Resource sustainability in small-scale fisheries in the Lower Amazon floodplains

Castello, Leandro; McGrath, David; Beck, Pieter S. A.

doi:10.1016/j.fishres.2011.05.002

Cited by 77 publications

(74 citation statements)

References 35 publications

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“…Marine defaunation shadows have been observed around urban markets, in the form of market proximity-dependent declines in target seafood species, or even whole fish communities (11)(12)(13)(14). Tropical inland fisheries have also been overexploited (8), yet evidence is based on local effects of rural-subsistence fishing (8,15), so the impacts of overfishing inland waters to supply urban markets are unclear. Modeled bushmeat market data suggesting that rainforest defaunation shadows exist around urban areas (16)(17)(18) are supported by recent empirical evidence that in situ terrestrial wildlife population impacts are greatest nearer small towns (19).…”

mentioning

confidence: 99%

Rainforest metropolis casts 1,000-km defaunation shadow

Tregidgo

Barlow

Pompeu

et al. 2017

Proc. Natl. Acad. Sci. U.S.A.

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Tropical rainforest regions are urbanizing rapidly, yet the role of emerging metropolises in driving wildlife overharvesting in forests and inland waters is unknown. We present evidence of a large defaunation shadow around a rainforest metropolis. Using interviews with 392 rural fishers, we show that fishing has severely depleted a large-bodied keystone fish species, tambaqui (Colossoma macropomum), with an impact extending over 1,000 km from the rainforest city of Manaus (population 2.1 million). There was strong evidence of defaunation within this area, including a 50% reduction in body size and catch rate (catch per unit effort). Our findings link these declines to city-based boats that provide rural fishers with reliable access to fish buyers and ice and likely impact rural fisher livelihoods and flooded forest biodiversity. This empirical evidence that urban markets can defaunate deep into rainforest wilderness has implications for other urbanizing socioecological systems.ecological footprint | fishing down | overfishing | urbanization | freshwater biodiversity

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mentioning

confidence: 99%

Rainforest metropolis casts 1,000-km defaunation shadow

Tregidgo

Barlow

Pompeu

et al. 2017

Proc. Natl. Acad. Sci. U.S.A.

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“…Legend for symbols in MCA map (See Figure 4 and Figure 6). gold mining, overfishing and changes in river seasonality due to climate change have been described in other studies (Castello et al 2011;Pérez-Rincón 2014;Portocarrero-Aya and Cowx 2015;Hurd et al 2016), thus strengthening the argument for improving the current environmental management plans implemented in the region.…”

Section: Contributions To Community-based Management and Institutionsmentioning

confidence: 57%

Assessing and mapping cultural ecosystem services at community level in the Colombian Amazon

Angarita-Baéz

Pérez-Miñana

Vargas

et al. 2017

International Journal of Biodiversity Science, Ecosystem Servic

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Understanding the significance that cultural ecosystem services (CES) have for traditional communities will provide useful input to the design of more appropriate regional or territorial plans for the area in which they are located. We conducted semi-structured surveys in 11 indigenous communities within the corregimiento La Pedrera, of the Colombian Amazon. We analysed the CES established in the region through a study of their preferences in relation to the service providing units (SPUs) identified, using the Shannon diversity index method as an indicator of 'diversity of use'. More CES were identified in communities with a larger population; education and recreation were the two most prevalent CES categories in the study area. Our findings also highlight the cultural importance of bodies of water, which were strongly linked with Spiritual and Sense of Place CES. Furthermore, the integration of qualitative and quantitative assessments enables a better understanding of the importance CES which have for the local communities involved in the study and may assist in the management of the indigenous territory.ARTICLE HISTORY

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“…A study comparing fishing productivity in 9 pairs of lakes, one managed and the other unmanaged, found that on average fishing effort was 60% more productive in lakes with effective management agreements compared to those without such agreements (Almeida 2006). Castello et al (2011b) also found that managed lakes had a higher proportion of sexually mature individuals and high-value species. These results support the idea that lakes can be effective management units for floodplain fisheries and that fishing agreements can have a positive effect on floodplain fish populations, despite large seasonal variations in water levels and the migratory behavior of many commercial fish species.…”

Section: Co-management Of Floodplain Fisheriesmentioning

confidence: 83%

Market Formalization, Governance, and the Integration of Community Fisheries in the Brazilian Amazon

McGrath

Castello

Almeida

et al. 2015

Society & Natural Resources

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A major trend in global trade in forest, animal, and agricultural products is the implementation of importation policies and development of private sector standards and certification mechanisms to promote the sustainable management of natural resources in the countries of origin. In many cases, ensuring sustainable origins involves requirements that small-scale rural producers and fishers cannot meet. This article investigates the formalization of community-based floodplain fisheries in the Brazilian Amazon, including (a) the development of federal and state fisheries management policies, (b) the parallel development of community management systems, and (c) the role of these processes in the evolution of fisheries management in the Lower Amazon region. We argue here that market-oriented solutions, such as third-party certification, are insufficient. Government support for and collaboration with producers and industry are essential to creating conditions that enable fishing communities to sustainably manage their fisheries.

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Resource sustainability in small-scale fisheries in the Lower Amazon floodplains

Cited by 77 publications

References 35 publications

Rainforest metropolis casts 1,000-km defaunation shadow

Rainforest metropolis casts 1,000-km defaunation shadow

Assessing and mapping cultural ecosystem services at community level in the Colombian Amazon

Market Formalization, Governance, and the Integration of Community Fisheries in the Brazilian Amazon

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