Floristic diversity and arboreal indices of schools in Formoso do Araguaia municipality, Tocantins
Journal Title: Revista Verde de Agroecologia e Desenvolvimento Sustentável - Year 2017, Vol 12, Issue 2
Abstract
The afforestation in schools plays an important role in improving these environments, making them more attractive and enjoyable for the educational community and serves as an example and source of continuous learning. Thus, the objective was to make a survey of arboreal species and indices found in nine schools in Formoso do Araguaia, Tocantins. This study was carried out in nine public schools in the city, disregarding private schools. To know the number of existing students, each school provided the list of those enrolled in the period. The sense and the identification of the arboreal vegetation present in the schoolyards of the nine units were made. The height data were collected with the aid of a clinometer, with a measuring tape was collected the tree crown diameter and the area of each schoolyard and through Microsoft Excel the calculations of the Arboreal Density Index (ADI), Shading Arboreal Index (SAI) and Green Area Index (GAI). In schools were found 158 individuals belonging to 14 botanical families represented by 27 species, distributed in 15 native and 12 exotic. The João Queiroz school excelled with the best SAI (28.19%) and the Herminio Azevedo Soares school can be considered as reference by the indices found (SAI = 19.037% and ADI = 0.97%). The most frequent native species were Licania tomentosa (Benth.) Fritsch, Mangifera indica L. and Cassia fistula L. The largest arboreal indices (ADI and SAI) were observed at schools João Queiroz and Herminio Azevedo Soares and the lowest indices at Silas Milhomem Raimundo dos Santos school.
Authors and Affiliations
André Ferreira dos Santos, Gildeani Costa, Lucicléia Mendes Oliveira, Patrícia Aparecida de Souza, Kaio Cesar Cardoso de Lima Fonseca Alves
Keywords
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- EP ID EP253621
- DOI 10.18378/rvads.v12i2.4353
- Views 101
- Downloads 0
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