Green Roofs - Living Architecture Monitor Winter 2020 - 27
The collection of articles in this issue represent a welcome step forward, but the study of spatial heterogeneity and spatial patterns
in green roof ecosystems still remains largely unexplored and we observe this to be a rapidly growing research field - it is an exciting
time for green roof research! What follows are abstracts of these papers. Enjoy!
SPATIAL HETEROGENEITY AS A DRIVER
OF BIODIVERSITY ON GREEN ROOFS
Jeremy Lundholm 1*, Amy Heim 1
1
Department of Biology, Saint Mary's University, Canada
*corresponding author: jlundholm@smu.ca
Spatial heterogeneity in green roof environments is expected to increase biodiversity. The most common manipulations applied to
a basic green roof design (with uniform substrate and plant communities) are photovoltaic panels, microtopographic variation and
the addition of surface features such as different types of substrate (e.g. gravel or open soil). Spatial heterogeneity can also arise from
other sources, such as the slope of the roof or shade from adjacent buildings. This paper reviews the literature documenting the
relationships between spatial environmental heterogeneity on green roofs and plant and invertebrate communities. We examine the
literature on designed heterogeneity in the form of photovoltaic installations and substrate manipulations as well as " accidental " heterogeneity created by site context, such as shade from adjacent buildings. Overall, there are few tests of these ideas in the green roof
literature. Spatial heterogeneity has mainly been investigated as a potential driver of biodiversity on shallow-substrate ( " extensive " )
green roofs. Some green roof studies show positive correlations between invertebrate species diversity and spatial heterogeneity, but
in plant communities, demonstrated positive effects of heterogeneity on species diversity are small or absent.
Key words: resource heterogeneity, spatial variability, vegetated roof, environmental gradient, habitat heterogeneity
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LIVING ARCHITECTURE MONITOR / WINTER 2020 / 27
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Green Roofs - Living Architecture Monitor Winter 2020
Table of Contents for the Digital Edition of Green Roofs - Living Architecture Monitor Winter 2020
Table of Contents
Green Roofs - Living Architecture Monitor Winter 2020 - IP
Green Roofs - Living Architecture Monitor Winter 2020 - Cover1
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Green Roofs - Living Architecture Monitor Winter 2020 - Table of Contents
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https://www.nxtbook.com/dawson/greenroofs/lam_2020Fall
https://www.nxtbook.com/dawson/greenroofs/lam_2020Summer
https://www.nxtbook.com/dawson/greenroofs/lam_2020Spring
https://www.nxtbook.com/dawson/greenroofs/lam_2019Winter
https://www.nxtbook.com/dawson/greenroofs/lam_2019Fall
https://www.nxtbook.com/dawson/greenroofs/lam_2019Summer
https://www.nxtbook.com/dawson/greenroofs/lam_2019Spring
https://www.nxtbook.com/dawson/greenroofs/lam_2018winter
https://www.nxtbook.com/dawson/greenroofs/lam_2018Fall
https://www.nxtbook.com/dawson/greenroofs/lam_2018summer
https://www.nxtbook.com/dawson/greenroofs/lam_2018spring
https://www.nxtbook.com/dawson/greenroofs/lam_2017winter
https://www.nxtbook.com/dawson/greenroofs/lam_2017fall
https://www.nxtbook.com/dawson/greenroofs/lam_2017summer
https://www.nxtbook.com/dawson/greenroofs/lam_2017Spring
https://www.nxtbook.com/dawson/greenroofs/lam_2016winter
https://www.nxtbook.com/dawson/greenroofs/lam_2016fall
https://www.nxtbook.com/dawson/greenroofs/lam_2016summer
https://www.nxtbook.com/dawson/greenroofs/lam_2016spring
https://www.nxtbook.com/dawson/greenroofs/lam_2015Winter
https://www.nxtbook.com/dawson/greenroofs/lam_2015fall
https://www.nxtbook.com/dawson/greenroofs/lam_2015summer
https://www.nxtbook.com/dawson/greenroofs/lam_2015spring
https://www.nxtbook.com/dawson/greenroofs/lam_2014winter
https://www.nxtbook.com/dawson/greenroofs/lam_2014fall
https://www.nxtbook.com/dawson/greenroofs/lam_2014summer
https://www.nxtbook.com/dawson/greenroofs/lam_2014spring
https://www.nxtbook.com/dawson/greenroofs/lam_2013winter
https://www.nxtbook.com/dawson/greenroofs/lam_2013fall
https://www.nxtbook.com/dawson/greenroofs/lam_2013summer
https://www.nxtbook.com/dawson/greenroofs/lam_2013spring
https://www.nxtbook.com/dawson/greenroofs/lam_2012fall
https://www.nxtbook.com/dawson/greenroofs/lam_2012summer
https://www.nxtbook.com/dawson/greenroofs/lam_2012spring
https://www.nxtbook.com/dawson/greenroofs/lam_2012winter
https://www.nxtbook.com/dawson/greenroofs/lam_2011fall
https://www.nxtbook.com/dawson/greenroofs/lam_2011summer
https://www.nxtbook.com/dawson/greenroofs/lam_2011spring
https://www.nxtbook.com/dawson/greenroofs/lam_2011winter
https://www.nxtbook.com/dawson/greenroofs/lam_2010fall
https://www.nxtbook.com/dawson/greenroofs/lam_2010summer
https://www.nxtbook.com/dawson/greenroofs/lam_2010spring
https://www.nxtbook.com/dawson/greenroofs/lam_2010winter
https://www.nxtbook.com/dawson/greenroofs/lam_2009fall
https://www.nxtbook.com/dawson/greenroofs/lam_2009summer
https://www.nxtbook.com/dawson/greenroofs/lam_2009spring
https://www.nxtbook.com/dawson/greenroofs/lam_2009winter
https://www.nxtbook.com/dawson/greenroofs/lam_2008fall
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