'Northern hardwood forest' presentation slideshows

How are genes passed down?

544 views • 42 slides

Phosphorus-nitrogen feedbacks maintain balanced availability in hardwood forest soils

Phosphorus-nitrogen feedbacks maintain balanced availability in hardwood forest soils Tera Ratliff 11-July-2012. US Forest Service. Identifying the processes underlying limitations to productivity help us understand forest ecosystem response to change. Walker and Syers , 1976.

502 views • 40 slides

The Soil Resource: Foundation of Terrestrial Ecosystems

The Soil Resource: Foundation of Terrestrial Ecosystems. The Soil Resource is:. 1. A dynamic natural body composed of mineral matter, organic matter, gases and living organisms in which plants grow.

250 views • 15 slides