Abstract
Ethnobotanical studies involve research with human societies and their different interaction with plants, and the quantitative approaches from thes estudies are important to select conservation priority of species in natural environment. This research aims to quantify use-values for woody plants mentioned by fishers in Itaunas, state of Espirito Santo, and evaluate the relationship between use-values and species availability (absolute density and frequency, and importance value) in two distinct resting vegetation formations. It also proposes to identify priority species for conservation. It was selected 30 species cited in individual semi-structured interviews with key-informant in fishers’ community and who were also on list of structural survey of two vegetation phytophysiognomies in the restinga regions . The data used was collected in previously published work. It was performed a correlation analysis between use-values and structural parameters of the mentioned woody species. Protium heptaphyllum , P. icicariba and Byrsonima sericea present the highest use-values. It was not observed relation between use-value and species availability in each vegetation formation. It was classified two and eight species as priority for conservation on shrubby and forest formations, respectively.
Highlights
Ethnobotany is a science that links anthropology and botany, whose objective is to catalogue plant use by the human species (Prance, 1991) and approach the study of human societies and their cultural, ecological, genetic, evolutionary and symbolic interactions with plants (Fonseca-Kruel, & Peixoto, 2004)
An expressive floristic diversity has been reported for this state (Assis, Pereira, & Thomaz, 2004, Giaretta, Menezes, & Pereira, 2013), as well as for types of uses for plants occurring on restinga, Lopes & Lobão, 2013)
The first three occur in both formations and A. occidentale is exclusive to the shrubby formation
Summary
Ethnobotany is a science that links anthropology and botany, whose objective is to catalogue plant use by the human species (Prance, 1991) and approach the study of human societies and their cultural, ecological, genetic, evolutionary and symbolic interactions with plants (Fonseca-Kruel, & Peixoto, 2004). One of the objectives of this science is to promote sustainable use and conservation of natural resources, besides approximating scientific research from social needs, since these studies can generate information applied to the environment and local populations (Oliveira, Albuquerque, FonsecaKruel, & Hanazaki, 2009). Vegetal resources are considered very important for same local populations on the Brazilian coast (Hanazaki, 2003). The restinga, a vegetation type of the Brazilian coast, presents distinct phytophisiognomies through environmental gradients (Scarano, 2002), with eleven of these formations being described for Espírito Santo state (Pereira, 2003). Real estate speculation and touristic demands generate threats to vegetal resources conservation on this ecosystem (Thomazi, Rocha, Oliveira, Bruno, & Silva, 2013)
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