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Journal Article
Aquatic Ecosystem Health & Management (2016) 19 (4): 468–475.
Published: 01 October 2016
...Zhixin Ke; Yehui Tan; Liangmin Huang; Chunyu Zhao; Huajian Liu The Pearl River estuary is the second largest estuary in the South China Sea. The species composition and trophic structure of shrimp-trawl catches from this estuary were investigated using stable isotope analyses during the winter of...
Includes: Supplementary data
Journal Article
Aquatic Ecosystem Health & Management (2010) 13 (3): 307–318.
Published: 31 August 2010
...Ebrahim A. A. Abdulqader Based on fishermen logbooks, this study assessed turtle captures in Bahrain's shrimp trawl fishery for five fishing seasons during 1998–2003. Estimated total turtle captures were 298 ±184, 264 ±171, 433 ± 243, 394 ± 227, and 234 ± 177 cases which were caught during 39,147...
Journal Article
Aquatic Ecosystem Health & Management (2019) 22 (3): 263–279.
Published: 03 July 2019
...Owen T. Gorman Annual bottom trawl surveys were initiated in the 1970s in Laurentian Great Lakes Superior, Huron, Michigan and Ontario and in 1990 in Erie to provide annual assessments of the status and trends of prey fish communities. Native Cisco Coregonus artedi and Bloater C. hoyi dominated the...
Journal Article
Aquatic Ecosystem Health & Management (2018) 21 (2): 121–131.
Published: 03 April 2018
... status of fish stocks using standardised fish catch rate which approximated fish biomass or stock size. Results of the assessment indicated that the current fish biomass level in all three categories, bottom pair trawl, stern bottom trawl and stern mid-water trawl fisheries, is well above Blim , but is 9...
Journal Article
Aquatic Ecosystem Health & Management (2018) 21 (2): 152–158.
Published: 03 April 2018
...Alexander E. M. Bulirani; Emmanuel K. W. H. Kaunda; Jeremy Likongwe; George F. Turner; Olaf F. Weyl The reproductive biology and size structure was determined for Lethrinops gossei , one of the most abundant fish species contributing 26% of the catch in the demersal trawl fishery of the Southeast...
Journal Article
Aquatic Ecosystem Health & Management (2007) 10 (4): 398–406.
Published: 28 November 2007
...–integrator with a 120 kHz split–beam transducer. Fish samples were collected using a frame trawl, bottom trawl and pelagic trawl, all lined with 5 mm mesh size netting. The mean total biomass of R. argentea in the lake was 476,902 ± 339,308 t at an average fish density of 7.3 ± 5.4 t km −2 in the sampled...
Journal Article
Aquatic Ecosystem Health & Management (2019) 22 (2): 141–148.
Published: 03 April 2019
...Adel H. Alsaffar; Weizhong Chen Boubyan Island is essentially undeveloped and the largest island in the northwest of the Arabian Gulf. Small otter trawls were used to sample 12 stations circling Boubyan Island each month, except November, from February 2004 through February 2005. All trawl catches...
Journal Article
Aquatic Ecosystem Health & Management (2007) 10 (4): 449–457.
Published: 28 November 2007
... independent data from bottom trawl surveys and fisheries dependent data from catch assessment and frame surveys were used. Current exploitation levels and practices are analysed and linked to growth, mortality and reproductive characteristics of the stock. Abundance estimates and distribution patterns are...
Journal Article
Aquatic Ecosystem Health & Management (2012) 15 (3): 333–354.
Published: 01 July 2012
...Owen T. Gorman; Daniel L. Yule; Jason D. Stockwell Diel patterns of distribution of fishes in nearshore (15–80 m depth) and offshore (>80 m) waters of the Apostle Islands region of Lake Superior were described using bottom trawls, mid-water trawls, and acoustic gear during day and night sampling...
Journal Article
Aquatic Ecosystem Health & Management (2008) 11 (2): 212–224.
Published: 06 June 2008
...Steen Christensen; Dang van Thi Based on catch and effort data analyses covering the period 1996–2002, time series of catch rates in the trawl fisheries in the South China Sea along the coasts of Bac Lieu and Ca Mau in South East Vietnam were estimated. The indicators include catch rates for total...
Journal Article
Aquatic Ecosystem Health & Management (2020) 23 (3): 350–365.
Published: 02 July 2020
...Edward F. Roseman; Stephen C. Riley; Taaja R. Tucker; Steven A. Farha; Scott A. Jackson; Dustin A. Bowser Rehabilitation efforts for Lake Trout Salvelinus namaycush in Lake Huron have resulted in increased capture of young wild Lake Trout in annual bottom trawl surveys conducted by the U.S...
Includes: Supplementary data
Journal Article
Aquatic Ecosystem Health & Management (2010) 13 (2): 196–202.
Published: 28 May 2010
... fishery catches, and its importance to the composition of the diet of Nile perch ( Lates niloticus L .), and to the bottom trawl catches, were investigated. From August 2006 to January 2007, the mean C. nilotica CPUE was 1.68 ± 1.20 kg boat −1 day −1 at Kijiweni and Igombe, and its 0.37% contribution to...
Journal Article
Aquatic Ecosystem Health & Management (1999) 2 (3): 255–269.
Published: 01 January 1999
...J.M. Casselman; K.A. Scott; D.M. Brown; C.J. Robinson Abstract Intensive long-term index sampling of the fish communities of eastern Lake Ontario (outlet basin—gill netting, 1958–98, average annual effort 16.3 km of netting; bottom trawling, 1972–98, 23.0 km; Bay of Quinte—bottom trawling, 1972–98...
Image
Published: 02 July 2020
Figure 1. Locations of transects sampled by the USGS fall bottom trawl survey in Lake Huron, 2008–2017. More
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Published: 03 April 2018
Figure 2. Trends in observed and predicted CPUE values for the Pair trawl fishery in southern Lake Malawi. The dashed horizontal line indicates the level at which precautionary measures should be undertaken. More
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Published: 03 July 2019
Figure 1. Locations of bottom trawl sampling sites used for prey fish assessments in the Laurentian Great Lakes (LGL) during 1978-2016. More
Image
Published: 03 April 2018
Figure 4. Selection ogive in the demersal stern trawl showing 12 cm TL (120 mm) as the L 50%sel . More
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Published: 03 April 2019
Figure 2. Location of trawls sampling stations (St01 to St12) at Boubyan Island. More
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Published: 09 December 2008
Figure 5. Lake whitefish year-class strength as measured by mean bottom trawl (CUE) of age-0 fish in late summer in the Bay of Quinte (Conway) and Kingston Basin (Timber Is), 1972–2005 (no trawling in 1989). More
Image
Published: 31 August 2010
Figure 1. Location of shrimp trawl net fishing areas (indicated by number). Bahrain territorial waters bounded by black line. More