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{"title"=>"Massive consumption of gelatinous plankton by mediterranean apex predators", "type"=>"journal", "authors"=>[{"first_name"=>"Luis", "last_name"=>"Cardona", "scopus_author_id"=>"7004487253"}, {"first_name"=>"Irene Álvarez", "last_name"=>"de Quevedo", "scopus_author_id"=>"55115698900"}, {"first_name"=>"Assumpció", "last_name"=>"Borrell", "scopus_author_id"=>"7004925435"}, {"first_name"=>"Alex", "last_name"=>"Aguilar", "scopus_author_id"=>"7102047003"}], "year"=>2012, "source"=>"PLoS ONE", "identifiers"=>{"doi"=>"10.1371/journal.pone.0031329", "sgr"=>"84858674827", "issn"=>"19326203", "pui"=>"364480399", "isbn"=>"1932-6203", "pmid"=>"22470416", "scopus"=>"2-s2.0-84858674827"}, "id"=>"e3e74c16-1317-3e2c-b68b-a84edd1010b8", "abstract"=>"Stable isotopes of carbon and nitrogen were used to test the hypothesis that stomach content analysis has systematically overlooked the consumption of gelatinous zooplankton by pelagic mesopredators and apex predators. The results strongly supported a major role of gelatinous plankton in the diet of bluefin tuna (Thunnus thynnus), little tunny (Euthynnus alletteratus), spearfish (Tetrapturus belone) and swordfish (Xiphias gladius). Loggerhead sea turtles (Caretta caretta) in the oceanic stage and ocean sunfish (Mola mola) also primarily relied on gelatinous zooplankton. In contrast, stable isotope ratios ruled out any relevant consumption of gelatinous plankton by bluefish (Pomatomus saltatrix), blue shark (Prionace glauca), leerfish (Lichia amia), bonito (Sarda sarda), striped dolphin (Stenella caerueloalba) and loggerhead sea turtles (Caretta caretta) in the neritic stage, all of which primarily relied on fish and squid. Fin whales (Balaenoptera physalus) were confirmed as crustacean consumers. The ratios of stable isotopes in albacore (Thunnus alalunga), amberjack (Seriola dumerili), blue butterfish (Stromaeus fiatola), bullet tuna (Auxis rochei), dolphinfish (Coryphaena hyppurus), horse mackerel (Trachurus trachurus), mackerel (Scomber scombrus) and pompano (Trachinotus ovatus) were consistent with mixed diets revealed by stomach content analysis, including nekton and crustaceans, but the consumption of gelatinous plankton could not be ruled out completely. In conclusion, the jellyvorous guild in the Mediterranean integrates two specialists (ocean sunfish and loggerhead sea turtles in the oceanic stage) and several opportunists (bluefin tuna, little tunny, spearfish, swordfish and, perhaps, blue butterfish), most of them with shrinking populations due to overfishing.", "link"=>"http://www.mendeley.com/research/massive-consumption-gelatinous-plankton-mediterranean-apex-predators", "reader_count"=>179, "reader_count_by_academic_status"=>{"Unspecified"=>5, "Professor > Associate Professor"=>4, "Librarian"=>1, "Researcher"=>53, "Student > Doctoral Student"=>9, "Student > Ph. D. Student"=>46, "Student > Postgraduate"=>5, "Other"=>8, "Student > Master"=>23, "Student > Bachelor"=>18, "Lecturer"=>1, "Lecturer > Senior Lecturer"=>1, "Professor"=>5}, "reader_count_by_user_role"=>{"Unspecified"=>5, "Professor > Associate Professor"=>4, "Librarian"=>1, "Researcher"=>53, "Student > Doctoral Student"=>9, "Student > Ph. D. Student"=>46, "Student > Postgraduate"=>5, "Other"=>8, "Student > Master"=>23, "Student > Bachelor"=>18, "Lecturer"=>1, "Lecturer > Senior Lecturer"=>1, "Professor"=>5}, "reader_count_by_subject_area"=>{"Unspecified"=>10, "Engineering"=>3, "Environmental Science"=>28, "Biochemistry, Genetics and Molecular Biology"=>3, "Mathematics"=>1, "Agricultural and Biological Sciences"=>117, "Medicine and Dentistry"=>2, "Arts and Humanities"=>1, "Chemistry"=>1, "Earth and Planetary Sciences"=>13}, "reader_count_by_subdiscipline"=>{"Engineering"=>{"Engineering"=>3}, "Medicine