Microhabitat use by<i>Hyla japonica</i>and<i>Pelophylax porosa brevipoda</i>at Levees in Rice Paddy Areas of Japan

Naito, Risa; Sakai, Masaru; Natuhara, Yosihiro; Morimoto, Yukihiro; Shibata, Shozo

doi:10.2108/zsj.30.386

Cited by 20 publications

(16 citation statements)

References 21 publications

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“…For instance, flooding of rice paddies during the fallow phase did not alter amphibian richness in Brazil 7 , but it did in California 32 , 37 . Asia, with the largest rice plantations in the world, sees the same association between rice cultivation and anuran biomass 16 , 20 , 38 , although the amphibian biomass and species richness in the same areas before agricultural development is largely unknown. However, for documented cases such as Rana japonica and R. porosa in Japan, the population sizes of these species are negatively affected by modern farming practices, in comparison to traditional farming 18 .…”

Section: Introductionmentioning

confidence: 99%

Relationship between agro-environmental variables and breeding Hylids in rice paddies

Borzée

Heo

Jang

2018

Sci Rep

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When natural wetlands are destroyed, many anuran species are forced to breed in alternative habitats such as rice paddies. We conducted field surveys for the endangered Dryophytes suweonensis and the numerous D. japonicus, from the beginning of the breeding season until two weeks after its peak. We recorded the presence, number of individuals and calling indices for each species. We hypothesized that D. japonicus would start breeding earlier than D. suweonensis, which would have originally been breeding solely in floodplains. The results of our analyses demonstrate that the rice cultivation phase was the most important factor in predicting the calling activities of both species. Furthermore, peak calling activities of both species matched the optimal hydroperiod in rice paddies. In addition, D. japonicus breeding behaviour was influenced by environmental variables such as temperature, whereas D. suweonensis seemed to require the planting of rice seedlings to initiate breeding. Therefore, as both Dryophytes species’ breeding activities are influenced by agro-environmental variables, this study highlights the importance of also preserving anthropogenically modified landscapes for the conservation of species.

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Section: Introductionmentioning

confidence: 99%

Relationship between agro-environmental variables and breeding Hylids in rice paddies

Borzée

Heo

Jang

2018

Sci Rep

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“…In many cases, their highly variable physical and chemical conditions lead to the establishment of flexible, opportunistic, and generalist species assemblages. However, when the intensity of management is reduced, bunds may provide a refuge for species vulnerable to disturbance and habitat simplification (Longoni et al, 2011;Naito et al, 2013).…”

Section: Resultsmentioning

confidence: 99%

“…or a belt of bare soil. For all we know, even if evidences exist on the essential role that vegetated bunds could have in the maintenance of a functioning rice ecosystem (Longoni et al, 2011;Naito et al, 2013), no studies were specifically focused on the effect of human disturbance, such as mowing, herbicide application, or chemicals drifting from adjacent fields, on bank's fauna.…”

Section: Introductionmentioning

confidence: 99%

Effects of grass management intensity on ground beetle assemblages in rice field banks

Cardarelli

Bogliani

2014

Agriculture, Ecosystems & Environment

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“…The only conservation project to reintroduce the species was unsuccessful (Borzée et al, 2018c) and despite plans for ex-situ breeding facilities having been drafted (Noh, 2017), conservation of populations in the wild would simplify the protection of the species (Snyder et al, 1996). Additionally, the species and other anuran species can adequately take advantage of the artificial flooding of rice paddies for agricultural purposes (Fujioka and Lane, 1997;Machado and Maltchik, 2010;Naito et al, 2013;Holzer, 2014;Orchard et al, 2019).…”

Section: Introductionmentioning

confidence: 99%

Policy Recommendation for the Conservation of the Suweon Treefrog (Dryophytes suweonensis) in the Republic of Korea

Borzée

Jang

2019

Front. Environ. Sci.

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The Suweon treefrog (Dryophytes suweonensis) is an endangered species with an important evolutionary significance. However, the current rate of decline projects the extinction of the species within a few decades in the Republic of Korea. The species is presently exclusively inhabiting rice paddies and is not present in any protected area, although it would be relatively easy to designate protected area under the RAMSAR convention and correct the current negative population dynamics. Through three policy recommendations, we present the points of importance for the conservation of the Suweon Treefrog, list the site of importance for its conservation, and introduce an agricultural model allowing for the conservation of the species as well as continued rice production and economic income. Actionable recommendations:-Establishment of protected areas within the range of D. suweonensis-Pesticide and herbicide ban in rice-paddy complexes where D. suweonensis occurs-Vegetation mowing limit for surroundings of rice paddies where D. suweonensis occurs.

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Microhabitat use byHyla japonicaandPelophylax porosa brevipodaat Levees in Rice Paddy Areas of Japan

Cited by 20 publications

References 21 publications

Relationship between agro-environmental variables and breeding Hylids in rice paddies

Relationship between agro-environmental variables and breeding Hylids in rice paddies

Effects of grass management intensity on ground beetle assemblages in rice field banks

Policy Recommendation for the Conservation of the Suweon Treefrog (Dryophytes suweonensis) in the Republic of Korea

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