The multiplicative heteroscedastic Von Bertalanffy model
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Diniz, Carlos Alberto Ribeiro +2 more
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This study reports length-weight relationships and growth parameters for Sphoeorides testudineus from La Carbonera, a karstic tropical coastal lagoon on the northwestern coast of the Yucatan Peninsula, Mexico.
José Luis Bonilla-Gómez +3 more
doaj +1 more source
Estimation of growth parameters for the exploited sea cucumber Holothuria arguinensis from South Portugal [PDF]
Understanding how species grow is critical for choosing appropriate fisheries management strategies. Sea cucumbers shrink during periods of aestivation and have naturally flaccid bodies that make measuring growth difficult.
Erzini, Karim +2 more
core +1 more source
Conduziu-se um experimento no setor de piscicultura da Universidade Federal de Lavras M.G., com o objetivo de estabelecer curvas de crescimento morfométrico em função do peso corporal para a piracanjuba (Brycon orbignyanus). Alevinos de piracanjuba foram
Juliana Sampaio Guedes Gomiero +5 more
doaj +1 more source
Optimal and near-optimal exponent-pairs for the Bertalanffy-Pütter growth model [PDF]
The Bertalanffy–Pütter growth model describes mass m at age t by means of the differential equation dm/dt = p * ma − q * mb. The special case using the von Bertalanffy exponent-pair a = 2/3 and b = 1 is most common (it corresponds to the von Bertalanffy ...
Katharina Renner-Martin +4 more
doaj +2 more sources
Age and growth of Zapteryx brevirostris (Elasmobranchii: Rhinobatidae) in southern Brazil [PDF]
Age and growth studies are fundamental to successful fisheries management. Zapteryx brevirostris (Muller & Henle, 1841) is distributed off the Brazilian continental shelf and this species is assessed as "Vulnerable" in the Red List of the International ...
Carmo, Wanessa P. D. +2 more
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Non-Linear Model to Describe Growth Curves of Commercial Turkey in the Tropics of Mexico
The objective of this study was to select the best non-linear model that fits the growth curve of turkeys managed under the tropical conditions of Southern Mexico. Data from 481 Hybrid converter turkeys (236 females and 245 males) reared under commercial
JC Segura-Correa +2 more
doaj +1 more source
Trade-offs between accuracy and interpretability in von Bertalanffy random-effects models of growth.
Better understanding of variation in growth will always be an important problem in ecology. Individual variation in growth can arise from a variety of processes; for example, individuals within a population vary in their intrinsic metabolic rates and ...
S. Vincenzi +4 more
semanticscholar +1 more source
Age and growth of spiny dogfish (Squalus acanthias) in the Gulf of Alaska: analysis of alternative growth models [PDF]
Ten growth models were fitted to age and growth data for spiny dogfish (Squalus acanthias) in the Gulf of Alaska. Previous studies of spiny dogfish growth have all fitted the t0 formulation of the von Bertalanffy model without examination of alternative
Fujioka, Jeffrey T. +2 more
core
Evolution of size-dependent flowering in Onopordum illyricum: A quantitative assessment of the role of stochastic selection pressures [PDF]
We explore the evolution of delayed, size-dependent reproduction in the monocarpic perennial Onopordum illyricum, using a range of mathematical models, parameterized with long-term field data.
Briese, D. +3 more
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