and Dentistry"=>{"Medicine and Dentistry"=>2}, "Chemistry"=>{"Chemistry"=>1}, "Earth and Planetary Sciences"=>{"Earth and Planetary Sciences"=>13}, "Agricultural and Biological Sciences"=>{"Agricultural and Biological Sciences"=>117}, "Biochemistry, Genetics and Molecular Biology"=>{"Biochemistry, Genetics and Molecular Biology"=>3}, "Mathematics"=>{"Mathematics"=>1}, "Unspecified"=>{"Unspecified"=>10}, "Environmental Science"=>{"Environmental Science"=>28}, "Arts and Humanities"=>{"Arts and Humanities"=>1}}, "reader_count_by_country"=>{"Argentina"=>1, "United States"=>2, "Uruguay"=>2, "Japan"=>2, "Portugal"=>1, "Spain"=>4, "Czech Republic"=>1, "Namibia"=>1, "Brazil"=>4, "Mexico"=>2, "Italy"=>1, "Chile"=>2, "Peru"=>1, "Tunisia"=>2}, "group_count"=>4}

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• {"type"=>"COMMENT", "annotationUri"=>"info:doi/10.1371/annotation/767f312b-6072-4a7b-9cf7-35320abeedd2", "title"=>"Closer consideration of euphausiids needed", "body"=>"In Figure 5, I would be curious to see how the SIAR outputs change if you add krill as another source guild. Both stomach content and isotope data have supported the importance of krill as a diet source for small bluefin tuna in the nearby Bay of Biscay (see Logan et al. Marine Biology 158 (1): 73-85), and this group would seem like a more likely lower trophic level prey source for bluefin and swordfish than gelatinous prey. Also, all of the fish species identified in Figure 5 as potential gelatinovores have nitrogen isotope values of ~ 10-11‰ while the 2 identified gelatinovore specialists (oceanic loggerheads and sunfish) have values of 6.7 and 7.7 ‰, which would place them a full trophic level lower assuming typical diet-tissue discrimination factors of ~ 3‰. ", "isRemoved"=>false, "created"=>"2012-03-30T17:52:55Z", "lastModified"=>"2012-03-30T17:52:55Z", "creator"=>{"userId"=>"264395"}, "highlightedText"=>"", "competingInterestStatement"=>{"creatorWasPrompted"=>true, "hasCompetingInterests"=>false}, "parentArticle"=>{"doi"=>"info:doi/10.1371/journal.pone.0031329", "state"=>"published", "journals"=>{"PLoSONE"=>{"journalKey"=>"PLoSONE", "eIssn"=>"1932-6203", "title"=>"PLOS ONE"}}}, "replyTreeSize"=>1, "mostRecentActivity"=>"2012-04-25T13:21:01Z", "replies"=>[{"type"=>"REPLY", "parentID"=>10907, "annotationUri"=>"info:doi/10.1371/reply/9bdcb742-18e9-4890-ab3d-cdfb32f51a76", "title"=>"RE: Closer consideration of euphausiids needed", "body"=>"Dear John Logan,\r\n\r\nThank you for your comments. Although krill is certainly consumed by tuna in other regions, there is no published hard evidence indicating any relevant consumption of krill in the western Mediterranean. Conversely, stomach contents analysis revealed krill as a major prey for other pelagic species in the western Mediterranean, and hence there is no reason to believe that krill has been overlooked in stomach contents analysis of blue fin tuna in the Mediterranean. Thus, there was no reason to include krill in SIAR in our study. Nevertheless, when krill is included in the analysis (not shown on the manuscript), the output of SIAR reveals both krill and jellyplankton as the major potential prey. The point is that even including krill, jellyplankton still stands as a more relevant prey than fish or squid.\r\n\r\nRegarding the ratios of the stable isotopes of nitrogen, carapace scutes were used for loggerheads and muscle for fishes. As they have different fractionation factors, the reader should compare the figures once corrected for fractionation, i.e., the stable isotope ratios in diet. These figures are in turn quite similar for loggerheads (7.3‰) and for fish thought to consume jelly plankton (7.8‰ and 7.5‰ for tuna). The only major difference is about sunfish, with a diet more depleted in 15N (4.3‰) than any other possible jelly plankton consumer. This is probably because of a negligible consumption of nekton, and the possible consumption of the jellyfish Cotylorhiza tuberculata, although this species was not included in the SIAR results shown in the paper.