aphotic zone

noun 0.591

limnetic

noun 0.587

limnology

noun 0.565

low water

noun 0.552

bottom heat

noun 0.537

midwater

noun 0.537

thermocline

noun 0.534

hypo

noun 0.532

thermohaline

noun 0.523

hypothermia

noun 0.520

deep water

noun 0.517

pycnocline

noun 0.516

halocline

noun 0.513

chemocline

noun 0.507