树冠

• The secondary forest breeding use birds nest - site resources vertically , they can be divided into nesting in tree coronal layer guild , nesting on tree trunk guild , nestig in the under forest layer guild
  次生林繁殖鸟类对巢址资源呈现空间上的垂直利用现象，可分为树冠层营巢、树干上营巢和林下层营巢繁殖集团。
• There are 5 species glean state insects from the watersurface and edge of woods in the 6 species except for the myotis ricketti which catch the fish out of the water from the watersurface . 2
  6种蝙蝠中只有大足鼠耳蝠在水面上直接捕食露出水面的金鱼，其余5种蝙蝠均在水面上空、疏林边缘或树冠上空掠食静止的昆虫。
• The difficult part is root retention which must be moved together with the enclosing soil without disturbance in a rootball . tree roots normally spread beyond the drip line ( the outer edge of the tree crown )
  其困难之处在于要把树根四周黏附的泥土形成根团,一并移走，不可弄散。树根一般都会伸展超越滴水线以外的范围（即树冠外围） 。
• The results indicated that the land surface runoff volume was respectively 35 . 19 m3 / a , 8 . 42 m3 / a , 15 . 95 m3 / a , 10 . 63 m3 / a in the plots of non - forests p . yunnanesis , e . maedenii and a . mearnsii community
  研究表明，在森林树种个体水文生态作用方面，直干桉和黑荆树冠截留能力比云南松强，而云南松树干茎流量较高，直干桉树冠下降雨量比云南松、黑荆要大。
• In sand river , you can see egrets chasing after each other in the morning breeze , or watching their fair inverted reflection in water , or standing on top of trees , like a spirit of art living leisurely above water
  在深圳沙河高尔夫球会，白鹭或在晨风中追逐嬉戏，或以水为镜孤芳自赏，或婷婷玉立于树冠之颠，宛如水上艺术的精灵，生活得格外坦然。
• Mr preston ' s elegant narrative avoids scientific jargon but reveals the passion that scientists have for the ecosystem of the redwood canopy : a “ vertical eden ” teeming with life , like “ coral reefs in the air ”
  普雷斯顿简洁的叙述方式避免了科学术语的使用，而是展现了科学家对于树冠生态系统的热情：充满生命的“垂直伊甸园” ，像是“空中的珊瑚礁” 。
• No matter how high i climbed , encumbered by my net and collection jars , these creatures were always just beyond my reach - like white and orange confetti settled on the treetops
  无论我爬得多高，我的捕蝶网和收藏瓶仍够不着它们，这些生物总是栖息在刚刚超过我能碰到的高度上，就象白色和橙色的五彩纸片一样高踞在树梢（点评： “树梢”应改成“树冠” ,下同）上。