Chemical soil properties of reclaimed marsh soil from Zhejiang Province P.R. China

Iost, Susanne; Landgraf, Dirk; Makeschin, Franz

doi:10.1016/j.geoderma.2007.08.001

Cited by 74 publications

(49 citation statements)

References 25 publications

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“…The average 0-20 cm SOCP was 10.38 ± 2.50 Mg/ha and the STNP was 1.27 ± 0.38 Mg/ha, which is much lower than in freshwater wetlands, cropland, and forest (Akala and Lal 2001;Li and Shao 2014). However, previous studies have found that there is an accumulation of SOC as a result of farming activities in the coastal reclamation area (Iost et al 2007;Liu et al 2013). Crop straw and application of fertilizers can interactively increase SOC and STN stocks (Dalal et al 2011).…”

Section: Discussionmentioning

confidence: 91%

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Spatial and temporal variations of soil organic carbon and total nitrogen pools in the coastal reclamation area, eastern China

et al. 2015

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The spatial and temporal variation of soil organic carbon (SOC) and soil total nitrogen (STN) in a coastal reclamation area in eastern China were studied based on the ordinary kriging method. The 0-20 cm soil organic carbon pool (SOCP) and soil total nitrogen pool (STNP) ranged from 4.38 to 15.92 Mg/ha and from 0.24 to 2.37 Mg/ha, respectively, during the observed period. The results show there was a low level of spatial variation in both SOC and STN, which is to some extent the result of the same farmland management practiced in this region. The seasonal variation of SOC was attributed to plant growth and crop residue returning back to soil, while the spatial variation was mainly resulted from the fertilization practice. The average 0-20 cm SOCP and STNP were 10.38 ± 2.50 and 1.27 ± 0.38 Mg/ha, respectively, in the study region, both of which were much lower than in other ecosystems. Further analysis indicated that SOC was positively correlated with STN. This work revealed that the reclamation area from the tidal flat should be a potential sink for SOC and STN.

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Section: Discussionmentioning

confidence: 91%

“…. Compared with the soil after initial reclamation, the EC and pH in study area were lower (Iost et al 2007;Liu et al 2013) because the soil experiences desalinization and decalcification after the initial reclamation (Luise and Angela 2000;Portnoy 1999). The soil water content was lowest in winter.…”

Section: Discussionmentioning

confidence: 95%

Spatial and temporal variations of soil organic carbon and total nitrogen pools in the coastal reclamation area, eastern China

et al. 2015

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“…Pressured by urbanization, reclamation height in the study area went down to a deeper depth to increase space for living and development during the past decade. Shangyu Country of Zhejiang province has been realized artificially by dam construction, pumping suspended materials into the enclosed area and transporting drainage by artificial canals [49]. This means that the artificial siltation may also apply in the Zhoushan Islands for accelerated sediment accumulation after 2000.…”

Section: Plausible Causes For Rapid Seaward Movement During 2003-2011mentioning

confidence: 99%

Evaluation of Coastline Changes under Human Intervention Using Multi-Temporal High-Resolution Images: A Case Study of the Zhoushan Islands, China

et al. 2014

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Abstract:Continued sea-level rise and coastal development have led to considerable concerns on coastline changes along inhabited islands. Analysis of long-term coastline changes of islands is however limited due to unavailable data and the cost of field work. In this study, high-resolution images taken from 1970-2011 at an interval of about 10 years and topographic maps were collected to determine coastline changes and their drivers in the Zhoushan Islands, China. Results show that nearly all inhabited islands appeared to have noteworthy seaward expansion during the past four decades. Coastline change rates varied among islands, and the annual change rate of Zhoushan Island (the main island) reached 12.83 ± 0.17 m/year during the same period. Since 2003, the study area has been dominated by artificial coast. The proportion of harbor/port and urban/industrial coast has significantly increased, while rocky coasts and shelter-farm coasts have shrunk greatly. Preliminary analysis of drivers for these coastline changes across the Zhoushan Islands highlights the roles of human policies during different periods as well as location, which OPEN ACCESSRemote Sens. 2014, 6 9931 were the dominant factors controlling the great spatial and temporal complexity of coastline changes of the major islands. Sediment supply from the Yangtze River decreased after the completion of the Three Gorges Dam in 2003; however, the Zhoushan coast rapidly accreted seaward during the last decade and the artificial siltation, coastal engineering, and harbor dredging materials could be responsible for the observed coastline changes. Pressured by rapid development of the port industry, the Zhoushan coast may face unprecedented challenges in coastal use in the near future. This research provides the basic background information for future studies on coastal protection and management.

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“…Many studies have focused on the soil properties that have developed in reclaimed tidal wetlands (Portnoy and Giblin, 1997;Iost et al, 2007), but as far as we know non of them compared these properties among soils that have developed in the same estuary but under different flooding frequency. Factors such as the water table depth and frequency of flooding exert a strong influence on the soil properties that will develop after the reclamation process (Portnoy and Giblin, 1997).…”

Section: Introductionmentioning

confidence: 99%

Saltmarsh soil evolution after land reclamation in Atlantic estuaries (Bay of Biscay, North coast of Spain)

et al. 2010

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Chemical soil properties of reclaimed marsh soil from Zhejiang Province P.R. China

Cited by 74 publications

References 25 publications

Spatial and temporal variations of soil organic carbon and total nitrogen pools in the coastal reclamation area, eastern China

Spatial and temporal variations of soil organic carbon and total nitrogen pools in the coastal reclamation area, eastern China

Evaluation of Coastline Changes under Human Intervention Using Multi-Temporal High-Resolution Images: A Case Study of the Zhoushan Islands, China

Saltmarsh soil evolution after land reclamation in Atlantic estuaries (Bay of Biscay, North coast of Spain)

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