2017
DOI: 10.3390/w9080620
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The Impact of Cropland Balance Policy on Ecosystem Service of Water Purification—A Case Study of Wuhan, China

Abstract: Urbanization has been responsible for the loss of cropland worldwide, especially in China. Since this trend is expected to continue in the near future, China has implemented the strictest cropland protection policies in the world, to guarantee its national food security. However, the negative impact of cropland protection policies on ecosystem services has always been ignored. In this paper, we used LANDSCAPE (Land System Cellular Automata model for Potential Effects) model to assess the ecological lands loss … Show more

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Cited by 20 publications
(11 citation statements)
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“…These areas provide the highest nitrogen and phosphorus load, but low maximum retention efficiency. This result is in agreement with [65], who applied the NDR model to calculate nutrient export under two different scenarios. They found that the cropland balance policy negatively impacted water purification by increasing nitrogen export, which was 8.36% higher than that in the no strict cropland protection scenario.…”
Section: Nutrient Export Estimation Of Predicted Lulc Under Scenario IIIsupporting
confidence: 92%
“…These areas provide the highest nitrogen and phosphorus load, but low maximum retention efficiency. This result is in agreement with [65], who applied the NDR model to calculate nutrient export under two different scenarios. They found that the cropland balance policy negatively impacted water purification by increasing nitrogen export, which was 8.36% higher than that in the no strict cropland protection scenario.…”
Section: Nutrient Export Estimation Of Predicted Lulc Under Scenario IIIsupporting
confidence: 92%
“…Consequently, ecological lands (referring to land use types that provide valuable ecosystem services such as forests, grasslands and water bodies) are indirectly occupied by cropland reclamation. The impact of ecological land loss during cropland reclamation has been revealed in terms of ecosystem services such as food production [18], carbon storage [19], habitat quality [20], water yield [21] and water purification [22]. It has even been argued that the indirect impact on ecosystem services from ecological land loss due to cropland reclamation can be higher than that caused directly by urban expansion.…”
Section: Introductionmentioning
confidence: 99%
“…However, these policies require developers to reclaim farmland area occupied by built-up land elsewhere [ 30 ]. Therefore, compensation for the loss of farmland due to built-up land expansion can lead to additional ecological land losses (e.g., of forestland, bare land, and grassland), which in turn hinders economic development [ 12 ]. This result was also supported by the annual rate of change for various land use types ( Table 5 ) and the landscape transformation of Wuhan city between 1980 and 2020 ( Figure 2 ).…”
Section: Discussionmentioning
confidence: 99%
“…Landscape change driven by urbanization is a major contributor to changes in the spatio-temporal dynamics of ecosystems and is a major factor driving ecosystem service losses [ 12 , 13 ]. The ecosystem service value (ESV) is the value of goods and services provided by ecosystems for human well-being, and is the main indicator for assessing ecosystem change.…”
Section: Introductionmentioning
confidence: 99%