\r\n", "isRemoved"=>false, "created"=>"2012-04-25T13:21:01Z", "lastModified"=>"2012-04-25T13:21:01Z", "creator"=>{"userId"=>"266981"}, "highlightedText"=>"", "competingInterestStatement"=>{"creatorWasPrompted"=>true, "hasCompetingInterests"=>false}, "parentArticle"=>{"doi"=>"info:doi/10.1371/journal.pone.0031329", "state"=>"published", "journals"=>{"PLoSONE"=>{"journalKey"=>"PLoSONE", "eIssn"=>"1932-6203", "title"=>"PLOS ONE"}}}, "replyTreeSize"=>0, "mostRecentActivity"=>"2012-04-25T13:21:01Z", "replies"=>[]}]}

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Figshare

• {"files"=>["https://ndownloader.figshare.com/files/665224"], "description"=>"<p>Nekton: anchovy, lanternfish, horse mackerel and longfin squid. Results are shown as 95, 75 and 25% credibility intervals for each prey.</p>", "links"=>[], "tags"=>["prey", "butterfish", "mackerel"], "article_id"=>335706, "categories"=>["Inorganic Chemistry", "Chemistry", "Ecology"], "users"=>["Luis Cardona", "Irene Álvarez de Quevedo", "Assumpció Borrell", "Alex Aguilar"], "doi"=>"https://dx.doi.org/10.1371/journal.pone.0031329.g009", "stats"=>{"downloads"=>0, "page_views"=>16, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/_Feasible_contribution_of_potential_prey_to_the_diet_of_amberjack_pompano_horse_mackerel_dolphinfish_blue_butterfish_and_mackerel_according_to_SIAR_/335706", "title"=>"Feasible contribution of potential prey to the diet of amberjack, pompano, horse mackerel, dolphinfish, blue butterfish and mackerel according to SIAR.", "pos_in_sequence"=>0, "defined_type"=>1, "published_date"=>"2013-02-20 07:31:30"}
• {"files"=>["https://ndownloader.figshare.com/files/664228"], "description"=>"<p>Potential prey considered: pelagic crustaceans (solid squares), gelatinous plankton (empty squares), squid (solid triangles) and small pelagic and mesopelagic fish (empty triangles). Error bars show standard deviation.</p>", "links"=>[], "tags"=>["isotope", "ratios", "prey", "apex", "predators", "northwestern"], "article_id"=>334709, "categories"=>["Inorganic Chemistry", "Chemistry", "Ecology"], "users"=>["Luis Cardona", "Irene Álvarez de Quevedo", "Assumpció Borrell", "Alex Aguilar"], "doi"=>"https://dx.doi.org/10.1371/journal.pone.0031329.g001", "stats"=>{"downloads"=>2, "page_views"=>37, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/_Stable_isotope_ratios_in_the_potential_prey_of_apex_predators_from_the_northwestern_Mediterranean_/334709", "title"=>"Stable isotope ratios in the potential prey of apex predators from the northwestern Mediterranean.", "pos_in_sequence"=>0, "defined_type"=>1, "published_date"=>"2013-02-20 07:26:14"}
• {"files"=>["https://ndownloader.figshare.com/files/665360"], "description"=>"*<p>: <i>considered also as prey</i>; A: <i>colective samples</i>.</p>", "links"=>[], "tags"=>["isotope", "ratios", "pelagic", "prey", "predators", "mediterranean"], "article_id"=>335843, "categories"=>["Inorganic Chemistry", "Chemistry", "Ecology"], "users"=>["Luis Cardona", "Irene Álvarez de Quevedo", "Assumpció Borrell", "Alex Aguilar"], "doi"=>"https://dx.doi.org/10.1371/journal.pone.0031329.t001", "stats"=>{"downloads"=>1, "page_views"=>9, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/_Sample_size_and_stable_isotope_ratios_of_pelagic_prey_and_predators_in_the_western_Mediterranean_Sea_/335843", "title"=>"Sample size and stable isotope ratios of pelagic prey and predators in the western Mediterranean Sea.", "pos_in_sequence"=>0, "defined_type"=>3, "published_date"=>"2013-02-20 07:32:09"}
