Factors Affecting the Breeding Activity of the Japanese Common Toad,<i>Bufo japonicus formosus</i>(Amphibia: Bufonidae) with Special Reference to the Lunar Cycle

Kusano, Tamotsu; Miura, Tomoyo; Terui, Shunta; Maruyama, K.

doi:10.5358/hsj.34.101

Cited by 16 publications

(19 citation statements)

References 22 publications

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“…This study demonstrates that B. j. formosus forages frequently, even in highly human-disturbed areas without canopy cover beside buildings. A total of seven species of amphibians reproduce at the study site (Kusano and Inoue, 2008;Kusano et al, 2006Kusano et al, , 2015; all of the other species rarely emerge from the forested areas (see Okochi, 2001). Almost all amphibian species have disappeared from highly disturbed urban areas of Tokyo, but B. j. formosus has persisted even in these areas (Fukuyama and Kusano, 2013).…”

Section: Resultsmentioning

confidence: 99%

“…We conducted this study from May to June in 2015 on the campus grounds (area approximately 40 ha) of the Tokyo Metropolitan University in Hachioji-shi, Tokyo (35°37′10″N, 139°22′56″E; datum WGS 84) at an altitude of 110-140 m. This area contains various types of habitats, such as secondary deciduous forests, planted coniferous forests, grass fields, paved areas, and abandoned paddy fields. From late February to March, several hundred B. j. formosus individuals aggregate in a human-made pond located near the center of the campus, and subsequently disperse during the non-breeding season to various nearby habitats (Kusano et al, 2015). Detailed descriptions of the study area have been reported by Kusano and Inoue (2008) and Kusano et al (2006Kusano et al ( , 2015.…”

Section: Materials Species and Study Areamentioning

confidence: 99%

“…From late February to March, several hundred B. j. formosus individuals aggregate in a human-made pond located near the center of the campus, and subsequently disperse during the non-breeding season to various nearby habitats (Kusano et al, 2015). Detailed descriptions of the study area have been reported by Kusano and Inoue (2008) and Kusano et al (2006Kusano et al ( , 2015.…”

Section: Materials Species and Study Areamentioning

confidence: 99%

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Evaluating Movement Patterns and Microhabitat Selection of the Japanese Common Toad (Bufo japonicus formosus) Using Fluorescent Powder Tracking

Okamiya

Kusano

2018

Zoological Science

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Bufo japonicus formosus (Eastern-Japanese common toad) is endemic to Eastern Japan. As with many Japanese amphibians, little is known about its terrestrial life, especially during the nonbreeding season. This species persists even in highly disturbed urban areas where many other amphibian species have already been extirpated. An understanding of how such species use habitats within remnant landscapes may help to inform management strategies for the conservation of urban ecosystems. We examined the nightly movement patterns, distance traveled, movement range, and microhabitat selection of non-breeding adult B. j. formosus at an urbanized site, using fluorescent powder tracking. We evaluated the usefulness of this tracking method through this survey. We found that the nightly distances traveled by these toads varied greatly among individuals and nights. No sexual differences in movement pattern, distance traveled, and movement range were detected. However, body size significantly affected distance traveled and movement range. We found that toads tended to use areas covered with grasses and mosses more frequently than expected, and to avoid paved areas. Fluorescent powder tracking was effective for the elucidation of movement patterns and habitat selection of amphibians. Our results provide useful information for the conservation of amphibians, especially for species inhabiting urbanized areas.

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Section: Resultsmentioning

confidence: 99%

Section: Materials Species and Study Areamentioning

confidence: 99%

Section: Materials Species and Study Areamentioning

confidence: 99%

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Evaluating Movement Patterns and Microhabitat Selection of the Japanese Common Toad (Bufo japonicus formosus) Using Fluorescent Powder Tracking

Okamiya

Kusano

2018

Zoological Science

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“…For example, newts may be less disturbed by torchlight when there is a natural source of bright light. However, several species of amphibian have been observed to synchronise breeding behaviour in response to the lunar cycle (Vignolli & Luiselli, 2013;Vignoli et al, 2014;Kusano et al, 2015). Great crested newt activity is reported to increase around the new moon of the lunar cycle, linked to geomagnetism and higher gravitational pull (Grant et al, 2009).…”

Section: Abiotic Criteria For Great Crested Newt Survey In Scotlandmentioning

confidence: 99%

Assessment of habitat and survey criteria for the great crested newt (Triturus cristatus) in Scotland: a case study on a translocated population

2018

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The great crested newt Triturus cristatus has declined across its range due to habitat loss, motivating research into biotic and abiotic species determinants. However, research has focused on populations in England and mainland Europe. We examined habitat and survey criteria for great crested newts in Scotland, with focus on a large, translocated population. Adult counts throughout the breeding season were obtained annually using torchlight surveys, and Habitat Suitability Index (HSI) assessed at created ponds (N = 24) in 2006 (immediately posttranslocation) and 2015 (9 years post-translocation). In 2006, 'best case' HSI scores were calculated to predict habitat suitability should great crested newts have unrestricted access to terrestrial habitat. Abiotic criteria included in and omitted from current great crested newt survey guidelines were assessed using data recorded in 2015. Some ponds had improved HSI scores in 2015, but overall failure to meet predicted scores suggests management is needed to improve habitat suitability. Great crested newt activity was positively associated with moon visibility and phase, air temperature, and pH, but negatively correlated with water clarity. Importantly, our results indicate there are abiotic determinants specific to Scottish great crested newts. Principally, survey temperature thresholds should be lowered to enable accurate census of Scottish populations.

