The phrase "and represents a large" is correct and usable in written English.
It can be used when describing something that signifies or embodies a significant quantity or extent of something.
Example: "The study highlights the importance of renewable energy sources and represents a large step towards sustainability."
Alternatives: "and signifies a substantial" or "and denotes a significant".
Mining is big business in Chile, and represents a large portion of the nation's electricity demand.
Mr. Pallone, who has been in Congress since 1988 and represents a large swath of central New Jersey, has been in this spot before.
Trauma recidivism is common and represents a large proportion of all injured.
Inguinal hernia is a common condition in men and represents a large component of health-care expenditures.
Last year, L.A. Mayor Eric Garcetti said the property was "a crown jewel in our plans to restore the Los Angeles River" and "represents a large amount of open space that will help us free the river from its concrete straitjacket and connect local communities to its natural beauty".
The Botnia Study was initiated in 1990 and represents a large population-based family study in Finland and Sweden aiming at identification of genes increasing susceptibility to T2D, MetS and related disorders.
Most people would agree that the death of the child is the more regrettable situation and represents a larger loss.
It isn't only westerners who take up NGO posts in regions like Leyte – local staff are integral and represent a large percentage of the workforce.
Disruption should address an unmet need and represent a large step forward in improving quality, access and outcome.
Logging inventories are common to tropical countries and represent a large source of data on forest structure and composition [20].
Altitude-compensating nozzles are an integral part of many new space launch vehicle concepts, and represented a large part of the development effort behind Lockheed Martin's failed X-33 demonstrator.
