The phrase "already decreasing" is correct and usable in written English.
It can be used to describe a situation or trend that has begun to decline or diminish prior to the current moment.
Example: "The sales figures for the last quarter are concerning, as they are already decreasing compared to the previous year."
Alternatives: "currently declining" or "already diminishing".
And now, I think the negatives outweigh the positives for Kauai, because overdevelopment is already decreasing our quality of life".
The current builds up as the driving voltage is already decreasing, tends to continue on at maximum value when the voltage is reversing its direction, falls off to zero as the voltage is increasing to maximum in the opposite direction, and reverses itself and builds up in the same direction as the voltage even as the voltage is falling off again.
Various natural habitats and man-made environments can be exploited to cultivate microalgae without utilizing arable land which is already decreasing due to urbanization and industrial development.
In the current work, decreased expression of two ferritin genes indicated that Fe availability in roots was already decreasing at 6 h (Figure 2).
But the new NCES report reports a silver lining: the number of high school dropouts is already decreasing.
The number of homes being put on the market is already decreasing, and UK property values are already falling at fastest rate in six years.
With the harvest not yet over, orange production has already decreased 10 percent from the initial estimate, a major swing, they said.
Small diameter arteries (< 6 mm) are affected the most by CVD due to their already decreased blood flow.
Thus, a beach may not be posted when it is contaminated, and may be posted under advisory when bacterial levels have already decreased to within water quality standards.
This is particularly true in the case of a combination of a carbon tax with a sequestration policy, which already decreases consumer surpluses.
The divergence was minimal: only the 5th not-updated tile was darker (above 2.5% of difference) as at that hour the pollution had already decreased.
