La situación del arbolado urbano en Santiago

Palma, Jaime Hernández

doi:10.5354/0717-5051.2008.272

Cited by 7 publications

(7 citation statements)

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“…Urban flora studies in South America (MacGregor-Fors & Ortega-Alvarez 2013), and particularly in Chile, have been undertaken mostly for land planning and management (Cursach et al 2012) with some emphasis in creating a floristic catalogue of woody species with ornamental value (Reyes-Paecke & Meza 2011, Herná ndez 2007, Escobedo et al 2006, De la Maza et al 2002, Hoffmann 1983. For this reason only a few studies on ruderal species are available with most of these species being herbaceous and usually considered weeds (Matthei et al 1995, De Vallejo 1980.…”

Section: Introductionmentioning

confidence: 99%

Compositional patterns of ruderal herbs in Santiago, Chile

2015

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Fragmentation of the natural environment is a consequence of urbanisation. It impacts the biodiversity of native flora that characterises a region. This study focused on characterising the diversity, composition and distribution of native and alien ruderal species present in different suburbs of Santiago de Chile. We found that plant assemblages of ruderal species were characterised by a higher proportion of alien species (69 taxa), whose original distribution corresponds to the Mediterranean Basin (46 taxa), and a low representation of native species (14 taxa). The results show that the spatial distribution of weeds within Santiago was not random, because two clusters were found based on patterns of compositional similarity. Further research should be undertaken to determine the cause of this phenomenon that probably obeys historical and ecological factors such as the past use of soils or urban landscape ornamentation programs.

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Section: Introductionmentioning

confidence: 99%

Compositional patterns of ruderal herbs in Santiago, Chile

2015

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“…The distribution of urban vegetation reflects social inequalities. In Santiago, poor areas can have ten times less plant cover than rich neighbourhoods (Hernández 2008), similar to other countries (Pedlowski et al 2002). However, workshops in poor areas of cities can result in an improvement of their vegetation (Garzón et al 2004).…”

Section: Urban Vegetation Change After a Hundred Years In A Tropical mentioning

confidence: 66%

Urban vegetation change after a hundred years in a tropical city (San José de Costa Rica)

Mónge-Nájera¹,

Pérez-Gómez²

2010

RBT

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Urban vegetation is of key importance because a large proportion of the human population lives in cities. Nevertheless, urban vegetation is understudied outside central Europe and particularly, little is known about the flora of tropical Asian, African and Latin American cities. We present an estimate of how the vegetation has changed in the city of San José, Costa Rica, after about one century, with the repeat photography technique (based on a collection of 19 th and early 20 th century photographs by José Fidel Tristán and others) and with data from the Costa Rican National Herbarium. We found little vegetation change in the landscape of San José during the 20th century, where a total of 95 families and 458 species were collected in the late 19th and early 20th century. The families with most species were Asteraceae, Fabaceae, Poaceae, Lamiaceae, Euphorbiaceae, Solanaceae, Cyperaceae, Acanthaceae, Malvaceae, Piperaceae and Verbenaceae. Similar results have been found in Europe, where the number of plant species often is stable for long periods even when the individual species vary. Rev. Biol. Trop. 58 (4): 1367-1386. Epub 2010 December 01.

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“…Si pudiéramos identificar la remoción según gases y PM10 dentro de la comuna y correlacionarla con la VAAUP, podríamos optimizar la gestión ambiental de esta mediante una cuantificación monetaria de sus externalidades y servicios ecosistémicos, a través de tasas de compensación o impuestos específicos. Cabe recordar, sobre esto último, que el ahorro generado en Santiago por la remoción de contaminación del aire equivaldría a US$ 44,8 millones al año, por lo cual desagregar estos datos a nivel municipal permitiría ampliar una discusión sobre las políticas públicas enfocadas al arbolado urbano, los servicios ecosistémicos y la calidad de vida en zonas urbanas (Hernández 2008).…”

Section: Aberturaunclassified

Vulnerabilidad ambiental del arbolado urbano. Levantamiento georreferenciado comunal, Chile

Torralbo¹,

Aqueveque²,

Carmona³

2017

aus

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RESUMEN/ A partir de un catastro de árboles realizado durante los meses de junio a septiembre del año 2014, este estudio analiza la vulnerabilidad ambiental del arbolado urbano público (VAAUP) para la comuna de Providencia, Chile. Las variables a considerar en el análisis fueron Fase de Crecimiento, Estado Fitosanitario y Estado de Afectación Biótica, los que combinados en una matriz de valoración, muestran diferencias espaciales significativas de vulnerabilidad. Considerando la totalidad del área de estudio, las especies más representativas fueron Acer negundo L., Robina pseudoacacia L., y Platanus orientalis L. (el 50% del total de la población arbórea). Las dos primeras especies son altamente vulnerables, lo que queda evidenciado en el mapa de VAAUP diseñado en un software de código abierto de Sistema de Información Goegráfica. Los resultados presentados buscan mejorar la gestión ambiental urbana de la comuna. ABSTRACT/ Based on a tree register made during June to September 2014, this study discusses the environmental vulnerability of public urban trees (EVPUT) in the district of Providencia, Santiago, Chile. The variables considered in the analysis are Growth Phase, Plant Health Status, and Biotic Stress Status, which combined in an assessment matrix show considerable spatial differences regarding vulnerability. Considering the entire study area, the most representative species were Acer negundo L., Robina pseudoacacia L., and Platanus orientalis L. (50% of total tree population). The first two species are highly vulnerable, which is shown in the EVPUT map designed with a Geographic Information System's open code software. The results aim at improving the commune's urban environmental management.

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La situación del arbolado urbano en Santiago

Cited by 7 publications

References 0 publications

Compositional patterns of ruderal herbs in Santiago, Chile

Compositional patterns of ruderal herbs in Santiago, Chile

Urban vegetation change after a hundred years in a tropical city (San José de Costa Rica)

Vulnerabilidad ambiental del arbolado urbano. Levantamiento georreferenciado comunal, Chile

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