Measure of an animal's physical state, often assessed through body mass relative to size
The proportion of variance in a trait that is explained by individual identity, indicating consistency of individual differences over time and across situations
The difference between cash rents for irrigated versus non-irrigated land in the same area, used to estimate the value of water for irrigation
Rate of mass loss per day during hibernation, expressed as mg per gram body mass per day, used as measure of energetic efficiency
Power law exponent y' related to fractal box counting dimension indicating degree of self-similarity
The minimal PAR required by the plant to absorb more carbon dioxide than it is releasing, found at the x intercept of the PI curve