Local ecological knowledge concurs with fishing statistics: An example from the abalone fishery in Baja California, Mexico

Sáenz–Arroyo, Andrea; Revollo-Fernández, Daniel A.

doi:10.1016/j.marpol.2016.06.006

Cited by 45 publications

(30 citation statements)

References 32 publications

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“…We contribute to growing literature highlighting the utility of traditional and local experiential knowledge in documenting species abundance and trends. For example, local knowledge-based abundance trends for year from federal fisheries agency population index site monitoring surveys harbor seal, Pacific herring, and lingcod in Puget Sound corroborated those from western science, supporting similarly derived rockfish abundance trends (Beaudreau & Levin, 2014) and in Mexico, abalone fishers' knowledge correlated well with historical landing records, legitimizing trends from both sources (Saenz-Arroyo & Revollo-Fernandez, 2016).…”

Section: Tk and Wsk Broaden Views Of Abalone Trendsmentioning

confidence: 64%

Diverse knowledge systems reveal social–ecological dynamics that inform species conservation status

Lee

Thorley

Watson

et al. 2018

CONSERVATION LETTERS

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Understanding changes over historical timescales is essential to gauge conservation status of a species. Modern ecological data typically neglect past magnitudes of change, which fortunately can be evaluated by bridging disparate knowledge sources. We synthesized zooarchaeological, historical, traditional, and western science knowledge to document changes in relative abundance of key species in Canada's northern abalone social–ecological system (SES) from the Holocene to present. Integrated models fit to traditional and western science data revealed 3.7% annual population decline from 1940s to 2010s for large abalone, although traditional knowledge density estimates were 9.5× higher than those derived from western science. Abalone are presently scarce compared to the mid‐1900s, but more abundant than before the early 1800s, calling their endangered status into question. Linking multiple knowledge sources can build SES understanding, facilitate power sharing, and support ecologically sustainable and socially just conservation outcomes.

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Section: Tk and Wsk Broaden Views Of Abalone Trendsmentioning

confidence: 64%

Diverse knowledge systems reveal social–ecological dynamics that inform species conservation status

Lee

Thorley

Watson

et al. 2018

CONSERVATION LETTERS

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“…O conhecimento tradicional tem sido amplamente utilizado em estudos científicos para avaliar o estado de conservação de espécies marinhas (Sáenz-Arroyo & Revollo-Fernández, 2016). Porém, poucos são os trabalhos realizados com foco nos elasmobrânquios, mesmo sendo este um meio de inferir sobre o nível de exploração dos organismos (Giglio & BornatowskI, 2016;Reis-Filho et al, 2016;Feitosa et al, 2017).…”

Section: Discussionunclassified

O Conhecimento Ecológico Local Dos Pescadores Artesanais Sobre Os Elasmobrânquios Marinho-Costeiros Na Apa Do Delta Do Parnaíba, Nordeste Do Brasil

Aragão

Pessoa

Kotas³

et al. 2019

ACMAR

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O conhecimento ecológico tradicional consiste na forma em que as populações tradicionais se apropriam e usam os recursos naturais. A partir desse conceito buscou-se interpretar o conhecimento e as percepções dos pescadores artesanais da APA do Delta do Parnaíba sobre aspectos ecológicos dos elasmobrânquios e a conservação desse grupo. Para atender ao objetivo, foram aplicadas 100 entrevistas semiestruturadas. Os resultados, a partir dos registros do conhecimento local, indicaram a ocorrência de oito espécies de raias e nove de tubarões. A pesca incidental de raias e tubarões ocorre durante todo o ano, inclusive de espécies ameaçadas. Apesar disso, os pescadores demonstraram entender.sobre a importância da conservação desse grupo. Os dados obtidos indicaram associação entre o conhecimento ecológico tradicional e a literatura científica. Além disso, os dados sugerem a necessidade de uma intervenção imediata no que diz respeito à fiscalização dos desembarques e campanhas educativas na região, pois ocorre a captura de espécies ameaçadas (i.e. Ginglymostoma cirratum). O trabalho com comunidades tradicionais pode contribuir com pesquisas e gestão participativa da pesca.Palavras-chave: povos tradicionais, tubarões, raias, extrativismo.

