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57 results for “stomach contents”
Stomach contents and stable isotopes from the aquatic food web in Everglades National Park, Florida, USA, 2018-2019
Stable isotope samples were collected among habitats and between seasons at multiple sites in both Shark River Slough and Taylor Slough of Everglades National Park to represent as much of the aquatic food web as possible. Stomach contents were also recorded for many of the collected vertebrate samples. Sampling occurred between October 2018 and April 2019. These data are a follow up study to the FCE1263 data package (https://portal.edirepository.org/nis/mapbrowse?scope=knb-lter-fce&identifier=1263) following the invasion of several fishes, most notably the African Jewelfish (Rubricatochromis letourneuxi), although there are some differences in habitats sampled and overall spatial coverage. R code for analyses associated with these data are available at https://github.com/pjflood/diet_and_pond_enrichment. Data collection is complete.
Stomach contents (1977-1981) and stable isotopes (1994) from the Everglades, Florida, USA from the publication "Fishes in a seasonally pulsed wetland show spatiotemporal shifts in diet and trophic niche but not shifts in trophic position"
Stomach contents of fishes (1977-1981) and stable isotopes of fishes, invertebrates, and basal resources (1994) were collected from spikerush marsh, sawgrass ridge, and alligator pond habitats in Shark River Slough, Everglades National Park, Florida, USA. These data were used to quantify diet, trophic niche area, trophic position, basal resource use and how these metrics vary among size classes, seasons, and habitats. Data collection is complete. These data support Flood et al. (2023). Associated R code will be made available through Peter Flood's GitHub: https://github.com/pjflood/historic_everglades_aquatic_food_web. References: Flood, Peter J., William F. Loftus, and Joel C. Trexler. "Fishes in a seasonally pulsed wetland show spatiotemporal shifts in diet and trophic niche but not shifts in trophic position." Food Webs 34 (2023): e00265. https://doi.org/10.1016/j.fooweb.2022.e00265
Fig 3 in Ontogeny and stomach content analysis of Bagrus bayad (Forskal, 1977) in Zobe reservoir, Katsina, Nigeria
Fig 3: Percentage relative importance index of various food items in the stomach content of Bagrus bayad in Zobe reservoir.
Fig. 3 in Evaluation of the stomach contents of Eriphia gonagra from a rocky shore in the southeastern Brazilian coast
Fig. 3. Percentage of itens found in the stomachs of Eriphia gonagra (Fabricius, 1781) captured in the rocky shores (RO) and sand reefs (SR) of Praia Grande, Ubatuba (São Paulo, Brazil). Other animals on RO (0.3%) and SR (0.2%), as well as the presence of nylon threads (RO = 0.05%; SR = 0.06%) are not visible in the figure.
Fig. 6 in Evaluation of the stomach contents of Eriphia gonagra from a rocky shore in the southeastern Brazilian coast
Fig. 6. Frequency of the composition of the main items of the Eriphia gonagra (Fabricius, 1781) diet, according to size classes.
Fig. 2 in Evaluation of the stomach contents of Eriphia gonagra from a rocky shore in the southeastern Brazilian coast
Fig. 2. Percentage of the main food items found in the stomachs of males, females and total population of Eriphia gonagra (Fabricius, 1781) captured on the rocky shore of Praia Grande beach, Ubatuba, São Paulo, Brazil.
Fig. 5 in Evaluation of the stomach contents of Eriphia gonagra from a rocky shore in the southeastern Brazilian coast
Fig. 5. Correspondence Analysis (CA) of frequency of the most relevant food item in the stomachs of males and females of Eriphia gonagra (Fabricius, 1781) at different sampling points of Praia Grande beach, Ubatuba, São Paulo, Brazil.
Fig. 1 in Evaluation of the stomach contents of Eriphia gonagra from a rocky shore in the southeastern Brazilian coast
Fig. 1. Map of Ubatuba Bay with the sampling area between Praia Grande and TenÓrio beaches, state of São Paulo, Brazil.
Fig. 4 in Evaluation of the stomach contents of Eriphia gonagra from a rocky shore in the southeastern Brazilian coast
Fig. 4. Percentage of itens found in the stomachs of Eriphia gonagra (Fabricius, 1781) captured over the seasons in the rocky shores (RO) and sand reefs (SR) of Praia Grande, Ubatuba (São Paulo, Brazil).
