Understanding the human body is a team effort. That's where the Yachtel group comes in.

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This is Scientific American's 60-second science. I'm Christopher in Taliatta.

You've probably heard the financial advice that a diversified portfolio is better in turbulent times.

Well, that same wisdom may hold true for our stocks of trees, because ecologists say forests with a

diversity of trees are better at weathering drought. The reason? There's a huge

difference and a huge diversity of the water transport strategies in trees. William Anderrague is

an ecologist at the University of Utah. It's everything from maybe having deeper roots or shallower

roots to having these pipes that are incredibly well-armored to withstand

drought or incredibly weak in the face of drought.

Anderragon's team studied droughts in 40 forests around the world.

And the forests with diverse tree populations, with a mix of water management strategies,

did better than forests made up of just one or a few

species. Could be a couple reasons for that. One is that there are other forces that are acting on

the ecosystem at the same time. Other stressors like insect attack or other things they're

competing for, competing for light or for nutrients.

And this is why a more diverse forest is going to be more functional.

It'll be more resilient to drought, but maybe also have higher carbon uptake rates over the long term.

The second possibility, he says, is that a monoculture of drought-ready trees may look really

...