Where the lost seedlings go

Posted: 17/06/2017 by arilab in General

A BLOG AND REPOSITORY ABOUT FOREST GENETICS, GENOMICS AND ECOLOGICAL GENETICS

Walk down a wild forest in spring (or during the rainy season, if you are walking down a tropical forest). You’ll walk on a carpet of tree seedlings, growing from the seeds dispersed by the trees in the canopy above your head.

It is a spectacular view, that gives you the feeling of how powerful forest dynamics are. It is also amazing to see all those tiny cubs, sitting at the feet of their enormous mothers.

pyramid

But there is also a tragic side to this. Look better: there are much fewer saplings, even fewer sub-adults. No matter the tree species, most of those youngsters will die soon and suddenly, in a massacre that makes WWI trench warfare pale in comparison. The pyramid of ages is very steep.

What does this slaughter tell us about how forest ecosystems work? Jean-Pierre Pascal (‘JPP’), a brilliant and witty, now retired, CNRS (France)…

View original post 591 more words

Advertisements

Leave a Reply

Fill in your details below or click an icon to log in:

WordPress.com Logo

You are commenting using your WordPress.com account. Log Out / Change )

Twitter picture

You are commenting using your Twitter account. Log Out / Change )

Facebook photo

You are commenting using your Facebook account. Log Out / Change )

Google+ photo

You are commenting using your Google+ account. Log Out / Change )

Connecting to %s