What is a hydraulic regime?

    This refers to variations in the state and characteristics of a water body, which are regularly repeated in time and space and pass through phases, e.g. seasonal.

    What is an estuarine ecosystem?

    The ecosystem of an estuary, which is a partially enclosed body of water and its surrounding coastal habitats, where salt water from the ocean typically mixes with fresh water from rivers or streams. Esuaries are classified by the geology that defines them or the way in which water circulates throughout them. 

    Because species living in most estuaries have to deal with constant changes in salinity, these environments harbor many unique populations of organisms.  

    What is light regime?

    Light regime is the amount of illumination to which a plant is exposed.