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- subtropical forest zones 亚热带林区
- The niche proportional similarity and the niche overlap index reflect the niche characteristics of the evergreen broadleaf trees in subtropical forest. 结果表明:组成米槠林群落的优势种群绝大多数为广生态位,种群之间关系复杂,对资源具有一定的共享性。
- The niche proportional similarity and niche overlap index reflect the niche characteristics of the evergreen broad leaved shelter in subtropical forest. 种群之间的生态相似性比例和生态位重叠指数指标值反映了亚热带常绿阔叶林的生态特征。
- China forest forest zone,forestry,tree planting,to plant tress will buy helis! 森林界,林业界,植树造林界将可能进口,或买进直升飞机!
- Epiphytes are important components in tropical and subtropical forest ecosystems, and are well-known for their sensitivity to environmental changes. 作为热带、亚热带地区森林生态系统中重要组成成分之一的附生植物, 对环境变化尤为敏感。
- The proportion of niche similarity and the niche overlap index constitute the niche characteristics of the evergreen broad leaved woodland in subtropical forest. 种群之间的生态位相似比例和生态位重叠值反映了亚热带常绿阔叶林的生态特征。
- It was a period of warm humid climate with large areas lf temperate and subtropical forest, but only limited grasslands, as the grasses were of very recent origin. 当时气候温暖潮湿,除了有限的草地之外,拥有大面积的温带及亚热带雨林,这是因为大量草本植物是在近代才进化产生的。
- Owns preserved subtropical forest ecosystem and the characteristics of the most monopolistic world-class tourist resources in mid-latitude areas in the world's. 拥有当今世界中纬度地区唯一保存完好的亚热带森林生态系统和最富特色的垄断性世界级旅游资源。
- The number of forest patches in forest-meadow regions is greater than that in the forest zone and in meadow-steppe regions. 在森林-草原交错带森林草甸区森林斑块的数量最多,其次为森林带,再次为森林-草原交错带草甸草原区,草原带没有森林斑块。
- The microclimate of the subtropical forest not only infleuenced the ecological characteristics of the forest plants, but the forest composition,structure, regeneration and succssion. 而且这种影响又是复杂的和深刻的。
- At present, community forestry has been believed to be one of excellent models on economy development, income increas of farmers and construction of eco? engineering in forest zones of our country. 认为社区林业是目前我国林区发展、民增收和生态工程建设的一种较好的模式。
- In fact, there is no record of early hominins living in tropical or subtropical forested environments in Africa or Asia. 实际上,非洲和亚洲都没有关于早期人类居住于热带或亚热带森林环境的记录。
- A total of 445 species belonging to 24 families was collected, among which Noctuidae and Geometridae are dominant groups and 13 species are common to every forest zone. 随海拔的升高类蛾的多样性指数明显降低,其中红松阔叶林带蛾类的物种丰富度、个体数量和多样性指数都最高。
- As an important non-timber product found in tropical and south subtropical forests, rattan is of great societal, economic and ecological value. 摘要棕榈藤是热带和南亚热带地区森林宝库中重要的非木质林产品,具有重要的社会、经济和生态价值。
- tropical rainforest and subtropical forest fauna 热带雨林和亚热带森林动物群
- Because forest zone of mountain of the Qin Dynasty establishs ground condition poorer, landform is complex, river valley is deep-felt, tortuosity, silvan microclimate is apparent. 由于秦岭林区立地条件较差,地形复杂,河谷深切,迂回曲折,森林小气候明显。
- Broad-leaved evergreen subtropical forest 阔叶常绿亚热林带
- Latvian forests are located in a mixed forest zone consisting of northern coniferous and southern deciduous trees. 拉脱维亚森林位于混杂有北方针叶林和南方落叶林的森林带。
- Finally, taking the Fang Zheng Forest town of Heilongjiang province as the engineering practice, which is synchronically with the town planning, I study the green system of the forest zone. 最后,以黑龙江省方正林业局为工程实践,与方正林业局城镇总体规划同步,进行绿地系统规划研究。
- Ionic Leaching of Subtropical Forest Canopies Under Acid Rain 酸雨作用下中亚带森林冠层淋溶规律研究