Diet of Leptobotia elongata revealed by stomach content analysis and inferred from stable isotope signatures
文献类型： 外文期刊
作者： Li, L. 1 ; Wei, Q. Wei 1 ; Wu, J. Ming 2 ; Zhang, H. 4 ; Liu, Y. 1 ; Xie, X. 3 ;
作者机构： 1.Huazhong Agr Univ, Coll Fishery, Wuhan, Hubei, Peoples R China
2.Chinese Acad Fishery Sci, Minist Agr China, Key Lab Freshwater Biodivers Conservat, Yangtze River Fisheries Res Inst, Wuhan, Hubei, Peoples R China
3.Southwest Univ, Sch Life Sci, Chongqing, Peoples R China
4.Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, Beijing, Peoples R China
关键词： Leptobotia elongata;Dietary shift;Body length;Season;Stomach contents;Stable isotope
期刊名称：ENVIRONMENTAL BIOLOGY OF FISHES （ 影响因子：1.844； 五年影响因子：1.839 ）
ISSN：
年卷期：
页码：
收录情况： SCI
摘要： The diet of Leptobotia elongata in the Yibin reach of the Yangtze River, China was investigated by stomach content analysis and by stable isotope analysis from muscle. The results of the two methods were agreement. Both stomach contents and isotope analysis indicated that L. elongata fed in spring mainly on plankton, shrimp and fish, and secondarily on benthic invertebrates and aquatic insect larvae. For the stomach content analysis, the diet composition showed significant differences among the size classes in relative weight of prey items, with L. elongata changing feeding habits at c.110 mm standard length. The smaller individuals fed on benthic invertebrates and aquatic insect larvae, whereas individuals > 109 mm fed mainly on shrimp and fish. A similar shift to piscivory at c.110 mm standard length was found using the stable isotope mixing model to reveal dietary ontogeny by IsoSource software, and the trend in variation of the delta C-13 and delta N-15 was similar with increased body length, and the plankton is important prey item in all size classes. The delta C-13 and delta N-15 values in similar sized individuals showed significant seasonal differences (delta C-13, ANOVA, F = 76.33, p < 0.001 and delta N-15, ANOVA, F = 144.56, p < 0.001), indicating a temporal dietary and trophic level shift. L. elongata is an important commercial species, and the results of the study form part of a detailed investigation of feeding ecology of L. elongata that provides basic data for studying the food web of the upper Yangtze River.
- 相关文献
作者其他论文 更多>>
-
The aquaculture supply chain in the time of covid-19 pandemic: Vulnerability, resilience, solutions and priorities at the global scale
作者：Mangano, M. C.;Milisenda, G.;Berlino, M.;Corbari, L.;Lucchese, M.;Terzo, S.;Bosch-Belmar, M.;Sara, G.;Berlino, M.;Lucchese, M.;Celic, I;Corbari, L.;Azaza, M. S.;Babarro, J. M. F.;Bakiu, R.;Broitman, B. R.;Broitman, B. R.;Buschmann, A. H.;Buschmann, A. H.;Christofoletti, R.;Dong, Y.;Glamuzina, B.;Dobroslavic, T.;Pecarevic, M.;Luthman, O.;Makridis, P.;Nogueira, A. J. A.;Nogueira, A. J. A.;Palomo, M. G.;Dineshram, R.;Sanchez-Jerez, P.;Sevgili, H.;Sevgili, H.;Troell, M.;Troell, M.;AbouelFadl, K. Y.;Azra, M. N.;Britz, P.;Carrington, E.;Carrington, E.;Choi, F.;Grabowski, J. H.;Helmuth, B.;Schultz, K.;Qin, C.;Dionisio, M. A.;Galli, P.;Giannetto, D.;Lebata-Ramos, M. J. H.;Lim, P. T.;Liu, Y.;Llorens, S. M.;Mirto, S.;Pita, C.;Pita, C.;Ragg, N.;Ravagnan, E.;Saidi, D.;Shaltout, M.;Tan, S. H.;Thiyagarajan, V;Thiyagarajan, V;Terzo, S.;Terzo, S.
关键词：Perishable food supply chain; Disruption; Economic distress; Mitigation measures; Integrated multi-trophic aquaculture; Stakeholder perceptions; Rapid assessment; COVID-19 effects
-
INCREASING INVASION RISK FROM THE NORTHWARD EXPANSION OF LARGEMOUTH BASS (MICROPTERUS SALMOIDES) IN CHINA UNDER MULTIPLE INFLUENCES
作者：Fang, K.;Xu, Q. Q.;Zhang, H.;Fang, K.;Zhang, Y. Y.;Shen, L.;Zhou, Q.;Zhang, H.;Shao, J.;Gorfine, H.
关键词：largemouth bass; non-native aquatic species; habitat suitability curve; potential spawning; area; multiple influences; biological invasion
-
BIOMASS AND SPATIAL DISTRIBUTION ESTIMATES OF HAIRTAIL (TRICHIURUS JAPONICUS) IN THE NORTHERN WATERS OF TAIWAN
作者：Kang, M.;Fajaryanti, R.;Huang, H.;Ye, H.;Zhang, H.;Liu, J.
关键词：hairtail; biomass; fish school property; water temperature; fishing gear
-
Joint multiple quantitative trait loci mapping for allometries of body compositions and metabolic traits to body weights in broiler
作者：Zhou, X.;Zhang, H.;Ye, J.;Xu, Y.;Zhou, X.;Ye, J.;Xu, Y.;Zhang, Y.;Du, J.;Yang, R.
关键词：relative growth; random regression model; organ tissue; quality trait; linkage analysis
-
GROWTH RESPONSES OF THE SUBMERGED MACROPHYTE SAGO PONDWEED (POTAMOGETON PECTINATUS) TO DISTURBANCE BY THREE OMNIVOROUS FISHES
作者：Wang, H. L.;Li, Z. F.;Liu, Y.;Zhang, J. W.;Xie, J.;Wang, H. L.;Zhang, X. K.;Li, Z. F.;Xie, J.
关键词：cultivated lakes; aquaculture; ecological restoration; stocking density; aquatic plants
-
Immunogenicity of recombinant outer membrane porin protein and protective efficacy against lethal challenge with Bordetella bronchiseptica in rabbits
作者：Zhang, H.;Xiong, B.;Fan, G.;Cao, Z.;Cao, Z.
关键词：Bordetella bronchiseptica; outer membrane porin protein; protective efficacy; rabbit; subunit vaccine
-
Length-weight relationships of seven fish species from the Wutong River, northeast China
作者：Li, L.;Wang, N.;Jin, H.;Zhang, J.;Ma, B.
关键词：
