Results 121 to 130 of about 32,183 (242)
Feeding ecology of juvenile Pacific salmon (Oncorhynchus spp.) in a northeast Pacific fjord: diet, availability of zooplankton, selectivity for prey, and potential competition for prey resources [PDF]
, 2010 We investigated the feeding ecology of juvenile salmon during the critical early life-history stage of transition from shallow to deep marine waters by sampling two stations (190 m and 60 m deep) in a northeast Pacific fjord (Dabob Bay, WA) between May ...
Bollens, Stephen M. +4 more
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Micronekton of the North Pacific [PDF]
, 2005 1. INTRODUCTION 1.1 Working Group History 2. SPECIES COMPOSITION AND DISTRIBUTION PATTERNS RELATED TO WATER MASSES 2.1 Mesopelagic Fishes 2.1.1 Dominant families 2.1.2 Large-scale feeding and/or spawning migration or expatriation ...
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Economics of gill netting and two boat midwater trawling
, 1988 The paper deals with the economic aspects of operation of gill netting and two boat midwater trawling conducted off Cochin. The data collected on two boat midwater trawling and gill netting during 1979 and 1980-81 are presented. Gill netting was profitable at the range of 17.5 and 25.2% while two midwater trawling was profitable at the rate of 18.5 %.
Sadanandan, K.A. +3 more
openaire +2 more sources
Length-Weight Relationship of 10 Fish Species Caught by Bottom Trawl and Midwater Trawl from Middle Black Sea, Turkey. [PDF]
, 2014 Length-weight relationships are descri bed for ten important demersal and pe lagic fish species caught with bottom trawl: Merlangius merlangus , Mullus barbatus , Gobius niger, Alosa pontica, Spicara smaris, Scorpaena porcus , and midwater trawl: Engraulis encrasicolus , Sprattus sprattus , Trachurus trachurus , Pomatomus saltatrix from the Middle ...
Kalaycı*(1), Ferhat +3 more
openaire +2 more sources
An overview of the Clupeid fishing gear of Kainji Lake [PDF]
, 2003 Fishing gears and methods that target the Clupeids are atalla lift net, light attraction, midwater trawl and dala (Clupeid beach seine).Dala fisheries have been the most lucrative fishing gear on Clupeids within the recent past.
Yaro, I.
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Limited access alternatives for the Pacific groundfish fishery [PDF]
, 1987 Despite its wide acceptance in other fisheries, limited access remains a controversial topic among Pacific coast groundfish fishermen and fishery managers. It is controversial because it immediately opens a wide array of public policy issues.
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San Francisco Estuary and Watershed Science, 2017 https://doi.org/10.15447/sfews.2017v15iss4art3For nearly 50 years, the California Department of Fish and Wildlife has used a midwater trawl to intensively monitor fish populations in the San Francisco Estuary during the fall, sampling over 100 locations
Lara Mitchell +2 more
doaj
FishesMesopelagic fishes hold an important position in marine food webs, serving as a link between lower trophic levels and top predators and transferring energy from their deep mesopelagic habitat to shallower oceanic layers.
Nicholas Badouvas +3 more
doaj +1 more source
Larvae of Nearshore Fishes in Oceanic Waters near Oahu, Hawaii [PDF]
, 1991 Larvae of over 50 families of nearshore fishes were taken in oceanic waters about 13 km offshore of the leeward (southwest) coast of Oahu, Hawaii during 1977-78, The five most frequently taken families (Labridae, Parapercidae, Serranidae, Gobiidae, and ...
Clarke, Thomas A.
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Water Biology and SecurityLarge pelagic predatory fishes play an important role in marine ecosystems, occupying the highest position in food webs and accumulating energy and organic matter produced by aquatic organisms of lower trophic levels. Among pelagic predatory fishes, more
Alexei M. Orlov, Igor V. Volvenko
doaj +1 more source