Indigenous urbanization in Amazonia: A new context for social and territorial articulation

La idea generalizada de la Amazonia como una región compuesta principalmente por poblaciones bosquesinas está desactualizada: una gran parte de la población indígena o rural vive o está fuertemente vinculada a los centros urbanos. Dicha tendencia no implica necesariamente un proceso de éxodo o abandono de los espacios rurales o una simple desterritorialización; más bien instaura un nuevo régimen caracterizado por la movilidad, la diversificación económica, y un patrón residencial y de apropiación territorial multisituado, distribuido y dinámico. Una consiguiente mayor articulación simbólica y material a lo largo del extenso y complejo interfaz urbano-rural se evidencia en nuevos procesos de transformación y coproducción a nivel corporal, social, étnico, ambiental y territorial. Situada en los márgenes de la modernidad neoliberal, dicha coyuntura muestra a la vez ciertas tendencias históricas y culturales, característicamente amazónicas.The generalized view of Amazonia as predominantly rural is outdated: a large part of the rural and indigenous population either lives in or is strongly linked to urban centres. Such a trend does not signify rural exodus, abandonment or straightforward de-territorialization, however but rather reveals the onset of a new regime characterized by a highly diversified livelihood and subsistence strategy with accompanying levels of circular mobility, multi-sited and distributed forms of settlement and territoriality. A greater degree of connectivity and increased symbolic and material exchanges along a large, complex urban-rural interface is reflected in multiple and simultaneous processes of corporeal, social, ethnic, environmental, and territorial transformation and co-production. Situated at the margins of neoliberal modernity this new juncture reveals certain historical continuities and cultural trends which we deem characteristically Amazonian.- Grupo de investigación Antropología y Filosofía (SEJ-126). Universidad de Granada. - Área de Antropología Social. Universidad de Jaén. - Laborarorio de Antropología Social y Cultural (HUM-472). Universidad de Almería. - Departamento de Filosofía II. Universidad de Granada

Livestock Management Within a Traditional Agrosilvopastoral System in Northern Minas Gerais, Brazil: A Model for Reconciling Livelihoods and Conservation at a Time of Environmental Change

We examine the ongoing transformation of the livestock raising component of a complex agrosilvopastoral management sys- tem associated with the Geraizeiro of northern Minas Gerais state, Brazil. Increasing droughts and regional climate change, associated with large-scale corporate enclosures of upland rangelands and conversion to eucalyptus plantations for indus- trial charcoal production have undermined solta, a customary form of extensive cattle raising and centerpiece of Geraizeiro lifeways. In response, farmers are adapting and transforming another, more intense form of livestock raising associated with managed agroforestry in lower-lying areas, manga. Using a social-ecological systems approach and drawing on extensive interviews and ecological inventories, we consider such changes within the overall integrity of the system, suggesting the need to reconsider the role of the Geraizeiros and their use of cattle and fire as a potentially useful tool in reconciling liveli- hoods and conservation, particularly amidst accelerating social and environmental change and the concomitant threats to the savanna biocultural biome

Increasing dominance of large lianas in Amazonian forests

Ecological orthodoxy suggests that old-growth forests should be close to dynamic equilibrium, but this view has been challenged by recent findings that neotropical forests are accumulating carbon and biomass, possibly in response to the increasing atmospheric concentrations of carbon dioxide. However, it is unclear whether the recent increase in tree biomass has been accompanied by a shift in community composition. Such changes could reduce or enhance the carbon storage potential of old-growth forests in the long term. Here we show that non-fragmented Amazon forests are experiencing a concerted increase in the density, basal area and mean size of woody climbing plants (lianas). Over the last two decades of the twentieth century the dominance of large lianas relative to trees has increased by 1.7–4.6% a year. Lianas enhance tree mortality and suppress tree growth, so their rapid increase implies that the tropical terrestrial carbon sink may shut down sooner than current models suggest. Predictions of future tropical carbon fluxes will need to account for the changing composition and dynamics of supposedly undisturbed forests

Traditional knowledge of wild edible plants used in the northwest of the Iberian Peninsula (Spain and Portugal): a comparative study

