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1,235 results for “Brazilian Amazon”
FIGURE 5 in Rhynchospora seccoi, a new species of Rhynchospora sect. Tenues (Cyperaceae) from Brazilian Amazon (Serra dos Carajás, Pará State)
FIGURE 5. Scanning Electron Micrographs (SEM) of nutlets. A. Rhynchospora seccoi (Nunes et al. 21 MG). B. Rhynchospora tenuis (Davidse et al. 17560 - MG). C. Rhynchospora riparia (Glaziou 15591 - MG).
FIGURE 2 in Maranta sophiana (Marantaceae), a new species from the Brazilian Amazon
FIGURE 2. Holotype of Maranta sophiana (NY barcode 01292260). Photo courtesy of the New York Botanical Garden.
FIGURE 1. Maranta sophiana. A in Maranta sophiana (Marantaceae), a new species from the Brazilian Amazon
FIGURE 1. Maranta sophiana. A. habit; B. florescence prophyll; C. stamen with appendix; D. cucullate staminode; E. callose staminode; F. and G. Outer staminodes; H. pistil.
FIGURE 4 in Maranta sophiana (Marantaceae), a new species from the Brazilian Amazon
FIGURE 4. Key morphological features of Maranta sophiana. A. Fruits; B. Ovary; C. Scanning microscopy detailing a ridged ovary.
FIGURE 2. Sipaneopsis duckei. A in Two new species of the tribe Sipaneeae (Rubiaceae) from white-sand areas of Brazilian and Colombian Amazon
FIGURE 2. Sipaneopsis duckei. A. Branch with two frondose inflorescences and one infructescence (note last fruit on the infructescence). B. Stipule. C. Detail of an inflorescence. D. Flower at early stage of anthesis. E. Flower at intermediate stage of anthesis. F. Flower at final stage of anthesis, with corolla lobes reflexed, and receptive stigmas. G. Indehiscent fruit, fallen off as dispersal unit. A–B: drawn from Egler 273 (MG); C, G: drawn from Rosa & Lira 2268 (MG); D–F: drawn from Prance et al. 28853 (US). Illustration by Piero Delprete.
FIGURE 1. Dendrosipanea prancei. A. Branch with terminal, frondose inflorescence. B–C in Two new species of the tribe Sipaneeae (Rubiaceae) from white-sand areas of Brazilian and Colombian Amazon
FIGURE 1. Dendrosipanea prancei. A. Branch with terminal, frondose inflorescence. B–C. Stipule shapes present on the same branch. D. Detail of inflorescence branch, with secondary branches subtended by two leaf-like bracts (i.e., pherophylls). E. Flower in anthesis. F. Dissected long-styled flower, with stamens inserted at basal portion of corolla tube. A–D: drawn from Prance et al. 16199 (F, S); E–F: drawn from Prance et al. 15472 (US). Illustration by Piero Delprete.
FIGURE 4 in Pleroma carajasense (Melastomataceae), a new species endemic to ironstone outcrops in the Brazilian Amazon
FIGURE 4. SEM images of trichomes and seeds of Pleroma carajasense. A-C. Trichomes on the leaf adaxial surface. D-F. Trichomes on the leaf abaxial surface. G. Seed, lateral view. H. Seed, raphal view. (A, E: Lobato 3896; B, D, F: Rocha 71; C: Silva1792; G, H: Goldenberg 2237).
