Explore the role that acorns serve in the ecosystem and the organizational interactions that exist within a forest ecosystem. Then view a video about an environmental study that counts acorns that fall from oak trees.
What’s in dirt anyway?
After sinking the shovel or trowel into the ground to plant something, you end up looking at the dirt that is pulled up and asking yourself, “Just what is in dirt that helps plants to grow?”
We’ve all asked the question at some point. So, to keep things really simple, the answer is that there is a lot of 'stuff' in dirt — including rocks, sand, clay and organic matter. The United States Environmental Protection Agency says the average soil sample is 45% minerals, 25% water, 25% air, and 5% organic matter.
Besides preserving North Carolina's native and medicinal plants, another project the North Carolina Arboretum and its Bent Creek Germplasm Repository are working on is the growth of the state’s natural products industry.
Together, they have formed the US Botanical Safety Laboratory.