2019
DOI: 10.1111/ddi.13019
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Plant response to habitat amount and configuration in Swedish forests

Abstract: Aim There is an intense debate about whether habitat fragmentation has a negative or positive effect on biodiversity. We examined whether species richness and incidence of forest plants were negatively or positively associated with fragmented forest configuration. We also analysed whether the results support the fragmentation threshold hypothesis with fragmentation effects only in landscapes with small habitat amount. Location Södermanland province, south‐eastern Sweden (8,388 km2). Methods Data consisted of p… Show more

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Cited by 9 publications
(9 citation statements)
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References 41 publications
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“…For example, Rueda et al (2015) found fragmentation thresholds for only 2 of 9 (22%) shade-tolerant plant species. Similarly, Lehtilä et al (2020) reported that only 31 of 163 (19%) and 24 of 119 (20%) forest specialist species experience fragmentation thresholds for clumpiness and edge density respectively. Therefore, the lack of a fragmentation threshold in our community-level study may be related to the fact that most species do not likely present fragmentation thresholds-an interesting avenue for future research.…”
Section: Discussionmentioning
confidence: 96%
See 1 more Smart Citation
“…For example, Rueda et al (2015) found fragmentation thresholds for only 2 of 9 (22%) shade-tolerant plant species. Similarly, Lehtilä et al (2020) reported that only 31 of 163 (19%) and 24 of 119 (20%) forest specialist species experience fragmentation thresholds for clumpiness and edge density respectively. Therefore, the lack of a fragmentation threshold in our community-level study may be related to the fact that most species do not likely present fragmentation thresholds-an interesting avenue for future research.…”
Section: Discussionmentioning
confidence: 96%
“…<30% of forest cover: Andrén, 1994; 30%-50%, Martensen et al, 2012;Pardini et al, 2010;Villard & Metzger, 2014). Studies on plants in temperate (Rueda et al, 2015) and boreal forests (Lehtilä et al, 2020) have found that fragmentation thresholds at the population level are rare. For example, Rueda et al (2015) found fragmentation thresholds for only 2 of 9 (22%) shade-tolerant plant species.…”
Section: Discussionmentioning
confidence: 99%
“…This supports the ‘fragmentation threshold hypothesis’ (Andrén, 1994). Lehtilä et al (2020) also found that fragmentation effects on boreal forests of Sweden are stronger in landscapes with < 25% of forest cover, and Palmeirim et al (2019) found that fragmentation thresholds on small tropical mammals can be smaller (i.e. < 10% forest cover).…”
Section: Discussionmentioning
confidence: 99%
“…The above issue is not trivial, as the effects of forest spatial configuration, such as forest fragmentation, on the attributes of biological assemblages have been hypothesized to depend on the regional deforestation context (Andrén, 1994; Villard & Metzger, 2014). For example, the ‘fragmentation threshold hypothesis’ predicts that the effects of fragmentation should be stronger in regions with very low (< 30%) forest cover (Andrén, 1994; Lehtilä et al, 2020; Palmeirim et al, 2019). Other studies suggest that the strongest biological responses to fragmentation occur in regions with intermediate levels (30% to 50%) of forest cover (Pardini et al, 2010; Villard & Metzger, 2014).…”
Section: Introductionmentioning
confidence: 99%
“…Yet, predictions and ecological outcomes at local scales can be dramatically different from those generated by global climate models (Nadeau et al, 2017). Landscape configuration and heterogeneity have been shown to play an essential role in modulating the impact of large‐scale climate forcing on both plants and animals (Dong et al, 2017; Lehtilä et al, 2020; Ohler et al, 2020; Sunday et al, 2014). Spatial heterogeneity in the thermal environment may create local refugia, allowing species to survive during unusually harsh conditions (e.g., during heatwaves).…”
Section: Introductionmentioning
confidence: 99%