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37 results for “Pampa Grasslands”
FIGURE 2. A–G in Dyckia pampeana, a new species of Bromeliaceae (Pitcairnioideae) from Pampa grasslands of Brazil and Uruguay
FIGURE 2. A–G. Dyckia pampeana Büneker. A. Habitat. B. Clumps formed by vegetative propagation through stolons (Büneker 478 et al.). C. Rosette of an individual (Büneker 478 et al.). D. Specimens in habitat (Büneker 276 et al.). E. Inflorescence detail with 3 open flowers (Büneker 271 et al.). F. Inflorescence branches detail (Büneker 150 et al.). G. Inflorescence fertile portion (Büneker 276 et al.).
FIGURE 4 in Dyckia pampeana, a new species of Bromeliaceae (Pitcairnioideae) from Pampa grasslands of Brazil and Uruguay
FIGURE 4. Comparison of inflorescences of three similar species. A. Dyckia remotiflora Otto & Dietrich (Büneker 371 et al.). B. Dyckia pampeana Büneker (Büneker 271 et al.). C. Dyckia leptostachya Baker (Burle Marx s.n.).
FIGURE 26 in Systematic revision of the Neotropical catfish genus Scleronema (Siluriformes: Trichomycteridae), with descriptions of six new species from Pampa grasslands
FIGURE 26 | Scleronema teiniagua, holotype (ZVC-P 14522; 45.2 mm SL) Uruguay, Artigas, arroyo Tres Cruzes, río Cuareím basin, lower río Uruguay.
FIGURE 21 in Systematic revision of the Neotropical catfish genus Scleronema (Siluriformes: Trichomycteridae), with descriptions of six new species from Pampa grasslands
FIGURE 21 | Scleronema operculatum (UFRGS 18086; 40.0 mm SL), Brazil, Rio Grande do Sul, Rosário do Sul, sanga Santo Antônio, tributary to rio Ibicuí da Armada, lower rio Uruguay.
FIGURE 20 in Systematic revision of the Neotropical catfish genus Scleronema (Siluriformes: Trichomycteridae), with descriptions of six new species from Pampa grasslands
FIGURE 20 | Scleronema minutum, paratype of Pygidium angustirostris (MNRJ 3605; 32.4 mm SL), Uruguay, Paysandú, cañada de las Piedras Blancas, tributary to río Queguay, lower rio Uruguay.
FIGURE 10 in Systematic revision of the Neotropical catfish genus Scleronema (Siluriformes: Trichomycteridae), with descriptions of six new species from Pampa grasslands
FIGURE 10 | Dorsal view of the head of A. Scleronema macanuda, new species, paratype (UFRGS 21635; 75.6 mm SL) and B. S. operculatum (UFRGS 19646; 56.1 mm SL) showing the pores of the laterosensory system.
FIGURE 4 in Systematic revision of the Neotropical catfish genus Scleronema (Siluriformes: Trichomycteridae), with descriptions of six new species from Pampa grasslands
FIGURE 4 | Geographical distribution of the genus Scleronema. Circles and squares indicate species of the S. minutum group and S. operculatum group, respectively. Some symbols represent more than one collection locality. AR = Argentina; BR = Brazil; PY = Paraguay; UY = Uruguay.
FIGURE 12 in Systematic revision of the Neotropical catfish genus Scleronema (Siluriformes: Trichomycteridae), with descriptions of six new species from Pampa grasslands
FIGURE 12 | Scleronema mate, new species, holotype (MCP 54183; 49.3 mm SL), Brazil, Rio Grande do Sul, Venâncio Aires, arroio Grande, tributary of arroio Castelhano, rio Taquari basin, laguna dos Patos system.
FIGURE 24 in Systematic revision of the Neotropical catfish genus Scleronema (Siluriformes: Trichomycteridae), with descriptions of six new species from Pampa grasslands
FIGURE 24 | Scleronema operculatum, holotype (FMNH 58080; 65.9 mm SL), Brazil, Rio Grande do Sul, Cacequi, rio Cacequi, tributary to rio Santa Maria, rio Ibicuí basin, lower rio Uruguay. Photograph taken by Sandra Raredon.
FIGURE 2 in Systematic revision of the Neotropical catfish genus Scleronema (Siluriformes: Trichomycteridae), with descriptions of six new species from Pampa grasslands
FIGURE 2 | Ventral view of the autopalatine (au) and vomer (vo) of Scleronema operculatum (UFRGS 19654) showing the articulation ventrally located between these two bones (black arrow). Scale bar = 1 mm.
FIGURE 1 in Systematic revision of the Neotropical catfish genus Scleronema (Siluriformes: Trichomycteridae), with descriptions of six new species from Pampa grasslands
FIGURE 1 | Lateral view of A. Scleronema macanuda, new species, paratype (ZVC-P 9374; 74.5 mm SL) and B. S. milonga, new species, holotype (MCP 54165; 37.8 mm SL) showing the thick fleshy flap in the base of the maxillary barbel (red arrows), the skin flap in the posterior margin of the opercle (black arrows), the dorsal membrane in the caudal peduncle (white arrows), and the vertical black bar in the caudal fin (blue arrow).
