2016
DOI: 10.1590/1809-4422asoc140491v1932016
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Impacts on the Dunes System: Natural Dynamic Versus Anthropogenic Interference

Abstract: The shoreline of Capão da Canoa, RS, alternates densely populated areas with non urban empty spaces that still have their natural features preserved. This paperwork aimed to evaluate the foredunes vulnerability, by field evaluation along the shoreline in wintertime and summertime, using a field checklist. After rating some parameters, a Vulnerability Index was established for each profile. The highest values matched the most densely populated areas in that municipality, due to the position of the urban area th… Show more

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Cited by 8 publications
(7 citation statements)
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“…Here, we compare the trophic structure of frog assemblages between contrasting coastal habitats: a productive, mesic habitat (wetland) and an adjacent semiarid habitat that is comparatively less-productive (sand dunes). The subtropical coast of southern Brazil contains wetlands and sand dunes that differ markedly in physiography, productivity and biodiversity (Ferreira et al 2009;Portz et al 2016). The wetlands are dominated by diverse aquatic macrophytes (at least 176 species; Rolon et al 2011) and characterised by high primary production.…”
Section: Introductionmentioning
confidence: 99%
“…Here, we compare the trophic structure of frog assemblages between contrasting coastal habitats: a productive, mesic habitat (wetland) and an adjacent semiarid habitat that is comparatively less-productive (sand dunes). The subtropical coast of southern Brazil contains wetlands and sand dunes that differ markedly in physiography, productivity and biodiversity (Ferreira et al 2009;Portz et al 2016). The wetlands are dominated by diverse aquatic macrophytes (at least 176 species; Rolon et al 2011) and characterised by high primary production.…”
Section: Introductionmentioning
confidence: 99%
“…La costa es altamente dinámica y cambia temporal y espacialmente en respuesta a las variaciones en los procesos costeros y a la actividad antrópica (Anfuso y Martinez Del Pozo, 2005El Banna y Frihy, 2009;Hill et al, 2004;Merlotto et al, 2014;Pagán et al, 2016;Portz et al, 2016). Por lo tanto, las playas y costas manifiestan cambios morfológicos a corto, mediano y largo plazo, así como también cambios episódicos (Anfuso et al, 2007;Merlotto et al, 2014).…”
Section: Introductionunclassified
“…También son el objetivo de una creciente urbanización y concentración de actividades humanas. Cada vez más, la valorización cultural de estos espacios ha sido un importante vector de ocupación y urbanización acelerada, y a su vez, de su uso intensivo para la recreación, el ocio y el turismo (Portz et al, 2016). La creciente presión antrópica influye negativamente en la evolución de la costa y rompe el equilibrio dinámico de la misma causando un aumento en la erosión de las playas (Isla et al, 2001;Taaouati et al, 2011).…”
Section: Introductionunclassified
“…regiões onde há predominância de dunas, particularmente por meio do desenvolvimento de atividades turísticas, recreação e atividades de lazer (PINHEIRO et al, 2013;PORTZ et al, 2016).…”
unclassified
“…Por esses motivos vários autores estudam a caracterização (ÂNGULO, 1993; LISBOA; CAMPOS; SOUZA, 2011; UBEID; ALBATTA, 2014), a dinâmica (MIGUEL; CASTRO, 2018), a instabilidade (ALBINO; PAIVA; MACHADO, 2001;PARTELI;ANDRADE;HERMANN, 2011;OLIVEIRA et al, 2019) e os impactos desse ecossistema (PORTZ et al, 2016).…”
unclassified