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517 results for “Fishing effects”
Fig. 7 in The effect of structural enrichment in hatchery tanks on the morphology of two neotropical fish species
Fig. 7. The log of the distance from the centroid plus 1 [log (DC+1)] for Prochilodus lineatus and Brycon orbignyanus. The ANOVA was significant for both species (p <0.0001), demonstrating significant differences among the treatments. The results of the Tukey tests, specifying which DCs were different from each other, are demonstrated by the letters A, B, and C. Different letters indicate significant differences among the treatments.
Fig. 4 in The effect of structural enrichment in hatchery tanks on the morphology of two neotropical fish species
Fig. 4. Projection of the four treatments [C = control; L = logs; M = macrophytes; and B = both (logs+macrophytes)] in the first two axes of the Principal Component Analysis for Prochilodus lineatus and for Brycon orbignyanus.
Figure 15 in Effects of temperature patterns on the spawining phenology and niche overlap of fish assemblages in the water bodies of the Dnipro River basin
Figure 15. The variation of the Pianka mean niche overlap index deviation from random alternative within principal components 3 and 4. Spawning start: B_bjoerkna – Blicca bjoerkna, C_gibelio – Carassius gibelio, S_erythrophthalmus – Scardinius erythrophthalmus, A_brama – Abramis brama, P_fluviatilis – Perca fluviatilis, R_rutilus – Rutilus rutilus, E_lucius – Esox lucius; regression residuals of the spawning end dependence from the start: B_delta – Blicca bjoerkna, C_delta – Carassius gibelio, S_delta – Scardinius erythrophthalmus, A_delta – Abramis brama, P_delta – Perca fluviatilis, R_delta – Rutilus rutilus, E_delta – Esox lucius.
Figure 12 in Effects of temperature patterns on the spawining phenology and niche overlap of fish assemblages in the water bodies of the Dnipro River basin
Figure 12. Spawning variance partitioning between broad-, medium-, and fine-scale temporal temperature patterns and biotope type explanatory variables. Notes: [a] – variation explained solely by broad temperature variables; [b] – variation explained solely by medium temperature variables; [c] – variation explained solely by fine temperature variables; [d] – variation explained solely by biotope type. The intersection of the ellipses corresponds to the variations explained by the respective sources together All the variance fractions shown are significant (p <0.001).
Figure 14 in Effects of temperature patterns on the spawining phenology and niche overlap of fish assemblages in the water bodies of the Dnipro River basin
Figure 14. Relative variance of the principal components (in %). Method: ANOVA Method, Type I SS, columns denote cumulative sums of variance components.
Figure 13 in Effects of temperature patterns on the spawining phenology and niche overlap of fish assemblages in the water bodies of the Dnipro River basin
Figure 13. The temporal variation of the principal components 1–5. the x-axis – years, the y-axis – the scores of the principal components 1–5.
Figure 10 in Effects of temperature patterns on the spawining phenology and niche overlap of fish assemblages in the water bodies of the Dnipro River basin
Figure 10. Distribution histograms of the Pianka mean niche overlap indexes in different types of habitats: 1 – Nikolayev system of water bodies; 2 – river Protoch system and Obukhov floodplain; 3 – the channel of the river Dnipro; 4 – water bodies of the Taromske ledge.
Figure 4 in Effects of temperature patterns on the spawining phenology and niche overlap of fish assemblages in the water bodies of the Dnipro River basin
Figure 4. Scalogram illustrating the scaling of temporally structured variation in polynomial trend residuals data. The abscissa axis – dbMEMs ordered decreasingly according to the scale of temporal patterns they represent (dbMEM 1 represents the broadest scale, dbMEM 104 the finest scale). The ordinate axis – value of R2 is the variation explained adj by individual dbMEM variables.
Figure 5. Broad-scale components RDA 1-3 in Effects of temperature patterns on the spawining phenology and niche overlap of fish assemblages in the water bodies of the Dnipro River basin
Figure 5. Broad-scale components RDA 1-3 of the annual temperature variation. Black line – the original data, colored lines – smoothed data. The abscissa axis – the number of days from 1 July of the previous year to June 31 of the next year
Fig. 3 in Enigmatic decline of a common fish parasite (Diplostomum spp.) in the St. Lawrence River: Evidence for a dilution effect induced by the invasive round goby
Fig. 3. Mean abundance of Diplostomum spp. in two-year old yellow perch (Perca flavescens) at sites from the three fluvial lakes of the St. Lawrence River between years before and after the establishment of the invasive round goby. Data are expressed as mean number of metacercariae of the genus Diplostomum per fish including uninfected ones ± SEM. Significant differences among years within each locality are indicated by different letters beside histograms. Fish silhouettes within graph panels highlight the presence of the invasive round goby at that given site/year(s), the icon being gray if the species was only occasionally recorded. Main ring-billed gull colonies are illustrated on the map by bird silhouettes: 1 = Cornwall; 2 = Beauharnois; 3 = ̂ILe Deslauriers; 4 = ̂Ile Lefebvre.
Fig. 5 in Enigmatic decline of a common fish parasite (Diplostomum spp.) in the St. Lawrence River: Evidence for a dilution effect induced by the invasive round goby
Fig. 5. Trends in ring-billed gull (Larus delawarensis) populations (A) and in water levels in the St. Lawrence River (B) during the study period (1998‾2016). A: The solid black curve shows the variation over time of the total number of ring-billed gulls recorded along the St. Lawrence River from Cornwall to Trois-Rivìeres whereas dotted curves depict the change in gull counts in each of the main colonies within this area. The numbered bird icons match those shown in Figs. 1 and 3: Bird 1 = Cornwall; bird 2 = Beauharnois; bird 3 = ̂ILe Deslauriers; bird 4 = ̂Ile Lefebvre. B: Monthly mean water levels in April (green) and September (gray) at the Montreal Jetty no 1 station (solid lines) and at the Summerstown station (dashed lines). (For interpretation of the references to colour in this figure legend, the reader is referred to the web version of this article.)
