'low and decreasing' is correct and usable in written English.
It is often used to describe a trend over time - for example: The demand for this product has been low and decreasing over the past two years.
However, in sharp contrast to the high rates of PD use in other industrialized countries, PD use in the United States is low and decreasing.
Low and decreasing frequency percentages of Cryptococcus (including the species carnescens, festucosus and victoriae) and Sphaerulina amelanchier were observed with 10 and 7% of the fungal community after 0 days, respectively.
Land and labor productivities in DRC are low and decreasing for various reasons, including the lack of investment in accumulating capabilities, low fertilizer use, land size, war and displacement, the informal character of agriculture, and the rudimentary nature of technology used in this sector.
Low and decreasing water levels predict good prey accessibility.
From 1998 to 2003, cotrimoxazole consumption was very low and decreasing.
In all, supplementation tended to normalize the minerals, i.e. increasing if low and decreasing if high in comparison to control reference range.
Gc, is low, and decreases with increasing PA content.
That is, biodiversity can increase overall ecosystem stability when biodiversity is low, and decrease it when biodiversity is high, or the opposite with a U-shaped relationship.
Hydrogen activities determined from permeation experiments were very low and decreased with temperature.
The dry friction coefficient is relatively low and decreases modestly with increasing applied load.
Omnivorous species abundance increased with the juxtaposition of vegetation when the bare soil cover was low, and decreased otherwise.
