Dataset Information

Disputed Territories in Southeastern Brazil: Effects of the Serra da Bocaina National Park on Nearby Coastal Communities.

ABSTRACT: The establishment of national parks in Brazil has been made based on a history of conflicts with local populations living within the limits or buffer zones of protected areas. These conflicts begin with disputes over territorial ownership. They affect local livelihoods, access to and use of space and natural resources, and create power asymmetries. In response to these conflicts, the Federal Conservation Agency has put forward norms that guarantee inclusive arenas for local people to take part in negotiations with park managers. In this study, environmental conflicts caused by the implementation of parks overlapping local population territories are analyzed aiming to understand their role as mechanisms promoting institutional changes. We collected data from two communities that overlap the Serra da Bocaina National Park through interviews, workshops, and direct observations. For each community, we characterized conflicts involving the community and Park officers. We identified consequences to the community's livelihoods and analyzed their influence on institutional change. The results suggest that one community responded to conservation conflicts through actions towards negotiation and collaboration with the national park. The other community promoted changes in agricultural production methods and sought new markets as a strategy for staying in the territory. Conflicts are effective as a mechanism for institutional changes, as local actors articulate with autonomous organizations at different levels. We highlight the importance of a continuous documentation on conflicts and their consequences to rural livelihoods in both communities and conflict management actions taken by the Park in the long term.

SUBMITTER: de Freitas RR

PROVIDER: S-EPMC7547298 | biostudies-literature | 2020 Oct

REPOSITORIES: biostudies-literature

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Disputed Territories in Southeastern Brazil: Effects of the Serra da Bocaina National Park on Nearby Coastal Communities.

de Freitas Rodrigo Rodrigues RR de Araujo Luciana Gomes LG

Environmental management 20201010 6

The establishment of national parks in Brazil has been made based on a history of conflicts with local populations living within the limits or buffer zones of protected areas. These conflicts begin with disputes over territorial ownership. They affect local livelihoods, access to and use of space and natural resources, and create power asymmetries. In response to these conflicts, the Federal Conservation Agency has put forward norms that guarantee inclusive arenas for local people to take part i ...[more]

PMID: 33037896

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Project description:Paleo-drainage connections and headwater stream-captures are two main historical processes shaping the distribution of strictly freshwater fishes. Recently, bathymetric-based methods of paleo-drainage reconstruction have opened new possibilities to investigate how these processes have shaped the genetic structure of freshwater organisms. In this context, the present study used paleo-drainage reconstructions and single-locus cluster delimitation analyses to examine genetic structure on the whole distribution of Pareiorhaphis garbei, a 'near threatened' armored catfish from the Fluminense freshwater ecoregion in Southeastern Brazil. Sequences of two mitochondrial genes (cytochrome b and cytochrome c oxidase subunit 1) were obtained from five sampling sites in four coastal drainages: Macaé (KAE), São João (SJO), Guapi-Macacu [sub-basins Guapiaçu (GAC) and Guapimirim (GMI)], and Santo Aleixo (SAL). Pronounced genetic structure was found, involving 10 haplotypes for cytB and 6 for coi, with no haplotypes shared between localities. Coalescent-based delineation methods as well as distance-based methods revealed genetic clusters corresponding to each sample site. Paleo-drainage reconstructions showed two putative paleo-rivers: an eastern one connecting KAE and SJO; and a western one merging in the Guanabara Bay (GAC, GMI, and SAL). A disagreement was uncovered between the inferred past riverine connections and current population genetic structure. Although KAE and SJO belong to the same paleo-river, the latter is more closely related to specimens from the Guanabara paleo-river. This discordance between paleo-drainage connections and phylogenetic structure may indicate an ancient stream-capture event in headwaters of this region. Furthermore, all analyses showed high divergence between KAE and the other lineages, suggesting at least one cryptic species in the latter, and that the nominal species should be restricted to the Macaé river basin, its type locality. In this drainage, impacts such as the invasive species and habitat loss can be especially threatening for such species with a narrow range. Our results also suggest that freshwater fishes from headwaters in the Serra do Mar mountains might have different biogeographical patterns than those from the lowlands, indicating a complex and dynamic climatic and geomorphological history.

Dataset Information

Disputed Territories in Southeastern Brazil: Effects of the Serra da Bocaina National Park on Nearby Coastal Communities.

Publications

Disputed Territories in Southeastern Brazil: Effects of the Serra da Bocaina National Park on Nearby Coastal Communities.

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