An ecosystem is normally defined as a complex of all living (plants, animals, microorganisms) and non-living (soil, climate) components interacting as a functional unit in a certain area. Each ...
Even if you’ve been living under a rock, you have experienced the Water Cycle in action. Rain falling from the sky, water seeping into the ground, a flowing river, plant roos sucking up moisture; each ...
Proceedings of the National Academy of Sciences of the United States of America, Vol. 102, No. 26 (Jun. 28, 2005), pp. 9212-9217 (6 pages) We present a model of plant-nutrient interactions that ...
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