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53 results for “halophyte”
Data from: Kúr et al. (2023) Cryptic invasion suggested by cytogeographic analysis of the halophytic Puccinellia distans complex (Poaceae) in Central Europe
<p>A collection of flow cytometry standard (FCS) files generated during the cytogeographic analysis of the halophytic Puccinellia distans complex (Poaceae) in Central Europe. The data was generated as part of the research published in Kúr et al. (2023) Cryptic invasion suggested by cytogeographic analysis of the halophytic Puccinellia distans complex (Poaceae) in Central Europe [in prep.]</p>
Data from: Manipulating saltmarsh microtopography modulates the effects of elevation on sediment redox potential and halophyte distribution
1. Halophyte distributions on saltmarshes are strongly related to elevation in the tidal frame. However, collinearity between elevation, the consequent inundation regime, and sediment waterlogging/redox potential obscures the proximate causes of distribution patterns. We sought to distinguish the effects of elevation per se from those of waterlogging by manipulating microtopography. 2. We experimentally manipulated elevation by ±15 cm at locations that spanned the elevation ranges of three saltmarshes recently reactivated by managed coastal realignment. Experimental plots were initially cleared of any vegetation. Elevation and sediment redox potential were determined for each plot. We planted five perennial species (Armeria maritima, Atriplex portulacoides, Limonium vulgare, Plantago maritima and Triglochin maritima) in half of the plots, recording survival over four years, and monitored natural colonisation of the other plots. 3. Overall, redox potential increased with elevation. Sediments were more oxidising in raised plots and more reducing in lowered plots. Redox reductions in lowered plots were in line with those that would be predicted from the overall redox/elevation relationship, but increases in raised plots were greater than predicted from elevation alone. 4. Plant colonisation and survival was poorer in lowered plots and, for most species, improved in raised plots. This can, in part, be attributed to the concomitant alterations in redox potential and elevation in the tidal frame, but microtopographic manipulation also had substantial independent effects on plant performance, including on the survival of all planted species and the colonisation of Puccinellia maritima, Salicornia europaea agg. and Tripolium pannonicum. 5. Synthesis: Microtopography can have effects on sediment chemistry and plant performance similar in magnitude to those of overall tidal elevation. Understanding how its effects modulate the relationship between tidal elevation, redox and other environmental conditions helps clarify the abiotic factors that fundamentally determine halophyte colonisation and survival. These results support the use of topographic manipulation to enhance the diversity of created saltmarshes.
FIGURE 3. Portulaca ragonesei. A in Rediscovery of a halophytic endemic and rare species of Portulaca (Portulacaceae) from central Argentina: morphology and its phylogenetic position
FIGURE 3. Portulaca ragonesei. A. Habit; B. Young sprout; C. Flower buds; D. Flower, lateral view; E. Flower, upper view; F. Stigma; G. Pixidia (one fruit complete and the others without the operculum); H. Seed. Drawn by L. Ribulgo.
FIGURE 2 in Rediscovery of a halophytic endemic and rare species of Portulaca (Portulacaceae) from central Argentina: morphology and its phylogenetic position
FIGURE 2. Morphology of Portulaca ragonesei. A. Taproot; B. Leaves; C. Buds; D. Flower, lateral view; E. Flower showing calyx; F. Flower, longitudinal section; G. Flower, upper view; H. Fruit; I. Post-dehiscent fruits. J. Seed.
FIGURE 4 in Rediscovery of a halophytic endemic and rare species of Portulaca (Portulacaceae) from central Argentina: morphology and its phylogenetic position
FIGURE 4. Evolutionary relationships of Portulaca ragonesei. Bayesian allcompat tree from analysis of a combined data matrix of ITS, ndhF, psbD-trnT spacer, and ndhA intron sequences. A black arrow shows the position of P. ragonesei in the phylogeny.
FIGURE 1 in Rediscovery of a halophytic endemic and rare species of Portulaca (Portulacaceae) from central Argentina: morphology and its phylogenetic position
FIGURE 1. Distribution map of Portulaca ragonesei. A. Cuenca Saliniana (Córdoba, Argentina). B. Halophytic bushland in Salina of Ambargasta. C. Habit of P. ragonesei.
Fig. 2 in Nitrogen fertilization: Effect on Cd-phytoextraction by the halophytic plant quail bush [Atriplex lentiformis (Torr.) S. Wats] *
Fig. 2. Total chlorophyll and proline content in leaves of A. lentiformis plants. Means (±standard deviation, n = 4) denoted by different letters are significantly different at P <0.05.
Fig. 1 in Nitrogen fertilization: Effect on Cd-phytoextraction by the halophytic plant quail bush [Atriplex lentiformis (Torr.) S. Wats] *
Fig. 1. Cadmium concentrations in the roots and shoots of A. lentiformis plants. Means (±standard deviation, n = 4) denoted by different letters are significantly different at P <0.05.
