Sentence examples for Upper water layers from inspiring English sources

A few days after hatch the larvae migrate vertically into upper water layers with sufficient prey concentrations and light conditions for feeding [ 5] avoiding critical oxygen levels.

During this phase the larvae have to migrate vertically into upper water layers with sufficient light conditions and higher prey concentrations for successful feeding [ 16].

After the ice breakup, the concentrations of major ions (Ca2+, Mg2+, SO42+) and minor and trace elements (Al, Mn, Ni, Sr, Zn) in the upper water layers (0 5 m) are four to seven times smaller than in the deeper waters (5 9 m), and the pH decreases from 5.48 near the surface to 5.07 at depth (Table 1 and Figure 2).

Spawns from British Colombia south to Magdalena Bay, Baja California, but most abundantly between Point Conception and Point spring January too March or April), but depending on hydrological conditions (preferred temperatures 10too 23.3 °C in upper water layers and around 22.00 hours); eggs ellipsoidal, floating perpendicular at first, later horizontal, hatching in 2 to 4 days.

Biological processes strongly affect the composition of lake waters and are responsible to a significant degree for the compositional differences between the upper water layer (the epilimnion) and the lower water layer (the hypolimnion) of lakes.

Erosion of plastics may also change their specific density [66], and mixing of the upper water layer by wind may lead to submersion of previously buoyant microplastics [19].

Afterwards, the upper water layer which contains the yeast cells was removed, filtered over a Whatman filter and once more kept overnight at 50 °C to induce precipitation of residual sophorolipid lactones.

The theoretical oxygen consumption by bacterial respiration (see "Materials and methods") increased linearly over time with all oxygen respired for the upper water layer (18 °C) within 20 days and for the bottom layer (10 °C) within 23 days, assuming no oxygenation of the water (Fig. 10c).

The upper water layer is separated from the more saline deepwater layer by a permanent halocline located at depths of about 70 100 m.

Data loggers were carefully secured into the water to record temperature in the upper water layer.

In these ponds production is limited only to the upper water layer and the production here can not cover the oxygen demand of the lower water layer where respiration is dominant.