A systematic process for continually improving management policies and practices by learning from the outcomes of operational programs.

Same as MATURE.

A group of individuals of a certain species that have the same age.

Information passed along by word-of-mouth but not documented scientifically.

A change in the course of a river when the bank is breached or overtopped.

The typical flow rate for a given stream at a particular time of year.

Streambed materials that are washed downstream and redeposited in a new location.

A measure of growth in living systems.

Steps in the food chain from plants through plant-eaters to meat-eaters.

The total weight of a living organism or a population of organisms.