Fig. 4 in Nitrogen fertilization: Effect on Cd-phytoextraction by the halophytic plant quail bush [Atriplex lentiformis (Torr.) S. Wats] *
Fig. 4. Relationships between shoot Cd concentrations and chlorophyll (A) and proline (B) in leaves of A. lentiformis plants.
Fig. 3 in Nitrogen fertilization: Effect on Cd-phytoextraction by the halophytic plant quail bush [Atriplex lentiformis (Torr.) S. Wats] *
Fig. 3. Total phenolic and oxalic acid content in leaves of A. lentiformis plants. Means (±standard deviation, n = 4) denoted by different letters are significantly different at P <0.05.
Data from: Demographic expansion and genetic load of the halophyte model plant Eutrema salsugineum
Eutrema salsugineum is a widely distributed species, which provide a good model to study long-distance dispersal and accumulation of deleterious mutations. Based on population genomic data, we clarified demographic history of E. salsugineum and showed how deleterious alleles accumulated.
Figure 1 in Radiation in the halophytic coenoses of the Peri-Tethys: taxonomy and biogeography of the genus Ita (Coleoptera: Curculionidae)
Figure 1. Measurements. (A) Body length (1), rostrum length (2) and elytra length (3); (B) rostrum length from base to antennal insertion (1); (C) rostrum width at base (1); rostrum width at antennal insertion (2); rostrum width at apex (3).
Figure 22 in Radiation in the halophytic coenoses of the Peri-Tethys: taxonomy and biogeography of the genus Ita (Coleoptera: Curculionidae)
Figure 22. Distribution of the species native to western Asia. Map elaborated with DIVA-GIS software and enhanced with Photoshop CS-3.
Figure 25 in Radiation in the halophytic coenoses of the Peri-Tethys: taxonomy and biogeography of the genus Ita (Coleoptera: Curculionidae)
Figure 25. Phylogenetic hypothesis for the species of Ita based on Maximum Parsimony. Numbers at the nodes show bootstrap support percentages (1000 replicates); CI = 0.64; RI = 0.68; RC = 0.44.
Figure 21 in Radiation in the halophytic coenoses of the Peri-Tethys: taxonomy and biogeography of the genus Ita (Coleoptera: Curculionidae)
Figure 21. Distribution of the species native to the western Mediterranean and Macaronesia. Map elaborated with DIVA-GIS software and enhanced with Photoshop CS-3.
Figure 24 in Radiation in the halophytic coenoses of the Peri-Tethys: taxonomy and biogeography of the genus Ita (Coleoptera: Curculionidae)
Figure 24. Ita chavanoni sp. nov. crawling on the stem of the host plant, Salicornia fruticosa (photo M. Meregalli).
Figure 23 in Radiation in the halophytic coenoses of the Peri-Tethys: taxonomy and biogeography of the genus Ita (Coleoptera: Curculionidae)
Figure 23. Habitat of Ita chavanoni, Tamlelt basin, south of Mengoud (Bouârfa) (photo M. Meregalli).
Figure 2 in Radiation in the halophytic coenoses of the Peri-Tethys: taxonomy and biogeography of the genus Ita (Coleoptera: Curculionidae)
Figure 2. Morphology of the genus Ita. (A) Aedeagus of I. hispanica; (B) male sternum VIII and IX of I. hispanica; (C) mouth parts of I. hispanica; (D) female sternum VIII of I. chavanoni; (E) hemisternites IX and styli of I. chavanoni; (F) spermatheca of I. chavanoni; (G) onychium, claws and (H) detail of claw of I. chavanoni. Scale bar: (A) 250 µm; (B–E; G) 100 µm; (F) 50 µm.
Fig. 2 in Balance of Δ -and Δ -sterols and stanols in halophytes in connection with salinity tolerance
Fig. 2. GCxGC–MS chromatogram of silylated free sterols from S. perennans (A) and projection of the GCxGC–MS chromatogram down to two dimensions (B). Peak numbers are as used in Fig. 1. The x-axis is the ZB-5ms column retention time (min), and the y-axis is the Rxi-17 column retention time (s).
Fig. 3. Ordination diagram for discriminant analysis using the P in Balance of Δ -and Δ -sterols and stanols in halophytes in connection with salinity tolerance
Fig. 3. Ordination diagram for discriminant analysis using the P <0.05 chisquare subset; 21 cases were used to develop a model to discriminate among the 3 types of halophytes. Six predictor variables were entered: campesterol, β-sitosterol, stigmasterol, and the sum of Δ5 -, Δ7-and Δ0-STs. Eu – euhalophytes (n = 11), Re – recretophytes (n = 5), Ex – salt excluders (n = 5).
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International Brain Laboratory public data
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OpenNeuro
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