In the ocean，we fished for top predators such as cod.
在海洋中，我们捕捞像鳕鱼这样的顶级食肉动物。
Mathematical models have also revealed that food webs may be unstable, where small changes of top predators can lead to big effects throughout entire ecosystems.
数学模型也揭示了食物网可能是不稳定的，顶级肉食性动物的微小改变会对整个生态系统产生巨大影响。
Sharks are the ocean's top predators.
鲨鱼是位于海洋食物链最顶端的捕食者。
Such megacrocs, then, could easily have acted as top predators in this ecosystem.
这样的巨鳄能在这样的生态系统中轻松担当顶级掠食者的角色。
Top predators are key to keeping populations of key species from growing too large.
大型捕食者是使主要的物种种群不会生长过大的关键因素。
When top predators like sharks disappear from their environments, ecosystems fall out of whack.
当像鲨鱼这样的顶级掠食者从环境中消失时，生态系统就会陷入混乱。
They can also have an important role in the ecosystem as top predators or as indicators of overfishing.
它们无论作为顶端掠食者还是过分捕捞的指示生物都在生态系统中扮演着重要的角色。
Keeping top predators away from study plots began a cascade of changes that eventually led to fewer small creatures grazing on algae.
从研究田移除最高级捕食者导致一连串变化，最终清除海藻的小生物也会减少。
As important as keeping rare species from disappearing, he says, is keeping ecosystems - including its top predators - reasonably intact.
同样，不让重要的稀有物种消失是为了保持生态系统的完好无损，包括在其顶端的食肉动物。
Overall, the squid's energy requirements are 300 to 600 times lower than those of warm-blooded whales, the other top predators in Antarctic waters.
总的说来，乌贼的能量需求比暖血的鲸低300到600倍，鲸是另一种南极海域的顶级食肉动物。
We know that most of these species are top predators and we know that removing the top predators usually has negative consequences to the system as a whole.
我们知道，这些物种大多数是顶层食肉动物，而顶层食肉动物的灭绝通常会对这个生态系统造成不良后果。
The reason: ectotherms range from food sources like insects to top predators like snakes and crocodiles, the loss of which would have "major flow-on effects, " Shine says.
其原因是：像蛇和鳄鱼等变温动物排列在食物来源如昆虫的顶部，将会产生重大的影响。
A Marine conservation zone that is closed to commercial fishing helps save the targeted fish species, or so one would hope. But what about birds or other top predators that dine on those species?
人们希望商业捕鱼场附近的海洋保护区多少可以救助受捕捞鱼类，但以这些鱼类为生的鸟类和其它顶端捕食动物又会怎样？
Now a study in the journal Science shows the impact of this wholesale elimination of large predators and other animals at the top of local food chains. James Estes et al.
如今，《科学》杂志的一项研究表明了大型肉食动物以及其他食物链顶端的动物大规模消失所带来的影响。
Before the mass extinction, the top ocean predators were primitive sharks.
在大规模灭绝之前，高等海洋肉食生物是远古的鲨鱼。
There is no top to the food chain, as plants take nutrients from the strongest predators.
食物键没有尽头，就像植物从最强的食肉动物身上摄取营养一样。
There is no top to the food chain, as plants take nutrients from the strongest predators.
食物链并没有尽头，就像植物会从最强壮的肉食动物身上摄取养分。
Pliosaurs were the top Marine predators during a time when the oceans were teeming with large, meat-eating reptiles.
在海洋中充满庞大的食肉动物的那个时期，上龙是它们的霸主。
They are also one of those predators at the top of the ocean's food chain, preyed upon mostly by man.
他们还是海洋食物链的顶端的肉食者之一，通常只被人类捕杀。
Data collected during the tracking will reveal the habitats that are important for the survival of these top order predators.
跟踪记录收集的数据将揭示猫头鹰的生活习性，这对于这些高级食肉动物的生存很重要。
Data collected during the tracking will reveal the habitats that are important for the survival of these top order predators.
跟踪记录收集的数据将揭示猫头鹰的生活习性，这对于这些高级食肉动物的生存很重要。
应用推荐