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Titolo:
Spatial and temporal covariation in the recruitment and abundance of Atlantic salmon populations in the Baltic Sea
Autore:
McKinnell, SM; Karlstrom, O;
Indirizzi:
Pacific Biol Stn, Nanaimo, BC V9R 5K6, Canada Pacific Biol Stn Nanaimo BCCanada V9R 5K6 n, Nanaimo, BC V9R 5K6, Canada Swedish Univ Agr Sci, Dept Aquaculture, S-90183 Umea, Sweden Swedish Univ Agr Sci Umea Sweden S-90183 uaculture, S-90183 Umea, Sweden Natl Board Fisheries, S-97238 Lulea, Sweden Natl Board Fisheries Lulea Sweden S-97238 sheries, S-97238 Lulea, Sweden
Titolo Testata:
ICES JOURNAL OF MARINE SCIENCE
fascicolo: 4, volume: 56, anno: 1999,
pagine: 433 - 443
SICI:
1054-3139(199908)56:4<433:SATCIT>2.0.ZU;2-W
Fonte:
ISI
Lingua:
ENG
Soggetto:
ONCORHYNCHUS-NERKA; SOCKEYE-SALMON; FRASER-RIVER; MARINE; FISH; ENVIRONMENT; SURVIVAL; CLIMATE; SHIFTS;
Keywords:
spatial correlation; Atlantic salmon; Baltic; tagging; survival;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Agriculture,Biology & Environmental Sciences
Citazioni:
35
Recensione:
Indirizzi per estratti:
Indirizzo: McKinnell, SM Pacific Biol Stn, 3190 Hammond Bay Rd, Nanaimo, BC V9R 5K6, Canada Pacific Biol Stn 3190 Hammond Bay Rd Nanaimo BC Canada V9R 5K6
Citazione:
S.M. McKinnell e O. Karlstrom, "Spatial and temporal covariation in the recruitment and abundance of Atlantic salmon populations in the Baltic Sea", ICES J MAR, 56(4), 1999, pp. 433-443

Abstract

Synchronous trends in the abundance of hatchery and wild Baltic salmon populations are examined using correlation analysis. The river catch of wild adult salmon, the recruitment of age 0+ wild salmon parr, and the recapture rate of tagged hatchery smelts are positively correlated among rivers in the Baltic Sea. The spatial correlation among populations is greater than reported for other anadromous salmonids. Baltic salmon populations have undergone low frequency, high amplitude changes in abundance during the past 200 years. Recent production levels have been supported largely by hatcheries. Efforts to conserve the remaining wild populations through fisheries regulation appear to be having a positive effect on spawner abundance. (C) 1999 International Council for the Exploration of the Sea.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 09/04/20 alle ore 07:23:24