The phrase "a decrease in abundance" is correct and usable in written English.
It can be used in contexts discussing ecology, biology, or any situation where the quantity of something is diminishing.
Example: "The study revealed a significant decrease in abundance of the local fish species over the past decade."
Alternatives: "a reduction in quantity" or "a decline in numbers."
There was a statistically significant increase in abundance of Pseudomonadales and a decrease in abundance of Lactobacillales, Gemellales, Actinomycetales and Clostridiales between the moment of intubation and extubation.
These alkanes were unbranched, with no carbon number predominance, and showed a decrease in abundance with increasing carbon number [2].
A similar pattern is seen in the two remaining families, Serranidae and Lutjanidae, which displayed a decrease in abundance in the immediate return tape transect.
Almost half of the 45 total proteins showing a decrease in abundance in our dataset were either ribosomal proteins (RPs) or other translational components (See supplementary information, Table S2).
For dung beetles, in addition to a decrease in richness, a decrease in abundance has been observed, along with changes in species composition that depend on the degree of habitat transformation, see [20] and references cited therein.
These differences are mainly caused by a decrease in abundance of almost all the volatile compounds.
The transcriptional profile of the nutrient starvation was dominated by a decrease in abundances of many transcripts.
In addition, the respondents reported an increase in the abundance of exotic species and a decrease in the abundance of native species.
Blue colors correspond to a decrease in transcript abundance while red colors correspond to an increase in transcript abundance.
In Rangpur lime, we observed a decrease in peroxidase abundance under water stress conditions, whereas in 'Sunki Maravilha' mandarin, the abundance of this enzyme increased.
We observed changes in relative abundance of IgJ protein suggesting that there may be a decrease in relative abundance of IgA or IgM immediately after LPS exposure.
