Marine pollution originating from purse seine and longline fishing vessel operations in the Western and Central Pacific Ocean, 2003–2015

Richardson, Kelsey; Haynes, David; Talouli, Anthony; Donoghue, Michael J.

doi:10.1007/s13280-016-0811-8

Cited by 37 publications

(14 citation statements)

References 18 publications

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“…Similarly, non-monitored dFADs (i.e. those with lost or deactivated buoys) 16,37 are not accounted for. However, considering that PNA waters and the high sea pockets between their EEZs are areas with the highest dFAD densities 16 , the number of beaching events outside PNA waters may be relatively low.…”

Section: Discussionmentioning

confidence: 99%

Environmental versus operational drivers of drifting FAD beaching in the Western and Central Pacific Ocean

Escalle

Phillips

Brownjohn³

et al. 2019

Sci Rep

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In an effort to increase purse seine fishing efficiency for tropical tunas, over 30,000 drifting Fish Aggregating Devices (dFADs) are deployed every year by fishers in the Western and Central Pacific Ocean (WCPO). The use of dFADs also impacts ecosystems, in particular through marine pollution and dFAD beaching. This paper presents the first estimate of dFAD beaching events in the WCPO (>1300 in 2016–2017) and their distribution. Lagrangian simulations of virtual dFADs, released subject to contrasting deployment distributions, help us determine the relative importance of operational versus environmental drivers of dFADs drifting to beaching areas. The highest levels of beaching, occurring on Papua New Guinea and Solomon Islands, are likely a result of the prevailing westward oceanic circulation and subsequent local processes driving dFADs towards land. Similarly, high beaching rates in Tuvalu appear to be due to the general circulation of the WCPO. In contrast, beaching in Kiribati Gilbert Islands appear to be more strongly related to dFAD deployment strategy. These findings indicate that reducing beaching events via changes in deployment locations may be difficult. As such, management approaches combining dFAD deployment limits, the use of biodegradable dFADs, recoveries at-sea close to sensitive areas and/or beached dFAD removal should be considered.

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Section: Discussionmentioning

confidence: 99%

Environmental versus operational drivers of drifting FAD beaching in the Western and Central Pacific Ocean

Escalle

Phillips

Brownjohn³

et al. 2019

Sci Rep

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“…While these global gear loss estimates are understandably limited by the availability of the published literature, these estimates can be updated using unpublished data sources from fishery management organizations, fishery observers, vessel logbooks, fisher mail-in surveys and gear loss reporting databases (Gilman, 2015;Lewis et al, 2009;O'Hara & Ludicello, 1987;Richardson, Haynes, Talouli, & Donoghue, 2017;Uhrin, 2016;Washington State Derelict Fishing Gear Database, 2018). Future gear loss research that includes interviews with fishers and fisheries managers, especially for under-represented geographic areas and gear types, would additionally assist in filling knowledge gaps around fishing gear losses.…”

Section: Areas For Future Researchmentioning

confidence: 99%

Estimates of fishing gear loss rates at a global scale: A literature review and meta‐analysis

2019

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Abandoned, lost or otherwise discarded fishing gear (ALDFG) represents a significant, yet ultimately unknown amount of global marine debris, with serious environmental and socioeconomic impacts. This study reviews 68 publications from 1975 to 2017 that contain quantitative information about fishing gear losses. Gear loss estimates reported by the studies ranged widely, with all net studies reviewed reporting annual gear loss rates from 0% to 79.8%, all trap studies reporting gear loss rates from 0% to 88%, and all line studies reporting gear loss rates from 0.1% to 79.2%. Information obtained from this review was used to perform a meta‐analysis that provides the first synthetic, statistically robust estimates of global fishing gear losses. The meta‐analysis estimates global fishing gear losses for different major gear types. We estimate that 5.7% of all fishing nets, 8.6% of all traps, and 29% of all lines are lost around the world each year. Furthermore, we identified key gear characteristics, operational aspects and environmental contexts that influence gear loss. These estimates can be used to support sustainable fisheries development through informing risk assessments for fisheries and monitoring and assessment efforts to reduce gear losses.

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“…Illustrating this is the higher level of fishing effort observed around many of the UKOT outer marine limits ( Fig. 6b) and further studies may wish to consider external threats such as the regional use of Fish Aggregating Devices (Davies et al 2014) and pollution incidents (Richardson et al 2017).…”

Section: Discussionmentioning

confidence: 98%

Evidence gaps and biodiversity threats facing the marine environment of the United Kingdom’s Overseas Territories

et al. 2018

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Understanding the evidence base and identifying threats to the marine environment is critical to ensure cost-effective management and to identify priorities for future research. The United Kingdom (UK) government is responsible for approximately 2% of the world's oceans, most of which belongs to its 14 Overseas Territories (UKOTs). Containing biodiversity of global significance, and far in excess of the UK mainland's domestic species, there has recently been a strong desire from many of the UKOTs, the UK Government, and NGOs to improve marine management in these places. Implementing evidence-based marine policy is, however, challenged by the disparate nature of scientific research in the UKOTs and knowledge gaps about the threats they face. Here, we address these issues by systematically searching for scientific literature which has examined UKOT marine biodiversity and by exploring publicly available spatial threat data. We find that UKOT marine biodiversity has received consistent, but largely low, levels of scientific interest, and there is considerable geographical and subject bias in research effort. Of particular concern is the lack of research focus on management or threats to biodiversity. The extent and intensity of threats vary amongst and within the UKOTs but unsurprisingly, climate change associated threats affect them all and direct human stressors are more prevalent in those with higher human populations. To meet global goals for effective conservation and management, there is an urgent need for additional and continued investment in research and management in the Overseas Territories, particularly those that have been of lesser focus.

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Marine pollution originating from purse seine and longline fishing vessel operations in the Western and Central Pacific Ocean, 2003–2015

Cited by 37 publications

References 18 publications

Environmental versus operational drivers of drifting FAD beaching in the Western and Central Pacific Ocean

Environmental versus operational drivers of drifting FAD beaching in the Western and Central Pacific Ocean

Estimates of fishing gear loss rates at a global scale: A literature review and meta‐analysis

Evidence gaps and biodiversity threats facing the marine environment of the United Kingdom’s Overseas Territories

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