如果这些其他物种的种群数量增加,蜱类捕获细菌的数量就会减少,因此感染莱姆病的人数就会减少。
If the population of these other species were increased, the number of ticks acquiring the bacterium and hence the number of people contracting Lyme disease would likely decline.
例如,在白马雪山保护区,尽管云南金丝猴种群数量并没有明显变化,但黑熊和豪猪的种群数量均有所增加。
In Baimaxueshan for example, while the population of the Yunnan Golden Hair Monkey does not show a clear change, the populations of black bears and porcupines have increased.
渔业专家托尼·克恩表示,数量持续下降意味着龙虾种群数量是个长期性的问题,而不是周期性的下降和回弹。
Toni Kern, a fisheries expert, said the consistent decline means the population has long-term problems, not cyclical declines and recoveries.
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