Pressures being exerted on the ocean ecosystems through overfishing, pollution, and environmental and climate change are increasing. Six core principles are proposed to guide governance and use of ocean resources and to promote sustainability. Examples of governance structures that embody these principles are given.

Pham, C. K., Canha, A., Diogo, H., Pereira, J. G., Prieto, R., and Morato, T. 2013. Total marine fishery catch for the Azores (1950–2010). – ICES Journal of Marine Science, 70: 564–577. Official fishery statistics often fail to report what has been truly extracted from the marine environment. Therefore, in this study, we estimated illegal, unreported, and unregulated (IUU) catch in the context of a small-scale fishery (the Azores) and provide an improved compilation of official catches, including whaling. Reconstructed removals during 1950–2010 total 1.10 million t (95% CI, 1.06–1.16 million t), a factor of 1.17 higher than the amount reported in Azorean official statistics. Unreported catches were attributed to foreign fishing activities (27%), recreational fishing (25%), discards from the demersal fishing fleet (21%), baitfish for the pole-and-line tuna fishery (11%), discards from pelagic longlining (7%), local pelagic fleet landing outside the Azores (3%), coastal invertebrate harvesting (6%), and big-game fishing (0.1%). The overall low level of unreported catches compared to other locations might reflect the small-scale nature of the fisheries, the geographic isolation of the islands, and the small size of its community.

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This study was conducted in São Miguel Island (Azores archipelago) providing the first evidence from Macaronesia of spear fishing impacts on fish communities. The shoreline was monitored during 10 months by access point surveys where 220 fishers were interviewed and 27 target fish species were identified. Mean sizes of top predators and highly vulnerable species were generally less than the respective minimum first maturation length. Species intrinsic vulnerability was moderate with an average of 46.7 (max. 100). There are indications that spear fishers, in the absence of high trophic level and larger species, target smaller and lower trophic level fish, atypical of a highly selective fishery. Daily bag limits were not respected in 36.9% of spear fishing operations and 59% of the catch from the area was illegally sold, a practice likely to have negative consequences for the commercial sector.