Entire-area spring burning versus abandonment in grasslands: butterfly responses associated with hibernating traits

Ohwaki, Atsushi

doi:10.1007/s10841-019-00181-7

Cited by 5 publications

(3 citation statements)

References 62 publications

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“…The vegetation height across the study sites was negatively correlated with the number of butterfly species, number of individual butterflies, the number of inflorescences of flowering plants, and host plants over the two years, regardless of whether the vegetation was mowed or not. This pattern is consistent with many previous studies conducted on temperate grasslands (Ohwaki 2019). The study site also served as a critical habitat for butterfly and flower communities in areas with low vegetation height.…”

Section: The Effect Of Mowing On Butterfly Communities and Flowering ...supporting

confidence: 91%

“…The mowed areas were rich in host plant inflorescences, which could have attracted adult butterflies. Although the egg-laying preferences of female butterfly adults were not quantitatively determined, previous studies indicate that this species tends to lay eggs in relatively open areas, such as habitat margins and the borders of bare areas (Ohwaki 2019). Additionally, larvae of P. argyrognomon, a semi-natural grassland species of the same genus, have been found to be more frequently parasitized by generalist flies on the higher host plants, resulting in lower survival rates as vegetation height increases (Yeh et al 2021).…”

Section: The Mowing Effect On P Subsolanus and Host Plantsmentioning

confidence: 99%

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Effect of mowing on population maintenance of the endangered silver-studded blue butterfly, Plebejus subsolanus iburiensis (Lepidoptera: Lycaenidae), throughout its life cycle

Hayamizu,

Nakahama,

Ohwaki

et al. 2023

Preprint

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Introduction: The decline in semi-natural grasslands is posing a threat to several grassland insect species, including the silver-studded blue butterfly, Plebejus subsolanus ssp. iburiensis, which is nationally rare species of wild fauna in Japan. Aims: This study aimed to investigate the impact of mowing on larval and adult populations of P. subsolanus in a conservation area and to identify suitable habitat management methods for this species and other butterflies. We surveyed the number of larvae and adults of P. subsolanus, other butterfly species, and the height, cover, and number of inflorescences of the host plant (Vicia unijuga), in both mowed and unmowed areas. Results: Larvae only appeared in the mowed area, and the cover and height of host plant were markedly higher in the mowed area. Furthermore, the number of adult P. subsolanus was substantially higher in the mowed areas. However, no statistical differences were observed in the number of other butterfly species, species richness, inflorescences or number of flowering plants between the mowed and unmowed areas. Discussion: The mowed area is an important habitat for both larvae and adults of P. subsolanus. Although there were no differences in the number of other butterfly species and flowering plants between the mowed and unmowed areas, the vegetation height was negatively correlated with these variables. Implications for insect conservation: Our results show that the creation of areas with reduced vegetation height could be effective in the conservation management of butterfly and floral communities, including P. subsolanus and its host plants.

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Section: The Effect Of Mowing On Butterfly Communities and Flowering ...supporting

confidence: 91%

Section: The Mowing Effect On P Subsolanus and Host Plantsmentioning

confidence: 99%

Effect of mowing on population maintenance of the endangered silver-studded blue butterfly, Plebejus subsolanus iburiensis (Lepidoptera: Lycaenidae), throughout its life cycle

Hayamizu,

Nakahama,

Ohwaki

et al. 2023

Preprint

Self Cite

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“…Extensively managed perennial grasslands, in particular, harbor a rich diversity of plants (Fig. 1), provide habitat for birds and insects, supply genetic resources, and are of substantial conservation value (White et al 2000, Noss 2012, Werling et al 2014, Ohwaki, 2019, Zografou et al 2020.…”

Section: Biodiversity and Habitatmentioning

confidence: 99%

A framework for sustainable management of ecosystem services and disservices in perennial grassland agroecosystems

et al. 2021

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Increasing demand for agricultural products is driving grassland management intensification with subsequent impacts on ecosystem services and disservices. Key questions related to grassland production as well as environmental and social concerns must be addressed to ensure sustainability. We propose a unified perspective, addressing numerous trade-offs and synergies between grassland ecosystem services and disservices, and considering an array of ecological and human consequences associated with history and ongoing shifts in management strategies. Much of our discussion utilizes evidence from humid grasslands; however, our examples and recommendations have global implications for the future of grassland management. We characterize four categories of ecosystem services and disservices (provisioning, supporting, regulating, and cultural) provided by perennial grasslands that are extensively managed (low or no input, never cultivated) or intensively managed (high-input, cultivated). We explore a range of potential outcomes following transition from extensive to intensive agroecosystems around the globe. Additionally, we suggest specific research priorities to better evaluate ecosystem services and disservices across management intensities. Finally, we highlight potential benefits of landscape mosaics that include grasslands across a continuum of extensive to intensive strategies.

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Effect of mowing on population maintenance of the endangered silver-studded blue butterfly, Plebejus subsolanus (Lepidoptera: Lycaenidae), throughout its life cycle in Japan

Hayamizu,

Nakahama,

Ohwaki

et al. 2024

J Insect Conserv

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Introduction:The decline in semi-natural grasslands is posing a threat to several grassland insect species, including the silver-studded blue butterfly, Plebejus subsolanus ssp. iburiensis, which is nationally rare species of wild fauna in Japan.Aims: This study aimed to investigate the impact of mowing on larval and adult populations of P. subsolanus in a conservation area and to identify suitable habitat management methods for this species and other butterflies. We surveyed the number of larvae and adults of P. subsolanus, other butterfly species, and the height, cover, and number of inflorescences of the host plant (Vicia unijuga), in both mowed and unmowed areas.Results: Larvae only appeared in the mowed area, and the cover and height of host plant were markedly higher in the mowed area. Furthermore, the number of adult P. subsolanus was substantially higher in the mowed areas. However, no statistical differences were observed in the number of other butterfly species, species richness, inflorescences or number of flowering plants between the mowed and unmowed areas.Discussion: The mowed area is an important habitat for both larvae and adults of P. subsolanus. Although there were no differences in the number of other butterfly species and flowering plants between the mowed and unmowed areas, the vegetation height was negatively correlated with these variables.Implications for insect conservation: Our results show that the creation of areas with reduced vegetation height could be effective in the conservation management of butterfly and floral communities, including P. subsolanus and its host plants.

show abstract

Entire-area spring burning versus abandonment in grasslands: butterfly responses associated with hibernating traits

Cited by 5 publications

References 62 publications

Effect of mowing on population maintenance of the endangered silver-studded blue butterfly, Plebejus subsolanus iburiensis (Lepidoptera: Lycaenidae), throughout its life cycle

Effect of mowing on population maintenance of the endangered silver-studded blue butterfly, Plebejus subsolanus iburiensis (Lepidoptera: Lycaenidae), throughout its life cycle

A framework for sustainable management of ecosystem services and disservices in perennial grassland agroecosystems

Effect of mowing on population maintenance of the endangered silver-studded blue butterfly, Plebejus subsolanus (Lepidoptera: Lycaenidae), throughout its life cycle in Japan

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