Sentence examples for when aquatic from inspiring English sources

Most surface waters in these polders have high sulfate concentrations, which generally decline during the growing season when aquatic sediments are a sink.

Such hatches are a prelude to the fullness of summer itself and its doldrums of low water, when aquatic insects and their diurnal timing are completely different, and virtually everything astream will be changed.

There are two recently published books that opening day and early-season fly-fishers -- who are abroad at a time when aquatic insect hatches are either minimal or nonexistent and the dry fly is of limited value -- would do well to acquire: "No Hatch to Match" by Rich Osthoff (Stackpole, 2001) and "The Orvis Pocket Guide to Nymphing Techniques" by Tom Rosenbauer (The Lyons Press, 2002).

Applied to the oceans, the hypothesis means that the churning action created when aquatic creatures swim--even the smallest and slowest--might stir a significant amount of water.

In frogs, increased population density associated with reproduction is not realized until months later, when aquatic tadpoles transform and become available to mosquitoes.

In addition, human and ecosystem health have to be take in account when aquatic herbicides are applied to water supplies, particularly drinking water.

When the Aquatic Centre costs soared, they were attributed to changes of brief and the incorporation of a new bridge into the project.

Investigations over a wider range of velocities are needed to better understand coordination dynamics when the aquatic environment is modified by a swimming flume.

In the early 1950s, around 1951 or 1952, Hydrilla was introduced to the Tampa Bay area of Florida when an aquatic plant dealer was said to have discarded six large bundles of Hydrilla into the canals near his business.

Other species are inactive on land and become air-breathers when their aquatic habitat disappears during the tropical dry season.

In the beginning of summer, when higher aquatic vegetation is developed little, qualitative and quantitative composition of phytoplankton in the thickets and in open water areas differed slightly.