• {"files"=>["https://ndownloader.figshare.com/files/664459"], "description"=>"<p>A solid circle represents the average stable isotope ratios of whales after correcting for diet-tissue isotopic discrimination and error bars show standard deviation. Other symbols show the average stable isotope ratios of potential prey: pelagic crustaceans (solid squares), gelatinous plankton (empty squares), squid (solid triangles) and small pelagic and mesopelagic fish (empty triangles).</p>", "links"=>[], "tags"=>["isotope", "ratios", "fin", "whales", "northwestern"], "article_id"=>334946, "categories"=>["Inorganic Chemistry", "Chemistry", "Ecology"], "users"=>["Luis Cardona", "Irene Álvarez de Quevedo", "Assumpció Borrell", "Alex Aguilar"], "doi"=>"https://dx.doi.org/10.1371/journal.pone.0031329.g003", "stats"=>{"downloads"=>2, "page_views"=>6, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/_Stable_isotope_ratios_of_fin_whales_from_the_northwestern_Mediterranean_/334946", "title"=>"Stable isotope ratios of fin whales from the northwestern Mediterranean.", "pos_in_sequence"=>0, "defined_type"=>1, "published_date"=>"2013-02-20 07:27:29"}
• {"files"=>["https://ndownloader.figshare.com/files/665114"], "description"=>"<p>Solid circles represent the average stable isotope ratios of each consumer after correcting for diet-tissue isotopic discrimination and error bars show standard deviation. Other symbols show the average stable isotope ratios of their potential prey: pelagic crustaceans (solid squares), gelatinous plankton (empty squares), squid (solid triangles) and small pelagic and mesopelagic fish (empty triangles). Nekton: anchovy, lanternfish, horse mackerel and shortfin squid. Results are shown as 95, 75 and 25% credibility intervals for each prey.</p>", "links"=>[], "tags"=>["isotope", "ratios", "albacore", "tuna", "northwestern", "mediterranean", "feasible", "prey"], "article_id"=>335600, "categories"=>["Inorganic Chemistry", "Chemistry", "Ecology"], "users"=>["Luis Cardona", "Irene Álvarez de Quevedo", "Assumpció Borrell", "Alex Aguilar"], "doi"=>"https://dx.doi.org/10.1371/journal.pone.0031329.g008", "stats"=>{"downloads"=>3, "page_views"=>24, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/_Stable_isotope_ratios_of_albacore_and_bullet_tuna_from_the_northwestern_Mediterranean_and_feasible_contribution_of_potential_prey_to_their_diet_according_to_SIAR_/335600", "title"=>"Stable isotope ratios of albacore and bullet tuna from the northwestern Mediterranean and feasible contribution of potential prey to their diet according to SIAR.", "pos_in_sequence"=>0, "defined_type"=>1, "published_date"=>"2013-02-20 07:30:52"}
• {"files"=>["https://ndownloader.figshare.com/files/664819"], "description"=>"<p>Solid circles represent the average stable isotope ratios of each consumer after correcting for diet-tissue isotopic discrimination and error bars show standard deviation. Other symbols show the average stable isotope ratios of potential prey: pelagic crustaceans (solid squares), gelatinous plankton (empty squares), squid (solid triangles) and small pelagic and mesopelagic fish (empty triangles). Nekton: anchovy, lanternfish, horse mackerel and shortfin squid. Results are shown as 95, 75 and 25% credibility intervals for each prey.</p>", "links"=>[], "tags"=>["isotope", "ratios", "oceanic", "loggerhead", "turtle", "sunfish", "northwestern", "mediterranean", "feasible", "prey"], "article_id"=>335292, "categories"=>["Inorganic Chemistry", "Chemistry", "Ecology"], "users"=>["Luis Cardona", "Irene Álvarez de Quevedo", "Assumpció Borrell", "Alex Aguilar"], "doi"=>"https://dx.doi.org/10.1371/journal.pone.0031329.g006", "stats"=>{"downloads"=>0, "page_views"=>15, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/_Stable_isotope_ratios_of_oceanic_loggerhead_sea_turtle_and_ocean_sunfish_from_the_northwestern_Mediterranean_and_feasible_contribution_of_potential_prey_to_their_diet_according_to_SIAR_/335292", "title"=>"Stable isotope ratios of oceanic loggerhead sea turtle and ocean sunfish from the northwestern Mediterranean and feasible contribution of potential prey to their diet according to SIAR.", "pos_in_sequence"=>0, "defined_type"=>1, "published_date"=>"2013-02-20 07:29:23"}
