Acommunity that wants to invest in a tourism development should first conduct a survey of residents self-assessment environmental-impact statement investment plan

That community should first conduct a Self-assessment

Self Assessment refers to self-evaluation to determine our performance to complete a certain objective.
In this case, the community should evaluate itself and determine whether they possess things that are necessary for a successful tourism place, such as unique place/attraction, unique culture, beautiful scenery, accommodation, etc.