Gora says the findings reveal that that lightning is one of the most important natural factors killing trees in the tropics.

戈拉表示，研究结果表明，闪电是热带地区致树木死亡的最重要的自然因素之一。

Species are sometimes introduced into new habitats through natural factors, like storms, ocean currents, or climate shifts.

物种有时会通过风暴、洋流或气候变化等自然因素被引入新的栖息地。

First, bird feeders do not contribute to the spread of bird diseases in a major way; natural factors play a much more important role.

首先，喂鸟器不会在很大程度上促进鸟类疾病的传播；自然因素发挥着更为重要的作用。

While these natural factors continue to play a part, their impact on the recent climate change, according to scientific consensus, appears to be minimal compared to human activities.

虽然这些自然因素继续发挥作用，但根据科学共识，与人类活动相比，它们对最近气候变化的影响似乎微乎其微。