The neotropical Gran Sabana region: palaeoecology and conservation
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The Knowledge that Counts: Institutional Identities, Policy Science, and the Conflict Over Fire Management in the Gran Sabana, Venezuela
— The cultures of environmental planning agencies shape institutional identities and management interventions. Central to such institutional cultures is knowledge production, which is shaped by political–economic processes, dominant narratives and institutional desires to produce ‘‘conservation’’ landscapes. Through knowledge production, certain scientific knowledge and data are appropriated, w...
متن کاملVegetation changes in the Neotropical Gran Sabana (Venezuela) around the Younger Dryas chron
The occurrence of the Younger Dryas cold reversal in northern South America midlands and lowlands remains controversial. We present a palaeoecological analysis of a Late Glacial lacustrine section from a midland lake (Lake Chonita, 4.6501 8N, 61.0157 8W, 884m elevation) located in the Venezuelan Gran Sabana, based on physical and biological proxies. The sediments were mostly barren from 15.3 to...
متن کاملForest–savanna–morichal dynamics in relation to fire and human occupation in the southern Gran Sabana (SE Venezuela) during the last millennia
a Palynology and Palaeoecology Lab, Botanical Institute of Barcelona (CSIC-ICUB), Passeig del Migdia s/n, 08038 Barcelona, Spain b Dep. of Animal Biology, Plant Biology and Ecology, Autonomous University of Barcelona, Campus Bellaterra, 08193 Barcelona, Spain c Byrd Polar Research Center, The Ohio State University, Scott Hall Room 108, 1090 Carmack Road, Columbus, OH 43210, USA d Department of ...
متن کاملHydrolutos gransabanensis sp.n. (Orthoptera: Anostostomatidae), a new semi-aquatic Lutosini species from Gran Sabana (Venezuela).
Hydrolutos gransabanensis, a new species of Lutosini (Orthoptera: Anostostomatidae) from the cave Cueva El Tigre (Santa Elena de Uairén, SE Venezuela) is described and figured for both sexes. This is the first record of Hydrolutos species out of tepui systems. The genus is recently known by 6 apterous species from Venezuelan Guayana region.
متن کاملThe mythical forest, the becoming-desert: environmental knowledge production and the iconography of destruction in the Gran Sabana, Venezuela
Landscape managers increasingly draw on indigenous practices of controlled burning to develop vegetation heterogeneity and reduce fuel loads, thereby avoiding extensive and destructive fires. However, anthropogenic fire is also commonly represented as a primary driver of environmental change, which in some places has led to an emphasis on heavy-handed fire suppression rather than fire managemen...
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تاریخ انتشار 2016