This monitors 7.5 million individual trees in plots around the world.

该系统监测了世界各地750万株树木。

This study did not estimate the total number of individual trees globally.

这项研究并没有估算全球有多少棵树。

All of these factors limit how much the individual tree can thrive.

所有这些因素都限制了每棵树的生长。

On average, each individual tree lives 130 years, before falling and being replaced by new ones.

每棵树平均会生长 130 年，之后才会倒下，被新的树所取代。

We had hand crews going in and doing this, kind of, raking and fuel removal around individual trees and groves.

我们曾派了工作人员在每棵树和树丛周围翻土和清除可燃物。

That single tree was able to spread so much because its roots send up shoots that grow into what look like individual trees.

那一棵树扩张得如此之广，因为它的根会发出新芽，长出那些表面上独立的树。

I am home to an estimated 400 billion individual trees representing 16,000 species, thousands of mammals,birds,amphibians, and reptiles,and millions of insect species.

我拥有估计 4000 亿棵树木，代表 16,000 个物种、数千种哺乳动物、鸟类、两栖动物和爬行动物，以及数百万种昆虫。

Amazon Rainforest: I earned that name due to my rich, green canopy which is home to an estimated 400 billion individual trees.

亚马逊雨林：我赢得了这个名字，因为我拥有丰富的绿色树冠，据估计有 4000 亿棵树木。

Sensors installed in tree canopies, examinations of seedlings, data from individual trees and images collected by observational planes will help scientists measure the seriousness of the danger.

人们在红杉的华盖上安装了传感器，并对幼苗进行检测，观测飞机将收集每棵红杉的数据和图像，而这些也将帮助科学家判定情况的严重性。

By looking at nitrogen in individual tree rings—those yearly layers you can see if you cut a tree in half — the researchers were able to show how important salmon are to the trees.

如果把一棵树砍成两半，你可以看到年轮，研究每棵树年轮中的氮含量，研究人员就能证明鲑鱼对树有多重要。