【摘要】 根据野外调查的实际,选取生态脆弱性、典型性、稀有性、多样性、面积适宜性、自然性、人类干扰7项指标对苏北山丘区的生态现状进行评价.通过评价指标的相应分级及其权重的确定,并采用综合评价指数对其生态环境现状进行分析,结果表明该区的生态质量较差.据此针对目前所面临的问题,提出了相应的建议.更多还原

【Abstract】 Present situation of ecological environment of north Jiangsu hilly regions is evaluated based on field survey, 7 indexes of naturalness, diversity, representativeness, rarity, eco logical fragility, suitability of area and threat of human interference. Present situation of ecological environment is evaluated through grading and weighting these criteria and composite evaluating index. It suggests that the ecological quality of north Jiangsu hilly regions is relatively poor. The corresponding proposals are put forward based on the problems faced at present.更多还原