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This is Scientific American's 60-second science.

I'm Christopher in Taliatta.

As climate change dials up global temperatures, one effect is an earlier flower bloom.

But it turns out there's another factor that also means faster flowering, and that is a loss

in biodiversity in a flower field.

The amount of change in flowering time that we see with diversity

loss is in the same magnitude range as the amount of change in flowering time we see with rising

temperatures. Amy Wolfe, an ecologist at Columbia University and UC Davis. Wolf and her colleagues

studied that effect in a grassland in northern California,

in study plots with two to 16 species of plants.

And they found that for every two species lost, the remaining flowers blossomed a day earlier, on average.

Possibly because the less diverse plots had higher soil temperatures, more moisture, and more nitrogen,

all variables that could tweak the bloom time. The studies and the proceedings of the National Academy of Sciences. The reason it matters, because flowers might

bloom earlier than pollinators are expecting them. And that could lead to a whole cascade of things.

If plants don't get pollinated or they don't get pollinated well, then you can kind of start to lose species at an even more rapid rate.

Wolf says it's too soon to know whether biodiversity loss and climate change

...