It's a "mast year"...of course it is I hear you say
a.The fruit of beech, oak, chestnut, and other woodland trees, esp. when fallen and used as food for pigs, etc. Also in extended use and (rarely) in pl. Also (in early use): pasture for pigs (obs.). And "mast year" as:
n. a year in which woodland trees produce a good crop of mast. So while "mast" is usually referred to within an agricultural context, a great crop of woodland fruit means a lot to the birds, mammals, insects and fungi which live there. Its by no means restricted to our habitats and can be seen across the globe. And 2010 seems to be a mast year, with bumper harvests of nuts & fruit. But why does it happen? Does Vseed = V env (i) + V mast - V const? Here's a Google Scholar search of research into masting to get you started.