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Marine reserves are a promising tool for fisheries management and conservation of biodiversity, but they are not a panacea for fisheries management problems. For fisheries that target highly mobile single species with little or no by-catch or habitat impact, marine reserves provide few benefits compared to conventional fishery management tools. For(More)
We consider combinations of three types of control measures for the management of fisheries when the input information for policy decisions is uncertain. The methods considered include effort controls, catch quotas and area closures. We simulated a hypothetical fishery loosely based on the Icelandic cod fishery, using a simple spatially explicit dynamic(More)
A general Web-based system for use in education, the tutor-web, has been developed for storage and presentation of electronic slides for classroom use, along with reference material, examples and quizzes. The primary novelty of the system is the structured linkage between the various pieces of information, to maintain coherence and focus on the educational(More)
We report on a test of three methods that have been used by ICES in making probability statements about fisheries forecasts to management agencies (XSA/WGMTERM, ICA/ICP, and a stochastic projection method that was first applied to North Sea herring). The principle of the test is to calculate many stock assessments and forecasts using historic data, and to(More)
Spatial variation in abundance, size composition and viable egg production of spawning cod (Gadus morhua L.) in Icelandic waters. – ICES Journal of Marine Science, 57: 824–830. Changes in geographical location of spawning and/or in spatial abundance of spawners may influence offspring survival. In Iceland, the spatial dynamics of spawning cod (Gadus morhua(More)
The marine ecosystems off Labrador and Newfoundland, east and west Greenland, Iceland and that of the Barents Sea will be termed Arcto-boreal systems in the following. In terms of environmental conditions, these ecosystems are characterized by large annual and seasonal ̄uctuations, in physical parameters such as temperature and nutrients, as well as in(More)