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66 results for “Mata Atlântica”
Distribuição da fauna na Mata Atlântica
<p>Imagem com a distribuição provavél da fauna no bioma da Mata Atlântica </p>
Figura 2 in Florestas Estacionais Decíduas de Terras Baixas no Agreste da Paraíba, Brasil: Mata Atlântica, ecótono ou Caatinga?
Figura 2. Localização geográfica dos levantamentos de vegetação usados para a análise de relações florísticas das FEDTB da Paraíba. Números dentro das esferas indicam os levantamentos florísticos usados, detalhados na Tabela 1.
Figura 4 in Florestas Estacionais Decíduas de Terras Baixas no Agreste da Paraíba, Brasil: Mata Atlântica, ecótono ou Caatinga?
Figura 4. Análise de Parcimônia de Endemismo (PAE) entre diferentes levantamentos florísticos em áreas de Mata Atlântica, Caatinga e FEDTB. Anapú, Pará (Floresta Amazônica) foi usado como grupo externo. Números acima dos ramos indicam suporte de Bootstrap> 50%. Números dentro das esferas indicam os levantamentos florísticos usados, detalhados na Tabela 1.
Figura 3 in Florestas Estacionais Decíduas de Terras Baixas no Agreste da Paraíba, Brasil: Mata Atlântica, ecótono ou Caatinga?
Figura 3. Dendrograma de similaridade usando o índice de Jaccard e a técnica de ligação média de grupo (UPGMA) entre diferentes levantamentos florísticos em áreas de Mata Atlântica, Caatinga e FEDTB. Anapú, Pará (Floresta Amazônica) foi usado como grupo externo. Números dentro das esferas indicam os levantamentos florísticos usados, detalhados na Tabela 1.
Figura 1 in Florestas Estacionais Decíduas de Terras Baixas no Agreste da Paraíba, Brasil: Mata Atlântica, ecótono ou Caatinga?
Figura 1. Florestas Estacionais Decíduas de Terras Baixas e diferentes hipóteses de suas relações florísticas. A. FEDTB (Sertãozinho, Paraíba); B. FEDTB relacionadas à Caatinga; C. FEDTB relacionadas à Mata Atlântica; D. FEDTB como área ecotonal, com forte combinação de elementos da Caatinga e Mata Atlântica.
FIGURA 3 in Influência do ciclo lunar no padrão de atividade de Cuniculus paca (Rodentia: Cuniculidae) em uma floresta de Mata Atlântica no Sul do Brasil
FIGURA 3: Relação entre as fases da Lua e a hora atividade de C. paca, no Parque Nacional dos Campos Gerais, PR.
FIGURA 2 in Influência do ciclo lunar no padrão de atividade de Cuniculus paca (Rodentia: Cuniculidae) em uma floresta de Mata Atlântica no Sul do Brasil
FIGURA 2: Horário de atividade de C. paca no Parque Nacional dos Campos Gerais, PR. Linhas com abas indicam horário médio de registro e intervalo de confiança de 95%.
FIGURA 1 in Influência do ciclo lunar no padrão de atividade de Cuniculus paca (Rodentia: Cuniculidae) em uma floresta de Mata Atlântica no Sul do Brasil
FIGURA 1: Localização geográfica do Parque Nacional dos Campos Gerais, PR, indicando a distribuição das armadilhas fotográficas.
Fig. 2. Area diagram depicting relationships among the 24 in Biogeography of freshwater fishes from the Northeastern Mata Atlântica freshwater ecoregion: distribution, endemism, and area relationships
Fig. 2. Area diagram depicting relationships among the 24 coastal drainages analyzed, obtained by parsimony analysis of endemicity based on freshwater fishes. The topology represents the strict consensus of five equally parsimonious trees obtained through a heuristic search (length= 71 steps, CI = 0.521, RI = 0.709).
Fig. 1 in Biogeography of freshwater fishes from the Northeastern Mata Atlântica freshwater ecoregion: distribution, endemism, and area relationships
Fig. 1. Map showing the Northeastern Mata Atlântica ecoregion, the rivers included in the PAE, and the groups recovered from the analysis. Adjacent freshwater ecoregions are: (327) São Francisco, (329) Paraíba do Sul, and (344) Upper Paraná.
Figs. 2 A-F in Plasticidade morfológica de Myrcia splendens (S.w.) CD. (Myrtaceae) ocorrente em Mata Atlântica e Cerrado
Figs. 2 A-F. Características foliares e do lenho distintivas entre as populações de Myrcia splendens A, C, E. floresta; B, D, F. cerrado. A, B. folhas expandidas evidenciando, da esquerda para direita, menor área, área média e maior área foliar encontrada em cada ambiente; C-F. Características anatômicas do lenho; C, D. variação na freqüência e diâmetro tangencial dos vasos; E, F. comprimento do elemento de vaso. Barras: Figs. 2 A, B = 1 cm; Figs. 2 C-E = 200 µm.
