Measurement and Proxies: The direct measurement of productivity has to be matched to the organism, population or community, and will involve the measurement of the rate of change of mass (macrofauna) or the rate of uptake of nutrients (plants, microbes).
Measurement and Proxies: The direct measurement of productivity has to be matched to the organism, population or community, and will involve the measurement of the rate of change of mass (macrofauna) or the rate of uptake of nutrients (plants, microbes).