Potential rent and overcapacity in the Swedish Baltic Sea trawl fishery for cod (Gadus morhua)
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چکیده
منابع مشابه
Some Atlantic cod Gadus morhua in the Baltic Sea visit hypoxic water briefly but often.
Individual behaviour of Atlantic cod Gadus morhua in the presence of hypoxic water was measured in situ in the vertically stratified Bornholm Basin of the Baltic Sea. Considering all recaptured individuals, the use of hypoxic habitat was comparable to data derived by traditional survey data, but some G. morhua had migrated towards the centre of the c.100 m deep basin and spent about a third of ...
متن کاملStable Isotope Evidence for Late Medieval (14th–15th C) Origins of the Eastern Baltic Cod (Gadus morhua) Fishery
Although recent historical ecology studies have extended quantitative knowledge of eastern Baltic cod (Gadus morhua) exploitation back as far as the 16th century, the historical origin of the modern fishery remains obscure. Widespread archaeological evidence for cod consumption around the eastern Baltic littoral emerges around the 13th century, three centuries before systematic documentation, b...
متن کاملUsing the particle filter to geolocate Atlantic cod (Gadus morhua) in the Baltic Sea, with special emphasis on determining uncertainty
The use of archival tags on fish gives information of individual behaviour with an unprecedented high resolution in time. A central problem in the analysis of data from retrieved tags is the geolocation, namely the infererence of movements of the fish by comparing the data from the tags with environmental observations like temperature, tide, day length, etc. The result is usually represented as...
متن کاملBaltic larval cod Gadus morhua are infested with a protistan endoparasite in the yolk sac
A protistan endoparasite was d~scovered in the yolk of embryos and larvae of cod Gadus morhua L. from the Baltic. The prevalence of infestation ranged from 0 to 30 ":>. Two stages of the parasite were identified under transmiss~on electron microscopy. One stage was apparently mononucleated; the other stage was multinucleated and seemed to be b reak~ng-up into numerous, mononucleated organisms. ...
متن کاملClick sounds produced by cod (Gadus morhua).
Conspicuous sonic click sounds were recorded in the presence of cod (Gadus morhua), together with either harp seals (Pagophilus groenlandicus), hooded seals (Cystophora cristata) or a human diver in a pool. Similar sounds were never recorded in the presence of salmon (Salmo salar) together with either seal species, or from either seal or fish species when kept separately in the pool. It is conc...
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ژورنال
عنوان ژورنال: ICES Journal of Marine Science
سال: 2007
ISSN: 1095-9289,1054-3139
DOI: 10.1093/icesjms/fsm019