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Sustainability 2015, 7(12), 15857-15870;

Quantitative Assessment of the Human Appropriation of Net Primary Production (HANPP) in the Coastal Areas of Jiangsu, China

1,3,* and 1,4
School of Geographic and Oceanographic Sciences, Nanjing University, Nanjing 210023, China
Jinling College, Nanjing University, Nanjing 210089, China
The Key Laboratory of the Coastal Zone Exploitation and Protection, Ministry of Land and Resources, Nanjing 210023, China
National Engineering Research Center of Water Resources Efficient Utilization and Engineering Safety, Nanjing 210098, China
Author to whom correspondence should be addressed.
Academic Editor: Vincenzo Torretta
Received: 26 August 2015 / Revised: 24 November 2015 / Accepted: 24 November 2015 / Published: 30 November 2015
(This article belongs to the Section Sustainable Use of the Environment and Resources)
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Global increases in population and consumption have raised concerns regarding the sustainability of the current and future use of natural resources. The human appropriation of net primary production (HANPP) provides a useful measure for determining human-derived alterations in the amount of biomass that is available in ecosystems each year. HANPP was calculated based on vegetation modelling, agricultural statistics, and remote sensing data on land use and land cover to assess the human impacts on ecosystems in the coastal areas of Jiangsu, China. The results showed that HANPP increased from 332 g·C/m2/year in 2000 to 442 g·C/m2/year in 2010, with an average annual increase of 2.9%. The proportion of appropriated net primary production increased from 50.3% to 71.0% of NPPpot, mainly driven by HANPPharv (harvested NPP) with an increase from 45.2% to 61.3% of NPPpot. Additionally, the spatial variation in average HANPP was striking among counties in the observed period with the lowest and highest values of 21.8% and 63.8% of NPPpot, respectively. Further analysis showed that observed levels of HANPP are high due to a high level of biomass harvest from cropland and the increases in fertilizer use, farmland irrigation rate and population and economic growth explain the trends in HANPP in the coastal areas of Jiangsu. View Full-Text
Keywords: HANPP; NPP; spatial-temporal patterns; factors; coastal areas of Jiangsu HANPP; NPP; spatial-temporal patterns; factors; coastal areas of Jiangsu

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Zhang, F.; Pu, L.; Huang, Q. Quantitative Assessment of the Human Appropriation of Net Primary Production (HANPP) in the Coastal Areas of Jiangsu, China. Sustainability 2015, 7, 15857-15870.

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