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30 results for “urban fish”
Figure 1 in Species richness of urban and rural fish assemblages in the Grijalva Basin floodplain, southern Gulf of Mexico
Figure 1. – Map of the study area in the floodplain of the Grijalva Basin. Sampling sites (ID), 1 = Gordiano, 2 = La Pólvora, 3 = Ilusiones, 4 = Costeñito and 5 = Loma de Caballo urban lagoons (circles); 6 = Campo, 7 = Manguito, 8 = Pucté, 9 = Maluco and 10 = Playa de Poza rural lagoons (stars); and 11 = González, 12 = Carrizal, 13 = Grijalva, 14 = Pichucalco and 15 = Samaria rivers (triangles) in rural sites. MR = Mezcalapa River; MvR = Mezcalapa Viejo River. Map modified of http:// antares.inegi.org.mx/analisis/red_ hidro/SIATL/#
Figure 6 in Far from urban areas: plastic uptake in fish populations of subtropical headwater streams
Figure 6. Median plastic particle distribution in fishes per sample site (whiskers = min - max values, dots = outliers, stars = extreme outliers, horizontal line = median, box = 50% tile).
Figure 3 in Far from urban areas: plastic uptake in fish populations of subtropical headwater streams
Figure 3. Plastic particles abundances in benthic and water column feeders (whiskers = min - max values, dots outliers, stars extreme outliers, horizontal line median, box 50% tile).
Figure 1. Study area. A. South America and Brazil. B in Far from urban areas: plastic uptake in fish populations of subtropical headwater streams
Figure 1. Study area. A. South America and Brazil. B. Brazil and the state of Rio Grande do Sul. C. Rio Grande do Sul and the Sinos River Basin. D. The numbers from 1 to 7 in the white dots show the sampling sites in the upper section of the Sinos River basin. The colour gradient represents the terrain elevation (light green elevations of 30m altitude and dark brown elevations of 980m). The red polygons are the urban areas.
Figure 5 in Far from urban areas: plastic uptake in fish populations of subtropical headwater streams
Figure 5. Total abundances of food items per category in comparison with ingested plastic particles abundances. (Pla=Pastics, Dip=Diptera, Hem=Hemiptera, Tri=Tricoptera, Lep=Lepidoptera, Eph=Ephemeroptera, Ple=Plecoptera, Col=Coleoptera, Gas=Gastropoda, Odo=Odonata, Veg= Plant).
Figure 4 in Optimal FOraging OF NeOtrOpical Otters (CarnivOra: Mustelidae) in an urban river and predOminance OF generalist and sedentary fish in their diet
Figure 4. Results of the Ivlev's selectivity index for the dataset from: (A) May 2006 to September 2007; (B) September 2006 to January 2007 (wet season); (C) February to August 2007 (dry season).
FIGURE 3 in Functional responses of stream fish communities to rural and urban land uses
FIGURE 3 | Flowchart of analysis. Biomass and dummy traits matrices were combined to produce functional diversity (FD) indices (FRic = functional richness, FEve = functional evenness, FDiv = functional divergence and FDis = functional dispersion) and community weight mean traits (CWM) matrices. The influences of land use/occupation (Soil matrix) over FD indices were evaluated through Pearson's correlations and over CWM through redundance analysis (RDA) and Pearson's correlations.
FIGURE 4 in Functional responses of stream fish communities to rural and urban land uses
FIGURE 4 | Ordination scores of community-weighted means (CWMs) of traits (gray bars) and proportions of land use/occupation (arrows: biplot scores for constraining variables along of the first principal axis of the redundancy analysis – RDA1) applied to 24 streams sampled in the state of Paraná, Brazil.
FIGURE 2 in Functional responses of stream fish communities to rural and urban land uses
FIGURE 2 | Ternary diagram of land use/occupation in the 24 streams sampled in the state of Paraná, Brazil.
FIGURE 1 in Functional responses of stream fish communities to rural and urban land uses
FIGURE 1 | Location of the sampling sites in the 24 streams in the state of Paraná, Brazil. Codes and names of streams in S1.
