Synchronization of Catch Fish Data in Fisheries e-Logbook with a Vessel Monitoring System

Counting fish: a typology for fisheries catch data

Do Catch Shares End the Race to Fish and Increase Ex Vessel Prices? Evidence from U.S. Fisheries

Catch shares appear to lower fishing costs by eliminating redundant capacity. Theory suggests that catch shares may also alter within-season behavior and generate revenue benefits through improved market timing, higher product quality, and changes in the fresh/frozen product mix. Do catch shares alter within-season behavior to end the race to fish? Do catch shares cause ex vessel prices to incr...

VMSbase: An R-Package for VMS and Logbook Data Management and Analysis in Fisheries Ecology

VMSbase is an R package devised to manage, process and visualize information about fishing vessels activity (provided by the vessel monitoring system--VMS) and catches/landings (as reported in the logbooks). VMSbase is primarily conceived to be user-friendly; to this end, a suite of state-of-the-art analyses is accessible via a graphical interface. In addition, the package uses a database platf...

An Investigation of Fish Catch Data and Its Implications for Management of Small-scale Fisheries of Ghana

Most statistical information on fish catch in Ghana and that of many other African countries are deficient in supporting effective fisheries management. Fish catches were examined between January 2009 and December 2010, to enhance the management of small-scale fisheries of Ghana. The methods employed were: Fish Catch Assessment (FCA) and documents analyses. The case study focused on four import...

Anti-synchronization and synchronization of T-system

In this paper, we discuss the synchronization and anti-synchronization of two identical chaotic T-systems. The adaptive and nonlinear control schemes are used for the synchronization and anti-synchronization. The stability of these schemes is derived by Lyapunov Stability Theorem. Firstly, the synchronization and anti-synchronization are applied to systems with known parameters, then to systems...