Effect of green roof media depth on Crassulacean plant succession over seven years

Rowe, D. Bradley; Getter, Kristin L.; Durhman, Angela K.

doi:10.1016/j.landurbplan.2011.11.010

Cited by 138 publications

(82 citation statements)

References 43 publications

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“…Substrate depth fundamentally affects EGR vegetation, whether in terms of establishment and growth (Durhman et al, 2007;Rowe et al, 2012;Thuring et al, 2010), species dominance and cover diversity (Dunnett et al, 2008b;Emilsson and Rolf, 2005;Nagase and Dunnett, 2010), or survival across challenging seasons (Boivin et al, 2001;Getter and Rowe, 2007). Shallower depths also inhibit the growth of taller vegetation (Table 1) which together compromise hydrological performance (Dunnett et al, 2008a) and other benefits like the cooling of buildings in hot seasons (Sailor, 2008;Santamouris et al, 2007).…”

Section: Less Depth Over Timementioning

confidence: 99%

“…Increasing the sample size by amalgamating with other datasets may improve the power of this research; in the meantime, these results can serve as a point for discussion. More long-term monitoring of EGRs, with emphasis on vegetation and substrate development as well as hydrological function, will dramatically improve our understanding of these systems (Dunnett et al, 2008b;Rowe et al, 2012) and of urban ecosystems overall.…”

Section: Next Stepsmentioning

confidence: 99%

“…The requirements of experimental controls and replication mean that green roof research is usually conducted on mock-ups or platforms (Dvorak and Volder, 2010). If actual green roofs are studied, they are rarely older than 10 years and the timeframe for most green roof successional research is relatively short [e.g., Bates et al, 2013;Rowe et al, 2012]. However rare, long-term observations of ecological phenomena and the consistent and reliable accumulation of long-term synoptic datasets are essential to understanding how natural systems work (Callahan, 1984;Franklin et al, 1990;Likens, 1989).…”

Section: Introductionmentioning

confidence: 99%

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Vegetation composition of old extensive green roofs (from 1980s Germany)

Thuring¹,

Dunnett²

2014

Ecol Process

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Introduction: Since their development in the late 1970s in Germany, extensive green roofs (EGR) have become increasingly popular as mitigation tools for urban environmental issues around the world. EGRs are planted with select species, which ensure consistent cover and performance over time. This research presented herein is part of a systematic re-evaluation of EGR technology since the German industry began. Methods: Given the opportunity to access a small sample of old EGRs installed over 20 years ago in south-west Germany, this research surveyed the vegetation and substrate with an interest in describing these parameters with time-through-space substitution. Results: Similar to previous studies, this preliminary work found correlations between roof age with vegetation (cover abundance and species diversity) and substrate properties (e.g., depth, organic content, pH, and nutrients). Roof age had positive relationship with soil organic content (C org ), and negative relationships with substrate depth and soil pH. These soil variables are inter-related, as shallow acidic substrates create unfavourable conditions for decomposition and thereby the accumulation of duff. Substrate variables correlated with EGR vegetation, suggesting a trend of simplified species composition over time. Indeed, C org had a negative relationship with cover and species diversity of most life forms; only Sedum species had positive associations with C org . Conclusions: Considering the dynamics associated with shallow mineral substrates, and the greater floristic diversity of younger roofs, simple Sedum-based vegetation may represent a steady state for conventional EGRs.

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Section: Less Depth Over Timementioning

confidence: 99%

Section: Next Stepsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Vegetation composition of old extensive green roofs (from 1980s Germany)

Thuring¹,

Dunnett²

2014

Ecol Process

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“…Habitat for species was chosen because vegetated SuDS systems can be ideal places of habitats for many native animals and plant species (acting as sanctuaries for separated aquatic and wetland macroinvertebrates), and they in turn contribute to the overall biodiversity of the urban environment (Jackson and Boutle 2008;Viol et al 2009;Dvorak and Volder 2010;Moore 2011;Moore and Hunt 2012;Rowe et al 2012;Briers 2014;Cao et al 2014;Scholz 2015). Overall, vegetated SuDS schemes, especially when incorporated into existing urban green infrastructures, can contribute to the reconnection of fragmented habitats (Natural England 2011;Ellis 2013;Graham et al 2013;Scholz 2015).…”

Section: Discussion Of the New Methodologymentioning

confidence: 99%

Sustainable drainage system site assessment method using urban ecosystem services

2016

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The United Kingdom's recently updated approach to sustainable drainage enhanced biodiversity and amenity objectives by incorporating the ecosystem approach and the ecosystem services concept. However, cost-effective and reliable methods to appraise the biodiversity and amenity values of potential sustainable drainage system (SuDS) sites and their surrounding areas are still lacking, as is a method to enable designers to distinguish and link the amenity and biodiversity benefits that SuDS schemes can offer. In this paper, therefore, the authors propose two ecosystem services-and disservicesbased methods (i.e. vegetation structure cover-abundance examination and cultural ecosystem services and disservices variables appraisal) to aid SuDS designers to distinguish and link amenity and biodiversity benefits, and allow initial site assessments to be performed in a cost-effective and reliable fashion. Forty-nine representative sites within Greater Manchester were selected to test the two methods. Amenity and biodiversity were successfully assessed and habitat for species, carbon sequestration, recreation and education ecosystem services scores were produced, which will support SuDS retrofit design decision-making. Large vegetated SuDS sites with permanent aquatic features were found to be most capable of enhancing biodiversity-and amenity-related ecosystem services. Habitat for species and recreation ecosystem services were also found to be positively linked to each other. Finally, waste bins on site were found to help reduce dog faeces and litter coverage. Overall, the findings presented here enable future SuDS retrofit designs to be more wildlife friendly and socially inclusive.

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“…Así que durante el primer o segundo año de desarrollo, el conjuntos de plantas (especies) tienden a cambiar a medida que las plantas bien adaptadas a las condiciones del hábitat se propaguen, mientras que las plantas mal adaptadas a las condiciones no se desarrollan y tiendan a desaparecer (Köhler, 2006;Dunnett et al, 2008;Köhler y Poll, 2010;Rowe et al, 2012;Lundholm et al, 2014).…”

Section: Sustratos Potenciales En Una Cubierta Vegetalunclassified

Estudio comparativo de sustratos de cultivos sostenibles en sistemas de naturación urbana : jardinería vertical y cubierta vegetal

Rodríguez¹,

Llinee²

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Effect of green roof media depth on Crassulacean plant succession over seven years

Cited by 138 publications

References 43 publications

Vegetation composition of old extensive green roofs (from 1980s Germany)

Vegetation composition of old extensive green roofs (from 1980s Germany)

Sustainable drainage system site assessment method using urban ecosystem services

Estudio comparativo de sustratos de cultivos sostenibles en sistemas de naturación urbana : jardinería vertical y cubierta vegetal

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