caa a22 4500 477115365 CHVBK 20180405111621.0 cr unu---uuuuu 170330e19960501xx s 000 0 eng 10.1007/BF00001699 doi (NATIONALLICENCE)springer-10.1007/BF00001699 In situ determination of food daily ration in fish: review and field evaluation [Elektronische Daten] [Danielle Héroux, Pierre Magnan] Synopsis: A literature review showed that numerous studies have dealt with the estimation of fish daily ration in the field. Comparisons of results from different studies are often difficult due to the use of different approaches and methods for parameter estimations. The objective of the present study was to compare the most commonly used approaches to estimate fish daily ration and to propose a standardized procedure for their estimation in the field. Comparisons were based on a field experiment specifically designed to investigate these questions and on data and theoretical considerations found in the literature. The results showed that (1) the gut fullness computed with entire digestive tract content is preferable to the stomach content only, supporting recent research done on other fish species; (2) it is important to consider the data distribution before estimating parameters; (3) estimates of experimental evacuation rates should be used rather than maximum evacuation rate for species showing no feeding periodicity; (4) it is necessary to exclude parasites from gut content in the computation of daily ration as they may significantly decrease daily ration estimates (by an average of 29.3% in this study); and (5) the Eggers (1977) model is as appropriate as, and less complex than, the Elliott & Persson (1978) model for estimating fish daily ration in the field, again supporting recent experiments done on other fish species. Kluwer Academic Publishers, 1996 Eggers model nationallicence Elliott & Persson model nationallicence Instantaneous evacuation rate nationallicence Computational bias nationallicence Héroux Danielle Département de chimie-biologie, Université du Québec à Trois-Rivières, C.P. 500, G9A 5H7, Trois-Rivières, Québec, Canada aut Magnan Pierre Département de chimie-biologie, Université du Québec à Trois-Rivières, C.P. 500, G9A 5H7, Trois-Rivières, Québec, Canada aut Environmental Biology of Fishes Kluwer Academic Publishers 46/1(1996-05-01), 61-74 0378-1909 46:1<61 1996 46 10641 https://doi.org/10.1007/BF00001699 text/html Onlinezugriff via DOI 1 research-article jats NATIONALLICENCE 856 40 https://doi.org/10.1007/BF00001699 text/html Onlinezugriff via DOI NATIONALLICENCE 700 1- Héroux Danielle Département de chimie-biologie, Université du Québec à Trois-Rivières, C.P. 500, G9A 5H7, Trois-Rivières, Québec, Canada aut NATIONALLICENCE 700 1- Magnan Pierre Département de chimie-biologie, Université du Québec à Trois-Rivières, C.P. 500, G9A 5H7, Trois-Rivières, Québec, Canada aut NATIONALLICENCE 773 0- Environmental Biology of Fishes Kluwer Academic Publishers 46/1(1996-05-01), 61-74 0378-1909 46:1<61 1996 46 10641 Metadata rights reserved Springer special CC-BY-NC licence nationallicence BK010053 XK010053 XK010000 NATIONALLICENCE NATIONALLICENCE NL-springer