• {"files"=>["https://ndownloader.figshare.com/files/664983"], "description"=>"<p>Solid circles represent the average stable isotope ratios of each consumer after correcting for diet-tissue isotopic discrimination and error bars show standard deviation. Other symbols show the average stable isotope ratios of their potential prey: pelagic crustaceans (solid squares), gelatinous plankton (empty squares), squid (solid triangles) and small pelagic and mesopelagic fish (empty triangles).</p>", "links"=>[], "tags"=>["isotope", "ratios", "butterfish", "mackerel", "northwestern"], "article_id"=>335466, "categories"=>["Inorganic Chemistry", "Chemistry", "Ecology"], "users"=>["Luis Cardona", "Irene Álvarez de Quevedo", "Assumpció Borrell", "Alex Aguilar"], "doi"=>"https://dx.doi.org/10.1371/journal.pone.0031329.g007", "stats"=>{"downloads"=>1, "page_views"=>11, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/_Stable_isotope_ratios_of_the_diet_of_amberjack_pompano_horse_mackerel_dolphinfish_blue_butterfish_and_mackerel_from_the_northwestern_Mediterranean_/335466", "title"=>"Stable isotope ratios of the diet of amberjack, pompano, horse mackerel, dolphinfish, blue butterfish and mackerel from the northwestern Mediterranean.", "pos_in_sequence"=>0, "defined_type"=>1, "published_date"=>"2013-02-20 07:30:13"}
• {"files"=>["https://ndownloader.figshare.com/files/664672"], "description"=>"<p>Nekton 1: sardine. Nekton 2: anchovy, lanternfish, horse mackerel and longfin squid. Nekton 3: mackerel and shortfin squid. Results are shown as 95, 75 and 25% credibility intervals for each prey.</p>", "links"=>[], "tags"=>["prey", "bluefin", "spearfish", "swordfish"], "article_id"=>335157, "categories"=>["Inorganic Chemistry", "Chemistry", "Ecology"], "users"=>["Luis Cardona", "Irene Álvarez de Quevedo", "Assumpció Borrell", "Alex Aguilar"], "doi"=>"https://dx.doi.org/10.1371/journal.pone.0031329.g005", "stats"=>{"downloads"=>1, "page_views"=>23, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/_Feasible_contribution_of_potential_prey_to_the_diet_of_bluefin_tuna_little_tunny_spearfish_and_swordfish_according_to_SIAR_/335157", "title"=>"Feasible contribution of potential prey to the diet of bluefin tuna, little tunny, spearfish and swordfish according to SIAR.", "pos_in_sequence"=>0, "defined_type"=>1, "published_date"=>"2013-02-20 07:28:37"}
• {"files"=>["https://ndownloader.figshare.com/files/665397"], "description"=>"<p>The diet column reports the preys contributing at least 5% in weight or volume to stomach contents (F: Teleostei; D: Decapoda, H: Hyperiidea, E: Euphausiids; C: Cephalopoda, Cn: Cnidaria, Ct: Cetaceans; U: Urochordata). Consumption of cnidarians and urochordata representing less than 5% is reported in brackets.</p>*<p><i>: data from the Atlantic</i>.</p>", "links"=>[], "tags"=>["gelatinous", "plankton", "pelagic", "mesopredators", "apex", "predators", "mediterranean", "revealed"], "article_id"=>335876, "categories"=>["Inorganic Chemistry", "Chemistry", "Ecology"], "users"=>["Luis Cardona", "Irene Álvarez de Quevedo", "Assumpció Borrell", "Alex Aguilar"], "doi"=>"https://dx.doi.org/10.1371/journal.pone.0031329.t002", "stats"=>{"downloads"=>2, "page_views"=>11, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/_Relative_importance_of_gelatinous_plankton_in_the_diet_of_pelagic_mesopredators_and_apex_predators_from_the_Mediterranean_Sea_as_revealed_by_stomach_content_analysis_/335876", "title"=>"Relative importance of gelatinous plankton in the diet of pelagic mesopredators and apex predators from the Mediterranean Sea, as revealed by stomach content analysis.", "pos_in_sequence"=>0, "defined_type"=>3, "published_date"=>"2013-02-20 07:32:21"}
