{"@context":{"@vocab":"https://cir.nii.ac.jp/schema/1.0/","rdfs":"http://www.w3.org/2000/01/rdf-schema#","dc":"http://purl.org/dc/elements/1.1/","dcterms":"http://purl.org/dc/terms/","foaf":"http://xmlns.com/foaf/0.1/","prism":"http://prismstandard.org/namespaces/basic/2.0/","cinii":"http://ci.nii.ac.jp/ns/1.0/","datacite":"https://schema.datacite.org/meta/kernel-4/","ndl":"http://ndl.go.jp/dcndl/terms/","jpcoar":"https://github.com/JPCOAR/schema/blob/master/2.0/"},"@id":"https://cir.nii.ac.jp/crid/1362262946022952960.json","@type":"Article","productIdentifier":[{"identifier":{"@type":"DOI","@value":"10.1016/j.biocon.2018.01.007"}},{"identifier":{"@type":"URI","@value":"https://api.elsevier.com/content/article/PII:S0006320717301477?httpAccept=text/xml"}},{"identifier":{"@type":"URI","@value":"https://api.elsevier.com/content/article/PII:S0006320717301477?httpAccept=text/plain"}}],"dc:title":[{"@value":"Hydrological effects of paddy improvement and abandonment on amphibian populations; long-term trends of the Japanese brown frog, Rana japonica"}],"description":[{"notation":[{"@value":"Abstract   In rice fields, the cultivation area itself can play an essential role as a habitat for wetland organisms. Many previous studies showed negative impact of agricultural intensification and abandonment on biodiversity in wet farmland ecosystems. However, verification of the direct impact of aquatic environmental change by the paddy improvement and abandonment still remains. Here, we investigated the effects of the intensification and abandonment on the area of wet fields remaining in paddies during the fallow season, as well as the factors driving the population decline of the Japanese brown frog (Rana japonica), using data of long-term monitoring numbers of egg masses at multiple sites. To quantitatively estimate the spatial and temporal variation in saturated areas with water in the paddies where the frogs spawn in early spring, we used infrared bands of Landsat images. Both paddy improvements and abandonment have affected R. japonica populations through the reduction of wet areas in the fields. Furthermore, the frog's population size was positively associated with the area of surrounding forest. Our findings suggest that conservation in wet farmland requires appropriate water management inside the cultivation area as well as in other landscape elements that serve as secondary habitats."}]}],"creator":[{"@id":"https://cir.nii.ac.jp/crid/1382262946022952960","@type":"Researcher","foaf:name":[{"@value":"Noriko Kidera"}]},{"@id":"https://cir.nii.ac.jp/crid/1382262946022952967","@type":"Researcher","foaf:name":[{"@value":"Taku Kadoya"}]},{"@id":"https://cir.nii.ac.jp/crid/1382262946022952964","@type":"Researcher","foaf:name":[{"@value":"Hiroya Yamano"}]},{"@id":"https://cir.nii.ac.jp/crid/1382262946022952961","@type":"Researcher","foaf:name":[{"@value":"Noriko Takamura"}]},{"@id":"https://cir.nii.ac.jp/crid/1382262946022952962","@type":"Researcher","foaf:name":[{"@value":"Daiichi Ogano"}]},{"@id":"https://cir.nii.ac.jp/crid/1382262946022952966","@type":"Researcher","foaf:name":[{"@value":"Takashi Wakabayashi"}]},{"@id":"https://cir.nii.ac.jp/crid/1382262946022952965","@type":"Researcher","foaf:name":[{"@value":"Masato Takezawa"}]},{"@id":"https://cir.nii.ac.jp/crid/1382262946022952963","@type":"Researcher","foaf:name":[{"@value":"Masami Hasegawa"}]}],"publication":{"publicationIdentifier":[{"@type":"PISSN","@value":"00063207"}],"prism:publicationName":[{"@value":"Biological Conservation"}],"dc:publisher":[{"@value":"Elsevier BV"}],"prism:publicationDate":"2018-03","prism:volume":"219","prism:startingPage":"96","prism:endingPage":"104"},"reviewed":"false","dc:rights":["https://www.elsevier.com/tdm/userlicense/1.0/"],"url":[{"@id":"https://api.elsevier.com/content/article/PII:S0006320717301477?httpAccept=text/xml"},{"@id":"https://api.elsevier.com/content/article/PII:S0006320717301477?httpAccept=text/plain"}],"createdAt":"2018-01-30","modifiedAt":"2019-11-28","relatedProduct":[{"@id":"https://cir.nii.ac.jp/crid/1360025023082595840","@type":"Article","relationType":["isReferencedBy"],"jpcoar:relatedTitle":[{"@value":"Morphological Alterations in Rana japonica Tadpoles Induced by Predation Risk From Hynobius setouchi Salamander