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194 results for “Tributaries”
Fig. 3 in Food resource partitioning among species of Astyanax (Characiformes: Characidae) in the Lower Iguaçu River and tributaries, Brazil
Fig. 3. Variation in diet breadth based on 40 food items consumed by five Astyanax species in the Low Iguaçu River and tributaries in Brazil. Diet breadth was evaluated by dispersion of the diet of species in the multivariate space by using PERMDISP (large spatial distance from the centroid indicates wide dispersion, i.e., wide trophic breadth). Lower and upper bars of the box represent 25 and 75 quartiles, respectively. The horizontal bar within each box represents the mean diet breadth.
Figure 3 from: Laudee P, Seetapan K, Vongsombath C, Malicky H (2020) New species of caddisflies (Trichoptera, Ecnomidae, Polycentropodidae, Psychomyiidae) from Mekong tributaries, Laos. ZooKeys 962: 1-11. https://doi.org/10.3897/zookeys.962.52759
Figure 3 Polyplectropus proukaewi, sp. nov. Male genitalia. A Segment X, dorsal B segments IX–X, left lateral C inferior appendages, ventral D inferior appendages, caudal. Ter IX = tergum IX, Ste IX = sternum IX, Ter X = Tergum X, Do Lat = dorsolateral processes of preanal appendages, Me Lat = mesolateral processes of preanal appendages, Me Ven = mesoventral processes of preanal appendages.
Figure 2 from: Laudee P, Seetapan K, Vongsombath C, Malicky H (2020) New species of caddisflies (Trichoptera, Ecnomidae, Polycentropodidae, Psychomyiidae) from Mekong tributaries, Laos. ZooKeys 962: 1-11. https://doi.org/10.3897/zookeys.962.52759
Figure 2 Ecnomus boonsawaengae, sp. nov. Male genitalia. A Segment IX and superior appendages, dorsal B segment IX and superior appendages, left lateral C segment IX and inferior appendages, ventral D phallus, lateral. Ter IX = tergum IX, Ste IX = sternum IX, Sup = superior appendage, Inf=inferior appendage.
Figure 1 from: Laudee P, Seetapan K, Vongsombath C, Malicky H (2020) New species of caddisflies (Trichoptera, Ecnomidae, Polycentropodidae, Psychomyiidae) from Mekong tributaries, Laos. ZooKeys 962: 1-11. https://doi.org/10.3897/zookeys.962.52759
Figure 1 Ecnomus petchanaae, sp. nov. Male genitalia. A Segment IX and superior appendages, dorsal B segments IX and superior appendages, left lateral C segment IX and inferior appendages, ventral D phallus tip, ventral. Ter IX = tergum IX, Ste IX = sternum IX, Sup = superior appendage, Inf = inferior appendage.
Figure 4 from: Laudee P, Seetapan K, Vongsombath C, Malicky H (2020) New species of caddisflies (Trichoptera, Ecnomidae, Polycentropodidae, Psychomyiidae) from Mekong tributaries, Laos. ZooKeys 962: 1-11. https://doi.org/10.3897/zookeys.962.52759
Figure 4 Psychomyia srichanai, sp. nov. Male genitalia. A Segment IX, preanal appendages and harpago, lateral B preanal appendages, dorsal C harpago, ventral. Har = harpago, Pre = preanal appendage, SIX = sternum of segment IX, Pha = phallus.
Figure 5 from: Laudee P, Seetapan K, Vongsombath C, Malicky H (2020) New species of caddisflies (Trichoptera, Ecnomidae, Polycentropodidae, Psychomyiidae) from Mekong tributaries, Laos. ZooKeys 962: 1-11. https://doi.org/10.3897/zookeys.962.52759
Figure 5 Study sites from Mekong river and its tributaries. A, B E-Tu Waterfall, Paksong, Pakse Province C Vang Ngao River, Paksong, Pakse Province D the Mekong River, Luang Prabang Province.
FIGURE 3 in A new species of Cnesterodon (Cyprinodontiformes: Poeciliidae) from a small tributary of arroyo Cuñá-Pirú, río Paraná basin, Misiones, Argentina
FIGURE 3. Distribution of Cnesterodon pirai. Dot indicates type locality.
