The use of fishers’ knowledge to assess benthic resource abundance across management regimes in Chilean artisanal fisheries

Garmendia, Vladimir; Subida, María Dulce; Aguilar, Ainara; Fernández, Miriam

doi:10.1016/j.marpol.2021.104425

Cited by 9 publications

(6 citation statements)

References 56 publications

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“…Since poaching is an illegal activity, seldom registered by government agencies, available information is scarce. In these highly uncertain decision-making scenarios, local knowledge is a valuable source of information, especially in coastal communities and fisheries (Burgman, 2016;Garmendia et al, 2021). In this study, the representatives of the fisher associations surveyed focused their estimates on TURFs under their management, where they regularly conduct dives for monitoring and evaluation of available resources.…”

Section: Discussionmentioning

confidence: 99%

“…Fishers' awareness of the negative impact of poaching on the ecosystem and the co-management system is an enabling condition for its control (Bergseth and Roscher, 2018). In addition, stakeholder participation in communitybased management and the improvement of the communities' livelihoods tends to reduce poaching levels, over strategies based on poaching ban (Epanda et al, 2019;Gaodirelwe et al, 2020a,b;Garmendia et al, 2021). In addition, poaching bans may be associated with situations of poverty, exclusion from access to territorial rights, and moral concerns (Sutinen and Kuperan, 1999;Gezelius, 2002).…”

Section: Discussionmentioning

confidence: 99%

“…The participation of fishers in the estimation of illegal fishing is valuable, not only because it allows the inclusion of the fishers' knowledge, but also because it strengthens the legitimacy of control and enforcement measures (FAO, 2021). For example, a recent study in Chile showed that artisanal fishers' knowledge is a reliable source of information for estimating abundance of Concholepas concholepas in TURF (Garmendia et al, 2021). However, certain limitations should be considered when using expert knowledge to make quantitative estimates, such as overconfidence, biases, and lack of replicability (Burgman, 2016).…”

Section: Research Approachmentioning

confidence: 99%

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Artisanal Fisher Association Leaders’ Estimates of Poaching in Their Exclusive Access Management Areas

Romero

Estévez

Romero³

et al. 2022

Front. Mar. Sci.

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In marine environments, poaching can become a key threat to marine ecosystem conservation. Poaching can occur in marine protected areas and/or in fishery management areas. Unfortunately, understanding the magnitude and characteristics of poaching under community based and co-management governance schemes in coastal and marine environments, has not received the attention it deserves. In Chile, a system of Territorial Users Rights for Fisheries (TURF) has been recognized as one of the largest experiences of small-scale fisheries co-management at a global scale. Currently, poaching is one of the main threats to the TURF system in Chile. In this article, we assessed poaching of a highly valuable benthic resource (Concholepas concholepas) from TURF management areas. We estimated artisanal fisher association leaders’ perceptions of poaching within their TURFs and explore determinants of poaching for Concholepas concholepas. Poaching of Concholepas concholepas showed differences along the studied sites. As expected, the greater abundance of Concholepas concholepas in the management areas generates an increased incentive to poach. Areas that make the greatest investment in surveillance are those most affected by poaching. However, our study cannot determine the effectiveness of current levels of surveillance on illegal extraction. Results show older areas tend to reduce the levels of illegal extraction, which could indicate a greater capacity and experience to control poaching. Supporting fisher associations in enforcing TURFs and following up on sanctions against perpetrators are conditioning factors, highlighted by fisher leaders, for TURF sustainability. The approach used in this study provides insights to prioritize geographies and opportunities to address poaching in small-scale co-managed fisheries.

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Section: Research Approachmentioning

confidence: 99%

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Artisanal Fisher Association Leaders’ Estimates of Poaching in Their Exclusive Access Management Areas

Romero

Estévez

Romero³

et al. 2022

Front. Mar. Sci.

