern China
FIGURES 293–351. Achnanthidium subtilissimum sp. nov. 293–318. LM of raphe valve. 319–347. LM of rapheless valve. 300, 328. Holotype. 348–351. SEM views of raphe valve. 348. External view of an entire raphe valve. 349. Detail of the areolae on the external of the raphe valve. 350. Internal view of an entire raphe valve. 351. Internal areola openings with fine hymenate structures. Scale bars 10 μm (293–347), 1 μm (348, 350), 0.1 μm (349, 351).
FIGURES 290–292 in Five new Achnanthidiaceae species (Bacillariophyta) from Jiuzhai Valley, Sichuan Province, Southwestern China
FIGURES 290–292. Achnanthidium limosua sp. nov. SEM views of rapheless valve. 290. External view of an entire rapheless valve. 291. Detail of the areolae on the external of the rapheless valve. 292. Internal view of an entire rapheless valve. Scale bars 1 μm (290, 292), 0.1 μm (291).
FIGURES 223–226 in Five new Achnanthidiaceae species (Bacillariophyta) from Jiuzhai Valley, Sichuan Province, Southwestern China
FIGURES 223–226. Achnanthidium epilithica sp. nov. SEM views of raphe valve. 223. External view of an entire raphe valve. 224. Internal view of an entire raphe valve. 225. Detail of the areolae on the external of the raphe valve. 226. Internal areola openings with fine hymenate structures. Scale bars 2 μm (223), 1 μm (224), 0.2 μm (225–226).
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Allen Brain Atlas
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