<p>Abstract</p> <p>Background</p> <p>We compare traditional knowledge and use of wild edible plants in six rural regions of the northwest of the Iberian Peninsula as follows: Campoo, Picos de Europa, Piloña, Sanabria and Caurel in Spain and Parque Natural de Montesinho in Portugal.</p> <p>Methods</p> <p>Data on the use of 97 species were collected through informed consent semi-structured interviews with local informants. A semi-quantitative approach was used to document the relative importance of each species and to indicate differences in selection criteria for consuming wild food species in the regions studied.</p> <p>Results and discussion</p> <p>The most significant species include many wild berries and nuts (e.g. <it>Castanea sativa, Rubus ulmifolius, Fragaria vesca</it>) and the most popular species in each food-category (e.g. fruits or herbs used to prepare liqueurs such as <it>Prunus spinosa</it>, vegetables such as <it>Rumex acetosa</it>, condiments such as <it>Origanum vulgare</it>, or plants used to prepare herbal teas such as <it>Chamaemelum nobile</it>). The most important species in the study area as a whole are consumed at five or all six of the survey sites.</p> <p>Conclusion</p> <p>Social, economic and cultural factors, such as poor communications, fads and direct contact with nature in everyday life should be taken into account in determining why some wild foods and traditional vegetables have been consumed, but others not. They may be even more important than biological factors such as richness and abundance of wild edible flora. Although most are no longer consumed, demand is growing for those regarded as local specialties that reflect regional identity.</p

Translation: The relative native

Translation by Julia Sauma and Martin Holbraad of: Viveiros de Castro, Eduardo (2002) "O Nativo Relativo." Mana, vol. 8, no. 1, p. 113-14

Phylogenetic diversity of Amazonian tree communities

Aim: To examine variation in the phylogenetic diversity (PD) of tree communities across geographical and environmental gradients in Amazonia. Location: Two hundred and eighty-three c. 1 ha forest inventory plots from across Amazonia. Methods: We evaluated PD as the total phylogenetic branch length across species in each plot (PDss), the mean pairwise phylogenetic distance between species (MPD), the mean nearest taxon distance (MNTD) and their equivalents standardized for species richness (ses.PDss, ses.MPD, ses.MNTD). We compared PD of tree communities growing (1) on substrates of varying geological age; and (2) in environments with varying ecophysiological barriers to growth and survival. Results: PDss is strongly positively correlated with species richness (SR), whereas MNTD has a negative correlation. Communities on geologically young- and intermediate-aged substrates (western and central Amazonia respectively) have the highest SR, and therefore the highest PDss and the lowest MNTD. We find that the youngest and oldest substrates (the latter on the Brazilian and Guiana Shields) have the highest ses.PDss and ses.MNTD. MPD and ses.MPD are strongly correlated with how evenly taxa are distributed among the three principal angiosperm clades and are both highest in western Amazonia. Meanwhile, seasonally dry tropical forest (SDTF) and forests on white sands have low PD, as evaluated by any metric. Main conclusions: High ses.PDss and ses.MNTD reflect greater lineage diversity in communities. We suggest that high ses.PDss and ses.MNTD in western Amazonia results from its favourable, easy-to-colonize environment, whereas high values in the Brazilian and Guianan Shields may be due to accumulation of lineages over a longer period of time. White-sand forests and SDTF are dominated by close relatives from fewer lineages, perhaps reflecting ecophysiological barriers that are difficult to surmount evolutionarily. Because MPD and ses.MPD do not reflect lineage diversity per se, we suggest that PDss, ses.PDss and ses.MNTD may be the most useful diversity metrics for setting large-scale conservation priorities

Markets drive the specialization strategies of forest peoples

Engagement in the market changes the opportunities and strategies of forest-related peoples. Efforts to support rural development need to better understand the potential importance of markets and the way people respond to them. To this end, we compared 61 case studies of the commercial production and trade of nontimber forest products from Asia, Africa, and Latin America. The results show that product use is shaped by local markets and institutions, resource abundance, and the relative level of development. Larger regional patterns are also important. High-value products tend to be managed intensively by specialized producers and yield substantially higher incomes than those generated by the less specialized producers of less managed, low-value products. We conclude that commercial trade drives a process of intensified production and household specialization among forest peoples. Copyright © 2004 by the author(s)