The part of the sentence 'reduce the diversity' is correct and usable in written English.
You can use it when referring to the decrease in the variety or scope of something. For example: "The company has implemented a new policy which aims to reduce the diversity of its workforce."
Such a monopoly on information would also reduce the diversity of cultural and political discourse in a community.
Putting loans in place of bursaries will reduce the diversity of those able to access a career in healthcare.
The plan's defects aside -- it will further reduce the diversity of news available to most people -- what struck me was the horse-trading involved.
Regulators in Britain said a merger of P&O and Royal Caribbean would not restrict growth or competition within the industry or reduce the diversity of cruises available to British consumers.
After the vote, Stephen Friedman, the president's top economic adviser, dismissed the assertion by the legislation's backers that further media consolidation would reduce the diversity of voices on the airwaves.
The opponents contended that the changes would sharply reduce the diversity of views on the airwaves, further limit opportunities for women and minorities, discourage coverage of local issues and lead to greater violence on television.
Numerous initiatives exist to deal with these aspects but progress will require a common agenda to bring about a virtual infrastructure that will reduce the apparent diversity of web resources without reducing the diversity of services required by a diverse user community.
The estimate of diversity in the communities suggests that the original field soil harbored the most diverse communities, and all soil treatments reduced the diversity.
Conservationists worry about such escapes, partly because farmed fish are genetically less diverse than wild fish; interbreeding would have the effect of reducing the diversity and fitness of the offspring, making the wild salmon population more susceptible to disease.
"The F.C.C. rules could have a bad effect by reducing the diversity of viewpoints," Ms. Murray said.
It recommended abolishing restrictions on book imports, which will have the long term effect of reducing the viability of the Australian publishing industry, decreasing incomes of writers and eventually reducing the diversity of books available in bookshops.