FIGURE 6 in Effects of urbanization and environmental heterogeneity on fish assemblages in small streams
FIGURE 6 | Ordination of fish species composition by distance-based redundancy analysis (dbRDA) in relation to environmental heterogeneity (EH; estimated from environmental data and transformed by loge(x) prior to dbRDA) and the proportion of impervious surfaces (ImpSurf). Species codes, 1: Poecilia reticulata; 2: Corydoras aeneus; 3: Phenacogaster jancupa; 4: Astyanax abramis; 5: Hoplias malabaricus; 6: Hypostomus khimaera; 7: Serrapinnus calliurus; 8: S. microdon; 9: Hemigrammus tridens; 10: A. lacustris.
FIGURE 5 in Effects of urbanization and environmental heterogeneity on fish assemblages in small streams
FIGURE 5 | Relationship between the local contribution to beta diversity (LCBD) and the proportion of impervious surfaces in urban streams in Cuiabá. The line indicates fitted values.
FIGURE 4 in Effects of urbanization and environmental heterogeneity on fish assemblages in small streams
FIGURE 4 | Relationship between rarefied species richness (Srarefied) and the proportion of impervious surfaces in urban streams in Cuiabá. The line indicates fitted values.
FIGURE 3 in Effects of urbanization and environmental heterogeneity on fish assemblages in small streams
FIGURE 3 | Spatial variation in rarefied species richness (Srarefied; A) and the local contribution to beta diversity (LCBD; B) in urban streams in Cuiabá (Mato Grosso, Brazil). The circle sizes in the legend indicate the minimum, mean, and maximum values of Srarefied and the LCBD. The arrow in "A" indicates flow direction.
FIGURE 2 in Effects of urbanization and environmental heterogeneity on fish assemblages in small streams
FIGURE 2 | Principal Coordinate Analysis (PCoA) of local environmental variables of streams from the urban area of Cuiabá, Mato Grosso, midwestern Brazil. The symbol sizes are proportional to the environmental heterogeneity (EH); PlaMat: plant matter; GraRoc: gravel and rocks; CanCov: canopy cover.
FIGURE 1 in Effects of urbanization and environmental heterogeneity on fish assemblages in small streams
FIGURE 1 | Location of the 45 streams sampled for fish in urban area within Cuiabá, Mato Grosso state, midwestern Brazil. The gray area indicates impervious surfaces. The color gradient indicates the proportion of impervious surfaces in a 500 m buffer around each stream; the closer to one the value is, the higher the quantity of urban infrastructure around the stream. The continuous lines indicate the hydrography. The dashed lines indicate the political boundary of Cuiabá with the neighboring municipality of Várzea Grande.
Fig. 4 in Histopathology of gills, kidney and liver of a Neotropical fish caged in an urban stream
Fig. 4. Photomicrographs of the liver of P. lineatus caged in Cambé stream. a) normal hepatic tissue, showing hepatocytes with granular cytoplasm (*) and central and round nucleus (arrow); b) hepatocytes with irregular shaped nucleus (black arrows), eosinophilic granules in the cytoplasm (arrowheads) and nuclear hypertrophy (*); c) bile stagnation (arrows); d) nuclear degeneration (arrows) and cytoplasmic degeneration (*); e) melanomacrophages aggregate, close to a vessel (white arrow) and cytoplasmic vacuolation (*); f) hepatic tissue showing focal necrosis (white arrow). Scale bar 10 mm, H.E.
Fig. 3 in Histopathology of gills, kidney and liver of a Neotropical fish caged in an urban stream
Fig. 3. Photomicrographs of the kidney of P. lineatus caged in Cambé stream. a) normal renal corpuscle showing the glomerulus and the Bowman's space well defined (arrow), proximal tubules (*), distal tubules (arrowheads); b) glomerular expansion and absence of the Bowman's space (arrow) and tubule cells with hypertrophied nucleus (arrowheads); c) tubule starting the regeneration process (white arrow), occlusion of the tubular lumen (black arrows) and cloudy swelling degeneration (*); d) detail of 2 tubules with hyaline droplets degeneration (*). Scale bar 10 mm, H.E.
Fig. 1 in Histopathology of gills, kidney and liver of a Neotropical fish caged in an urban stream
Fig. 1. Map showing the region of Londrina city (Paraná State), where the in situ tests were carried out at the reference site (Apertados stream), and the sites at Cambé stream (A, B and C).
Figure 4 in Far from urban areas: plastic uptake in fish populations of subtropical headwater streams
Figure 4. Length frequency distribution of the fibers.
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Allen Brain Atlas
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DANDI Archive for NWB datasets
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International Brain Laboratory public data
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OpenNeuro
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