That means that for most threatening conditions, for climate, insects, and pests, whatever, there will be at least some individual trees of any given species tree that are resistant.
这就意味着无论何种树木，即便是在遭遇极端气候灾害或者虫害的情况下，都至少有部分个体对灾害有抵抗能力。
Some species of tree have been read out of the party by economics-minded forestersbecause they grow too slowly, or have too low a sale vale to pay as timber crops.
有些种类的树木已经被有经济头脑的林农淘汰出局，因为它们生长得太慢，或者作为木材作物的售价太低。
Some species of tree have been 'read out of the party' by economics-minded foresters because they grow too slowly, or have too low a sale value to pay as timber crops.
有些种类的树木已经被有经济头脑的林农淘汰出局，因为它们生长得太慢，或者作为木材作物的售价太低。
There's one species of snake, the brown tree snake, that uses both constriction and venom, depending on its prey.
有一种蛇——棕树蛇——会根据猎物的不同，同时使用毒液和挤压的方法来杀死猎物。
Shifts in forest species composition ramify through the ecosystem in many ways because tree species have different, often unique properties.
由于树种具有不同的、往往是独特的特性，森林物种组成的变化以多种方式影响着生态系统。
Hundreds of tree species face extinction because of deforestation.
由于森林砍伐，很多树种濒临灭绝。
The aim is to reverse the decline in the number of tree species or at least to preserve the "genetic material" of all of them.
其目的是扭转树种数量下降的趋势，或至少保存所有树种的“遗传物质”。
Evidence from other studies suggests that exclusion of fire results in markedly decreased plant-species richness, often with an increase in tree density.
来自其他研究的证据表明，没有火灾会导致植物物种丰富性显著减少，通常还会伴随着树木密度的增加。
The entire continent and the majority of species are now affected: between 30% and 50% of the tree population.
整个大陆和大部分的物种（占树木的数量的30%至50%）目前都受到了影响。
It's a species of a very rare tree that grows in Australia, Eidothea hardeniana, but it's better known as the Nightcap Oak.
这是一种生长在澳大利亚的非常稀有的树——冬花，但它更广为人知的名字是夜冠橡树。
The organic litter of another tree species might add less acid but more of something else.
另一种树种的有机凋落物可能不会添加这么多酸，但会添加较多的其他物质。
Pests often target specific tree species and, if they become established, they usually remain as permanent components of the ecosystem.
害虫通常以特定的树种为目标，一旦形成，它们通常会成为生态系统的永久组成部分。
Long-term effects are primarily mediated by changes in tree species composition and the consequent alterations of forest structure, productivity, and nutrient uptake.
长期影响主要是由树种组成的变化以及随之而来的森林结构、生产力和养分吸收的变化所导致的。
A rare tree frog, a mudfish and lizards are among the thousands of species threatened by extinction.
一种罕见的树蛙，泥鱼和蜥蜴都在成千上万种濒临灭绝的动物之中。
These species also differ morphologically: grass dwellers are slender with long tails, tree-dwellers are stocky with long legs, twig dwellers are slender but stubby-legged.
这些物种在形态上也有所不同：呆在草上的动物体型纤细，尾巴很长；呆在树上的动物体格健壮，腿长；而呆在树枝的动物体型纤细，但腿短。
But biologists reconstructing the mammalian tree of evolution from the DNA of living species have come to a different conclusion.
但是利用现存物种的DNA重建哺乳动物系统树的生物学家却得出了不同的结论。
The bluish specimens at the top of the left and right jar belong to the tree viper genus Trimeresurus but are different species.
左侧罐子顶端和右面罐子顶端的蓝色标本属于树毒性的竹叶青，但却属不同的物种。
The discovery that elephants dislike ants came when Dr Palmer and colleague Dr Jacob Goheen noticed elephants avoiding a species of acacia tree in the Kenyan plains.
帕尔默博士与其同事雅各布·歌辛博士在肯尼亚平原上注意到大象总是躲开一种金合欢树的物种时，发现了大象惧怕蚂蚁这一现象。
Neven is excited about the potential to enable the system to identify which species of tree a leaf fell from, or the model of car parked on the street.
乃文对于让系统认出一些的东西的前景很激动，比方说认出一片落叶来自哪个树种，或者停在路边的车辆的牌子。
But unlike most tree species common in the us, the ginkgo is dioecious, meaning trees are male or female.
但是银杏树和美国常见的树种不同，它是雌雄异株植物，也就是说银杏树有分雄性和雌性。
In those areas that have had three or four periods of experimental burning only half the number of species of tree seedlings originally found are still there.
在进行过三到四次燃烧实验的地区，原本发现的树苗种类只有半数仍然存在。
In his view, the hosts on which lice were speciating during the Cretaceous could have been a different branch of the mammalian family tree, all of whose species are extinct.
在他看来，在白垩纪虱子物种进化时的宿主可能是哺乳动物系统树上的另一分支而这一分支上的所有物种都灭绝了。
A model that had a single common ancestor and allowed for some gene - swapping among species was even better than a simple tree of life.
一个拥有单一共同祖先且允许物种间部分基因彼此交换的模式甚至更优于树形生命模式。
Salk is also called as Snake fruit because of its reddish brown-scaly skin. It is a species of palm tree. The origin of this fruit is Indonesia and Malaysia.
萨拉卡也称蛇皮果，是因为它红棕色鳞状的果皮，它是一种棕榈树，其原产地是印度尼西亚和马来西亚。
In addition, he and his colleagues used tree-ring records from other species of trees to reconstruct the region's past climate.
此外，他和他的同事利用其他种类树木的年轮记录重构了此地区过去的气候情况。
And, also, they use the leaves and the fruits of those tree species just to survive.
同时，他们还可以利用这些树种的树叶和果实活下来。
It is the size and immense adaptability of the human brain that is responsible for the transformation of our species from tree-dwelling primates into the dominant species on the planet.
正是由于人类大脑的体积和广泛的适应性，我们才得以从居住在树上的灵长动物演化成这个行星上的支配性物种。
The group's mission is simple, if grandiose: to reforest the land with a variety of the most interesting tree species from around the world, and by extension, halt and reverse climate change.
该组织定下的研究目标既简单又宏大：让那些来自世界各地且最有意思的树种在大地上汇聚成林，进而阻止并逆转气候变化。
As a result, the green chlorophyll is slowly leached away, revealing the yellow and orange hues seen in some tree species come autumn.
其结果是，绿色的叶绿素是慢慢地被过滤了出来，在某些树种中，从它们所展现的黄色和橙色的色调里可以看到秋天的到来。
As a result, the green chlorophyll is slowly leached away, revealing the yellow and orange hues seen in some tree species come autumn.
其结果是，绿色的叶绿素是慢慢地被过滤了出来，在某些树种中，从它们所展现的黄色和橙色的色调里可以看到秋天的到来。
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