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“…Cavalcanti, and G.J. Cohen for helping with fieldwork, C. Jared for providing the facilities for previous tagging tests, Silverstone, 1975; (8) La Marca, 1994; (9) Myers and Daly, 1976; (10) Myers, 1982; (11) Lynch, 1970; (12) Wright and Wright, 1933; (13) Pavan et al, 2001; (14) Inger, 1947; (15) Martof, 1956; (16) (Church, 1960; Ferguson, 1960;Kusano et al, 2015) are examples of environmental factors that influence amphibian's breeding activity, acting differently among anuran species (Salvador and Carrascal, 1990). However, the influence of environmental factors on amphibian movements is far from being clarified.…”

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confidence: 99%

Ecologia do movimento da rã-manteiga (Leptodactylus latrans) e da rã-touro (Lithobates catesbeianus)

Henrique¹

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oportunidade do conhecimento e crescimento acadêmico através da realização deste trabalho. Agradeço a Fundação de Amparo à Pesquisa do Estrado de São Paulo(FAPESP) e ao Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq) por financiar os equipamentos e saídas à campo (Processo FAPESP 2012-10000-5) e pela bolsa de estudo de pós-graduação (Processo CNPq 134324/2015-5) Agradeço ao meu orientador, Prof. Dr. Taran Grant, pela orientação e pela oportunidade e confiança na execução do projeto de mestrado do qual este trabalho foi resultado.Agradeço a Dra. Camila Both, pelos comentários e ajuda na elaboração do meu projeto de mestrado e durante o planejamento e execução das atividades com radiotelemetria de rã-touro. Agradeço também a Ma. Camila Ineu Medeiros por proporcionar minhas primeiras experiências práticas com a biologia da invasão da rã-touro, em seus experimentos em campo em que pude participar.Agradeço a todos os queridos amigos do Laboratório de Anfíbios do IB-USP por toda a ajuda, conversas, discussões e momentos de distração que permearam nossas convivências durante o período em que estive no laboratório. Agradeço em especial ao Gabriel Jorgewich Cohen por toda a ajuda nos diversos campos, por todos os dias e noites que nos encharcamos em brejos e poças, por toda rã-touro que nos escapou pelos dedos e por toda a ajuda e risada em momentos de frustação. Agradeço também as amizades que construí no Departamento de Zoologia do IB-USP, no Museu de Zoologia da USP e na organização dos Cursos de Verão emZoologia, que durante a execução deste trabalho me ajudaram em diversas situações.Agradeço a minha família e aos meus amigos que, mesmo não compreendendo muito bem a vida acadêmica, me apoiaram e respeitaram as minhas escolhas.Agradecimentos específicos encontram-se no final de cada capítulo. INTRODUÇÃO GERALO movimento dos animais desempenha papel importante na aptidão dos indivíduos, no fluxo gênico, na dinâmica de metapopulações e na persistência, a longo prazo, de espécies em um ambiente Pittman et al., 2014).As diferentes estratégias de vida das espécies refletem-se em diferentes padrões de movimentos que exigem diferentes requerimentos ecológicos (Duellman & Trueb, 1994). Para a maioria das espécies, esses movimentos são fundamentais para forragear, reproduzir, evitar condições ambientais severas, e evitar ou escapar de predadores (Zug et al., 2001).A maioria dos anfíbios é conhecida por se mover relativamente pouco durante toda a vida quando comparados com outros vertebrados (Zug et al., 2001). Da eclosão do ovo à morte, um anfíbio muda seu padrão de movimento em resposta a diferentes requerimentos ecológicos. Indivíduos recém metamorfoseados de espécies que se reproduzem em poças, por exemplo, emigram de suas poças natal para se instalarem em suas áreas de vida individuais.A área de vida de um indivíduo pode ser definida como um mapa cognitivo estabelecido pela relação entre o meio ambiente e a percepção do mesmo pelo animal. Essa relação constrói uma área na memória do animal dos luga...

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Factors Affecting the Breeding Activity of the Japanese Common Toad,Bufo japonicus formosus(Amphibia: Bufonidae) with Special Reference to the Lunar Cycle

Cited by 16 publications

References 22 publications

Evaluating Movement Patterns and Microhabitat Selection of the Japanese Common Toad (Bufo japonicus formosus) Using Fluorescent Powder Tracking

Evaluating Movement Patterns and Microhabitat Selection of the Japanese Common Toad (Bufo japonicus formosus) Using Fluorescent Powder Tracking

Assessment of habitat and survey criteria for the great crested newt (Triturus cristatus) in Scotland: a case study on a translocated population

Ecologia do movimento da rã-manteiga (Leptodactylus latrans) e da rã-touro (Lithobates catesbeianus)

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