The phrase "alter the abundance" is correct and usable in written English.
It can be used in contexts where you want to express the idea of changing or modifying the quantity or availability of something.
Example: "The new policy aims to alter the abundance of resources available to the community, ensuring a more equitable distribution."
Alternatives: "change the quantity" or "modify the supply."
Exposure to EBR sediment did not significantly alter the abundance of transcripts of cyp1a or EROD activity (Fig. 2).
However, fire could alter the abundance and persistence of some arthropods, in turn influencing vertebrate taxa that depend on those arthropods as a food source.
Figure 1 Summary of the results from Firn et al. (2010) on how grazing exclusion and grazing manipulation can alter the abundance of a dominant invasive plant species and small-scale richness of the subsequent plant community.
Compared with the control, biochar amendment decreased, albeit not significantly, the abundance of the nitrous oxide reductase encoding gene nosZ, but did not alter the abundance of nitrite reductase encoding genes nirK and nirS.
This study identifies the threshold distances upon which several cities and roads, located across a large mosaic landscape of ca. 300 km2 in central Spain, alter the abundance patterns of the native avifauna.
Acetaminophen treatment did not alter the abundance of pAkt-Ser473 compared to that found in age-matched controls (P>0.05).
In our one-year study, the precipitation manipulations had little time to alter the abundances or identities of the resident competitors, making indirect effects mediated via changes in C unlikely.
As shown in Tables 1 and 2, Mg-deficiency did not alter the abundances of these proteins potentially involved in mediating Mg transport such as the MAGNESIUM⁄PROTON EXCHANGER 1 (MHX1) and the MITOCHONDRIAL RNA SPLICING 2 ⁄MAGNESIUM TRANSPORTER (MRS2 ⁄MGT⁄CorA) family [ 17].
They gave protected mice one of two antibiotic drugs in low doses that altered the abundance of various microbes but didn't kill the bugs.
We next examined whether expression of NLS-hTrx1 altered the abundance of other antioxidant proteins including mTrx1, mitochondrial Trx2, nuclear and cytoplasmic peroxiredoxins (Prx1, Prx2), mitochondrial Prx3, and thioredoxin-interacting protein (Txnip).
Carbon dioxide enrichment altered the abundance of dominant grasses in both mesic grassland CO2 experiments.
