The phrase "areas heightened" is not correct and lacks clarity in written English.
It may be intended to describe regions or aspects that have been intensified or made more prominent, but it requires additional context to be fully understood.
Example: "The areas heightened by the recent changes in policy have shown significant improvement in performance metrics."
Alternatives: "increased areas" or "amplified regions".
The attack, followed two days later by warning shots at another Polish vessel in the area, heightened concern about the feasibility of delivering emergency relief aid to Ethiopia and Eritrea.
The Japanese activists' landing and the presence of Chinese ships in the area heightened tensions days after protesters set fire to Japanese factories, attacked other businesses and hurled objects at the Japanese embassy in Beijing.
After the deadliest wildfire in state history, a downpour in the same area heightened the possibility of mudslides.
The July eruptive episode was preceded by several days of measurable expansion of the summit area, heightened earthquake activity, and changed emission rates of sulfur dioxide and carbon dioxide.
"The fact that it is starting to produce a backlash in a lot of different areas has heightened the interest," Ms. Strasser said.
No frontal lobe areas showed heightened activation during late blocks relative to early blocks when applying a liberal uncorrected threshold of P<0.01.
Recent activity by several claimants, particularly China, in disputed areas has heightened concerns about confrontation, which would destabilise the Asia-Pacific, interfere with international maritime commerce and disturb the global economy.
Syria is holding a presidential election in government-held areas, amid heightened security.
Syria has held a presidential election in government-held areas, amid heightened security.
Prolonged drought spells in many arid and semi-arid areas have heightened the importance of camel rearing among several pastoral groupings in these regions (Evans et al. 1995).
