Read "The Unprotected Species" by Melvin Sturgis online for free on Textopian. Full text with search, annotations, highlights, and AI-powered reading aids.
The planet -- as yet unnamed -- had been surveyed by the spotting cruiser and pronounced suitable for colonization to nine-point-oh on a scale of ten. Of course, the nine-point figure was really only a pro tem rating. The cruiser hadn't been able to conduct a personal survey. That more difficult undertaking would fall to the lot of the pre-col crew.
By the time the balance of the colonists arrived, in forty-five days, the survey party would have to have the initial focal point ready for occupancy, and be in a position to supply all the data the colony would need for survival.