This paper begins with a review of some claims made by biologists such as Waddington and von Bertalanffy, and others, that biology should seek general theories similar to those found in physics, for example in Newton's theory of gravitation and its elaboration in the Principia, some treatments of Maxwell's electromagnetic theory, or thermodynamics, quantum mechanics, and relativity theories. In...

Growth of captive leatherback turtles, Dermochelys coriacea, with inferences on growth in the wild: Implications for population decline and recovery a b s t r a c t a r t i c l e i n f o Leatherback turtles (Dermochelys coriacea) are endangered, and declining population trends suggest that they are vulnerable to becoming extinct in the Pacific Ocean. Population recovery depends on strong conser...

the objectives of this study were to determine the age, growth, mortality and exploitation of a commercially important fish of northeastern mediterranean sea, mullus barbatus from the karatas coast of iskenderun bay during september 2002 and april 2003. a total of 212 specimens of red mullet were collected by monthly sampling using traditional bottom trawl net by commercial vessel (coskun reis,...

The spotback skate Atlantoraja castelnaui (Arhynchobatidae) is a large and threatened species subjected to fishing pressure, endemic the Southwest Atlantic that occurs from Rio de Janeiro, Brazil, San Jorge Gulf, Argentina. age, growth, age at maturity maximum intrinsic rate of population increase rmax A. were studied using 152 specimens collected off Uruguay north Argentina (35°–42° S), betwee...

Muraenesox bagio (black eel) and Congresox talabonoides (brown are two major eels (Muraenesocidae) species which commercially significant in the marine catch of Bangladesh, but population dynamics stock assessment eel fishery Bangladesh yet to be studied. This study is first endeavour analyze this collected from July 2021 May 2022 using three length-based methods namely TropFishR, Length Based-...