Suitable oasis scale in a typical continental river basin in an arid region of China: A case study of the Manas River Basin

Ling, Hongbo; Xu, Hongbo; Fu, Jun‐Heng; Fan, Zili; Xu, Xinwen

doi:10.1016/j.quaint.2012.07.027

Cited by 73 publications

(48 citation statements)

References 31 publications

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“…15 The understanding of the oasis evolution process could provide corresponding theories for oasis exploitation [Xie et al, 2014;Xie et al, 2015]. Currently, research related to oasis evolution has mainly focused on four aspects: analysis ofland use patterns and their driving factors in oasis regions [Guo et al, 2008;Bai et al, 2014;Wang et al,2014;Song and Zhang, 2015], discussion ofthe relationship between oasis evolutionand water resources [Siebert et al, 20 2007;Liu et al, 2010], assessment of the ecological effects of oasis evolution [Su et al, 2007;Zhang et al, 2014], and determination on the suitable oasis scale [Ling et al, 2013; 2016]. These studies mainly concentrated on agricultural oases since these represent the typical landscape surrounding oases.…”

Section: The Importance Of Oasification Researchmentioning

confidence: 99%

Should oasification be ignored when examining desertification in Northwest China?

GUI

Xue

Liu

et al. 2017

Preprint

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Abstract. There has been substantial expansion of oases in the Northwest of China in recent decades; however, research has largely focused on desertification rather than oasification and its associated mechanisms. Based on the description of desertification in arid regions and other regions, and analysis of oasification in arid or hyper-arid areas, we firstly elucidate the theoretical relationship between oasification and desertification. We then examine the current 5 understanding in oasification research, and propose that this will enhance our understanding of desertification through the integration of studies of oasification. Finally, we suggest three potential topics for future oasification research. We also propose a simple conceptual model for the identification of an appropriate oasis size under different land uses, including the crucial assessment of associated uncertainties. Based on the analysis of oasification research from an 10 epistemological and methodological perspective, we suggest that oasification should have equal research status to desertification in arid regions.

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Section: The Importance Of Oasification Researchmentioning

confidence: 99%

Should oasification be ignored when examining desertification in Northwest China?

GUI

Xue

Liu

et al. 2017

Preprint

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“…An oasis is a unique intrazonal landscapes existing within arid and semi-arid regions, which allows flourishing vegetation and human settlement due to a stable water supply (Ling et al, 2013). Although an oasis covers less than 5% of the total area in arid and semi-arid regions in China, it holds more than 90% of the population and 95% of social wealth in these regions ).…”

Section: Introductionmentioning

confidence: 99%

“…However, the scale of an agricultural oasis is not necessarily ''the larger the better" (Ling et al, 2013). Water is a vital limiting factor for sustainable crop production and social development in arid and semi-arid regions (Jia et al, 2004).…”

Section: Introductionmentioning

confidence: 99%

“…Currently, research related to oasis change has focused on four aspects: analyzing the land use patterns in oasis agricultural region Guo et al, 2008;Hu and Li, 2014;Wang et al, 2014), discerning the relationship between agricultural oasis change and water resources (Misak et al, 1997;Siebert et al, 2007), assessing the ecological effects of agricultural oasis changes (Su et al, 2007;Zhang et al, 2014), and discussing the suitable scale of an agricultural oasis (Ling et al, 2013). Although great efforts have been made in the field of oasis change, less attention has been paid to identify the factors driving oasis change.…”

Section: Introductionmentioning

confidence: 99%

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Expansion of agricultural oasis in the Heihe River Basin of China: Patterns, reasons and policy implications

Song

Zhang

2015

Physics and Chemistry of the Earth, Parts A/B/C

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a b s t r a c tThe Heihe River Basin (HRB) is the second largest inland river basin in the arid region of northwestern China. An agricultural oasis is a typical landscape in arid regions providing precious fertile soil, living space and ecological services. The agricultural oasis change has been one of the key issues in sustainable development in recent decades. In this paper, we examined the changes in the agricultural oasis in HRB and analyzed the socio-economic and climatic driving forces behind them. It was found that the agricultural oasis in HRB expanded by 25.11% and 14.82% during the periods of 1986-2000 and 2000-2011, respectively. Most of the newly added agricultural oases in HRB were converted from grassland (40.94%) and unused land (40.22%). The expansion in the agricultural oasis mainly occurred in the middle reaches of HRB, particularly in the counties of Shandan, Minle, Jinta and Jiuquan city. Changes in the rural labor force, annual temperature and precipitation have significant positive effects on agricultural oasis changes, while the ratio of irrigated agricultural oases has significant negative effects on agricultural oasis changes. The agricultural oasis expansion in HRB is the combined effect of human activity and climate change.

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“…Xinjiang, Northwest China, as one of the world's largest arid areas, is characterized by considerably fragile water resources and associated ecological and environmental challenges [5]. Its landscape is a typical mountain-oasis-desert ecosystem, and its oases are situated between the mountainous areas and among the desert plains; these oases are essential for human settlement, preventing desertification, and supporting vegetable cultivation [6,7], hence requiring a stable water supply. In recent years, however, the increase in water demand has been attributed to anthropogenic activities such as agricultural irrigation of artificial oasis areas in the lower reaches of the river basin, thereby increasing the competition for water resources between artificial and natural oasis ecosystems.…”

Section: Introductionmentioning

confidence: 99%

Quantification of Environmental Flow Requirements to Support Ecosystem Services of Oasis Areas: A Case Study in Tarim Basin, Northwest China

Xue

GUI

Zhao

et al. 2015

Water

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Abstract:Recently, a wide range of quantitative research on the identification of environmental flow requirements (EFRs) has been conducted. However, little focus is given to EFRs to maintain multiple ecosystem services in oasis areas. The present study quantifies the EFRs in oasis areas of Tarim Basin, Xinjiang, Northwest China on the basis of three ecosystem services: (1) maintenance of riverine ecosystem health, (2) assurance of the stability of oasis-desert ecotone and riparian (Tugai) forests, and (3) , respectively, which account for 58.75%, 48.36%, and 40.29% of the natural river runoff. The months between April and October are identified as the most important periods to maintain the EFRs. Moreover, the water requirement for groundwater restoration of the oasis-desert ecotone accounts for a large proportion, representing 48.27%, 42.32%, and 37.03% of the total EFRs at maximum, medium, and minimum levels, respectively. Therefore, to allocate the integrated EFRs, focus should be placed on the water demand of the desert vegetation's groundwater restoration, which is crucial for maintaining desert vegetation to prevent sandstorms and soil erosion. This work provides a reference to quantify the EFRs of oasis areas in arid regions.

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Suitable oasis scale in a typical continental river basin in an arid region of China: A case study of the Manas River Basin

Cited by 73 publications

References 31 publications

Should oasification be ignored when examining desertification in Northwest China?

Should oasification be ignored when examining desertification in Northwest China?

Expansion of agricultural oasis in the Heihe River Basin of China: Patterns, reasons and policy implications

Quantification of Environmental Flow Requirements to Support Ecosystem Services of Oasis Areas: A Case Study in Tarim Basin, Northwest China

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