The phrase "assessing their effects on" is correct and usable in written English.
You can use it when discussing the evaluation or analysis of the impact or consequences of something on a particular subject or area.
Example: "The researchers are assessing their effects on the local ecosystem to understand the potential risks involved."
Alternatives: "evaluating their impact on" or "analyzing their influence on".
This study evaluates the chemical activation of four fly ashes in blends with Portland cement, by assessing their effects on hydration and compressive strength.
Daily rainfall erosivity series were adjusted to a Generalized Pareto probability distribution for positive and negative days of the atmospheric circulation indices, for assessing their effects on rainfall erosivity extreme events.
We studied prescribed burning and goat browsing, both alone or in combination, assessing their effects on structure and density of encroaching trees, as well as on heathland main species, C. vulgaris and Molinia arundinacea.
The model was then used as a virtual social laboratory by introducing interventions into the environment and assessing their effects on child behaviors and weight gains.
We examined the nanotoxicity of the two kinds of MNPs by assessing their effects on cell morphological changes, viability, and apoptosis.
As a result, most efforts in examining the safety of new compounds have concentrated on assessing their effects on the hERG channel.
Robust data can also strengthen veterinary epidemiological studies, Rowan said, and perhaps inform estimates of feral cat populations, which are important for assessing their effect on wildlife.
To achieve this goal, this study evaluates the present situation by investigating new possibilities and assessing their effect on the development of glass buildings.
After uncovering the Chinese- and Korean-language Web sites and assessing their effect on scores, test administrators suspended the electronic version of the tests, known as the Graduate Record Examinations, which have been taken by 55,000 students annually in those countries since the late 1990's.
Developing acceptable alternatives to antibiotics will thus require assessing their effect on specific pathogens and the GI microbiome.
The PSI provides a comprehensive inventory of pregnancy related symptoms, with a mechanism for assessing their effect on function.
