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opencc-by-4.0Feb 2010View details →

Fig. 1 in Flow seasonality and fish assemblage in a tropical river, French Guiana, South America

Fig. 1. Localization of the sampling sites on the Comté River, French Guiana. A = upstream site; B = downstream site; HS = Hydrological station.

opencc-by-4.0Dec 2009View details →

Fig. 3 in Mercury distribution in different tissues and trophic levels of fish from a tropical reservoir, Brazil

Fig. 3. Mean concentrations and ratios of mercury in different tissues of omnivorous (a), carnivorous (b), and detritivorous fishes (c) collected from Vigário Reservoir. Error bars represent one standard deviation of the mean.

opencc-by-4.0Dec 2009View details →

Fig. 1 in Mercury distribution in different tissues and trophic levels of fish from a tropical reservoir, Brazil

Fig. 1. Map of Vigário reservoir, showing its drainage basin (Piraí river, Paraíba do Sul river and Santana reservoir). Black arrows indicate the water flow. (Source: Gomes et al., 2008).

opencc-by-4.0Dec 2009View details →

Fig. 2 in Mercury distribution in different tissues and trophic levels of fish from a tropical reservoir, Brazil

Fig. 2. Mean concentrations and ratios of mercury in muscle of fish collected from Vigário reservoir. Different letters indicate significant difference between groups: inorganic (ab) and organic mercury concentrations (xyz), and ratios of organic mercury (αβγ). Error bars represent the standard deviation of the mean.

Fig. 1 in Effects of tourist visitation and supplementary feeding on fish assemblage composition on a tropical reef in the Southwestern Atlantic

Fig. 1. Non-Metric Multi-Dimensional Scaling (MDS) plot of fish assemblages samples of the Picãozinho reef in each of the two studied situations. Dark triangles = PT (presence of tourists) and light triangles = AT (absence of tourists).

Fig. 3 in Habitat selection by anchovies (Clupeiformes: Engraulidae) in a tropical bay at Southeastern Brazil

Fig. 3. Canonical correspondence analysis ordination diagram of juvenile Engraulidae abundance data, with environmental variables. Bay Zones: Sites 1, 2 and 3 (outer); 4 and 5 (inner).

Fig. 4 in Habitat selection by anchovies (Clupeiformes: Engraulidae) in a tropical bay at Southeastern Brazil

Fig. 4. Canonical correspondence analysis ordination diagram of adults Engraulidae abundance data, with environmental variables. Samples coded by seasons.

Fig. 2 in Habitat selection by anchovies (Clupeiformes: Engraulidae) in a tropical bay at Southeastern Brazil

Fig. 2. Spatial and seasonal densities of juveniles A. januaria (o) and A. tricolor (l) in the Sepetiba Bay, 1998/2000. Each sample (mark in the graphic) represents the total number of fish.

Fig. 1 in Habitat selection by anchovies (Clupeiformes: Engraulidae) in a tropical bay at Southeastern Brazil

Fig. 1. Study area, Sepetiba Bay, Brazil, with indication of the beach seine sampling sites (1-5). a - rio Prata; b - rio Corumbi; c - rio Cação; d - rio Mazomba; e - rio Guarda; f - canal São Francisco; g - canal Guandu; h - canal Itá; i - rio Piraquê; j - rio Piracão.

opencc-by-4.0Dec 2006View details →

Fig. 1 in Fishes associated with spinner dolphins at Fernando de Noronha Archipelago, tropical Western Atlantic: an update and overview

Fig. 1. Six selected fish species recorded in association with spinner dolphins (Stenella longirostris) at Fernando de Noronha Archipelago. Black durgon (Melichthys niger), a particle-forager and browser that feeds on dolphin wastes habitually in the Dolphins' Bay (a). Photo by I. Sazima. Scaled sardine (Harengula jaguana), a particle-forager that feeds on dolphin wastes occasionally while the dolphins cruise close to sandy beaches (b). Photo by C. Sazima. Bermuda chub (Kyphosus sectatrix), a browser and particle-forager that feeds on dolphin wastes occasionally in the Dolphins' Bay (c). Photo by C. Sazima. Black jack (Caranx lugubris), a roving carnivore that feeds on dolphin wastes occasionally in the Dolphins' Bay (d). Photo by J. P. Krajewski. Whalesucker (Remora australis), a hitch-hiker on cetaceans that forages on spinner dolphin wastes and cleans them of parasites and dead tissue (e). Photo by J. M. Silva Jr. Yellowfin tuna (Thunnus albacares), a roving carnivore that joins spinner dolphins while the latter forage for schooling fish and squids in their hunting grounds around the archipelago (f). Photo by G. Marcovaldi (Banco de Imagens Projeto TAMAR-IBAMA).

