Impacts of the remnant sizes, forest types, and landscape patterns of surrounding areas on woody plant diversity of urban remnant forest patches

Yang, Jingyi; Yang, Jun; Xing, Danqi; Luo, Xiangyu; Lu, Siran; Huang, Conghong; Hahs, Amy K.

doi:10.1007/s11252-020-01040-z

Cited by 27 publications

(19 citation statements)

References 52 publications

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“…The consequences of intensive urbanization on urban forests are oxidative stress (Isaksson 2015), changes in biogeochemical cycles (Alberti 2010), biotic homogenization (Kuhn and Klotz 2006), etc. Observations from field studies also support this possibility that the taxonomic β-diversity of trees among forest patches in Guiyang city was low when the percentage of surrounding impervious area was high (Yang et al 2020).…”

Section: The Impacts Of Urbanization On Historical Forestsmentioning

confidence: 83%

“…Current studies on the impacts of urbanization on historical forests have mainly focused on landscape metrics of the remnant patch itself or the surrounding matrix, which can be evaluated by patch-based computation software at the patch, class and landscape levels (e.g., Fragstats software). Many studies have found that the size of remnant patches has significant impacts on the plant diversity of historical forests (Ramalho et al 2014;Stiles and Scheiner 2010;Yang et al 2020). Patch size can influence the amount of room that remnants can provide for the survival of individuals and the buffering capacity of remnants when affected by surrounding environments (Hansen and DeFries 2007;Maiorano et al 2008;Scheiner and Willig 2005).…”

Section: Introductionmentioning

confidence: 99%

“…While existing studies have provided useful knowledge about the effect of urbanization on historical forests, some issues are worth addressing to improve our understanding. First, existing studies have mainly concentrated on the impact of landscape patterns based on the current situation of urban land use (Huang et al 2013;Williams and Winfree 2013;Yang et al 2020). Few studies have considered the association between temporal changes in urban land use and the formation process of historical forest patches in a city (Han et al 2019).…”

Section: Introductionmentioning

confidence: 99%

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Impacts of Temporal Changes in Land use/cover on the Remaining Historical Forests in a Rapidly Urbanizing area

Yang

2021

Preprint

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Background: Remaining historical forests are crucial for maintaining biodiversity in urban areas. However, the integrity and stability of historical forests are affected by land use/cover change in various ways. A better understanding of these impacts can help guide targeted conservation. Methods: In this study, we estimated the loss of forestlands and levels of threats and analysed the importance of critical areas for historical forests in the built-up area of a rapidly urbanizing city—Guiyang, China. Results and Conclusions: The results showed that 1988.46 ha of historical forestlands was transformed into other land use/cover types. The number of patches smaller than 10 ha increased by 51% from 1976 to 2018. The lands of 36 historical forest patches were completely transformed into other land use/cover types during the past 42 years. The mean value of the threat index of all the historical forest patches increased by 33% compared to the baseline year. Core and bridge areas regarded as key nodes and links for the connectivity of forest networks decreased in area by 632.34 and 331.92 ha, respectively. Most of the critical areas with high importance values for connectivity were located in the central part of the city. They were severely threatened by the surrounding areas, having high threat index values. Based on these findings, we recommend that effective measures be implemented to control the further loss of historical forests and increase the connectivity and buffering capacity of the remaining forests by planting trees in some key locations.

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Section: The Impacts Of Urbanization On Historical Forestsmentioning

confidence: 83%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Impacts of Temporal Changes in Land use/cover on the Remaining Historical Forests in a Rapidly Urbanizing area

Yang

2021

Preprint

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“…Existing studies have shown that 500 m is a suitable buffer distance for detecting the association between landscape contexts and plant species richness (Duguay et al 2007;Kleijn et al 2009;Vakhlamova et al 2014). Also, a previous study in Guiyang detected a significant effect of the surrounding environment (the urban matrix) on the woody plant diversity in remnant patches using 500-m buffers (Yang et al 2020). Since the primary goal of this study is further explore the properties of the urban matrix that affect the woody plant diversity in remnant patches, the buffer width was suitable because a significant effect can be detected at this distance.…”

Section: Measure Heterogeneity Of the Urban Matrixmentioning

confidence: 99%

“…The previous study showed that the diversity of woody plants in the patches was affected by patch sizes, vegetation types, and the characteristics of the surrounding landscapes (Yang et al 2020). Because this study focused on the influence of the surrounding landscape (i.e., the urban matrix), we controlled the influences of the other two factors by fixing the vegetation type and keeping the patch size in a range as narrower as possible.…”

Section: Select Remnant Forest Patches and Conduct Field Surveysmentioning

confidence: 99%

Effects of compositional and configurational heterogeneity of the urban matrix on the species richness of woody plants in urban remnant forest patches

Yang

Luo

et al. 2021

Landsc Ecol

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Context Urban remnant forest exists as patches scattered in an urban matrix. They are important sites for urban biodiversity conservation. Nevertheless, it is unclear how the properties of the urban matrix affect the biodiversity of remnant patches. Objective Using data surveyed from 30 urban remnant forest patches in Guiyang, China, we intended to find out whether heterogeneity of the urban matrix affects the species richness of woody plants in these patches significantly. Methods We used landscape indices calculated from land cover data to quantify compositional and

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Woody plant functional traits and phylogenetic signals correlate with urbanization in remnant forest patches

Yang,

Wang,

Pan

et al. 2023

Ecology and Evolution

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Exploring the alterations in functional traits of urban remnant vegetation offers a more comprehensive perspective on plant assembly within the context of urbanization. While plant functional traits are influenced by both environmental gradients and the evolutionary history of plant species, the specific mechanisms by which urbanization mediates the combination of functional traits and the evolutionary history of remnant vegetation remain unclear. To examine the relationship between functional traits and phylogenies of remnant vegetation and urbanization, we classified the woody plant species surveyed in 72 sample plots in nine remnant forest patches in Guiyang, China, into four groups (urban, rural, middle and general groups) according to their location under different levels of urbanization and measured nine functional traits of these species. The phylogenetic signals of each functional trait of the four species groups were then quantified based on Blomberg's K. Furthermore, we analysed the correlations between functional traits and species abundance using phylogenetic generalized least squares. The results showed that significant phylogenetic signals were detected in more functional traits of the urban group than other groups. Thirteen and three significant relationships between functional traits and species abundance were detected for tree and shrub species after removing phylogenies. Tall tree species were more abundant in the urban group, while the general group favoured the species with adaptable traits (low height and high leaf area and C/N). Overall, we demonstrate that urbanization drove shifts in plant functional traits in remnant forests after combining the phylogenetic patterns.

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Impacts of the remnant sizes, forest types, and landscape patterns of surrounding areas on woody plant diversity of urban remnant forest patches

Cited by 27 publications

References 52 publications

Impacts of Temporal Changes in Land use/cover on the Remaining Historical Forests in a Rapidly Urbanizing area

Impacts of Temporal Changes in Land use/cover on the Remaining Historical Forests in a Rapidly Urbanizing area

Effects of compositional and configurational heterogeneity of the urban matrix on the species richness of woody plants in urban remnant forest patches

Woody plant functional traits and phylogenetic signals correlate with urbanization in remnant forest patches

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