Variation and prediction of different marsh landscapes in intertidal zone of the Yellow River Delta

Wanlong, 孙万龙 Sun; Zhigao, 孙志高 Sun; Liping, 田莉萍 Tian; Xingyun, 胡星云 Hu

doi:10.5846/stxb201607261524

Cited by 4 publications

(2 citation statements)

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“…In the formerly developed areas, the water table always appears to be underground; however, soil capillaries transport soluble minerals upward for deposition ( Sun et al, 2017 ; Moreno et al, 2018 ). In the 1990s, the locals were encouraged and subsided via policies to build terraces with the deposited soils ( Fang, Liu & Kearney, 2005 ; Luan, 2007 ; Ning et al, 2018 ).…”

Section: Introductionmentioning

confidence: 99%

Environmental changes in Yellow River Delta with terrace construction and agricultural cropping

Chu

Yang

2021

PeerJ

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Background Crude flats in delta areas are often saline–alkaline and unsuitable for agricultural cropping. In the 1990s, people residing in the Yellow River delta constructed terraces on the flats for agricultural development. Herein, we investigated environmental changes resulting from this agricultural development and evaluated whether the current land use is effective and sustainable. Methods We sampled soil and weeds from croplands, terrace slopes, and crude flats within the delta terrace landscape. The measured soil properties included soil salinity, pH, total N, total P, and organic matter in different lands and soil layers: 0–10, 10–20, and 20–30 cm. The surveyed weed characteristics were the biomass of roots and rhizomes, species composition, life form, cover and height. These indices were statistically verified by different land types and soil layers. Results Soil salinity in the terrace crop lands was found to have reduced to <4 g·kg−1, whereas in the crude flats, remained >6 g·kg−1. Soil pH in the terrace croplands was surprisingly increased to >9 ; meanwhile, organic matter content decreased drastically, which is significantly different from that observed in the case of terrace slopes and crude flats. Total N and P content in the terrace crop lands were seemingly unchanged on averages but at the depths >20 cm, they reduced unavoidably. Plant underground organs were relatively scarcer in the croplands than in the other lands. Weeds grew well on the terrace slopes but were insufficient in the croplands. Overall, terrace construction is effective for developing coastal saline flats for agricultural use, but the traditional land use in the Yellow River delta has caused chronic soil degradation that is against a sustainable productive industry.

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Section: Introductionmentioning

confidence: 99%

Environmental changes in Yellow River Delta with terrace construction and agricultural cropping

Chu

Yang

2021

PeerJ

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“…In the formerly developed areas, the water table always appears to be underground; however, soil capillaries transport soluble minerals upward for deposition (Sun et al, 2017;Moreno et al, 2018). In the 1990s, the locals were encouraged and subsided via policies to build terraces with the deposited soils (Fang et al, 2005;Luan, 2007;Ning et al, 2018).…”

Section: Introductionmentioning

confidence: 99%

Peer Review #1 of "Environmental changes in Yellow River Delta with terrace construction and agricultural cropping (v0.1)"

Zhai¹

2021

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Simulation of wetland distribution in the Yellow River Basin based on an improved Markov-FLUS model

Zhang,

Li,

Zhang

et al. 2024

Environ. Res. Lett.

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Wetlands, as a regulator of water cycle and balance, play a key role in preventing flood and drought disasters and protecting biodiversity. The Yellow River basin is an important ecological barrier and economic zone in our country. By predicting the distribution of wetland landscape and evaluating its evolutionary characteristics, strategies for wetland conservation and utilization in the Yellow River basin can be formulated. FLUS model can not only simulate the change of multiple land use types, but also reflect the uncertainty of real land use change. In this study, the model was improved and used to predict future wetland changes in the Yellow River basin. Using the wetland distribution data in 2000 as the initial data, and the wetland distribution data in 2015 as the validation data, setting the parameters according to the land use data of the Yellow River basin from 1980 to 2000 and the wetland type transfer matrix, after verifying the applicability of the model, the spatial distribution pattern of wetlands in the Yellow River basin in 2030 was simulated. This research shows that the cost matrix setting method based on the wetland transfer matrix can effectively avoid the errors caused by subjective judgment assignment. By 2030, the wetland distribution in the Yellow River basin will remain stable, with marshes, paddy fields, and beaches as the main types, similar to 2015. Of all the regions in the Yellow River basin, Zhengzhou had the highest rate of wetland loss, down 31.94%. On the contrary, Sanmenxia had the highest growth rate of 24.44%.

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Variation and prediction of different marsh landscapes in intertidal zone of the Yellow River Delta

Cited by 4 publications

References 0 publications

Environmental changes in Yellow River Delta with terrace construction and agricultural cropping

Environmental changes in Yellow River Delta with terrace construction and agricultural cropping

Peer Review #1 of "Environmental changes in Yellow River Delta with terrace construction and agricultural cropping (v0.1)"

Simulation of wetland distribution in the Yellow River Basin based on an improved Markov-FLUS model

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