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“…Collective perceptions held by fishers, also known as local ecological knowledge (LEK), offer crucial insights into trends in fish populations and anthropogenic impacts on smallscale fisheries, including fisheries management [65][66][67]. LEK, which adopts systematic and in-depth interviews of fishers, has been used to leverage the assessment of fish abundance in several studies [66,68,69], thereby giving room for inclusive fishery management [67,70,71]. Fishers' perceptions were obtained from interviews and analysed using SPSS version 25.…”

Section: Percieved Anthropogenic Effects On S Maderensis Abundancementioning

confidence: 99%

Effects of Anthropogenic Activities on Sardinella maderensis (Lowe, 1838) Fisheries in Coastal Communities of Ibeju-Lekki, Lagos, Nigeria

Adewale,

Aheto,

Okyere

et al. 2024

Sustainability

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Small-scale fisheries are significant sources of nutrition and livelihood globally. However, increasing anthropogenic activities in coastal areas of developing countries have threatened the sustainability of artisanal fisheries and species. Fisheries of Sardinella maderensis, towards the global stock of which Nigeria contributes 9% and which is a significant livelihood source in the coastal communities of Ibeju-Lekki, Lagos, faces sustainability threats. This research investigated the effects of anthropogenic activities on S. maderensis fisheries in the coastal areas of Ibeju-Lekki, Lagos, Nigeria. The study adopted a mixed-method approach involving qualitative and quantitative research methods. These included species identification, water quality analysis, land-use change analysis, field surveys, focus group discussions, and interviews. Genetic analysis of the fish samples from the study area revealed that the species had a mean of 98% similarity to S. maderensis. While major urban and industrial land use has increased by 175% in the last four decades, the catch per unit effort (CPUE) of S. maderensis declined monthly to 0.0072 kg/H between 2003 and 2019. Linear regression indicated that anthropogenic variables explained approximately 39.58% of the variation in the CPUE (p < 0.001, R2 = 0.40). Water samples showed that heavy metal levels were above international limits, with high total petroleum hydrocarbon (TPH) pollution in all stations (27.56 mg/L–3985.40 mg/L). Physiochemical analysis of water samples indicated TDS levels higher than the acceptable limits (mean = 24,971.1 mg/L) and inadequate chlorophyll-a levels (mean = 0.01 µg/L). Hence, urgent strategies are required to mitigate anthropogenic threats through inclusive coastal management policies supporting resilient artisanal fisheries.

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“…Strengthening the involvement of the fishing industry in the provision of data and experiential knowledge to support fisheries management is vogue (Stephenson et al, 2016;ICES, 2019;Steins et al, 2020;Holm et al, 2020;De Boois et al, 2021;Garmendia et al, 2021;Hart, 2021, Mangi et al, 2018Steins et al, 2022). While the topic is far from new (Johannes, 1981;Neis, 1992;Neis et al, 1999;Neis and Felt, 2000;Haggan et al, 2007;Hind, 2015), recent proliferation in applications and debates is fuelled by new demands for information to service the ecosystem approach, as well as professionalisation of the industry and moves toward more inclusive governance approaches in science and management.…”

Section: Introductionmentioning

confidence: 99%

The road to incorporating Scottish pelagic industry data in science for stock assessments

Mackinson¹,

Brigden

Craig

et al. 2023

Front. Mar. Sci.

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Fisheries data collection through industry-science partnerships have significant potential to support stock assessments and sustainable management, but few studies have described the steps taken en route to a successful partnership. This paper describes the development of the Scottish Pelagic Industry-Science Data Collection Programme; why and how it started, and what it has taken to develop a routine and consistent voluntary sampling regime of sufficient quality to become the main source of biological data on pelagic fish catches in Scotland. Using our experience, we emphasise the importance of establishing procedures that ensure the quality of methods and results, of working with institutions responsible for provision of national data, and of actively engaging with the International Council for the Exploration of the Sea (ICES) workshops and working groups on data quality, stock assessment and stakeholder engagement. The development of the programme has been, and remains to be, a mutual learning process which is reflected upon from our different institutional perspectives. The experience gained during this work has built knowledge useful for practitioners in other situations. Specifically, we identify five transferable design principles that we believe have been essential to success so far. Finally, we look at the steps ahead in our efforts toward continuous improvements.

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The use of fishers’ knowledge to assess benthic resource abundance across management regimes in Chilean artisanal fisheries

Cited by 9 publications

References 56 publications

Artisanal Fisher Association Leaders’ Estimates of Poaching in Their Exclusive Access Management Areas

Artisanal Fisher Association Leaders’ Estimates of Poaching in Their Exclusive Access Management Areas

Effects of Anthropogenic Activities on Sardinella maderensis (Lowe, 1838) Fisheries in Coastal Communities of Ibeju-Lekki, Lagos, Nigeria

The road to incorporating Scottish pelagic industry data in science for stock assessments

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