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Urban shade as a cryptic habitat : fern distribution in building gaps in Sapporo, northern Japan

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Title: Urban shade as a cryptic habitat : fern distribution in building gaps in Sapporo, northern Japan
Authors: Kajihara, Kazumitsu Browse this author
Yamaura, Yuichi Browse this author →KAKEN DB
Soga, Masashi Browse this author
Furukawa, Yasuto Browse this author
Morimoto, Junko Browse this author →KAKEN DB
Nakamura, Futoshi Browse this author →KAKEN DB
Keywords: Building gaps
Ground cover
Isolation effect
Novel ecosystems
Urban matrix
Urban maturation
Issue Date: Mar-2016
Publisher: Springer
Journal Title: Urban ecosystems
Volume: 19
Issue: 1
Start Page: 523
End Page: 534
Publisher DOI: 10.1007/s11252-015-0499-8
Abstract: Biodiversity conservation and restoration in cities is a global challenge for the 21st century. Unlike other common ecosystems, urban landscapes are predominantly covered by gray, artificial structures (e.g., buildings and roads), and remaining green spaces are scarce. Therefore, to conserve biodiversity in urban areas, understanding the potential conservation value of artificial structures is vital. Here, we examined factors influencing the distribution of ferns in building gaps, one of the more common artificial structures, in urban Sapporo, northern Japan. We observed 29 fern species, which corresponds to 30 % of all fern species previously recorded in Sapporo. The four dominant species were Equisetum arvense, Matteuccia struthiopteris, Dryopteris crassirhizoma, and Athyrium yokoscense. Statistical analyses showed that their distribution patterns in building gaps were associated with both local- and landscape-scale environmental factors. Although ground cover type and distance from continuous forests were the most important determinants, other factors such as the amount of solar radiation, habitat age (years after building development), and urban district type also affected fern distribution. These results suggest that building gaps act as an important habitat for ferns in highly urbanized landscapes. Policy makers and city planners should therefore not overlook these cryptic habitats. Clarifying the ecological functions of artificial structures will both further our understanding of novel ecosystems and develop a new framework for conserving and restoring biodiversity in human-modified landscapes.
Rights: The final publication is available at link.springer.com
Type: article (author version)
URI: http://hdl.handle.net/2115/64616
Appears in Collections:農学院・農学研究院 (Graduate School of Agriculture / Faculty of Agriculture) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 中村 太士

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