A 15-year study on the relationship between beech (Fagus crenata) reproductive-organ production and the numbers of nuisance Japanese black bears (Ursus thibetanus japonicus) killed in a snowy rural region in central Japan

Ida, Hideyuki

doi:10.1007/s11355-021-00472-9

Cited by 2 publications

(5 citation statements)

References 40 publications

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“…argenteus density in 2016 is unclear, however, masting of beech ( F . crenata ), which was reported in 2015 in central Japan (Ida 2021), likely influenced the rodent population dynamics (Abe et al . 2005).…”

Section: Discussionmentioning

confidence: 99%

“…The mass production of S. borealis seeds, which are rich in nutrients (Shimada et al 2019), may have improved the breeding capability of rodents (Wolff 1996). The reason for the relatively high A. argenteus density in 2016 is unclear, however, masting of beech (F. crenata), which was reported in 2015 in central Japan (Ida 2021), likely influenced the rodent population dynamics (Abe et al 2005).…”

Section: Gradual Changes In Environmental Conditionsmentioning

confidence: 99%

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Reproductive characteristics in an understory bamboo and gradual environmental changes after its dieback provide an extended opportunity for overstory tree regeneration in a mixed cool‐temperate forest in central Japan

et al. 2023

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The reproductive characteristics of understory bamboo and the effects of dieback on overstory tree seedlings through temporal changes in the environment at the forest floor have only been examined in a few bamboo species, due to the unpredictable occurrence of flowering events and long intervals between them but provide valuable information on tree regeneration and succession in a forest with dense dwarf bamboo cover.• We investigated environmental conditions and assessed seedlings (< 30-cm tall) of the dwarf bamboo Sasa borealis and overstory tree species at 44-50 measurement points during 2016-2021, which included a S. borealis mass flowering event in 2017. We also conducted seed germination tests to determine germination rates and patterns in S. borealis. Environmental factors affecting seedling recruitment of S. borealis and of overstory trees were analysed using spatiotemporal generalized linear mixed models in the Bayesian framework.• We observed gradual temporal changes in the environment, including increasing canopy openness and decreasing maximum height of dead S. borealis culms. The seeds germinated slowly and the emergence of current-year S. borealis seedlings peaked in spring-summer in 2019. The tree seedling density after 2019 increased significantly compared to that before the dieback. The model results suggest that tree seedling establishment was enhanced by increased light availability.• Continuous field observation beginning before S. borealis dieback revealed gradually enhanced tree recruitment in response to slow decay of the remaining dead culms and slow recovery of S. borealis. The seedling regeneration pattern of understory bamboo partly contributes to a prolonged opportunity for overstory tree regeneration.

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Section: Discussionmentioning

confidence: 99%

Section: Gradual Changes In Environmental Conditionsmentioning

confidence: 99%

Reproductive characteristics in an understory bamboo and gradual environmental changes after its dieback provide an extended opportunity for overstory tree regeneration in a mixed cool‐temperate forest in central Japan

et al. 2023

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“…The expected response of masting to climate change remains unresolved, and MASTREE+ will enable testing of contrasting predictions that masting will be unresponsive to trends in mean temperature (Kelly et al, 2013), or will shift predictably based on climate‐driven changes in resource limitation (Bogdziewicz, 2021). Resolving this uncertainty is a priority because changes in seed masting will impact plant reproductive success, and more widely affect ecosystem services and habitat management (Ida, 2021; Pearse et al, 2021; Touzot et al, 2020).…”

Section: Applications Of Mastree+mentioning

confidence: 99%

“…Many ecologically and economically important species show highly variable investment in reproduction between years, and the ability to accurately forecast occasional years of high seed production is a priority for habitat management, with wide ranging applications (Chiavetta & Marzini, 2021; Pearse et al, 2021; Pukkala et al, 2010). Predictive models of masting developed and tested using MASTREE+ data may enable more effective seed collection for afforestation and restoration schemes (Fargione et al, 2021; Kettle et al, 2010), inform wildlife and conservation management (Choquenot & Ruscoe, 2000; Fujiki, 2018; Ida, 2021; O'Donnell & Hoare, 2012), and enable forecasting of periods of elevated infection risk from tick‐borne disease, which predictably follow years of high seed production in many forest ecosystems (Brugger et al, 2018; Cunze et al, 2018; Heyman et al, 2012; Ostfeld et al, 1996).…”

Section: Applications Of Mastree+mentioning

confidence: 99%

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MASTREE+: Time‐series of plant reproductive effort from six continents

Hacket‐Pain

Foest

Pearse

et al. 2022

Global Change Biology

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Significant gaps remain in understanding the response of plant reproduction to environmental change. This is partly because measuring reproduction in long-lived plants requires direct observation over many years and such datasets have rarely been made publicly available. Here we introduce MASTREE+, a data set that collates reproductive time-series data from across the globe and makes these data freely available to the community. MASTREE+ includes 73,828 georeferenced observations of annual reproduction (e.g. seed and fruit counts) in perennial plant populations worldwide.These observations consist of 5971 population-level time-series from 974 species in 66 countries. The mean and median time-series length is 12.4 and 10 years respectively, and the data set includes 1122 series that extend over at least two decades (≥20 years of observations). For a subset of well-studied species, MASTREE+ includes extensive replication of time-series across geographical and climatic gradients. Herewe describe the open-access data set, available as a.csv file, and we introduce an associated web-based app for data exploration. MASTREE+ will provide the basis for improved understanding of the response of long-lived plant reproduction to environmental change. Additionally, MASTREE+ will enable investigation of the ecology and evolution of reproductive strategies in perennial plants, and the role of plant reproduction as a driver of ecosystem dynamics.

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A 15-year study on the relationship between beech (Fagus crenata) reproductive-organ production and the numbers of nuisance Japanese black bears (Ursus thibetanus japonicus) killed in a snowy rural region in central Japan

Cited by 2 publications

References 40 publications

Reproductive characteristics in an understory bamboo and gradual environmental changes after its dieback provide an extended opportunity for overstory tree regeneration in a mixed cool‐temperate forest in central Japan

Reproductive characteristics in an understory bamboo and gradual environmental changes after its dieback provide an extended opportunity for overstory tree regeneration in a mixed cool‐temperate forest in central Japan

MASTREE+: Time‐series of plant reproductive effort from six continents

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