• {"files"=>["https://ndownloader.figshare.com/files/664308"], "description"=>"<p>Solid circles represent the average stable isotope ratios of each consumer after correcting for diet-tissue isotopic discrimination and error bars show standard deviation. Other symbols show the average stable isotope ratios of potential prey: pelagic crustaceans (solid squares), gelatinous plankton (empty squares), squid (solid triangles) and small pelagic and mesopelagic fish (empty triangles).</p>", "links"=>[], "tags"=>["isotope", "ratios", "striped", "dolphins", "neritic", "loggerhead", "turtles", "northwestern"], "article_id"=>334785, "categories"=>["Inorganic Chemistry", "Chemistry", "Ecology"], "users"=>["Luis Cardona", "Irene Álvarez de Quevedo", "Assumpció Borrell", "Alex Aguilar"], "doi"=>"https://dx.doi.org/10.1371/journal.pone.0031329.g002", "stats"=>{"downloads"=>0, "page_views"=>8, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/_Stable_isotope_ratios_of_bluefish_blueshark_leerfish_bonito_striped_dolphins_and_neritic_loggerhead_sea_turtles_from_the_northwestern_Mediterranean_/334785", "title"=>"Stable isotope ratios of bluefish, blueshark, leerfish, bonito, striped dolphins and neritic loggerhead sea turtles from the northwestern Mediterranean.", "pos_in_sequence"=>0, "defined_type"=>1, "published_date"=>"2013-02-20 07:26:40"}
• {"files"=>["https://ndownloader.figshare.com/files/665434"], "description"=>"<p>\n <i>Results are reported as mean ± standard deviation on a wet mass basis.</i></p>", "links"=>[], "tags"=>["chemistry", "ecology", "marine and aquatic sciences"], "article_id"=>335922, "categories"=>["Inorganic Chemistry", "Chemistry", "Ecology"], "users"=>["Luis Cardona", "Irene Álvarez de Quevedo", "Assumpció Borrell", "Alex Aguilar"], "doi"=>"https://dx.doi.org/10.1371/journal.pone.0031329.t003", "stats"=>{"downloads"=>4, "page_views"=>8, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/_Proximate_chemical_composition_and_energy_density_of_four_potential_preys_/335922", "title"=>"Proximate chemical composition and energy density of four potential preys.", "pos_in_sequence"=>0, "defined_type"=>3, "published_date"=>"2013-02-20 07:32:34"}
• {"files"=>["https://ndownloader.figshare.com/files/664524"], "description"=>"<p>Solid circles represent the average stable isotope ratios of each consumer after correcting for diet-tissue isotopic discrimination and error bars show standard deviation. Other symbols show the average stable isotope ratios of potential prey: pelagic crustaceans (solid squares), gelatinous plankton (empty squares), squid (solid triangles) and small pelagic and mesopelagic fish (empty triangles).</p>", "links"=>[], "tags"=>["isotope", "ratios", "bluefin", "swordfish", "northwestern"], "article_id"=>335007, "categories"=>["Inorganic Chemistry", "Chemistry", "Ecology"], "users"=>["Luis Cardona", "Irene Álvarez de Quevedo", "Assumpció Borrell", "Alex Aguilar"], "doi"=>"https://dx.doi.org/10.1371/journal.pone.0031329.g004", "stats"=>{"downloads"=>1, "page_views"=>3, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/_Stable_isotope_ratios_of_bluefin_tuna_little_tunny_spearfish_and_swordfish_from_the_northwestern_Mediterranean_/335007", "title"=>"Stable isotope ratios of bluefin tuna, little tunny, spearfish, and swordfish from the northwestern Mediterranean.", "pos_in_sequence"=>0, "defined_type"=>1, "published_date"=>"2013-02-20 07:27:49"}

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Relative Metric

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F1000Prime