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Ângela Maria Klein Hentz ; Betina Doubrawa ; Carlos Roberto Sanquetta ;Bosque 2015, 36 2

Autor: Ana Paula Dalla Corte

Fuente: http://www.redalyc.org/


Introducción



Bosque ISSN: 0304-8799 revistabosque@uach.cl Universidad Austral de Chile Chile Dalla Corte, Ana Paula; Klein Hentz, Ângela Maria; Doubrawa, Betina; Sanquetta, Carlos Roberto Environmental fragility of Iguaçu river watershed, Paraná, Brazil Bosque, vol.
36, núm.
2, 2015, pp.
287-297 Universidad Austral de Chile Valdivia, Chile Available in: http:--www.redalyc.org-articulo.oa?id=173141111014 How to cite Complete issue More information about this article Journals homepage in redalyc.org Scientific Information System Network of Scientific Journals from Latin America, the Caribbean, Spain and Portugal Non-profit academic project, developed under the open access initiative BOSQUE 36(2): 287-297, 2015 DOI: 10.4067-S0717-92002015000200014 Environmental fragility of Iguaçu river watershed, Paraná, Brazil Fragilidad ambiental de la cuenca del río Iguaçu, Paraná - Brasil Ana Paula Dalla Corte a*, Ângela Maria Klein Hentz a, Betina Doubrawa a, Carlos Roberto Sanquetta a *Corresponding author: a Federal University of Paraná, Curitiba, Brazil, anapaulacorte@gmail.com SUMMARY The aim of this study was to analyze the environmental fragility of Iguaçu River watershed, Paraná.
Regarding fragility potential, most watersheds fell under the moderate fragility class (40.47 % of the total), followed by very low (18.83 %), low (16.20 %), high (13.27 %) and very high with only 8.68 %.
Concerning emerging fragility, most watersheds again lay within moderate fragility (41.55 %), though in this case low fragility was found in second place (with 40.73 %), followed by very low (7.67 %), high (6.50 %) and very high (0.99 %). Urban areas corresponded to 1.37 % and bodies of water to 1.18 % of the area.
From a visual analysis, emerging fragility was observed to be high and very high, when present, followed by flooded areas; thus, demonstrating the importance of considering them in such studies, since they are environments with very unstable structural features including cer...





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