Dead wood resources vary across different types of urban green spaces and depend on property prices

Arkadiusz Fröhlich , Michał Ciach

Abstract

Dead wood provides important ecosystem services and has a positive effect on biodiversity. However, urbanenvironments have limited resources of coarse woody debris (CWD). The presence of CWD depends on bothprogressive tree mortality and the frequency and intensity of CWD removal for safety or aesthetic reasons, whichcan lead to variations in CWD occurrence. The aim of this study was to assess the variation in the quantity andquality of CWD in urban green spaces and to assess the relationship between CWD resources and managementpolicy, ownership, economic parameters and factors accelerating tree mortality. Fallen logs, dead standing treesand dead tree branches (DTB) were surveyed on 488 sample plots selected at random in the city of Kraków(Poland). Distance to the river, coverage of impervious surfaces, environmental pollution, property prices andtypes of green space were used to explain the variation in CWD resources. CWD occurred on 46% of the sampleplots. DTB were the most frequent form of CWD (44% of plots), while dead standing trees were rare (4%) andfallen logs absent. The prevalence of CWD was the highest in forest remnants, followed by private gardens, urbanparks, fallow land and small green patches. DTB were the most abundant in the forest remnants. In both forestremnants and private gardens, the probability of CWD occurrence decreased with increasing property prices.Management policy and economy rather than factors accelerating tree mortality are suggested as shaping CWDresources in urban green spaces. The article highlights the importance of DTB as the most widespread form ofCWD and forest remnants as the type of green space having the most abundant resources of CWD. Sustainablemanagement of CWD resources within urban green spaces and environmental education are needed to conservebiodiversity and maintain ecosystem services.
Author Arkadiusz Fröhlich (FoF / L-IBL)
Arkadiusz Fröhlich,,
- Institute of Forest Biodiversity
, Michał Ciach (FoF / IoEaS / DBL)
Michał Ciach,,
- DEPOSIT BIOGENIC DEPARTMENT
Journal seriesLandscape and Urban Planning, ISSN 0169-2046, e-ISSN 1872-6062, (N/A 200 pkt)
Issue year2020
Vol197
Pages1-12
Publication size in sheets0.55
Article number103747
Keywords in EnglishUrban ecology, Dead trees, Crown deadwood, Tree dieback, Tree grooming, Saproxylic organisms
ASJC Classification2303 Ecology; 2308 Management, Monitoring, Policy and Law; 2309 Nature and Landscape Conservation
DOIDOI:10.1016/j.landurbplan.2020.103747
URL https://www.sciencedirect.com/science/article/pii/S0169204619306310?via%3Dihub
Languageen angielski
Score (nominal)200
Score sourcejournalList
Publication indicators Scopus SNIP (Source Normalised Impact per Paper): 2016 = 2.13; WoS Impact Factor: 2018 = 5.144 (2) - 2018=6.571 (5)
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