They say that portraying introduced species as inherently bad is an unscientific approach.

他们说把外来物种描述成有害的是不科学的。

16. What assumption about introduced species is challenged by a number of scientists?

许多科学家对引进物种的假设提出了什么质疑？

Researchers recently introduced the whale species in a study in the publication Nature.

研究人员最近在《自然》杂志上的一篇研究论文中介绍了这种鲸鱼物种。

Some farmers fear that amateurs will introduce invasive species that could damage their crops.

一些农民担心业余爱好者会引入物种导致生物入侵，从而损害他们的作物。

To gauge such expansions, scientists, including Scientific American contributor Rob Dunn, tried to track introduced ant species in the Netherlands, New Zealand and the U.S.

为了衡量这种扩张，科学家们，包括科学美国人的撰稿人罗伯·邓恩试图跟踪介绍荷兰、新西兰和美国的蚂蚁。

Introduced species can bring other benefits.

引进的物种可以带来其他好处。

We bio secure ourselves hovering our clothes and kit and disinfecting our boots to ensure we introduce no alien species to Antarctica.

我们必须对自己的衣物和鞋子进行生物消毒，保证我们没有给南极洲带来任何外来物种。

Others have accused the government of mismanaging the plantation drive in early years and introducing exotic invasive species ill-suited for the region.

其他人指责政府早年对种植园活动管理不善，并引入了不适合该地区的外来入侵物种。

They thus identify three sets of reasons why an introduced species might be valuable: instrumental, intrinsic and relational.

因此，他们确定了外来物种可能有价值的三组原因：工具性、内在性和相关性。

In light of their analysis Dr. Sax and his team therefore suggest that researchers studying introduced species should in future follow three principles.

因此，根据他们的分析，萨克斯博士和他的团队建议研究外来物种的研究人员在未来遵循三个原则。

You're going to have to adapt your disturbance regime as the restoration goes, and as species colonize, or as you introduce species yourself.

随着恢复的进行，随着物种的殖民化， 或者当你自己引入物种时， 你将不得不调整你的干扰机制。

To understand in which way the ecosystem works, how it might react when you introduce a new species, what are the economic costs of rewilding compared to other more classic conservation approaches.

需要了解生态系统的运作方式，要知道在引入一个新物种时生态系统会有何反应，相较其他传统方式，野放计划的经济成本。

Humans have also inadvertently introduced more than 100 non-native and invasive species into the lakes, such as zebra and quagga mussels, and sea lampreys that have decimated some indigenous fish populations.

人类还无意中将 100 多种非本地和入侵物种引入了湖泊，例如斑马和斑驴贻贝，以及导致一些本地鱼类数量锐减的七鳃鳗。