Sandeel recruitment in the North Sea: demographic, climatic and trophic effects
نویسندگان
چکیده
منابع مشابه
Sandeel recruitment in the North Sea: demographic, climatic and trophic effects
The lesser sandeel Ammodytes marinus, which is one of the most abundant fish in the North Sea, has highly variable recruitment dynamics. We evaluate potential associations between their recruitment and some key biological and physical factors. Population data were analysed at the North Sea scale (years 1983 to 1999) and at the regional scale (southwestern section and northeastern section; years...
متن کاملEffects of copepod size on fish growth: a model based on data for North Sea sandeel
In productive marine off-shore ecosystems, the flow of energy from zooplankton to large predators is channeled through a few species of short-lived, highly abundant schooling planktivorous fish. There are indications that these species respond to qualitative and phenological changes in the zooplankton. If so, the climate-induced alterations of the local copepod communities that we see in temper...
متن کاملWarm-water decapods and the trophic amplification of climate in the North Sea
A long-term time series of plankton and benthic records in the North Sea indicates an increase in decapods and a decline in their prey species that include bivalves and flatfish recruits. Here, we show that in the southern North Sea the proportion of decapods to bivalves doubled following a temperature-driven, abrupt ecosystem shift during the 1980s. Analysis of decapod larvae in the plankton r...
متن کاملA Model of Trophic Interactions in the North Sea in 1981, the Year of the Stomach*
This paper gives an overview of the trophic interactions in the North Sea in 1981 when 55,000 fish stomachs were sampled and analyzed. The study is based on the data base of the ICES Multispecies Assessment Working Group (MS WG), and published information. A balanced, steady state model of interactions and biomasses at all trophic levels is constructed using the ECOPATH II software. The results...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Marine Ecology Progress Series
سال: 2002
ISSN: 0171-8630,1616-1599
DOI: 10.3354/meps238199