Fig. 2 in Enigmatic decline of a common fish parasite (Diplostomum spp.) in the St. Lawrence River: Evidence for a dilution effect induced by the invasive round goby
Fig. 2. Variation in Diplostomum spp. mean abundance over years in Lake St. Francis (LSF-1) in (A) one-year old yellow perch (Perca flavescens) and (B) one-year old golden shiner. Data are expressed as mean number of metacercariae of the genus Diplostomum per fish including uninfected ones ± SEM. Significant differences among years within each locality are indicated by different letters above histograms. Black fish silhouettes within graph panels illustrate the occurrence of the invasive round goby among the fish captured at that site. See Fig. 3 for site location.
Fig. 1 in Enigmatic decline of a common fish parasite (Diplostomum spp.) in the St. Lawrence River: Evidence for a dilution effect induced by the invasive round goby
Fig. 1. Temporal changes in the mean abundance of Diplostomum spp. in spottail shiners (Notropis hudsonius) (green circle) and round gobies (Neogobius melanostomus) (black square) at two sites in the St. Lawrence River. Data are expressed as mean numbers of metacercariae of Diplostomum spp. per fish including uninfected ones ± SEM. Significant differences among years within each locality are indicated by different lower-case letters (round gobies) and upper-case letters (spottail shiners). Arrows within graph panels point to year of first sighting of the invasive round goby at each site. On the background map, sampling sites (̂Ilet Vert = IVT, ̂Iles de la Paix = IPA) are identified and the host species examined are represented by different fish silhouettes (green = spottail shiners, black = round gobies). Bird silhouettes indicate where main colonies of ring-billed gulls are localized: 2 = Beauharnois; 3 = ̂ILe Deslauriers. (For interpretation of the references to colour in this figure legend, the reader is referred to the web version of this article.)
Fig. 6 in Enigmatic decline of a common fish parasite (Diplostomum spp.) in the St. Lawrence River: Evidence for a dilution effect induced by the invasive round goby
Fig. 6. Potential mechanisms to explain the observed sharp decline of Diplostomum spp. infection in fish in the St. Lawrence River. Those involving a dilution effect induced by the exotic round goby (Neogobius melanostomus) appears in pale red rectangles with rounded corners. Other biotic or abiotic factors are displayed in blue rectangles. Gastropod illustration, representing lymnaeid snails, is a graphic art by Tracey Saxby, provided by the Integration and Application Network (IAN), University of Maryland Center for Environmental Science (www.ian.umces.edu/imagelibrary). The bird image, used to illustrate a ring-billed gull (Larus delawarensis), is a public domain clipart downloaded from www. openclipart.org. (For interpretation of the references to colour in this figure legend, the reader is referred to the web version of this article.)
Figure 2. – Mean abundance per 750 m2 in Changes in distribution patterns of two vulnerable fish species (Epinephelus marginatus and Sciaena umbra) in the Scandola marine reserve (Corsica, NW Mediterranean): a possible effect of increased boat tourism
Figure 2. – Mean abundance per 750 m2 (± SE) of the dusky grouper Epinephelus marginatus (A) and the brown meagre Sciaena umbra (B) according to protection level at Scandola in 2012 and 2018. IR: integral reserve, BZ: buffer zone, UP: unprotected zone. Interannual difference are indicated for each protection level, *: significant at p <0.05, ns: not significant.
Figure 1 in Changes in distribution patterns of two vulnerable fish species (Epinephelus marginatus and Sciaena umbra) in the Scandola marine reserve (Corsica, NW Mediterranean): a possible effect of increased boat tourism
Figure 1. – Location of sites surveyed for dusky grouper and brown meagre populations inside and outside the Scandola MNR (Corsica, NW Mediterranean), according to protection status in summer 2012 and 2018. Dark blue arrows = integral reserve (IR), light blue arrows = buffer zone (BZ), red arrows = unprotected zones (UP). Blue stars = surveyed only in 2012, red star = site surveyed only in 2018.
Figure 5 in Changes in distribution patterns of two vulnerable fish species (Epinephelus marginatus and Sciaena umbra) in the Scandola marine reserve (Corsica, NW Mediterranean): a possible effect of increased boat tourism
Figure 5. – Size structure of Epinephelus marginatus and Sciaena umbra at Scandola in 2012 and 2018. Size classes = 10 cm for the dusky grouper and 5 cm for the brown meagre.
Fig. 5 in Effect of Bacillus sphaericus Neide on Anopheles (Diptera: Culicidae) and associated insect fauna in fish ponds in the Amazon
Fig. 5. Regression analysis of diversity and richness data compared to application of Bacillus sphaericus.
Fig. 3 in Effect of Bacillus sphaericus Neide on Anopheles (Diptera: Culicidae) and associated insect fauna in fish ponds in the Amazon
Fig. 3. Abundance over time of aquatic insects and values LNMH at C3 and C4, Manaus, Amazonas, Brazil.
Fig. 2 in Effect of Bacillus sphaericus Neide on Anopheles (Diptera: Culicidae) and associated insect fauna in fish ponds in the Amazon
Fig. 2. Abundance over time of aquatic insects and values LNMH at C1 and C2, Manaus, Amazonas, Brazil.
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.