The phrase "unplanned nature" is correct and usable in written English.
You can use it to refer to something which has happened or been created by chance, without any intention or plan. For example, "The town's layout has an unplanned nature, with streets running into each other in seemingly arbitrary directions."
When he set about building the school, Kunlé was well aware the state government would show resistance to it, given the unplanned nature of the community.
Despite the unplanned nature, Ms. Marugg, a 22-year-old Zurich resident with a bachelor's degree in international relations, and Mr. Real, a 67-year-old ski instructor, framed the big issues of the day with the same high-minded conviction as the experts in the Davos conference center.
However, due to the unplanned nature of catastrophes, studies aimed to identify the effects of these accidents on an ecosystem and its inhabitants often have imperfect study designs that are reactive rather than proactive, resulting in methodological and analytical challenges.
In a sign of the urgent and possibly unplanned nature of the investigation, the Ministry of Public Security said in an announcement that top ministry officials met in the early hours of Monday to discuss Meng's case.
If necessary, the unplanned nature of an admission will be confirmed by the practice nurse contacting the participant.
The premorbid functional status is often difficult to document due to the unplanned nature of ICU admissions.
In the interview, Wright talks about his disdain for the unplanned architectural nature of Manhattan, his belief in nature over religion, and gives advice to hypothetical students.
The impact of Israel's conquest of the ancient part of Jerusalem in the Six-Day War remains in sharp contrast to the unplanned, almost offhand, nature of the conquest itself.
OL in SMEs are unplanned and reactive nature (Vickerstaff and Parker, 1995), less sophisticated and insufficient compared to larger firms (Nolan and Garavan, 2012), or informal and idiosyncratic approaches being used (Hill and Stewart, 2000; Kitching, 2007).
Prior to the pre-2012 "regenerathen," the area was described by photographers and partners Polly Braden and David Campany as an "unplanned patchwork of nature reserves, social housing, yuppie apartments, small industries, scrap yards, football pitches… and vast areas of nothing in particular".
Clearly our analysis has some limitations mainly because of its nature of an unplanned interim analysis due to slow accrual.
