1. The vertical section of water in an aquatic environment, extending from the surface to the bottom, characterized by specific physical and biological properties
Marine biologists study the water column zone to understand the distribution of plankton and fish larvae.
Os biólogos marinhos estudam a zona da coluna de água para entender a distribuição do plâncton e das larvas de peixe.
2. In limnology and oceanography, a distinct layer or region within a body of water defined by depth, temperature, light, and nutrient availability
The euphotic water column zone receives sufficient sunlight for photosynthesis.
A zona da coluna de água eufótica recebe luz solar suficiente para a fotossíntese.