Zhang Baolei, Zhang Qiaoyun, Feng Qingyu, Cui Bohao, Zhang Shumin
School of Geography and Environment, Shandong Normal University, 88 East Wenhua Rd, Jinan, Shangdong, 250014, China.
Agricultural and Biological Engineering, Purdue University, 225 S. University St, West Lafayette, IN, 47907-2093, USA.
Environ Monit Assess. 2017 Jul;189(7):331. doi: 10.1007/s10661-017-6038-8. Epub 2017 Jun 12.
This study aimed at assessing the stresses from land development in or around Yellow River Delta Nature Reserve (YRDNR) and identifying the impacted areas. Major land development types (reservoirs, pond, aquafarm, salt pan, road, residential land, industry land, farming land, and fishing land) in or around the YRDNR from 1995 to 2014 were identified using spatial data sets derived from remote sensing imageries. The spatial stresses were simulated by considering disturbance due to land development activities and accessibility of disturbance using a geographic information system based model. The stresses were then used to identify the impacted area by land development (IALD). The results indicated that main increasing land development types in the study area from 1995 to 2014 were salt pan and construction land. The 98.2% of expanded land development area and 93.7% of increased pump number showed a good control of reserve function zone on land development spread. The spatial stress values and percentages of IALD increased from 1995 to 2014, and IALD percentage exceeded 50% for both parts of YRDNR in 2014. The results of this study also provided the information that detailed planning of the YRDNR (2014-2020) could decrease the spatial stress and IALD percentage of the whole YRDNR on the condition that the area of land development activities increased by 24.4 km from 2014 to 2020. Effective measures should be taken to protect such areas from being further disturbed in order to achieve the goal of a more effective conservation of the YRDNR, and attention should be paid to the disordered land development activities in or around the natural reserves.
本研究旨在评估黄河三角洲自然保护区（YRDNR）内或周边土地开发带来的压力，并确定受影响区域。利用从遥感影像中获取的空间数据集，识别了1995年至2014年期间YRDNR内或周边的主要土地开发类型（水库、池塘、水产养殖场、盐田、道路、居住用地、工业用地、耕地和渔业用地）。通过基于地理信息系统的模型，考虑土地开发活动造成的干扰以及干扰的可达性，模拟了空间压力。然后利用这些压力来确定受土地开发影响的区域（IALD）。结果表明，1995年至2014年研究区域内主要增加的土地开发类型是盐田和建设用地。98.2%的扩展土地开发面积和93.7%的增加泵站数量表明保护区功能区对土地开发扩张有良好的控制作用。1995年至2014年，IALD的空间压力值和百分比增加，2014年YRDNR两部分的IALD百分比均超过50%。本研究结果还提供了以下信息：在2014年至2020年土地开发活动面积增加24.4平方公里的情况下，YRDNR（2014 - 2020年）的详细规划可以降低整个YRDNR的空间压力和IALD百分比。应采取有效措施保护这些区域免受进一步干扰，以实现更有效地保护YRDNR的目标，并且应关注自然保护区内或周边无序的土地开发活动。
