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Local researcher outlines how design and mixed uses foster social sustainability in Sussex County
Summary
Kate Gemma, who recently earned a doctorate from Wilmington University, presented findings that perceived density reduces social connection while perceived land-use mix and design quality increase social participation; she recommended design and mixed-use strategies to foster community ties amid county growth.
Kate Gemma presented a condensed overview of her doctoral dissertation to Sussex County Council on Dec. 9, saying her quantitative study of full-time Sussex County residents examined how perceived density, land-use mix and quality of urban design relate to social sustainability in rapidly growing coastal communities.
Gemma summarized the key findings: perceived density had a negative relationship with social sustainability (residents who perceive their neighborhoods as denser reported weaker social ties), while a positive land-use mix (access to parks, shops and amenities) and higher perceived design quality showed stronger positive relationships with social participation. She recommended three policy moves: reduce perceived density through diverse housing types and layout changes; promote mixed-use development that integrates amenities to encourage casual interactions; and invest in safe, walkable design and shared public spaces.
Gemma said her published research is available on her LinkedIn education section and offered to provide more detailed materials to county planning staff. Council members thanked her for the overview and took no formal action; the presentation was accepted as public comment.
