Results 21 to 30 of about 24,636 (143)

Enhanced data collection in the Canadian Arctic for seabird bycatch information yields highly variable results

open access: yesArctic Science
Incidental catch of seabirds (bycatch) in fisheries has been identified as a major threat to the conservation of seabird populations. Acquiring accurate, detailed data on seabird bycatch is an ongoing challenge to effective integrated ecosystem ...
Jennifer F. Provencher   +2 more
doaj   +2 more sources

Use of rapid assessments of fishery bycatch of Humboldt penguins Spheniscus humboldti in Peru and Chile to help identify conservation priorities [PDF]

open access: yesRoyal Society Open Science
The Humboldt penguin (Spheniscus humboldti) is a threatened species endemic to the Humboldt current system along the coasts of Peru and Chile. The species faces numerous and significant threats contributing to its declining population among which one of ...
Eduardo Segura-Cobeña   +15 more
doaj   +2 more sources

Evaluating the appropriateness of risk-based approaches to assess the sustainability of fishery impacts on seabirds

open access: yesEndangered Species Research, 2023
Many seabird populations are declining, with fisheries bycatch as one of the greatest threats. Explicit risk criteria should be used to identify whether bycatch is a problem for particular species and fisheries, but these are often poorly defined.
SD Good   +5 more
doaj   +1 more source

Evaluation of the effectiveness of light streamer tori-lines and characteristics of bait attacks by seabirds in the western North Pacific. [PDF]

open access: yesPLoS ONE, 2012
To improve the effectiveness of tori-lines it is necessary to evaluate the ability of tori-lines to mitigate seabird bycatch and determine what kind of seabird species gather during line settings, attack the bait and are incidentally caught. We conducted
Noriyosi Sato   +3 more
doaj   +1 more source

The economic cost of seabird bycatch in Argentinean longline fisheries [PDF]

open access: yes, 2012
Seabird mortality in longline fisheries is believed to be an important cause of the reductions in many seabird populations worldwide, and results in reduced fishing efficiency and economic losses for fishing companies.
Frere, Esteban   +1 more
core   +2 more sources

An investigation of factors related to the bycatch of small cetaceans in fishing gear [PDF]

open access: yes, 2011
The bycatch of cetaceans in fishing gear is considered to be one of the biggest conservation threats to these species. Gear modifications have the potential to reduce these bycatches in global fisheries but there is little available information on how ...
Mackay, Alice I.
core   +2 more sources

Advances in Scale Assessment of Seabird Bycatch: A New Methodological Framework

open access: yesDiversity, 2023
This paper presents a methodology for indirectly estimating the scale of seabird bycatch using existing data. The study focuses on five key species of ducks that winter in the Polish waters of the Baltic Sea and are highly susceptible to bycatch: Long ...
Dominik Marchowski
doaj   +1 more source

The incursion of Highly Pathogenic Avian Influenza (HPAI) into North Atlantic seabird populations: an interim report from the 15th International Seabird Group conference [PDF]

open access: yes, 2022
The H5N1 Highly Pathogenic Avian Influenza (HPAI) outbreak devastated populations of North Atlantic seabirds in the 2022 breeding season. Positive cases of HPAI in seabirds were previously reported in Great Skuas Stercorarius skua colonies in the 2021 ...
Tyler, Glen   +15 more
core   +1 more source

Illuminating gillnets to save seabirds and the potential for multi-taxa bycatch mitigation [PDF]

open access: yesRoyal Society Open Science, 2018
Bycatch in net fisheries is recognized as a major source of mortality for many marine species, including seabirds. Few mitigation solutions, however, have been identified.
Jeffrey C. Mangel   +7 more
doaj   +1 more source

Estimating the impact of bycatch and calculating bycatch limits to achieve conservation objectives as applied to harbour porpoise in the North Sea [PDF]

open access: yes, 2009
Incidental catch, or bycatch, of harbour porpoise (Phocoena phocoena) in fishing operations is an international conservation issue. The main objective of this thesis was to develop methods for determining the impact of bycatch on the state and dynamics ...
Winship, Arliss
core   +2 more sources

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