Fig. 6 in Scientific Note Stomach contents and notes on the reproduction of the Onefin Skate Gurgesiella dorsalifera (Chondrichthyes: Rajidae) off Southern Brazil
Fig. 6. Ventral view of visceral cavity of G. dorsalifera. OG = horseshoe shaped oviducal gland; EC = egg capsules inside the uteri; CL = extroverted cloaca.
Fig. 1 in Scientific Note Stomach contents and notes on the reproduction of the Onefin Skate Gurgesiella dorsalifera (Chondrichthyes: Rajidae) off Southern Brazil
Fig. 1. Map of the study region with marks where specimens of Gurgesiella dorsalifera were captured: 1 – 1986 one specimen; 2 – 1991 eight specimens and 3 – 1991 fifteen specimens.
Raw sequencing data of NGS of stomach contents of sympatric species of weakly electric fish (genus: Campylomormyrus)
<p>This dataset contains the raw sequencing data of stomach contents of sympatric species of weakly electric fish (genus: <em>Campylomormyrus</em>) using next generation sequencing.</p> <p>Stomach content samples were collected from five <em>Campylomormyrus</em> species (<em>C. alces</em>, ; <em>C. compressirostris</em>, ; <em>C. curvirostris</em>, ; <em>C. numenius</em>, ; <em>C. tshokwe</em>) and samples of <em>Gnathonemus petersii</em> (<em>G. petersii, </em>), a sister genus of <em>Campylomormyrus.</em></p> <p>The fish specimens, from which these stomach content samples are extracted, were collected during an expedition to the Republic of the Congo in fall 2012.</p> <p>The dataset files are in FASTA format.</p>
Fig 2 in Ontogeny and stomach content analysis of Bagrus bayad (Forskal, 1977) in Zobe reservoir, Katsina, Nigeria
Fig 2. Percentage weight of various food item in stomach content of Bagrus bayad in Zobe dam.
Fig. 1 in Notes on autumn-winter stomach contents of the Stone Marten (Martes foina) in the Balkan Mountains, Central Bulgaria
Fig. 1. Location of the study area.
Stomach content DNA from Loligo vulgaris paralarvae in W Iberian Peninsula waters
<p>This dataset contains the DNA sequences obtained from 31 Loligo vulgaris paralarvae ranging from 1.61 to 6.01 mm that were between two and 28 days old. Digestive system of each paralarvae was dissected and DNA was extracted amplifying 300 bp fragment of the mitochondrial cytochrome c oxidase subunit I gene.</p> <p>The generated DNA fragments (DNA libraries) were sequenced with MiSeq Reagent Kit v3 in the lllumina MiSeq platform, using 300bp paired-end sequencing reads.</p> <p> </p>
Fig. 5 in Scientific Note Stomach contents and notes on the reproduction of the Onefin Skate Gurgesiella dorsalifera (Chondrichthyes: Rajidae) off Southern Brazil
Fig. 5. Proportional prey size in relation to predator disc width (DW).
Fig. 4 in Scientific Note Stomach contents and notes on the reproduction of the Onefin Skate Gurgesiella dorsalifera (Chondrichthyes: Rajidae) off Southern Brazil
Fig. 4. Linear relationship between disc width (DW) and total length (TL) of the onefin skate.
Fig. 3 in Scientific Note Stomach contents and notes on the reproduction of the Onefin Skate Gurgesiella dorsalifera (Chondrichthyes: Rajidae) off Southern Brazil
Fig. 3. Distribution of prey size on different size classes of the onefin skate.
Fig. 2 in Scientific Note Stomach contents and notes on the reproduction of the Onefin Skate Gurgesiella dorsalifera (Chondrichthyes: Rajidae) off Southern Brazil
Fig. 2. IRI diagram for the main stomach contents of Gurgesiella dorsalifera.
Figure 2 in Unravelling the stomach contents of fish and crab species from Cananéia, São Paulo: Are they eating plastic?
Figure 2. The coloured circle represents the food items, and the black and white circle represent the absence and presence of anthropogenic plastic material found in 16 marine fish (benthic fish, pelagic/benthic fish and pelagic fish) and four crab species in the region of Cananéia, São Paulo, Brazil (CR = crustaceans; SE = sediment; MO = mollusc; FI = fish; FO = foraminiferans; PO = polychaetes; BR = bryozoans. N = number of fish analysed. UD = Unidentified).
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