FIGURE 1 in Pleroma carajasense (Melastomataceae), a new species endemic to ironstone outcrops in the Brazilian Amazon
FIGURE 1. Images based on the holotype (A, C, E, F, G, H, I and K) and paratypes (B, D, J and L) of Pleroma carajasense. A. Branch. B, C, D. Variation in size and shape of the leaves, with corresponding variation of indumentum on both leaf surfaces (adaxial surface: B1, C1, D1, and abaxial surface B2, C2, C2). E. Indumentum on the branch. F. Variation in size and shape of the bracteoles (abaxial surface). G. Flower bud. G1. Detail of the indumentum on the hypanthium, abaxial surface. H. Hypanthium, adaxial surface. I. Stamens with glabrous filaments. I1. Appendages of the antesepalous stamens. I2. Appendages on the antepetalous stamens. I3. Filaments of the antepetalous stamens. J. Stamens with sparsely pilose filaments. J1. Appendages of the antesepalous stamens. J2. Appendages of the antepetalous stamens. J3. Filaments of the antepetalous stamens. K. Gynoecium. K1. Stigma. K2. Detail of the ovary apex. L. Fruit. (A, C, E, F, G, H, I and K: Rocha 88; B and J: Rocha 71; D: Mota. 2927; L: Goldenberg 2237).
FIGURE 2 in Pleroma carajasense (Melastomataceae), a new species endemic to ironstone outcrops in the Brazilian Amazon
FIGURE 2. Living plant photos of Pleroma carajasense. A-C. Habitat and habit of flowering plants. D-E. Inflorescences. F. Flower with a pilose style base. G. Flower with a glabrous style. H. Fruiting plant. I. Mature fruits with persistent sepals. A-G by Pedro Viana, H-I by Renato Goldenberg.
ASSESSING THE IMPACT OF AGROINDUSTRY AND EXTRACTIVISM ON DEFORESTATION IN THE BRAZILIAN LEGAL AMAZON
<p>Database to investigate the interrelationship between deforestation in the Legal Amazon, agroindustry and extractivism in the period from 1988 to 2022.</p>
FIGURE 2 in Use of colored fruit-baited traps for trapping Cerambycidae (Coleoptera: Chrysomeloidea) reveals six new records for the state of Rondônia, southwestern Brazilian Amazon
FIGURE 2. (a) Colored traps used to collect cerambycid beetles in this study; (b) the blue, (c) yellow, (d) red, and (e) transparent traps installed in the understory (4.5 m height) of the Amazon rainforest.
FIGURE 1 in Use of colored fruit-baited traps for trapping Cerambycidae (Coleoptera: Chrysomeloidea) reveals six new records for the state of Rondônia, southwestern Brazilian Amazon
FIGURE 1. (a) Geographic location of the sampling sites of cerambycid beetles in the southwestern Brazilian Amazon, municipality of Colorado do Oeste, Rondônia, northern Brazil; (b) Habitat (Amazon rainforest fragment) where cerambycids were sampled.
FIGURES 3–8 in Use of colored fruit-baited traps for trapping Cerambycidae (Coleoptera: Chrysomeloidea) reveals six new records for the state of Rondônia, southwestern Brazilian Amazon
FIGURES 3–8. Dorsal habitus of Cerambycidae species recorded for the first time in Rondônia, northern Brazil. (3) Sphallotrichus bidens (Fabricius, 1801); (4) Cosmoplatidius abare Napp & Martins, 2006; (5) Deltosoma fernandezi Dalens & Giuglaris, 2014; (6) Chydarteres dimidiatus dimidiatus (Fabricius, 1787); (7) Corimbion nigroapicatum Martins, 1970; and (8) Neolampedusa obliquator (Fabricius, 1801).
FIGURE 1. A in Eugenia lavradensis (Myrtaceae), a new species from the Brazilian Amazon
FIGURE 1. A. Holotype of Eugenia lavradensis. (scale: 10 mm). B. Flowers (scale: 5mm). C. Fruits. (scale: 10 mm). D. Flower bud (scale: 1 mm). E. Ascending simple white trichomes.
FIGURE 6 in Novelties in Thismia (Thismiaceae) from South Brazilian Amazon with the description of a new species
FIGURE 6.—Thismia ribeiroi sp. nov.—A–D. Flowering habit. E–F. Flower detail. G. Fruiting plant. H. Flower sectioned, showing internal cavity, anthers, stigma and ovary. Photographs: A–B. Ricardo da Silva Ribeiro; C and H. Susanne Sourell; D–G. Diego Ferreira da Silva.
