2011
DOI: 10.4000/cybergeo.24881
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Produire des savoirs environnementaux face aux changements d’usage du sol : les enseignements du conflit pour la définition du Plan de Zonage de la Sylviculture du Rio Grande do Sul (Brésil)

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Cited by 18 publications
(13 citation statements)
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“…Most grassland species, including all obligate and facultative taxa classified as grassland specialists, are common and widespread in the Río de la Plata Grasslands and other South American open-vegetation ecosystems (Mata et al, 2006;Ridgely & Tudor, 2009). Despite their abundance and wide distribution, observed and predicted rates of grassland conversion in the region (Hasse, 2006;Gautreau & Vélez, 2011;Vihervaara et al, 2012) suggest that afforestation may represent a threat at a regional scale to some of these species in the near future. At least for the threatened X. dominicanus, which depends on hilltop grasslands for foraging (Bencke, 2009), tree plantations may already be an important impact.…”
Section: Discussionmentioning
confidence: 99%
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“…Most grassland species, including all obligate and facultative taxa classified as grassland specialists, are common and widespread in the Río de la Plata Grasslands and other South American open-vegetation ecosystems (Mata et al, 2006;Ridgely & Tudor, 2009). Despite their abundance and wide distribution, observed and predicted rates of grassland conversion in the region (Hasse, 2006;Gautreau & Vélez, 2011;Vihervaara et al, 2012) suggest that afforestation may represent a threat at a regional scale to some of these species in the near future. At least for the threatened X. dominicanus, which depends on hilltop grasslands for foraging (Bencke, 2009), tree plantations may already be an important impact.…”
Section: Discussionmentioning
confidence: 99%
“…In Uruguay and southern Brazil, where land officially offered for afforestation coincided with grassland remnants, environmental licensing processes were controversial and embedded in ideological disputes (Carrere & Lohmann, 1996;Hasse, 2006;Gautreau & Vélez, 2011). Currently, tree plantations cover approximately 1,120,000 ha in the campos of Uruguay and the Brazilian state of Rio Grande do Sul (Gautreau & Vélez, 2011).…”
mentioning
confidence: 99%
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“…Segundo Boldrini et al (2010). Os tipos de vegetação, solos e a própria riqueza de condições geológicas e geomorfológicas, aspectos hidrológicos e a ordem climática tornam o bioma Pampa um território heterogêneo, onde as áreas menos degradadas estão distribuídas em mosaicos, nos locais de topografia acentuada e com solos pouco férteis (overBeck et al, 2007;BeHling et al, 2009;Bencke, 2009;cordeiro & Hasenack, 2009;guadagnin et al, 2009;gautreau & vélez, 2011). Assim, o conhecimento acerca da biodiversidade dos campos nativos ainda é incipiente, tornando baixo o número de áreas efetivamente protegidas em Unidades de Conservação (overBeck et al, 2007).…”
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“…Dans un autre contexte, certaines études sur l'impact des données géographiques publiques pour résoudre des conflits environnementaux apportent un éclairage différent. Dans ces conflits affectant des territoires ruraux lors de l'arrivée de grandes entreprises agricoles, la disponibilité de données géographiques publiques ne permet pas de réduire les asymétries de pouvoir entre acteurs, dans la mesure où les capacités d'analyse de ces données sont trop inégalement partagées (Nalepa et Bauer 2012, Gautreau et Vélez 2011).…”
Section: Ou ?unclassified