| 1. | Influence of soil humidity and vegetation coverage on wind erosion
土壤湿度和植被盖度对土壤风蚀的影响 |
| 2. | Analysis on the methods for assessing vegetation cover based on rs in alkali region , northwest china
中国西北盐碱区植被盖度遥感方法分析 |
| 3. | Plant cover and some differences in plant traits have notably effected on the local soil heterogeneity
植被盖度、植物种类及其生长特性对该区局部土壤异质性有重要影响。 |
| 4. | Moderate and rotational grazing can do some good to the development of leymus secalimus population , and ca n ' t result in desertification in grassland
适度的轮牧可促进赖草种群的发育，增加植被盖度，不会导致荒漠化。 |
| 5. | Analyzing the different vegetation cover rate of impact on runoff energy , we draw the cutting rate for runoff energy would increase with the vegetation cover rate increased
( 5 )对不同植被盖度对径流能量的影响分析得出，植被盖度越大，对径流能量的削减率越大。 |
| 6. | Refers to prairies , grasslands on the slopes , and grass - mountains in pastoral and agricultural areas used for herding and grass growing with vegetation coverage above 5 % , including natural , planted or improved grassland
指牧区和农区用于放牧牲畜或割草，植被盖度在5 %以上的草原、草坡、草山等面积。包括天然的和人工种植或改良的草地面积。 |
| 7. | As a case study , the responses of leymus chinensis steppe of songnen plain in northeast of china to human being activity ( light grazing , middle grazing , heavy grazing and overgrazing ) were discussed based on the field observed data
结果表明，随著放牧强度的增加，羊草草原的植被盖度和生物量随之降低，优势羊草群落将逐渐被盐生植物所替代，群落结构趋于简化，物种向旱生化和盐生化演替。 |
| 8. | This method has four parts : data acquisition , image processing , pixel number extraction and coverage calculation . , based on the precision assessment , the error is very small , and it has advantages such as objectivity , consistency and high precision , compared with visual estimation methods
精度评价表明，该方法测定的绿色植被盖度误差很小，与目视估测方法比较，它具有客观、一致和精度高的优点。 |
| 9. | The whole water is supplied by rainfall . s . viciifolia endured slightly water coerce . the water wane of s . viciifolia is less than caraganar ' s , they adapt the specific soil water situation under different species composition , population density and vegetation coverage
在整个生长季内，狼牙刺受不同程度的水分胁迫，但在不同立地条件下，通过不同的密度、物种组成及植被盖度，从而适应特定的水分环境条件。 |
| 10. | According to the configuration and ecotope of the earths surface , the coverage of vegetation , occupation ratio of bare sandy land and the soil texture were selected as evaluation indexes by using the field investigation data
利用外业调查数据，依据地表形态和生态状况的变化，确定了植被盖度、裸沙地占地百分比和土壤质地3项评价指标，并建立了基于遥感的科尔沁沙质荒漠化评价指标体系，其中裸沙地占地百分比用混合像元分解的方法获得。 |