Figs 1, 2 in Estágio reprodutivo, histologia e morfometria sazonal do testículo de Dermanura cinerea (Chiroptera: Phyllostomidae) em fragmento de Mata Atlântica no Litoral Sul de Pernambuco, Brasil
Figs 1, 2. Fotomicrografias do compartimento tubular e intertubular do testículo de Dermanura cinerea (Gervais, 1856) coletados em meses chuvosos (Fig. 1) e secos (Fig. 2). Observar o epitélio seminífero (ES) com células de Sertoli e da linhagem espermatogÊnica em diferentes estÁgios de maturaÇÃo, e o lÚmen (L) no compartimento tubular. Além das células de Leydig (cabeça de seta) distribuídas ao longo do compartimento intertubular (CI). ColoraÇÃo: Hematoxilina – Eosina (H.E.). Aumento total: 1000 X. Barra de escala: 300µm.
Fig. 1 in Ninhos de Atta sexdens (Hymenoptera: Formicidae) podem afetar a estrutura da assembleia de artrópodes do solo na Mata Atlântica?
Fig. 1. Esquema representativo do experimento de avaliação do impacto dos ninhos de A. sexdens (Linnaeus, 1758) na Reserva Ecológica de Guapiaçu, RJ, Brasil. O círculo representa o ninho da espécie em estudo. Os quadrados (A e B) correspondem às dez amostras de serrapilheira de 0,25 m² a intervalos de 8 m a partir da borda do ninho (0, 8, 16, 24 e 32 m), dispostas ao longo de um transecto linear (seta tracejada).
FIGURE 2 in Phylogeography of Oligosarcus acutirostris (Characiformes: Characidae): testing biogeographic hypotheses in the Northeastern Mata Atlântica freshwater ecoregion
FIGURE 2 | A. Map showing part of the Northeastern Mata Atlântica freshwater ecoregion (NMAF) and the distribution of Oligosarcus acutirostris samples analyzed in this study. Adjacent freshwater ecoregions sensu Abell et al. (2008): (327) São Francisco, (329) Paraíba do Sul, and (344) Upper Paraná. Costal paleodrainages based on Thomaz, Knowles (2018): (107) Santo Antônio + João de Tiba and (110) Mucuri + Barra Seca; B and C. Haplotype networks showing the genetic connectivity among the haplotypes of O. acutirostris, which are represented by circles, the size proportional to their frequencies. Each trace corresponds to a single mutation. Colors correspond to the sampled river basins as in Fig. 2A; B. Haplotype network based on COI dataset (604 bp, 24 specimens, 11 haplotypes). Black circles represent median vectors; C. Haplotype network based on Myh6 dataset (587 bp, 27 specimens, five haplotypes).
FIGURE 1 in Phylogeography of Oligosarcus acutirostris (Characiformes: Characidae): testing biogeographic hypotheses in the Northeastern Mata Atlântica freshwater ecoregion
FIGURE 1 | Bayesian phylogenetic trees of Oligosarcus acutirostris obtained in this study indicating the relationships among analyzes specimens. Numbers at branches are posterior probabilities. A. Topology based on mitochondrial gene cytochrome oxidase I (COI, 604 bp); B. Topology based on nuclear gene myosin heavy chain 6 cardiac muscle alpha (Myh6, 587 pb); and C. Topology based on concatenated dataset (COI+Myh6, 1,191 bp). The highlighted colors in the topologies represent each sampled river basin as indicated in the legend (below/right) and showed in Fig. 2A.
FIGURE 6 in Mata Atlântica enchytraeids (Paraná, Brazil): The genus Achaeta (Oligochaeta, Enchytraeidae)
FIGURE 6. Achaeta singularis sp. nov. A. Juvenile specimen with primordial testis (2) and ovary (3), dorsal view. Dotted areas mark perikarya in brain and ventral nerve cord. The perikarya of the ganglia in II and III are concentrated on the lateral sides. Note nephridia in VI and VII, the oesophageal appendage in V, the dorsal blood vessel in VI, and the winding intestine. From XII on the ganglia are fused among segments; 4: posterior growth zone. The outer pair of postpharyngeal bulbs was not distinguished in this specimen (comp. B). B. Anterior end, lateral view. Perikarya of ventral nerve cord, brain, and prostomial epithelial thickenings are drawn in. Ganglia of II and III are not completely separate, but there is no uniform suboesophageal ganglion over II–IV as in other Achaeta species (comp. Fig. 3B). 1: Prostomial papilla. 2: Oesophageal appendage. 3: Dorsal blood vessel origin. C. Prostomium and first segment, dorsal view. Note the brain, deeply incised anteriorly and posteriorly, and the conspicuous prostomial papillae. Here dotted areas mark the perikarya-free areas. Laterally and posteriad, the prostomial epithelial protrusions gradually merge into the lateral line. D. The brain as seen in living specimens. E. Anterior nephridia, lateral view. - F. Posterior nephridia, ventral view. G. Coelomocytes and piles of rod-shaped structures. D and G are freehand sketches from living specimens, the rest is from stained whole mounts.
