Impacts of ecological restoration projects on the ecosystem carbon storage of inland river basin in arid area, China

Zhou, Junju; Zhao, Yaru; Huang, Peng; Zhao, Xi; Feng, Wei; Li, Qiaoqiao; Xue, Dongxiang; Dou, Jiao; Shi, Wei; Wei, Wei; Zhu, Guannan; Liu, Chunfang

doi:10.1016/j.ecolind.2020.106803

Cited by 71 publications

(45 citation statements)

References 44 publications

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“…Figure 1 shows the distribution of six observation systems: river source region, oasis region, reservoir channel system region, oasis farmland region, ecological engineering construction region, and salinization process region. Based on the isotope data, we have carried out the following studies: studied the evaporation and the water vapor cycle in the Shiyang River Basin (Zhu et al, 2018), analyzed the runoff source and material transport in the runoff producing area of the arid area (Zhou et al, 2020;Ma et al, 2019), so as to clarify the sources of atmospheric and surface water; analyzed the influence of reservoir on the water cycle and studied the influence of ecological water transfer project on the water cycle (Zhu et al, 2021a), so as to clarify the influence of reservoir and ecological water transfer on the hydrological process, and quantify the influence of climate change and human activities on hydrology and water resources of the basin.…”

Section: Observation Network Designmentioning

confidence: 99%

Stable water isotope monitoring network of different water bodies in Shiyang River Basin, a typical arid river in China

Zhu

Liu

Shi

et al. 2022

Preprint

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Abstract. Ecosystems in arid areas are fragile and are easily disturbed by various natural and human factors. The purpose of this study is to clarify the hydrological and ecological processes of arid inland river basins in Eurasia and provide a scientific basis for their sustainable development. From 2015 to 2020, we took the Shiyang River Basin, which has the highest utilization rate of water resources and the most prominent contradiction of water use, as a typical demonstration basin to establish and improve the isotope hydrology observation system. The data in the observation system are classified by water type (precipitation, river water, lake water, groundwater, soil water, and plant water). Six observation systems with stable isotopes as the main observation elements, including river source region, oasis region, reservoir channel system region, oasis farmland region, ecological engineering construction region, and salinization process region, have been built, and meteorological and hydrological data have also been collected. We will gradually improve the various observation systems, increase the data of observation sites, and update the data set yearly. We can use these data to carry out hydrometeorological and ecological scientific research and provide a scientific basis for water resources utilization and ecological environment restoration in arid areas. The datasets are available at https://data.mendeley.com/datasets/d5kzm92nn3/1 (Zhu et al., 2021).

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Section: Observation Network Designmentioning

confidence: 99%

Stable water isotope monitoring network of different water bodies in Shiyang River Basin, a typical arid river in China

Zhu

Liu

Shi

et al. 2022

Preprint

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“…Rivers are supplied by precipitation from mountain and alpine ice and snow meltwater. The runoff area is about 1.10 × 104 km 2 , and the drought index is 1 to 4 (Zhou et al, 2020). The soil is classified as grey-brown desert soil, eolian sandy soil, saline soil, and meadow soil.…”

Section: Study Areamentioning

confidence: 99%

Isotopic differences in soil–plant–atmosphere continuum composition and control factors of different vegetation zones on the northern slope of the Qilian Mountains

et al. 2022

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Abstract. Understanding the differences and control factors of stable water isotopes in the soil–plant–atmosphere continuum (SPAC) of different vegetation zones is of great significance in revealing hydrological processes and regional water cycle mechanisms. From April 2018 to October 2019, we collected 1281 samples to investigated the stable water isotopes' changes in the SPAC of three different vegetation zones (alpine meadows, forests, and arid foothills) in the Shiyang River basin. The results show the following: (1) precipitation plays a major control role in the SPAC. From alpine meadows to arid foothills, the temperature effect of precipitation isotopes increases as altitude decreases. (2) From the alpine meadow to the arid foothills, soil water isotopes are gradually enriched. (3) Alpine meadow plants are mainly supplied by precipitation in the rainy season, and forest plants mainly utilize soil water in the dry season and precipitation in the rainy season. The soil water in the arid foothills is primarily recharged by groundwater, and the evaporation of plant isotopes is strong. (4) Temperature and altitude are potential factors that control the isotopic composition of the SPAC. This research will help in understanding of the SPAC system's water cycle at different altitudes and climates in high mountains.

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“…Studies are carried out on different processes, such as agricultural management pattern change [21,22], urbanization [23,24], and ecological restoration [25,26]. The research covers ecoengineering projects, such as agricultural land consolidation and the Grain for Green Project (GFGP), all of which are effective in improving some ESs, but which have exacerbated tradeoffs [18,[27][28][29][30][31]. However, in some areas, ecoengineering implementation can also enhance certain ESs without sacrificing others [32].…”

Section: Introductionmentioning

confidence: 99%

“…Therefore, ES assessment and relation analysis are widely used in land-use policy development and management practices [35][36][37]. Quantification and trade-off analysis of ESs are key techniques used before land-use planning, management, and decision making [27,29,31]. Ecosystem process models, combined with the remote sensing technique, provide the basis for quantitative spatial representation of ESs and can be used to study the effects of future land-use change on a series of ESs interrelationships [38][39][40].…”

Section: Introductionmentioning

confidence: 99%

Effects of Afforestation Projects on Tradeoffs between Ecosystem Services: A Case Study of the Guanting Reservoir Basin, China

Pan

Zuo

Zhang

et al. 2022

Forests

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Evaluating the responses of ecosystem services (ESs) to local land-use changes is critical for understanding the effects of ecological projects related to land planning. Change patterns in the interrelationships between ESs delivered by land-use changes, which are helpful for formulating future strategies, have not been well studied. In this study, we quantified four ESs, namely water yield (WY), water and soil conservation, nonpoint pollution control, and carbon sequestration services, based on the soil and water assessment tool model (SWAT) in the Zhangjiakou section of the Guanting Reservoir watershed, a region with a high concentration of afforestation projects. The impacts of land-use changes on changes in ESs and interrelationships of ESs were investigated by redundancy analysis. The results showed that, along with afforestation, regional water conservation and soil organic carbon content increased by 3.22% and 1.08%, respectively, whereas sediment output, WY, phosphorus output, and nitrogen output decreased by 1.82%, 3.07%, 8.08%, and 12.51%, respectively. Significant tradeoffs of regional ESs were observed between WY and other ESs, while synergies existed between other ESs. Increased areas of evergreen and deciduous forests helped in conserving water, fixing carbon, and regulating runoff. Evergreen forests tended to conserve more water than deciduous forests. With the increase in grassland area, most of the ESs can be improved while introducing fewer tradeoffs compared with those of most of other land-use types. This study provided a better understanding of the effects of afforestation on ESs tradeoffs and benefits to develop better ecological conservation strategies in afforestation regions.

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Impacts of ecological restoration projects on the ecosystem carbon storage of inland river basin in arid area, China

Cited by 71 publications

References 44 publications

Stable water isotope monitoring network of different water bodies in Shiyang River Basin, a typical arid river in China

Stable water isotope monitoring network of different water bodies in Shiyang River Basin, a typical arid river in China

Isotopic differences in soil–plant–atmosphere continuum composition and control factors of different vegetation zones on the northern slope of the Qilian Mountains

Effects of Afforestation Projects on Tradeoffs between Ecosystem Services: A Case Study of the Guanting Reservoir Basin, China

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