FIGURE 2 in A new species of Cnesterodon (Cyprinodontiformes: Poeciliidae) from a small tributary of arroyo Cuñá-Pirú, río Paraná basin, Misiones, Argentina
FIGURE 2. Gonopodium of Cnesterodon pirai, paratype CI-FML 3855.
FIGURE 7 in Cyanocharax obi, a new species (Characiformes: Characidae) and the first record of the genus from tributaries of the río Paraná basin, Argentina
FIGURE 7. Hydrological map of the Misiones Province. The type locality is marked with number 1.
FIGURE 6 in Cyanocharax obi, a new species (Characiformes: Characidae) and the first record of the genus from tributaries of the río Paraná basin, Argentina
FIGURE 6. Cyanocharax obi, live specimen, female, paratype MACN-ict 9559, 56.7 mm.
F I G U R E 2 in Estimating multiple years, tributary-specific, and overall Atlantic salmon smolt abundance in a large Canadian catchment using capture-mark-recapture experiments
F I G U R E 2 Schematic representation of the different capture–mark–recapture (CMR) events occurring in the Restigouche catchment in a given year. The letters C, M, and R correspond to the captured, marked, and recaptured fish, respectively. The total nonmarked smolt population Nmtot comprises four components: Kedgwick, Upsaquitch, and Matapedia abundance Nm, and the smolt abundance originating from the rest t 1:3,t of the catchment Nmrest. Note that the "rest" component can vary between years because not all rotary screw traps (RST) are operated annually. t Each year, each operating upstream RST is associated with a CMR experiment. Marked smolts in the upstream RSTs (Mt,1:3) can also be recaptured at the downstream RSTs (Rt,1:5). Each downstream RST samples an unknown fraction of the total population of smolts migrating out of the catchment. Due to the low number of recaptures at the downstream RSTs, it is not possible to estimate this fraction, and it is confounded with the catchabilities at the downstream RSTs. Variables in square boxes are known, and variables in round boxes are unknown.
Fig. 4 in Influence of a large dam and importance of an undammed tributary on the reproductive ecology of the threatened fish matrinxã Brycon orthotaenia Günther, 1864 (Characiformes: Bryconidae) in southeastern Brazil
Fig. 4. Relative frequency of maturity stages of Brycon orthotaenia captured in two sites of the rio São Francisco, downstream from the Três Marias Dam. (a) females from site 1, (b) females from site 2, (c) males from site 1 and (d) males from site 2. Resting, light gray; maturing/mature, dark gray; spawning/spent, black.
Fig. 2 in Influence of a large dam and importance of an undammed tributary on the reproductive ecology of the threatened fish matrinxã Brycon orthotaenia Günther, 1864 (Characiformes: Bryconidae) in southeastern Brazil
Fig. 2. Histological sections of Brycon orthotaenia ovaries stained with Hematoxilin-eosin: (a) resting stage presenting early (O1) and late (O2) perinucleolar follicles, (b)(c) maturing/mature stage presenting O1, O2, previtellogenic follicles (O3) and vitellogenic follicles (O4), (d) vitellogenic follicles containing yolk globules (Y), zona radiata (ZR) and follicular cells (FC), (e) spawned stage from site 2 with postovulatory follicles (asterisk) and rare vitellogenic atretic follicles (AF), (f)(g)(h) ovaries of B. orthotaenia collected in site 1 possessing several vitellogenic atretic follicles triggered by the cold water released by the Três Marias Dam, (f) vitellogenic follicle in early atresia with fragmented zona radiata (arrows), (g) hypertrophy of follicular cells, fragmented zona radiata (arrows) and yolk being degraded in atretic follicle and (h) vitellogenic follicle in advanced atresia. Bar = (a), (b), (h) 70 µm, (c) 160 µm, (d) 40 µm, (e) 100 µm, (f) 120 µm and (g) 50 µm.
Figure 2 in The influence of land use-impacted tributaries on water quality and phytoplankton in the Mooi River, North West Province, South Africa
Figure 2: Cumulative phytoplankton density (cells/ml) and diversity in the Mooi River during 2015. Dark blue vertical dotted lines indicate inflows of the WFS, GM and the WS, while the light blue vertical dotted line indicates the location of the WWTP. The phytoplankton diversity in each tributary is illustrated with a pie chart. Red dots represent the mean phytoplankton density (cells/ml) for the WFS, GM, and WS, while the total phytoplankton density is given in brackets. Red arrows represent values exceeding values on the Y-axis. Cyano = Cyanophyta, Bacil = Bacillariophyta, Chlor = Chlorophyta, Cryp = Cryptophyta, Chrys = Chrysophyta, Dino = Dinophyta, and Eugl = Euglenophyta.