FIGURE 3 in Novelties in Thismia (Thismiaceae) from South Brazilian Amazon with the description of a new species
FIGURE 3.—Thismia melanomitra—A. Flowering habit. B. Fruiting habit. C. Detail of sectioned stem. D. Leaf. E. Outer tepal. F. Front view of the flower, showing outer and inner tepals (mitre). G–H. Detail of inner wall of flower tube, frontal and side view, respectively. I. Anther. J. Stigma. K. Frontal view of fruit. Based on D.F. Silva 03. Drawing by M.E. Engels.
FIGURE 5 in Novelties in Thismia (Thismiaceae) from South Brazilian Amazon with the description of a new species
FIGURE 5.—Thismia ribeiroi sp. nov.—A. Flowering habit. B. Fruiting habit. C. Leaf. D. Front view of the flower. E. Tepal. F–G. Anther, in dorsal and frontal view, respectively. H–I. Stigma, side and dorsal view, respectively. J. Fruit in dorsal view. Based on R.S. Ribeiro 212. Drawing by M.E. Engels.
FIGURE 7 in Novelties in Thismia (Thismiaceae) from South Brazilian Amazon with the description of a new species
FIGURE 7.—Thismia singeri—A–B. Flowering habit. C. Detail of the flower button. D. Flower in dorsal-lateral view. E. Dorsal view of the flower with outer tepals distended, showing annulus. F. Flower sectioned, showing internal cavity, anthers, stigma and ovary. G. Side view of the fruit. H. Frontal view of the fruit. Photographs: A, C and F–G. Susanne Sourell; B, D and G–H. Luísa Lima e Mota.
FIGURE 4 in Novelties in Thismia (Thismiaceae) from South Brazilian Amazon with the description of a new species
FIGURE 4.—Thismia melanomitra—A–B. Flowering habit. C–D. Side view of the flower, different angles. E. Dorsal view of the flower, showing mitre. F. Flower after falling of the perianth, showing stigma. G–H. Fruit. Photographs: A and F. Susanne Sourell; B–E and G–H. Luísa Lima e Mota.
FIGURE 1 in Novelties in Thismia (Thismiaceae) from South Brazilian Amazon with the description of a new species
FIGURE 1.—Thismia hyalina—A. Flowering habit. B. Fruiting habit. C. Leaf. D. Inner tepal distended. E. Inner tepal in natural position. F. Anther. G. Stigma. H. Frontal view of fruit. A, C–G based on D.F. Silva 05; B and H based on D.F. Silva 20. Drawing by M.E. Engels.
ScienceDex guides
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These curated guides explain access requirements, typical timelines, costs, and reuse considerations for widely used research datasets.
Allen Brain Atlas
Allen Brain Atlas is an Allen Institute collection of brain map atlases, datasets, APIs, and analysis tools covering mouse, human, and non-human primate brain resources.
Annotated Behaviour and Observability Dataset (ABODe)
ABODe is a University of Edinburgh DataShare dataset for behavior classification in group-housed mice using home-cage video, identities, bounding boxes, ground-plate positions, and annotator labels.
DANDI Archive for NWB datasets
DANDI is a BRAIN Initiative archive for publishing and sharing neurophysiology data, including electrophysiology, optophysiology, and behavioral data packaged as NWB and related standards.
International Brain Laboratory public data
The International Brain Laboratory public data releases expose standardized mouse decision-making experiments, including Neuropixels recordings, widefield calcium imaging, behavior, and session metadata accessed through the ONE API.
OpenNeuro
OpenNeuro is a free, open platform for sharing neuroimaging datasets, with public search, dataset pages, and download paths for web, S3, DataLad, and the OpenNeuro CLI.