Fig. 5. Correlation between PCA axis 1 in Fish assemblages of tropical floodplain lagoons: exploring the role of connectivity in a dry year

Fig. 5. Correlation between PCA axis 1 and species richness (a), density (b), and biomass (c) in connected [February (), May (), November ()] and disconnected lagoons, May (), August (), November ()]. Arrows indicate the direction of the limnological variables influence.

Fig. 4 in Fish assemblages of tropical floodplain lagoons: exploring the role of connectivity in a dry year

Fig. 4. DCA ordination of sample sites by month in connected [February (), May (), November ()] and disconnected lagoons [, May (), August (), November ()]. Arrows indicate the direction of influence of species in the ordination.

Fig. 2 in Fish assemblages of tropical floodplain lagoons: exploring the role of connectivity in a dry year

Fig. 2. Daily variation of pluviometric (a) and hydrometric levels (c) of the Paraná River in 2000, measured at Porto São José municipality, and difference between mean monthly pluviometric (b) and hydrometric levels (d) in 2000 (x) and the last 10 1 years (x). Data supplied by DNAEE (Departamento Nacional de Águas e Energia Elétrica). Dashed line indicates water level 2 required for initial inundation of the floodplain (Veríssimo, 1994).

Fig. 1 in Fish assemblages of tropical floodplain lagoons: exploring the role of connectivity in a dry year

Fig. 1. Study area with location of sampling sites in connected (1-6) and disconnected lagoons (7-15): 1 (Leopoldo),

Figure 3 in Assessing the taxonomic status of tropical frogs through bioacoustics: geographical variation in the advertisement calls in the Eleutherodactylus discoidalis species group (Anura)

Figure 3. Discriminant function analyses of the number of pulses, call length, and dominant frequency of species belonging to the Eleutherodactylus discoidalis group. Ellipses only intend to facilitate the observation of groups. BV, Eleutherodactylus cf. cruralis from the Bellavista Mountains; EC, Eleutherodactylus cruralis; ED, Eleutherodactylus discoidalis; EI, Eleutherodactylus ibischi; HO, Eleutherodactylus cf. cruralis from La Hoyada; EM, Eleutherodactylus madidi.

Figure 2 in Assessing the taxonomic status of tropical frogs through bioacoustics: geographical variation in the advertisement calls in the Eleutherodactylus discoidalis species group (Anura)

Figure 2. Oscillogram and sound spectrogram of the advertisement call of: (A) Eleutherodactylus cruralis from Rurrenabaque, Amazonian rainforest; (B) E. cf. cruralis from Bellavista Mountains; (C) E. cf. cruralis from La Hoyada; (D) Eleutherodactylus discoidalis from Campos de Pinos; (E) Eleutherodactylus ibischi from Samaipata Road; (F) Eleutherodactylus madidi from Eslabón.

Figure 4 in Assessing the taxonomic status of tropical frogs through bioacoustics: geographical variation in the advertisement calls in the Eleutherodactylus discoidalis species group (Anura)

Figure 4. Scatterplot for (A) number of pulses and call length, (B) dominant frequency and number of pulses, and (C) dominant frequency and call length of species and populations of the Eleutherodactylus discoidalis group. Lines correspond to normally distributed probability ellipses (0.99, N = 194). BV, Eleutherodactylus cf. cruralis from the Bellavista Mountains; EC, Eleutherodactylus cruralis; ED, Eleutherodactylus discoidalis; EI, Eleutherodactylus ibischi; HO, Eleutherodactylus cf. cruralis from La Hoyada; EM, Eleutherodactylus madidi.

Figure 1 in Assessing the taxonomic status of tropical frogs through bioacoustics: geographical variation in the advertisement calls in the Eleutherodactylus discoidalis species group (Anura)

Figure 1. Map of the Andes of Bolivia showing the studied localities (see also Table 1). 1, Eslabón; 2, Chalalán; 3, Rurrenabaque; 4, Chapare, 500 m; 5, Mataracú; 6, La Hoyada; 7, Samaipata road; 8, Bellavista Mt; 9, Masicurí; 10, Campos de Pinos.

opencc-by-4.0May 2002View details →

Figure 39 in Stolidobranch ascidians from the tropical western Indian Ocean

Figure 39. Molgula longitubis sp. nov.: A,B, both sides in external view. C, body ventrally opened. D, part of the branchial tissue close to the endostyle. Scale bars: A,B,C = 5 mm, D = 0.5 mm.