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“…A critical approach to non‐traditional data sources should not be confused with invalidating the credibility of place‐based empirical knowledge, which is based on experiential information accrued over generations, with its own particular epistemologies (Beaudreau & Levin, ; Idrobo & Berkes, ; Mistry & Berardi, ). Invalidating such knowledge without attempting to confront epistemological differences risks creating value judgements embedded in forms of colonial representation (Mistry & Berardi, ; Sáenz‐Arroyo & Revollo‐Fernández, ). Rather than seeing place‐based empirical knowledge as subjective and arbitrary—in contrast with the perception of science as objective and rigorous—we must make a concerted effort to bridge epistemological gaps, recognizing that all forms of knowledge are value‐laden and produced by socially situated actors (Mistry & Berardi, ).…”

Section: Discussionmentioning

confidence: 99%

“…A critical approach to non-traditional data sources should not be confused with invalidating the credibility of place-based empirical knowledge, which is based on experiential information accrued over generations, with its own particular epistemologies (Beaudreau & Levin, 2014;Idrobo & Berkes, 2012;Mistry & Berardi, 2016). Invalidating such knowledge without attempting to confront epistemological differences risks creating value judgements embedded in forms of colonial representation (Mistry & Berardi, 2016;Sáenz-Arroyo & Revollo-Fernández, 2016).…”

Section: Integrating Local and Scientific Knowledgementioning

confidence: 99%

“…Globally, sea turtles have been exploited for millennia; however, monitoring time frames in the central and eastern Pacific span <50 years (Balazs & Chaloupka, 2004;Bjorndal & Jackson, 2003;Kittinger, Van Houtan, McClenachan, & Lawrence, 2013;Seminoff, 2010). In datapoor scenarios such as this one, historical data and fishers' knowledge are crucial to understanding change over time (McClenachan, Cooper, McKenzie, & Drew, 2015;McClenachan, Ferretti, & Baum, 2012;Sáenz-Arroyo & Revollo-Fernández, 2016;Sáenz-Arroyo, Roberts, Torre, Cariño-Olvera, & Hawkins, 2006;Schwerdtner Máñez et al, 2014;Thurstan et al, 2015). The importance of non-traditional data has increasingly gained attention since the publication of pioneering research such as Jackson et al (2001) work on the collapse of coastal ecosystems, McClenachan and Kittinger's (2012) Schwerdtner Máñez et al, 2014;Thurstan et al, 2015).…”

mentioning

confidence: 99%

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Reconstructing 290 years of a data‐poor fishery through ethnographic and archival research: The East Pacific green turtle (Chelonia mydas) in Baja California, Mexico

et al. 2017

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Evaluating historical changes in the exploitation of marine organisms is a key challenge in fisheries ecology and marine conservation. In the Eastern Pacific, marine turtles were exploited for millennia before systematic monitoring began <50 years ago. Using ethnographic and historical data, we generated a detailed reconstruction of the East Pacific green sea turtle (Chelonia mydas) fishery in Mexico's Baja California peninsula from 1700 to 1990. Sea turtles from the region's important feeding areas were a staple food source from the earliest phases of human occupation, dating back at least 12,000 years. In contrast with regions such as the Caribbean, small human populations and limited market access resulted in apparently sustainable turtle harvests until the second half of the 20th century. We found that the estimated annual catches between 1960 and 1980 exceeded the estimated annual catches of the previous 250 years by an order of magnitude, leading to the collapse of the fishery and the depletion of the green turtle population. A total ban on sea turtle captures in 1990, comprehensive nesting beach protection, and significant conservation efforts resulted in increases in breeding females on nesting beaches and catch rates in scientific monitoring on main feeding grounds since the early 2000s. This provides a positive outlook for this once‐depleted population segment. Although further research is needed to evaluate current conservation status, we have identified a date, between 1950 and 1960, which can serve as a reliable temporal reference for future evaluations of historical baseline abundance in this region.

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Local ecological knowledge concurs with fishing statistics: An example from the abalone fishery in Baja California, Mexico

Cited by 45 publications

References 32 publications

Diverse knowledge systems reveal social–ecological dynamics that inform species conservation status

Diverse knowledge systems reveal social–ecological dynamics that inform species conservation status

O Conhecimento Ecológico Local Dos Pescadores Artesanais Sobre Os Elasmobrânquios Marinho-Costeiros Na Apa Do Delta Do Parnaíba, Nordeste Do Brasil

Reconstructing 290 years of a data‐poor fishery through ethnographic and archival research: The East Pacific green turtle (Chelonia mydas) in Baja California, Mexico

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