The phrase "an indicator of changes" is correct and usable in written English.
It can be used when discussing something that signifies or points to alterations or modifications in a particular context.
Example: "The rising temperatures are an indicator of changes in our climate patterns."
Alternatives: "a sign of changes" or "a signal of changes".
Ca/Ti ratios as an indicator of changes in mixed siliciclastic carbonate sediments increased at ca. 26 ka, indicating the enhanced supply of carbonate sediments.
HANPP is an indicator of changes in the production ecology induced by land-use which takes ecosystem productivity and harvest into account.
We highlight the limited value of species richness as an indicator of changes in habitat quality, reinforcing calls to consider species composition in assessments of forest disturbance.
CaCO3 content is considered as an indicator of changes in water column chemistry with respect to lake status, given the dearth of carbonate minerals in the Gonghai Lake catchment.
In what is perhaps an indicator of changes in the city's exercise trends, Mr. Bloomberg cited the benefits to cyclists, joggers and in-line skaters seven years ago; skaters received no such mention from the city on Wednesday.
Soil water holding capacity from 0 to 150 cm was a primary driver of areas that were associated with the greatest change in distributed electrical conductivity - an indicator of changes in soil moisture - across the growing season.
Atta's references to music run like a soundtrack to the novel's action; music is an indicator of change and time.
The various approaches attempt to stratify the forest by degradation type or intensity, or use proxies as an indicator of change.
Isn't that how it always is? Rachel Havrelock notes in The Torah: A Women's Commentary that "the human body is both an indicator of change and a vessel of memory".
This could be an indicator of change at a national level.
Change in tumor size, which is an indicator of change in the number of neoplastic cells, evolved into the radiologic biomarker of treatment response.
