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opennotspecifiedOct 2012View details →

FIGURE 1 in New record for Eriochrysis (Poaceae: Andropogoneae) in the State of Rio Grande do Sul, Brazil, and a key to the species of Eriochrysis in Brazil

FIGURE 1. Morphological details of the Eriochrysis species. A. E. cayennensis, lower glume of the sessile spikelet (Longhi-Wagner & Welker 10781, ICN). B. E. filiformis, pair of spikelets (Câmara & Filgueiras 30, ICN). C. E. holcoides, lower glume of the sessile spikelet (Longhi-Wagner & Welker 10731, ICN). D–G. E. laxa (Welker 489, ICN). D. habit. E. inflorescence. F. pair of spikelets. G. lower glume of the sessile spikelet. H. E. aff. laxa, lower glume of the sessile spikelet (Welker 487, ICN). I–J. E. villosa. I. lower glume of the sessile spikelet (Welker 328, ICN). J. lower glume of the sessile spikelet (Welker 182, ICN). K. E. warmingiana, lower glume of the sessile spikelet (Filgueiras 1902, ICN). Illustrations by Anelise Scherer and Cassiano A. D. Welker.

FIGURE 4. A in Additions to the Ricciaceae flora of Rio Grande do Sul, including two remarkable records for the Brazilian liverwort flora

FIGURE 4. A. Habit of Riccia subplana; B. Transverse section of segment showing the dark area where the sporophyte is located; C. Ventral pink scales; D. Enlarged ventral area of scales; E–F. SEM micrographs of spores. E. Proximal face; F. Detail of small ridges; G. Light microscopy micrographs of spores in distal and proximal views with detail of areoles and small ridges. Bars: A=2 mm; B=300 µm; C =2 mm; D=500 µm; E=10 µm; F=5 µm; G=10 µm.

FIGURE 3. A in Additions to the Ricciaceae flora of Rio Grande do Sul, including two remarkable records for the Brazilian liverwort flora

FIGURE 3. A. Habit of Riccia squamata; B. Detail of scales; C. Ventral black scales; D. Transverse section of segment showing inner tissue organization; E–F. SEM micrographs of spores. E. Proximal face; F. Distal face; G–H. Light microscopy micrographs. G. Distal face with detail of tuberculate ornamentation; H. Proximal face with detail of sinuose low ridges surface. Bars: A=2 mm; B=1 mm; C– D=300 µm; E–H=20 µm.

FIGURE 1. A in Additions to the Ricciaceae flora of Rio Grande do Sul, including two remarkable records for the Brazilian liverwort flora

FIGURE 1. A. Habit of Riccia boliviensis; B. Black ventral scales; C. Detail of scales; D–E. SEM micrographs of spores. D. Proximal face; E. Distal face, with details of crenulated margin (arrow); F–G. Light microscopy micrographs. F. Proximal face, with detail of sinuose ridges surface; G. Distal face with tuberculate areolate ornamentation. Bars: A=2 mm; B–C=1 mm; D–G=20 µm.

FIGURE 2. A in Additions to the Ricciaceae flora of Rio Grande do Sul, including two remarkable records for the Brazilian liverwort flora

FIGURE 2. A. Habit of Riccia iodocheila; B. Light microscopy photo of papillae at apex of thallus; C. Papillae on margins of thallus; D–E. SEM micrographs of spores D. Proximal face; E. Distal face with detail of areolate ornamentation; F. Light microscopy micrographs of spores, (left) distal face with detail of triangular tubercles, and (right) proximal face, with detail of weak trirradiate scar and crenulated margins. Bars: A=2 mm; B=500 µm; C=1 mm; D–F=20 µm.

Figure 4 in Diet and feeding behaviour of the leaf-litter frog Ischnocnema henselii (Anura: Brachycephalidae) in Araucaria rain forests on the Serra Geral of Rio Grande do Sul, Brazil

Figure 4. Relationship between mouth width of hunting Ischnocnema henselii frogs and the volume of prey animals.

Figure 3 in Diet and feeding behaviour of the leaf-litter frog Ischnocnema henselii (Anura: Brachycephalidae) in Araucaria rain forests on the Serra Geral of Rio Grande do Sul, Brazil

Figure 3. Relationship between mouth width of hunting Ischnocnema henselii frogs and length of prey animals.

Figure 1 in Diet and feeding behaviour of the leaf-litter frog Ischnocnema henselii (Anura: Brachycephalidae) in Araucaria rain forests on the Serra Geral of Rio Grande do Sul, Brazil

Figure 1. Relationship between body size (snout–vent length) and weight in Ischnocnema henselii adults.

