| 1. | Characteristics of the vegetation resource in the middle and lower reaches of heihe river in china
我国黑河流域中下游地区植被资源特征研究 |
| 2. | Regional differentiation of vegetation on the west kunlun , the west karakorum , and the north west himalaya and the implication for the ecological environment
西喀喇昆仑和西北喜马拉雅地区植被的地域分异及其指示意义 |
| 3. | However , a series of ecologically maladjusted problems emerged because of the massive lop and reasonless utilization of vegetation in recent decades
但几十年来，该地区植被的大量砍伐和土地的不合理利用引起了一系列生态恶化问题。 |
| 4. | At present , the main vegetation landscape elements are grasslands and scrublands . the conditions of light and warmth are the key factors in determining the elements and their distribution in this area
五台山植被随着海拔高度的变化有明显的垂直地带性规律，光热条件是影响五台山地区植被景观要素及其分布的重要因素。 |
| 5. | Unsiipervised classified was used to classify the tm image over the region . according to the data on the spot and gps , the classified result was estimated . the classified accuracy is 92 % , so the classified result is credible
本文根据野外实地调查和gps定点定位调查资料，对黄河源区植被覆盖度分级结果进行评价，整个地区植被覆盖度分级准确度达92 ，效果较为理想。 |
| 6. | It is useful to study the relationship between plants and environments of this region for improving our understandings of the ecosystem frangibility of ordos plateau and the significant roles of vegetation in maintaining the structure and function of the ecosystem
因而，研究该地区植被与环境复杂多变的相互关系有助于我们认识鄂尔多斯高原生态系统的脆弱性和植被对于维持该区生态系统结构和功能过程的重要性。 |
| 7. | The results of the study show that the affections to the local climate are rather obvious when the vegetation are changed in the west of liaoning province . of the several kinds of vegetation change in the west of liaoning province , the vanish and the resume of the forest is the mo
本研究结果表明：辽西地区植被变化对当地气候的影响是比较明显的，在辽西地区植被变化的几种形式中，森林的消失和恢复是影响当地气候变化最重要的形式。 |
| 8. | We obtain the chengdu area plain vegetation that occupies the superiority by the herbaceous plants through the palynological analyses . the local area is the low - lying wetland . it was growing the massive ferns that like wet environment and the trees on a higher knoll and the mountainous region
通过孢粉分析得出成都平原地区植被以草本植物占优势，局部地区为低洼的湿地，生长着大量喜湿的蕨类植物，在平原周围较高的丘陵和山地上生长着乔木。 |
| 9. | Biodiversity indices are much influenced by the types of the vegetation in jinfo mt . the species richness index , diversity index and evenness index of the plots in karst area raised when the plots were jamming early and slightly ; species richness index and diversity index of the plots in nonkarst area raised when the plots were jamming early and slightly , but evenness index fell . the diversity index and species richness index of original vegetation in karst area are lower than in nonkarst area
不同植被类型显著影响其生物多样性的变化，金佛山石灰岩地区植被在受到中轻度人为干扰初期，其物种丰富度和多样性、均匀度指数均有提高；砂页岩地区植被受到中轻度干扰，丰富度和多样性指数有所提高，均匀度指数呈相反趋势；石灰岩地区原生植被生物多样性和物种丰富度指数较砂页岩地区的原生植被低。 |
| 10. | 68 quadrats were divided into 8 types of communities by twinspan , which can be treated as one - dimension resource states . the niche breadths and overlaps of main dominant species were measured using a series of indices proposed by levins , shannon - wiener and petraitis
在该地区植被的优势种生态位的研究方面，仍然运用twinspan把样方分为8个群落类型，用levins 、 shannon - wiener生态位宽度公式和petraitis生态位特定重叠指数公式测定群落中主要种群生态位宽度和生态位重叠，并分析各种群生态位的生态学意义。 |
