1995
DOI: 10.2989/02577619509504834
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Oil-to-meal ratios of pelagic fish taken from the northern and the southern Benguela systems: seasonal patterns and temporal trends, 1951–1993

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Cited by 16 publications
(8 citation statements)
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“…Such databases are often collected systematically for industrial purposes (Schülein et al, 1995) and constitute a relatively underutilized data source.…”
Section: Discussionmentioning
confidence: 99%
“…Such databases are often collected systematically for industrial purposes (Schülein et al, 1995) and constitute a relatively underutilized data source.…”
Section: Discussionmentioning
confidence: 99%
“…Measurements that are highly resolved in space and time pose a considerable logistical challenge; however, many of the existing high-resolution condition databases were developed in support of or by commercial fisheries. For example, industrial sources of information have been used to derive monthly condition indices for pelagic stocks in the Southern California region (Parrish and Mallicoate 1995) and Benguela system (Schülein et al 1995).…”
Section: Discussionmentioning
confidence: 99%
“…Condition influences the reproductive potential of a stock via its effects on maturation (Henderson and Morgan 2002), fecundity (Hislop et al 1978;Kjesbu et al 1998;Lambert and Dutil 2000), atresia (Ma et al 1998;Óskarsson et al 2002;Kurita et al 2003), egg size (Kjesbu 1989;Chambers and Waiwood 1996;Marteinsdottir and Steinarsson 1998), egg density (Saborido-Rey et al 2003), yolk volumes (Morimoto 1996), hatching success (Laine and Rajasilta 1999), and larval survival (Marteinsdottir and Steinarsson 1998). Because of the cumulative impact on reproduction, there have been several suggestions that condition can influence recruitment for both pelagic and demersal species (Kawasaki and Omori 1995;Schülein et al 1995;Marshall and Frank 1999).…”
Section: Introductionmentioning
confidence: 99%
“…see review in Dalsgaard et al 2003), the biochemical ecology of marine food webs from low-latitude temperate zones, where the major pelagic fisheries and upwelling systems are located, has surprisingly been overlooked, and related studies are scarce (Schülein et al 1995, Paiting et al 1998. In fact, biochemical indicators can provide major insights into the mechanisms controlling the abundance of small pelagic fishes, since they integrate the impacts of environmental forcing on feeding and are directly linked to fitness, thus offering a powerful complement to traditional indicators (e.g.…”
Section: Abstract: Sardina Pilchardus · Sardines · Proximate Composimentioning
confidence: 99%