And they wanted to see what effect illegal drugs, like amphetamines, might have on aquatic ecosystems.

他们想了解安非他命等非法药物对水生系统有什么影响。

Also abundant were mayflies and caddis flies. These invertebrates are indicators of a healthy aquatic ecosystem.

也有大量的蜉蝣和石蛾。这些无脊椎动物是健康水生生态系统的标志。

These also help feed algae and coral reefs, like a liquid fertilizer that helps keep aquatic ecosystems healthy.

这些物质也有助于喂养藻类和珊瑚礁，就像一种有助于保持水生生态系统健康的液体肥料。

Bogan is captivated by these pop-up aquatic ecosystems...and he travels far beyond his home base in Arizona to find them.

博根被这些突然出现的水生生态系统所吸引.....他远远离开亚利桑那州的家去寻找它们。

Sidenote: there are also some autotrophs that aren't plants, like cyanobacteria and algae, which photosynthesize to keep aquatic ecosystems running smoothly.

也有一些自养生物不是植物，如蓝藻和藻类，它们进行光合作用以保持水生生态系统的平稳运行。

The conference will address issues related to protecting aquatic ecosystems, improving management of water resources, increasing water reuse and promoting cooperation across borders.

会议将讨论与保护水生生态系统、改善水资源管理、增加水资源再利用和促进跨境合作有关的问题。

These invertebrates are indicators of a healthy aquatic ecosystem.

这些无脊椎动物是健康水生生态系统的指标。

In the mid-Triassic, around the world, aquatic ecosystems began to be overrun with swimming reptiles -- from phytosaurs to the first turtles.

在三叠纪中期，世界各地的水生生态系统开始充斥着游泳爬行动物——从植物龙到第一批海龟。

The rise of ocean temperatures has damaged and destroyed rich aquatic ecosystems like coral reefs, which could disappear as early as 2050.

海洋温度的上升破坏并摧毁了珊瑚礁等丰富的水生生态系统，这些生态系统最早可能在 2050 年消失。

Competition was high in aquatic ecosystems, and the only animals on land were invertebrates, like insects and spiders, which probably enticed tetrapod ancestors out of the water.

水生生态系统的竞争非常激烈，陆地上唯一的动物是无脊椎动物，如昆虫和蜘蛛， 这可能会把四足动物的祖先引诱出水。