Effects of long‐term experimental warming on plants and soil microbes in a cool temperate semi‐natural grassland in Japan

Suzuki, Mayuko; Suminokura, Nobuhiko; Tanami, Kenta; Yoshitake, Shinpei; Masuda, Shingo; Tomotsune, Mitsutoshi; Koizumi, Hiroshi

doi:10.1007/s11284-016-1386-3

Cited by 9 publications

(7 citation statements)

References 28 publications

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“…Warming will likely occur throughout the year, even though its magnitude may differ among seasons 1,5 . Combined warming effects, particularly on opposing trends such as the changes in plant-community composition, are difficult to predict and require further research that includes seasonally non-uniform warming lasting long enough for studying community changes and acclimation effects in plants and microorganisms 42,43 . Our soil warming of 1.6 °C was at the lower end of commonly applied warming manipulations (1.5 to 6 °C 3 ).…”

Section: Discussionmentioning

confidence: 99%

Winter warming is ecologically more relevant than summer warming in a cool-temperate grassland

Kreyling

Grant

Hammerl

et al. 2019

Sci Rep

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Climate change affects all seasons, but warming is more pronounced in winter than summer at mid- and high latitudes. Winter warming can have profound ecological effects, which are rarely compared to the effects of summer warming, and causal explanations are not well established. We compared mild aboveground infrared warming in winter to warming in summer in a semi-natural, cool-temperate grassland in Germany for four years. Aboveground plant biomass increased following winter warming (+18%) and was unaffected by summer warming. Winter warming affected the composition of the plant community more than summer warming, favoring productive species. Winter warming increased soil respiration more than summer warming. Prolonged growing seasons and changes in plant-community composition accounted for the increased aboveground biomass production. Winter warming stimulated ecological processes, despite causing frost damage to plant roots and microorganisms during an extremely cold period when warming reduced the thermal insulation provided by snow. Future warming beyond such intermittent frosts may therefore further increase the accelerating effects of winter warming on ecological processes.

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Section: Discussionmentioning

confidence: 99%

Winter warming is ecologically more relevant than summer warming in a cool-temperate grassland

Kreyling

Grant

Hammerl

et al. 2019

Sci Rep

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“…However, differences in microbial community structure (Figure 7b) were also observed for the plots without the significant difference in litter decomposition (Ci and Wi), suggesting that the impact of shifts in microbial community structure may be limiting in our current study. Shifts in the microbial community in the warming experiment were often reported for soil samples, but not for decomposing litter, in some previous studies (Suzuki et al, 2016;Xu & Yuan, 2017;Yoshitake et al, 2015). For…”

Section: Plot/treatmentmentioning

confidence: 87%

“…The block had been used since 2008 for an experiment to test the impact of warming on Z. japonica semi‐natural grassland and 18 Z. japonica plots (ca. 1.2 × 0.8 m 2 ) were located with about 1‐m intervals each other (Sekine et al., 2013; Suzuki et al., 2016; Yoshitake et al., 2015). The site has a cool‐temperate climate and is usually covered by snow from late December to early April.…”

Section: Methodsmentioning

confidence: 99%

“…Many previous studies have examined the effect of global warming on ecosystem function of grasslands, including carbon and nitrogen cycling (Fu et al., 2013; Suzuki et al., 2016). Some studies only considered the impact of simple temperature increase (e.g., Yoshitake et al., 2015; Zhang et al., 2005) and others examined the combined effects of temperature increase and changes in precipitation (Flanagan et al., 2013; Zhou et al., 2012).…”

Section: Introductionmentioning

confidence: 99%

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Composite effects of temperature increase and snow cover change on litter decomposition and microbial community in cool‐temperate grassland

et al. 2020

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We aimed to clarify the individual and interactive effects of temperature increase during snow‐free seasons and snow depth change (increase/decrease) on litter decomposition and microbial community in cool‐temperate semi‐natural grassland. We conducted a 2‐year in situ composite warming experiment comprising temperature increase (ca. 2°C) using infrared heaters during snow‐free seasons and manual snow depth manipulation (±50% in snow depth) in Japanese grassland. Changes in litter mass remaining and litter carbon‐to‐nitrogen ratio (C/N ratio) were assessed by litter bag methods. Microbial biomass and community structure were determined by phospholipid fatty acid analysis. Litter decomposition constant (k) was low in the plots with temperature increase during snow‐free seasons (0.56) and with less snow cover (0.57), but combining these two treatments resulted in acceleration of decomposition (k = 0.70); probably, decreased decomposition in the cold climate of early spring resulting from advanced snow melting was compensated for by higher temperature. Differences in mass loss among the treatments were well explained by litter C/N, microbial biomass and microbial community structure. The plots with a high mass loss showed lower litter C/N ratio, larger microbial biomass and different microbial community structure comparing to the plots with low mass loss. Our results showed the complex responses of litter decomposition to summer and winter climate change and combination of less snow cover and summer warming seemed to accelerate the decomposition in cool‐temperate semi‐natural grassland.

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“…Temperature is a primary driver of biological processes, and climate warming has impacted biodiversity significantly in all kinds of terrestrial ecosystems ( Chen et al, 2011 ). Many studies have revealed that climate warming has negative effects on soil microbial biomass ( Suzuki et al, 2016 ; Verbrigghe et al, 2022 ), diversity ( Wu et al, 2022 ), community composition ( Guo et al, 2018 ), and function ( Xue et al, 2016 ). Precipitation is one of the most important factors influencing microbial community composition in terrestrial ecosystems ( Zhou et al, 2018 ).…”

Section: Introductionmentioning

confidence: 99%

Increasing precipitation weakened the negative effects of simulated warming on soil microbial community composition in a semi-arid sandy grassland

Wang

Jiang²,

Li³

et al. 2023

Front. Microbiol.

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Soil microbial diversity, composition, and function are sensitive to global change factors. It has been predicted that the temperature and precipitation will increase in northern China. Although many studies have been carried out to reveal how global change factors affect soil microbial biomass and composition in terrestrial ecosystems, it is still unexplored how soil microbial diversity and composition, especially in microbial functional genes, respond to increasing precipitation and warming in a semiarid grassland of northern China. A field experiment was established to simulate warming and increasing precipitation in a temperate semiarid grassland of the Horqin region. Soil bacterial (16S) and fungal (ITS1) diversity, composition, and functional genes were analyzed after two growing seasons. The result showed that warming exerted negative effects on soil microbial diversity, composition, and predicted functional genes associated with carbon and nitrogen cycles. Increasing precipitation did not change soil microbial diversity, but it weakened the negative effects of simulated warming on soil microbial diversity. Bacterial and fungal diversities respond consistently to the global change scenario in semiarid sandy grassland, but the reasons were different for bacteria and fungi. The co-occurrence of warming and increasing precipitation will alleviate the negative effects of global change on biodiversity loss and ecosystem degradation under a predicted climate change scenario in a semiarid grassland. Our results provide evidence that soil microbial diversity, composition, and function changed under climate change conditions, and it will improve the predictive models of the ecological changes of temperate grassland in future climate change scenarios.

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Effects of long‐term experimental warming on plants and soil microbes in a cool temperate semi‐natural grassland in Japan

Cited by 9 publications

References 28 publications

Winter warming is ecologically more relevant than summer warming in a cool-temperate grassland

Winter warming is ecologically more relevant than summer warming in a cool-temperate grassland

Composite effects of temperature increase and snow cover change on litter decomposition and microbial community in cool‐temperate grassland

Increasing precipitation weakened the negative effects of simulated warming on soil microbial community composition in a semi-arid sandy grassland

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