The phrase "affecting variations" is correct and usable in written English.
It can be used when discussing changes or differences that have an impact on something, often in a scientific or analytical context.
Example: "The study focused on the affecting variations in climate patterns over the last century."
Alternatives: "influencing changes" or "impacting differences".
Snowfall is an important factor affecting variations of traffic volumes in winter season.
The data were analyzed statistically using a mixed-effects model to determine the factors affecting variations in the measured calibration factors.
It has been clearly indicated in many of the studies conducted in the past that the weather conditions are major factors affecting variations of traffic volumes in highway.
However, (1) these studies have mainly evaluated group-based anthelmintic treatments during the grazing season or at housing and (2) little is known about parameters affecting variations in the treatment response amongst cows.
An especially affecting variation on the theme opened the concert.
The nutritional value of fresh fruit and vegetables varies considerably, and but little is known about factors affecting variation.
This is the only book that treats in an integrated way all factors affecting variation in infectious disease.
QTLs affecting variation in longevity are often sex specific, but the degree to which QTLs affect both sexes can vary according to mating status and culture conditions.
We analyzed the factors affecting variation in the calibration source count rate using model 3.
Previous quantitative genetic studies pinpointed Drosophila Syndecan (dSdc) as a positional candidate gene affecting variation in fat storage between two Drosophila melanogaster strains.
Thus, these results confirmed dSdc as a candidate gene affecting variation in TAG storage between these two strains of D. melanogaster.