Larvae"}]},{"@id":"https://cir.nii.ac.jp/crid/1360568466554955008","@type":"Article","resourceType":"学術雑誌論文(journal article)","relationType":["isReferencedBy"],"jpcoar:relatedTitle":[{"@value":"Spatial and temporal associations between fallow fields and Greater Painted Snipe density in Japanese rice paddy landscapes"}]},{"@id":"https://cir.nii.ac.jp/crid/1360861705589507968","@type":"Article","resourceType":"学術雑誌論文(journal article)","relationType":["isReferencedBy"],"jpcoar:relatedTitle":[{"@value":"Effects of Landscape Heterogeneity at Multiple Spatial Scales on Paddy field-breeding Frogs in a Large Alluvial Plain in Japan"}]},{"@id":"https://cir.nii.ac.jp/crid/1360861707124353920","@type":"Article","resourceType":"学術雑誌論文(journal article)","relationType":["isReferencedBy"],"jpcoar:relatedTitle":[{"@value":"Genotyping of two congeneric bitterling fish species by nuclear SNP markers and the detection of hybridization in a sympatric region"}]},{"@id":"https://cir.nii.ac.jp/crid/1361131415968077184","@type":"Article","resourceType":"学術雑誌論文(journal article)","relationType":["isReferencedBy"],"jpcoar:relatedTitle":[{"@value":"Land-cover changes and distribution of wetland species in small valley habitats that developed in a Late Pleistocene middle terrace region"}]},{"@id":"https://cir.nii.ac.jp/crid/1361975845284925184","@type":"Article","resourceType":"学術雑誌論文(journal article)","relationType":["isReferencedBy"],"jpcoar:relatedTitle":[{"@value":"Acoustic monitoring data of anuran species inside and outside the evacuation zone of the Fukushima Daiichi power plant accident"}]},{"@id":"https://cir.nii.ac.jp/crid/1390008089764659584","@type":"Article","resourceType":"学術雑誌論文(journal article)","relationType":["isReferencedBy"],"jpcoar:relatedTitle":[{"@language":"en","@value":"Rice ecosystem as a habitat of birds and its conservation"},{"@language":"ja","@value":"鳥類の生息地としての水田生態系とその保全"},{"@language":"ja-Kana","@value":"チョウルイ ノ セイソクチ ト シテ ノ スイデン セイタイケイ ト ソノ ホゼン"}]},{"@id":"https://cir.nii.ac.jp/crid/1390285300153229184","@type":"Article","relationType":["isReferencedBy"],"jpcoar:relatedTitle":[{"@language":"en","@value":"“SATOYAMA green-infrastructure”, a measure for climate change adaptation: potential for multipurpose usage of abandoned paddy on small valley bottoms in the Lake Inbanuma watershed, Chiba, Japan."},{"@language":"ja","@value":"「里山グリーンインフラ」による気候変動適応： 印旛沼流域における谷津の耕作放棄田の多面的活用の可能性"},{"@language":"ja-Kana","@value":"「 サトヤマ グリーンインフラ 」 ニ ヨル キコウ ヘンドウ テキオウ : インバヌマ リュウイキ ニ オケル ヤツ ノ コウサク ホウキデン ノ タメンテキ カツヨウ ノ カノウセイ"},{"@value":"“Satoyama green-infrastructure”, a measure for climate change adaptation: Potential for multipurpose usage of abandoned paddy on small valley bottoms in the Lake Inbanuma watershed."},{"@value":"‘SATOYAMA Green‐Infrastructure’, a Measure for Climate Change Adaptation: Potential for Multipurpose Usage of Abandoned Paddy on Small Valley Bottoms in the Lake Inbanuma Watershed, Chiba, Japan"}]},{"@id":"https://cir.nii.ac.jp/crid/1390291932662992640","@type":"Article","resourceType":"学術雑誌論文(journal article)","relationType":["isReferencedBy"],"jpcoar:relatedTitle":[{"@language":"en","@value":"Seasonal changes and community characteristic of aquatic insects and frogs in a fallow-field biotope in Toyooka city, Japan."},{"@language":"ja","@value":"豊岡市の水田ビオトープにおける水生昆虫とカエル類の季節消長と群集の特徴"},{"@language":"ja-Kana","@value":"トヨオカシ ノ スイデン ビオトープ ニ オケル スイセイ コンチュウ ト カエルルイ ノ キセツ ショウチョウ ト グンシュウ ノ トクチョウ"}]},{"@id":"https://cir.nii.ac.jp/crid/1390845702278427520","@type":"Article","resourceType":"学術雑誌論文(journal article)","relationType":["isReferencedBy"],"jpcoar:relatedTitle":[{"@language":"en","@value":"Comparison of frog communities between floodplain water bodies and paddy fields."},{"@language":"ja","@value":"河道内氾濫原と水田域におけるカエル類の生息状況の比較"},{"@language":"ja-Kana","@value":"カドウ ナイ ハンラン ゲン ト スイデンイキ ニ オケル カエルルイ ノ セイソク ジョウキョウ ノ ヒカク"}]},{"@id":"https://cir.nii.ac.jp/crid/1390852514697739008","@type":"Article","relationType":["isReferencedBy"],"jpcoar:relatedTitle":[{"@language":"en","@value":"Conservation of frog habitats for land consolidation projects in paddy field areas"},{"@language":"ja","@value":"水田域の圃場整備におけるカエル類の生息場の保全"},{"@language":"ja-Kana","@value":"スイデンイキ ノ ホジョウ セイビ ニ オケル カエルルイ ノ セイソクジョウ ノ 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