Land-use change and irrigation systems in the agricultural landscape of terraced paddy fields in Awaji Island, central Japan

Ichinose, Toshikatsu; Asmiwyati, I Gusti Agung Ayu Rai; Kataoka, Miwa; Arifin, Nurhayati Hadi Susilo

doi:10.1007/s11355-007-0025-0

Cited by 13 publications

(8 citation statements)

References 10 publications

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“…Paddy fields not only produce rice but fish, frogs, insects, and weeds, all products used by people (Halwart 2006). Paddy fields also offer cultural landscapes (Fukamachi et al 2005;Ichinose et al 2007).…”

Section: Introductionmentioning

confidence: 99%

Uses of trees in paddy fields in Champasak Province, southern Lao PDR

et al. 2011

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The species and uses of trees located in paddy fields were investigated in three villages in Champasak Province, Lao PDR. The villages were different in their distance from Pakse City, the capital of the province, and age since foundation. A total of 71 species were recorded, and most were used by local people. The most frequent use was for fruit, firewood, and medicine, though most trees also offered shade for cattle and people. Species composition differed among villages. The youngest paddy supported more trees, remnants of the original forest, for timber. Older paddies supported fewer trees for timber but more for fruit and firewood. The introduced species increased according to the age of the paddy. Products other than timber obtained from the trees were common among villages. The significance of trees in rice cultivation in Laos was compared with that in the Satoyama landscape of Japan.

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Section: Introductionmentioning

confidence: 99%

Uses of trees in paddy fields in Champasak Province, southern Lao PDR

et al. 2011

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“…Traditional rural landscapes in Japan are referred to as 'satoyama,' where a mosaic of forests, semi-natural grasslands, agricultural fields, irrigation channels, ponds and settlements are managed as an integral part of socio-ecological systems (see [9,11,12] for images of satoyama landscapes). In these landscapes, farmland abandonment has become a major challenge owing to an aging population, migration to urban areas, a shortage of farm labor, and a set-aside program for rice production [39,40]. Abandoned fields occupy approximately 10% of the total farmland area [41], and the trend towards abandonment is expected to continue [39].…”

Section: Agricultural Areas In Japanmentioning

confidence: 99%

“…In these landscapes, farmland abandonment has become a major challenge owing to an aging population, migration to urban areas, a shortage of farm labor, and a set-aside program for rice production [39,40]. Abandoned fields occupy approximately 10% of the total farmland area [41], and the trend towards abandonment is expected to continue [39]. Japan is thus suited to study how spatial patterns of multiple agricultural ecosystem services and farmland biodiversity are related to the distribution of abandoned fields.…”

Section: Agricultural Areas In Japanmentioning

confidence: 99%

Hotspots of Agricultural Ecosystem Services and Farmland Biodiversity Overlap with Areas at Risk of Land Abandonment in Japan

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Ichinose

et al. 2021

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Agriculture provides a wide range of ecosystem services and has the potential to contribute to biodiversity conservation. In Japan, many of the resources associated with agroecosystems are threatened by farmland abandonment. Identifying where and to what extent agricultural ecosystem services and farmland biodiversity are affected by farmland abandonment is essential for developing effective strategies to counter the potential loss of these services and the biological communities that support them. Our study aimed to examine how a set of indicators for ecosystem services and biodiversity linked to agroecosystems (proportions of land dedicated to rice production and other agricultural production, proportion of agricultural land on slopes potentially providing landscape aesthetics, proportion of villages promoting rural tourism, and densities of forest edges and irrigation ponds in agricultural land) are distributed at the municipal level across the Japanese Archipelago, and to analyze their spatial patterns in relation to the distribution of farmland abandonment. It was hypothesized that hotspots of agricultural ecosystem services and farmland biodiversity occur in areas at risk of farmland abandonment owing to shared drivers. The cluster analysis identified four distinct ecosystem service bundle types, two of them representing areas specializing in agricultural production, while the other two provided high levels of cultural services and habitats for diverse biological communities. The latter two bundles were located in hilly and mountainous areas and accounted for 58% of rice production, 27% of other agricultural production, 77% of landscape aesthetics, 77% of rural tourism, 64% of forest edges, and 87% of irrigation ponds in Japan. In support of the hypothesis, farmland abandonment was pronounced in these areas, with 64% of recently abandoned fields located where 44% of agricultural land was found. This spatial overlap suggests that substantial losses of ecosystem services and biodiversity may occur if current patterns of farmland abandonment continue. In order to prevent large-scale losses of agricultural ecosystem services and farmland biodiversity, measures to counteract the ongoing abandonment trends should prioritize hilly and mountainous areas, and future studies should further evaluate the multiple functions of agricultural areas to improve policies that aim to ensure sustainable development of rural areas in Japan.

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“…Around the 1960s, Japan has experienced rapid economic growth with the revolutions of fuel, fertilizer, transportation, housing, and agriculture technologies, which in turn caused either the abandonment or intensification of all kinds of traditional land use types [39,69,70]. The abandonment of grassland, shifting cultivating land, charcoal forest land, crop land, and rice terraced fields less favoured by farmers, eventually led to the loss of various types of habitats and then threatened many species [17], including the extinction of many common species in traditional Satoyama landscape, such as herbs [70], butterflies [71,72], dragonflies [73], Genji-firefly [74,75], birds [35,76], ground beetles [53], etc.…”

Section: Habitats Loss Caused By Changes Of Society and Economymentioning

confidence: 99%

Crises of Biodiversity and Ecosystem Services in Satoyama Landscape of Japan: A Review on the Role of Management

et al. 2019

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Satoyama is a Japanese term used to describe the traditional rural landscape in Japan. It has changed continuously from overuse to underuse stages under the development of economy and society, which caused the loss of both biodiversity and ecosystem services. In this paper, we summarized the interactions of biodiversity and ecosystem services affected by human management in Satoyama landscape. The results indicate: (1) the concepts of Satoyama forests and Satoyama landscape varied with researchers and their objectives. The most popular one is a mosaic landscape consisting of Satoyama (secondary) forests, rice paddies, grassland, ponds, irrigating systems, and rural settlements; (2) traditional management regimes on Satoyama landscape were the disturbing mechanisms to provide multiple ecosystem services, as well as a series of semi-natural habitats for species; (3) due to significant progress in economy and technology in Japan, the aging problems of farmers, industrialized agriculture, the import of ecosystem services and goods from international markets, and global climate changes eventually caused the simplification of crop plants, the invasion of alien species, the fragmentation of habitats, and the decreasing of ecosystem services;(4) future research should pay more attention to the complex mechanisms of biodiversity crises and ecosystem services at the landscape scale, considering pattern-process relationships.

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Land-use change and irrigation systems in the agricultural landscape of terraced paddy fields in Awaji Island, central Japan

Cited by 13 publications

References 10 publications

Uses of trees in paddy fields in Champasak Province, southern Lao PDR

Uses of trees in paddy fields in Champasak Province, southern Lao PDR

Hotspots of Agricultural Ecosystem Services and Farmland Biodiversity Overlap with Areas at Risk of Land Abandonment in Japan

Crises of Biodiversity and Ecosystem Services in Satoyama Landscape of Japan: A Review on the Role of Management

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