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When can marine reserves improve fisheries management
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…
Institutions, incentives and the future of fisheries
- R. Hilborn, J. Orensanz, A. Parma
- Medicine, BiologyPhilosophical Transactions of the Royal Society B…
- 29 January 2005
Fisheries around the world are managed with a broad range of institutional structures that usually involve institutional systems that provide incentives to individual operators that lead to behaviour consistent with conservation.
Spatial dynamics of female snow crab (Chionoecetes opilio) in the eastern Bering Sea
A 25-year time series of survey data was analyzed and ontogenetic stages were defined in terms of a "shell condition index" calibrated with radiochemical methods, supporting the hypothesis that the variable tracked is near-bottom temperature.
Comparative study of postlarval life-history schedules in four sympatric: species of Cancer (Decapoda: Brachyura×Cancridae)
Size-at-instar, growth-per-molt, reproductive schedules, and morphometric allometries were investigated in four sympatric species of Cancer (magister, the Dungeness crab, gracilis, productus, and…
Contraction of the geographic range of distribution of snow crab (Chionoecetes opilio) in the eastern Bering Sea: An environmental ratchet?
Fil: Orensanz, Jose Maria. Consejo Nacional de Investigaciones Cientificas y Tecnicas. Centro Cientifico Tecnologico Conicet - Centro Nacional Patagonico; Argentina. Consejo Nacional de…
Precaution in the harvest of Methuselah's clams the difficulty of getting timely feedback from slow-paced dynamics
Geoduck (Panopea abrupta) stocks are perceived as stable and their fisheries as sustainable, but this may reflect a mismatch between slow-paced dynamics and short-term perception, which could accelerate population declines and drive an apparently sustainable fishery to collapse.
Model of dredging impact on Dungeness crab in Grays Harbor, WA
Abstract : The effects of dredging on marine organisms have been an issue for several decades. Studies have shown effects on the composition of infaunal communities, including disruption and…
Scorched mussels (BIVALVIA: MYTILIDAE: BRACHIDONTINAE) from the temperate coasts of South America: phylogenetic relationships, trans-Pacific connections and the footprints of Quaternary glaciations.
- Berenice Trovant, J. Orensanz, D. Ruzzante, W. Stotz, N. Basso
- Biology, MedicineMolecular phylogenetics and evolution
This study addresses aspects of the phylogeny and phylogeography of scorched mussels from southern South America as well as their ecophylogenetic implications, and concludes that the assembly of communities cannot be explained solely in terms of environmental drivers, as history also matters.
Rapid expansion and potential range of the invasive kelp Undaria pinnatifida in the Southwest Atlantic.
A thermal tolerance window is hypothesized based on experimental information and remotely sensed sea-surface temperature (SST) at the latitudinal range limits of U.S. pinnatifida populations worldwide, defined by average SSTs ranging between -0.6 °C and 16.8 °C in the coldest month, and between 13°C and 28% in the warmest month.
Sustainability of the Juan Fernández lobster fishery (Chile) and the perils of generic science-based prescriptions
Abstract Lobster fishing is the main source of income for the people from the Juan Fernandez Archipelago (population ca. 770), located more than 700 km off central Chile. An artisanal fishery has…