FIGURE 5 in Mata Atlântica enchytraeids (Paraná, Brazil): The genus Achaeta (Oligochaeta, Enchytraeidae)
FIGURE 5. Achaeta paranensis sp. nov. A. Anterior body region, lateral view, mature specimen. Spermatheca (1) and nephridium (2) are shaded grey here. The prostomial epithelium is drawn as seen in sagittal optical section; the left prostomial papilla as seen in parasagittal optical section is indicated by a dotted line (3). The region above the dotted line in the brain (4) is filled with perikarya; beneath is the neuropile. Dorsal (5) and ventral (6) epidermal glands are different; lateral glands are not shown here. The circumferal intestinal diverticulum (7) is enclosed by mesodermal tissue and blood lacunae (8); 9: oesophageal appendage; 10: dorsal blood vessel. B. Prostomium with brain and prostomial papillae (1) of a juvenile specimen. C. Coelomocyte, ca. 27 µm long. D, E. Segments IV–VII, lateral view (D) and dorsal view (E), with circumferal intestinal diverticulum and spermathecae. F. Posterior body region with nephridium and pars tumida of midgut epithelium (1); 2: intestinal lumen; 3: ventral nerve cord; 4: chloragocytes. G, H. Hindmost segments with pygidium, in sagittal (G) and parasagittal (H) optical section; sketches from same whole-mounted specimen. I. Clitellar region, lateral view. C–E freehand sketches from living specimens, A, B, F–I from stained whole mounts. Bars =100 µm, bar in A valid also for B, F, I; one bar for G, H. C-E without bar.
FIGURE 1 in Mata Atlântica enchytraeids (Paraná, Brazil): The genus Achaeta (Oligochaeta, Enchytraeidae)
FIGURE 1. Location of the 'Reserva Natural Rio Cachoeira', study area and type locality of Achaeta hanagarthi, A. paranensis and A. singularis spp. nov.
FIGURE 2. Achaeta piti Bittencourt, 1974, specimens from the Cachoeira Natural Reserve. B in Mata Atlântica enchytraeids (Paraná, Brazil): The genus Achaeta (Oligochaeta, Enchytraeidae)
FIGURE 2. Achaeta piti Bittencourt, 1974, specimens from the Cachoeira Natural Reserve. B is a freehand sketch from living specimens, the rest is from stained whole mounts. Bar = 100 µm, valid for A, C, D. A. Submature specimen, side view, anterior 9 segments, with thick body wall and dorsally thick cuticle (1). There are dorsal, lateral and ventral pyriform glands (2,3,4, respectively; only glands of left body side shown). The ventral glands insert more posteriorly than dorsal and lateral glands. The dorsal blood vessel (5) begins at 1/3 VIII in this specimen. The thickened septa in 4/5–7/8 are a constant feature of this species. 6: Oesophageal appendage; 7: pharyngeal gland; 8: postpharyngeal bulb; 9: brain; 10: suboesophageal ganglion; 11: ganglion of segment V. Perikarya are omitted here, they are as in Figs 3B, 4A. 12: nephridia; 13: intestine with chloragocytes; 14: spermatheca with ectal asymmetry; 15: recesses in frontal prostomial epithelium. B. Oesophageal appendage and pharyngeal glands, dorsal view, as seen in a living specimen. The two separately winding canals in IV, one for each glomerulus in V, were already mentioned in the original description. C. Postclitellar nephridia, side view. The organs lie in consecutive segments, one to the left, one to the right. D. Clitellum and male reproductive system, side view, specimen with thick body wall and cuticle. The dorsal pyriform gland of XI is drawn in (1). The clitellar border cells (2) extend farther ventrally than the granulocytes.
FIGURES 20–25 in Four new species of Saetherocladius Andersen et Mendes from Mata Atlântica, Brazil (Diptera: Chironomidae: Orthocladiinae)
FIGURES 20–25. Saetherocladius urubiciensis sp. n., male. 20—tentorium, stipes and cibarial pump; 21—thorax; 22— wing; 23—anal point and tergite IX and dorsal aspect of left gonocoxite and gonostylus; 24—hypopygium with tergite IX and anal point removed, dorsal aspect to the left, ventral aspect to the right; 25—gonostylus with crista dorsalis projecting upwards.
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