Barely Significant

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As the increases in estimates noted for township-level divisions in NHAR (2005–2018) are minimal (0.2 ppb annual average increase) and within the prediction error of the model (RMSE: 6.5 ppb) and historical validation (2014–2015) (RMSE: 4.9 ppb), there was no clear evidence of an increasing trend. 4.2.
Criterion for the Selection of Water Monitoring Points Functional to the Identification and Correct Perimeter of Nitrates Vulnerable Zones The water monitoring points were selected in which critical issues were found in the last four years of monitoring (2015–2019) based on the information now available to which the following criteria were applied: at least an excess of 50 mg/L in value in the last four years following an extremely precautionary approach; average in the last four years between 40–50 mg/L with an increasing trend; water monitoring points already in NVZs but for which there have been no samplings in the last four years; However, the points with the following criteria were not selected: average in the last four years between 40–50 mg/L with a stable to decreasing trend; average in the last four years between
As a large amount of cropland and forest land were occupied by the built-up land expansion, the ecosystem services value of cropland and forest land showed a decreasing trend during the study period, in which the loss of forest land was the largest (USD 1.00 billion), and the loss of cropland was the largest (2.96%).