The phrase "a reduction in the abundance of" is correct and usable in written English.
It can be used in contexts discussing ecological, biological, or resource-related topics where the quantity or presence of something is decreasing.
Example: "The study revealed a reduction in the abundance of certain fish species due to overfishing."
Alternatives: "a decrease in the quantity of" or "a decline in the presence of".
Typically, fisheries are associated with a reduction in the abundance of the target species.
Day [27] discusses a reduction in the abundance of bald cypress in the GDS as a result of drying conditions and logging.
Importantly, we also see a reduction in the abundance of the mRNAs for key components of excitation-contraction coupling.
This was accompanied by a reduction in the abundance of myofibers that contain minimal numbers of satellite cells.
chinensis) was associated with a reduction in the abundance of native ants collected per pitfall trap by 10 individuals relative to a site where P. chinensis is absent.
Finally, the analysis of subtractive efficiency showed a reduction in the abundance of non-differentially expressed genes by SSH.
Indeed, the ABC (abundance/biomass comparison) method [ 27] of community assessment argues that stressed communities can be identified by a shift in the rank abundance plots of numerical abundance relative to biomass brought about by a reduction in the relative abundance of the larger bodied taxa.
Several recent comprehensive studies of the microbiota in IBS have reported an increase in the relative abundance of Firmicutes, mainly Clostridium cluster XIVa and Ruminococcaceae, together with a reduction in the relative abundance of Bacteroidetes (7, 8, 9, 77).
They demonstrated that obese animals have a 50% reduction in the abundance of Bacteroidetes and a proportional increase in Firmicutes.
NPK application also caused a significant reduction in the abundance of Deltaproteobacteria.
Bacterial distribution of gut microflora determined a significant reduction in the abundance of Clostridial cluster IV from LA consumption and significant increases in the abundance of Lactobacillus in both LF and LA treatments.
