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Native versus exotic Plant species in the vacant land of four Portuguese cities: urban ecology and landscape architecture
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Orientador(es)
Resumo(s)
The contemporary city has been growing discontinuously,
leaving abandoned structures and
vacant land in its wake. The current situation
has been caused by economic uncertainty, real
estate speculation, and continuous suburban
development. The existence and relevance of
this issue is well-established in the literature, and
recent publications have shifted focus toward
how to “reuse” vacant land and abandoned
structures.
In the scope of the research NoVOID
Project – “Ruins and vacant lands in the
Portuguese cities: exploring hidden life in urban
derelicts and alternative planning proposals
for the perforated city”, funded by the FCT
(PTDC/ATP-EUR/1180/2014) were identified
and classified the main vacant and derelict
urban spaces in four Portuguese cities: Lisbon,
Barreiro, Guimarães, and Vizela.
The research starts from the idea that
vegetation is a fundamental structuring element
in landscapes. Not only does it dominate most
land ecosystems through its biomass, but it also
constitutes the habitat for animal populations
and is at the heart of the majority of human
productive and cultural activities. It is also the
element that best integrates a landscape’s
biological response to environmental factors
(physical, biological and anthropic). A botanical
research was performed to a sample of twenty
sites located in the four cities under study, to
the different types selected (ruins, ruins, and
yard and vacant lands), including the following
phases: construct a floristic inventory with all
the taxa found; establish the ratio of native
and exotic species and identify the invasive
species; identify the presence of RELAPPE
species (in Portuguese: rare, endemic, localized,
protected (e.g., species in the Habitats Directive),
threatened or endangered). In total, 339 different
species of plants were identified, 73% of which
are native [32% represent synanthropic ruderals
species, 1% (4 species) Iberian endemism,
and only 1 specie is protected in Portugal] and
27% exotic (being 14% invasive or potentially
invasive).
This study furthers the discussion on the
ecological, functional, and aesthetic potential
that vacant land and ruined spaces have in
contemporary cities. Repurposing these spaces
through innovative landscape architecture, for
either temporary or permanent uses, represents
a crucial step toward enriching urban life.
Descrição
Palavras-chave
Native and exotic plant species Urban ecology Landscape architecture Portugal
Contexto Educativo
Citação
Portela-Pereira, E., Neto, C., Soares, A.L., & Azambuja, S. T. (2018). Native versus exotic Plant species in the vacant land of four Portuguese cities: urban ecology and landscape architecture. In: Book of Proceedings, ECLAS 2018 Conference Landscapes of Conflict, 9-12 September 2018, (pp. 328-335). Ghent.
Editora
University College Ghent, School of Arts, Landscape & Garden Architecture and Landscape Development