| 1. | The influence of human activities on river runoff rises notably 无定河流域河川径流的人类活动影响程度在显著上升。 |
| 2. | Lake sediments record sensitivity of two hydrologically closed upland lakes in mexico to human impact 墨西哥两个水文封闭型高原湖泊沉积物记录到受人类活动影响的敏感度 |
| 3. | Up to now , a natural wetland pattern has been changed to a human dominated land use pattern by human beings 湿地景观变化与土地利用覆盖变化紧密相关,与人类活动影响息息相联。 |
| 4. | Study on the relationship between the pedogenetic environment changes and human impact in the holocene soil of the loess plateau in the upper reaches of jinghe 泾河上游黄土高原全新世成壤环境演变与人类活动影响 |
| 5. | As human society being rapidly urbanized , the future of most landscapes is increasingly being determined by human activities 摘要城市景观是深受人类活动影响的景观类型,同时城市生态系统也深深地刻上了人类影响的烙印。 |
| 6. | Based on the introduction of approximate entropy and human activity effect e , runoff series complexity of the yellow river was analyzed 摘要在引入近似熵并给出人类活动影响程度e的基础上,对黄河径流序列的复杂性进行了分析。 |
| 7. | The key issues are as follows : in the northwest arid area of china , what are the evolution rules of water resources which are affected by the nature change and human activity 核心的方面是:自然变化和人类活动影响的西北干旱地区水资源演变规律是什么? |
| 8. | In this paper , dynamic , sustainable production , sensitivity to human activities , integration and complexity in measurement are regarded as the properties of the marine ecological asset value 本文认为,海洋生态资产价值具有动态性、持续产出性、人类活动影响的敏感性、整体性、难以计量性等特点。 |
| 9. | The results indicate that about 70 % of the rivers are of sub - illness or illness , and only 45 % of them are healthy , which mean that these river ecosystems have seriously degraded 结果表明,深圳河流有70 %以上河段处于亚病态和病态状态,仅有45 %的河段达到健康水平,说明受到人类活动影响严重,河流生态系统严重退化。 |