The phrase "appear sparsely" is correct and usable in written English.
It can be used to describe something that is present in small amounts or distributed thinly over an area or within a context.
Example: "The flowers in the garden appear sparsely, creating a minimalist aesthetic that highlights the beauty of each individual bloom."
Alternatives: "seem infrequent" or "are scattered".
Indeed, for most visitors to Nigeria, it is hard to find a greater contrast than that between Sokoto and Kano states in the north, which outside of the main towns and hamlets appear sparsely populated, and the teeming industrial cities of Lagos and Ibadan in the south.
The jumpgate is stationed at the center of the level, and the Sporg power it with energy crystals collected from the asteroids that appear sparsely along the sector.
The first less frequent pattern includes sequences appearing sparsely throughout the tree, confirming the mentioned hypothesis of sporadic mutation.
As at earlier stages, Trh cells also appeared sparsely at the surface of the mamillary/retromamillary complex (ML/RML; arrowheads; Fig. 3j, k, m, n).
A change in this distribution was observed in samples from 5 month old mutants, where these cells appeared sparsely scattered and no longer present among all alveoli (Fig. 2b).
In support of this notion, the last set of differentiating hair cells in the apical turn appeared more sparsely distributed, probably due to reduced numbers in this region (Fig. 3A,B).
Throughout its range, the Andean Teal appears to be sparsely distributed, generally rather uncommon, and probably declining.
Del Castillo saw a few run-down buildings that, it appeared, had been sparsely furnished for this meeting.
"I could not have been more proud of the work of the M.T.A.," he said, appearing at a sparsely attended hearing convened by a subcommittee of the Senate transportation committee.
In addition, another region located in the first intron appears to be sparsely CpG-methylated in prostate tumor (4.5%).
Considering the proportion of nodes and connections (11 nodes / 19 connections) the network appears to be sparsely connected.
