EurekaMag
+ Translate
+ Most Popular
Gaucher's disease;thirty-two years experience at Siriraj Hospital
A study of Macrobathra Meyrick from China (Lepidoptera, Cosmopterigidae)
First occurrence in ores of tetragonal chalcocite
Effects of trace element nutrition on sleep patterns in adult women
N.Z. range management guidelines. 2. Design of grazing management systems for tussock country
A case of lipoma of the esophagus
A revision of world Acanthosomatidae (Heteroptera: Pentatomidae): keys to and descriptions of subfamilies, tribes and genera, with designation of types
Life history of the coronate scyphozoan Linuche unguiculata (Swartz, 1788)
Perceptual restoration of obliterated sounds
Mutagenicity studies on two chromium(III) coordination compounds
The formation of the skeleton. I. Growth of a long bone. 1st appearance of a center of calcification
Leucopenia and abnormal liver function in travellers on malaria chemoprophylaxis
The joint commission: four key root causes loom large in sentinel event data
Treatment of vitiligo with topical 15% lactic acid solution in combination with ultra violet-A
Behaviour of dairy cows within three hours after feed supply: I. Influence of housing type and time elapsing after feed supply
Observations of the propagation velocity and formation mechanism of burst fractures caused by gunshot
Management and control of patients with type 2 diabetes mellitus in Lebanon: results from the International Diabetes Management Practices Study (IDMPS)
The diet composition and nutritional knowledge of patients with anorexia nervosa
Physoporella croatica Herak, 1958 of the Slovak karst Anisian (Slovakia, the West Carpathians Mts.)
Bright lights, big noise. How effective are vehicle warning systems?
Ein Plesiosaurier-Rest mit Magensteinen aus mittlerem Lias von Quedlinburg
Incidence of Chlamydia trachomatis in patients with sterility
Monster soup: the microscope and Victorian fantasy
Preliminary tests with residual sprays against poultry lice
Duration of the life of plants in phylogeny

Trawling regime influences longline seabird bycatch in the Mediterranean new insights from a small-scale fishery


Trawling regime influences longline seabird bycatch in the Mediterranean new insights from a small-scale fishery



Marine Ecology Progress Series 420: 241-252



ISSN/ISBN: 0171-8630

Unintended mortality in longlines emerged in the early 1990s as one of the most important threats for pelagic seabirds worldwide. Most of the studies were focused on highly developed industrial fisheries, overlooking bycatch in small-scale artisanal fisheries. However, bycatch in small-scale fisheries might have negative effects similar to those of industrial fisheries when they overlap with hotspot areas of top predators. Moreover, different types of fishing gear coexist in the same oceanographic area, particularly in highly exploited marine ecosystems such as the western Mediterranean. We quantify for the first time the influence of trawling regime on Cory's shearwater Calonectris diomedea bycatch in the western Mediterranean longline artisanal fishery. The availability of trawling discards has substantial influence on the foraging and breeding ecology of many seabirds, and trawling inactivity may drive shearwaters to seek alternative food resources, such as baits used in longline fishing. Based on our previous knowledge of the system, we also tested other variables affecting bycatch over 8 yr (1998 to 2005). Within this 2-fishery framework, we found that trawling regime, longline fishing time and breeding stage were key factors explaining shearwater attendance to longline vessels, but mainly trawling regime and fishing time increased the incidental capture of Cory's shearwaters. More specifically, during the pre-breeding and chick-rearing periods, bycatch dramatically increased during sunrise sets in the absence of trawling activity. Importantly, this study indicates the need for an integrated multi-fisheries management approach for the conservation of seabirds and highlights the necessity of banning longline fishing during periods of trawling inactivity.

Please choose payment method:






(PDF emailed within 1 workday: $29.90)

Accession: 037483369

Download citation: RISBibTeXText

Related references

Characterizing seabird bycatch in the eastern Australian tuna and billfish pelagic longline fishery in relation to temporal, spatial and biological influences. Aquatic Conservation: Marine and Freshwater Ecosystems 20(5): 531-542, 2010

Modeling Low Rates of Seabird Bycatch in the U.S. Atlantic Longline Fishery. Waterbirds 34(3): 289-303, 2011

Reducing seabird bycatch in the Hawaii longline tuna fishery. Endangered Species Research: 2 3, 309-323, 2008

Seabird bycatch in the pelagic longline fishery off southern Africa. African Journal of Marine Science 31(2): 191-204, 2009

Seabird bycatch in the demersal longline fishery off southern Africa. African Journal of Marine Science 31(2): 205-214, 2009

Effects of Small (13/0) Circle Hooks on Loggerhead Sea Turtle Bycatch in a Small-Scale, Italian Pelagic Longline Fishery. Bulletin of Marine Science 88(3): 719-730, 2012

Risk Factors for Seabird Bycatch in a Pelagic Longline Tuna Fishery. Plos one 11(5): E0155477, 2016

How much do we know about seabird bycatch in pelagic longline fisheries? A simulation study on the potential bias caused by the usually unobserved portion of seabird bycatch. Plos one 14(8): E0220797, 2019

Seabird bycatch in the southwest Atlantic interaction with the Uruguayan pelagic longline fishery. Polar Biology 32(2): 187-196, 2009

Patterns and trends in seabird bycatch in the pelagic longline fishery off South Africa. African Journal of Marine Science 39(1): 9-25, 2017

Hook Effects on Seabird Bycatch in the United States Atlantic Pelagic Longline Fishery. Bulletin of Marine Science 88(3): 559-569, 2012

Seabird bycatch in the Brazilian pelagic longline fishery and a review of capture rates in the southwestern Atlantic Ocean. Endangered Species Research: 2 3, 137-147, 2008

Multivariate effects on seabird bycatch in the legal Patagonian toothfish longline fishery around Crozet and Kerguelen Islands. Polar Biology 33(3): 367-378, 2010

Performance assessment of an underwater setting chute to mitigate seabird bycatch in the Hawaii pelagic longline tuna fishery. Ocean and Coastal Management 46(11-12): 985-1010, 2003

Seabird bycatch in Spanish Mediterranean large pelagic longline fisheries, 2000-2008. Aquatic Living Resources 23(4): 363-371, 2010