Figure 4 from: Volcan MV, Severo-Neto F, Lanés LEK (2018) Unrecognized biodiversity in a world's hotspot: three new species of Melanorivulus (Cyprinodontiformes: Rivulidae) from tributaries of the right bank of the Rio Paraná basin, Brazilian Cerrado. Zoosystematics and Evolution 94(2): 263-280. https://doi.org/10.3897/zse.94.24406
Figure 4 First order stream (typical "veredas" habitat), tributary of headwaters of Rio Pardo, M. interruptus type locality.
Figure 13 from: Volcan MV, Severo-Neto F, Lanés LEK (2018) Unrecognized biodiversity in a world's hotspot: three new species of Melanorivulus (Cyprinodontiformes: Rivulidae) from tributaries of the right bank of the Rio Paraná basin, Brazilian Cerrado. Zoosystematics and Evolution 94(2): 263-280. https://doi.org/10.3897/zse.94.24406
Figure 13 Variation of colour pattern of the caudal fin of females of different species of the Melanorivulus pictus specis group from Rio Paraná, Brazil. A) M. amambaiensis; B) M. apiamici; C) M. egens; D) M. interruptus; E) M. ivinhemensis; F) M. nigropunctatus; G) M. ofaie; H) M. scalaris.
Figure 12 from: Volcan MV, Severo-Neto F, Lanés LEK (2018) Unrecognized biodiversity in a world's hotspot: three new species of Melanorivulus (Cyprinodontiformes: Rivulidae) from tributaries of the right bank of the Rio Paraná basin, Brazilian Cerrado. Zoosystematics and Evolution 94(2): 263-280. https://doi.org/10.3897/zse.94.24406
Figure 12 Variation of colour pattern of the caudal fin of males of different species of the Melanorivulus pictus group from Rio Paraná, Brazil. A) M. amambaiensis; B) M. apiamici; C) M. egens; D) M. interruptus; E) M. ivinhemensis; F) M. nigropunctatus; G) M. ofaie; H) M. scalaris.
Figure 10 from: Volcan MV, Severo-Neto F, Lanés LEK (2018) Unrecognized biodiversity in a world's hotspot: three new species of Melanorivulus (Cyprinodontiformes: Rivulidae) from tributaries of the right bank of the Rio Paraná basin, Brazilian Cerrado. Zoosystematics and Evolution 94(2): 263-280. https://doi.org/10.3897/zse.94.24406
Figure 10 Water source of a first-order stream on the left bank of the Rio Amambaí, marginally situated along the BR 487 highway, type locality of M. amambaiensis.
Figure 7 from: Volcan MV, Severo-Neto F, Lanés LEK (2018) Unrecognized biodiversity in a world's hotspot: three new species of Melanorivulus (Cyprinodontiformes: Rivulidae) from tributaries of the right bank of the Rio Paraná basin, Brazilian Cerrado. Zoosystematics and Evolution 94(2): 263-280. https://doi.org/10.3897/zse.94.24406
Figure 7 Sampling sites of Melanorivulus ivinhemensis sp. n. (a) Wetland associated with a small drainage, direct tributary of Rio Ivinhema, type locality, (b) wetland along BR 376 highway, (c) small drainage, direct tributary of Rio Ivinhema.
Figure 1 from: Volcan MV, Severo-Neto F, Lanés LEK (2018) Unrecognized biodiversity in a world's hotspot: three new species of Melanorivulus (Cyprinodontiformes: Rivulidae) from tributaries of the right bank of the Rio Paraná basin, Brazilian Cerrado. Zoosystematics and Evolution 94(2): 263-280. https://doi.org/10.3897/zse.94.24406
Figure 1 Melanorivulus interruptus sp. n., MCP 53145, holotype, male, 32.3 mm SL, Campo Grande, Mato Grosso do Sul, Brazil.
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Allen Brain Atlas
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DANDI Archive for NWB datasets
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