Figure 5 in Diet and feeding behaviour of the leaf-litter frog Ischnocnema henselii (Anura: Brachycephalidae) in Araucaria rain forests on the Serra Geral of Rio Grande do Sul, Brazil

Figure 5. Prey items as found in the stomachs of adult Ischnocnema henselii frogs and composition of the litter fauna in the frogs' habitat.

opennotspecifiedMar 2023View details →

FIGURE 2 in Distribution and diversity of earthworms in different land use systems in Rio Grande do Sul, Brazil

FIGURE 2. Total species richness (red line; scale on right-had side of graph) and relative proportion (%) of native and exotic species in different land use systems in Rio Grande do Sul state, Brazil. Abbreviations and number of sites per land use are as follows: NP = native pasture (n=22), NF = native forest (n=21), RF = riparian forest (n=7), SB = stream/river bank, flooded area, fallow lowland area (n=24), EP = Eucalyptus plantation (n=7), BW = Black wattle (Acacia sp.) plantation (n=1), PP = Pinus plantation (n=8), AP=Araucaria plantation (n=2), CP = cultivated pasture (n=26), PC=perennial crops (n=14), AC = annual crops (n=35), U=urban area (n=20), VG=vegetable gardens (n=14), B=bamboo (n=3), W=organic wastes (n=12), OW=other wastes (rotten log, under fern) (n=2), L = lawn (n=4), AG=Agropastoral system (n=7).

opennotspecifiedMar 2023View details →

FIGURE 1 in Distribution and diversity of earthworms in different land use systems in Rio Grande do Sul, Brazil

FIGURE 1. Location of 124 counties with qualitative collections including identification of earthworm species in the state of Rio Grande do Sul. The species richness is presented with different shades of color, and ranges from 1 to over 20 species. Counties not sampled are shown in white. Black bold line represents the approximate southern limit of the Atlantic Forest biome and the northern limit of the Pampa biome in the state.

opennotspecifiedMar 2023View details →

FIGURE 1 in Earthworms in the conversion of natural grasslands to agropastoral systems-a preliminary study in Vale Verde, Rio Grande do Sul, Brazil

FIGURE 1. The sites in the sampling dates: a) natural grassland (NG1) in July 2018, b) agropastoral system with soybean (AP) in December 2018, c) agropastoral system with winter crops (AP) in July 2019, d) the second natural grassland (NG2) in July 2019.

opennotspecifiedMar 2008View details →

FIGURE 2 in A new species of Dendrophryniscus, Jiménez de la Espada, 1871 (Amphibia, Anura, Bufonidae) from the atlantic rain forest of Rio Grande do Sul, Brazil

FIGURE 2. Dendrophryniscus krausae sp. nov. (holotype, MCN 13809): dorsal view of head (A), lateral view of head (B), hand (C), and foot (D). Scale bars = 5 mm.

opennotspecifiedMar 2008View details →

FIGURE 1 in A new species of Dendrophryniscus, Jiménez de la Espada, 1871 (Amphibia, Anura, Bufonidae) from the atlantic rain forest of Rio Grande do Sul, Brazil

FIGURE 1. Dendrophryniscus krausae sp. nov. (holotype, MCN 13809, SVL 21.2 mm), dorsal and ventral views.

FIGURE 1 in Parodia hofackeriana (Cactaceae-Notocacteae), a new species from southwest of Rio Grande do Sul, Brazil

FIGURE 1 (A–D). Parodia hofackeriana (Oliveira & Deble 84b) in habitat. A. Side view; B. Top view; C. Overview of the population. D. Habitat (Photography: R. Pontes).

FIGURE 5 in Parodia hofackeriana (Cactaceae-Notocacteae), a new species from southwest of Rio Grande do Sul, Brazil

FIGURE 5. Distribution map of Parodia. hofackeriana and P. mueller-melchersii subsp. mueller-melchersii (Map by R. Pontes).

FIGURE 4 in Parodia hofackeriana (Cactaceae-Notocacteae), a new species from southwest of Rio Grande do Sul, Brazil

FIGURE 4. Seeds of Parodia hofackeriana, P. mammulosa and P. mueller-melchersii: hilum micropylar region, top and side view, with details of seed coat (testa). (Photography D. Metzing).

FIGURE 2 in Parodia hofackeriana (Cactaceae-Notocacteae), a new species from southwest of Rio Grande do Sul, Brazil

FIGURE 2 (A–D). Parodia hofackeriana (Oliveira & Deble 84b). A. Juvenile plant. B. Plant with buds. C. Plant with closed flowers. D. Plant with a fruit. (Photography: R. Pontes).

FIGURE 3 in Parodia hofackeriana (Cactaceae-Notocacteae), a new species from southwest of Rio Grande do Sul, Brazil

FIGURE 3 (A–D). Parodia hofackeriana (Oliveira & Deble 84b). A. Cultivated specimen; B. Detail of specimen apex in lateral view; C. Detail of the areoles; D. Longitudinal flower cut, outside (Photograph by R. Pontes).