FIGURE 7 in Systematic revision of the Neotropical catfish genus Scleronema (Siluriformes: Trichomycteridae), with descriptions of six new species from Pampa grasslands
FIGURE 7 | Scleronema guapa just after the fixation in formalin, paratype (UFRGS 18087, 32.0 mm SL), Brazil, Rio Grande do Sul, Rosário do Sul, sanga Santo Antônio, tributary to rio Ibicuí da Armada, lower rio Uruguay.
FIGURE 23 in Systematic revision of the Neotropical catfish genus Scleronema (Siluriformes: Trichomycteridae), with descriptions of six new species from Pampa grasslands
FIGURE 23 | Scleronema operculatum, paratype (FMNH 58520; 58.6 mm SL), Brazil, Rio Grande do Sul, Cacequi, rio Cacequi, tributary to rio Santa Maria, rio Ibicuí basin, lower rio Uruguay. Photograph taken by Sandra Raredon.
FIGURE 18 in Systematic revision of the Neotropical catfish genus Scleronema (Siluriformes: Trichomycteridae), with descriptions of six new species from Pampa grasslands
FIGURE 18 | Specimens in life of Scleronema minutum (A. UFRGS 22100; 37.4 mm SL, Santana da Boa Vista, arroio das Neves, B. UFRGS 22128; 39.4 mm SL, arroio Igrejinha), Brazil, Rio Grande do Sul.
FIGURE 3 in Dyckia pampeana, a new species of Bromeliaceae (Pitcairnioideae) from Pampa grasslands of Brazil and Uruguay
FIGURE 3. Distribution map of Dyckia pampeana in Brazil and Uruguay.
NPP Grassland: Pampa De Leman, Argentina, 1980-1982, R1
This data set contains two ASCII files (.txt format). One file contains monthly productivity data measured on an arid dwarf-shrub steppe in northern Patagonia, Argentina from August 1980 to March 1982. The second file contains climate data recorded at a weather station set up onsite for the duration of the NPP study.Dynamics of above-ground biomass, dead matter, and litter were monitored at Pampa de Leman (-45.43 S, -69.83 W, Elevation 400 m) at monthly or bi-monthly intervals in a 1.5-hectare exclosure area protected from sheep grazing. The vegetative community is dominated by the dwarf shrub Nassauvia glomerulosa, with two grasses (Poa dusenii and Hordeum comosum).Annual above-ground net primary productivity (ANPP) of 78 g/m2/yr was estimated from the sum of the increase in above-ground biomass, dead matter, and litter.
Subspecies and Distribution. A. g. guariba Humboldt, 1812 — Brazilian Atlantic Forest from the Rio Sao Francisco (although the Rio Paraguacu is the northernmost known locality) to the Rio Doce; however, based on his studies of morphology and pelage color patterns Gregorin in 2006 indicated that it extends from the Rio Paraguacu in Bahia State, S along the coast across the lower Rio Jequitinhonha extending inland somewhat into Minas Gerais State, S through the Rio Doce valley as far the Rio Paraiba do Sul Basin in Rio de Janeiro. A. g. clamitans Cabrera, 1940 — Brazilian Atlantic Forest S of Rio Doce (but Gregorin has recently identified howlers of the upper Rio Doce, Rio Matip6 and Caratinga, and the middle and upper Rio Jequitinhonha as marking the N limits of this subspecies) through the S of Espirito Santo to Rio de Janeiro, Sao Paulo, Parana, Santa Catarina, and Rio Grande do Sulstates (S limit is Rio Camaqua Basin in Rio Grande do Sul, 31° 10" S, where the Atlantic Forest gives way to the Pampas grasslands), and inland in the forested E of Minas Gerais ("Zona da Mata") and the Brazilian Highlands; also in NE Argentina (E of the Mts in Misiones Province to ¢.28° S). in Atelidae
Subspecies and Distribution. A. g. guariba Humboldt, 1812 — Brazilian Atlantic Forest from the Rio Sao Francisco (although the Rio Paraguacu is the northernmost known locality) to the Rio Doce; however, based on his studies of morphology and pelage color patterns Gregorin in 2006 indicated that it extends from the Rio Paraguacu in Bahia State, S along the coast across the lower Rio Jequitinhonha extending inland somewhat into Minas Gerais State, S through the Rio Doce valley as far the Rio Paraiba do Sul Basin in Rio de Janeiro. A. g. clamitans Cabrera, 1940 — Brazilian Atlantic Forest S of Rio Doce (but Gregorin has recently identified howlers of the upper Rio Doce, Rio Matip6 and Caratinga, and the middle and upper Rio Jequitinhonha as marking the N limits of this subspecies) through the S of Espirito Santo to Rio de Janeiro, Sao Paulo, Parana, Santa Catarina, and Rio Grande do Sulstates (S limit is Rio Camaqua Basin in Rio Grande do Sul, 31° 10" S, where the Atlantic Forest gives way to the Pampas grasslands), and inland in the forested E of Minas Gerais ("Zona da Mata") and the Brazilian Highlands; also in NE Argentina (E of the Mts in Misiones Province to ¢.28° S).
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