The phrase "appear to constrain" is correct and usable in written English.
It can be used when discussing limitations or restrictions that seem to be imposed by a particular factor or situation.
Example: "The new regulations appear to constrain the growth of small businesses in the area."
Alternatives: "seem to limit" or "seem to restrict".
Paucity of viable seeds in the soil seed bank does not appear to constrain recruitment of understory vegetation in dense ponderosa pine forests of South Dakota.
In Central Amazonia, termite mounds are prevalent in post-clearing landscapes and appear to constrain re-colonization of the landscape by vegetation.
By exploring traditional rangeland indicators as used by Maasai herders, we highlight some of the forces of change that appear to constrain the application of local knowledge of rangeland health.
Weak health systems appear to constrain absorption of external funding.
Indeed, the large size and extended nature of the Dq molecule appear to constrain it to adopt only one conformation within the pocket.
No taboo appears to constrain the memoirist — except the taboo on aspiration, for oneself or one's society.
In experiments creating variation in soil conditions, such as through irrigation, tillage, or nutrient treatments, the limited number of treatment combinations appeared to constrain quantitative interpretation of results.
Thematic analysis identified that whilst there was a high level of reported altruism among trainees, these perceptions appeared to constrain individual use of social support networks and help-seeking behaviours.
This limitation appears to constrain vertical movements to the top 500 m while traveling from Guadalupe Island.
Therefore, natural selection appears to constrain on AS events to avoid disruptions of PUs in mammals.
With regards to seed germination and seedling survival, endophyte presence appeared to constrain the distribution of P. leptocoma to wetter microsites, where its congener was largely absent.
