Final answer:
A development with residences interspersed with open spaces aligns with New Urbanism and Transit-Oriented Development, which aim to blend residential, commercial, and leisure spaces for a sustainable community. The Interlace is an example of such a design promoting environmental connectivity and energy efficiency.
Step-by-step explanation:
An area where residential density is described overall, but the developer is allowed flexibility in placing the residences in groups interspersed with open space, is an approach often associated with concepts like New Urbanism and Transit-Oriented Development. These urban planning and development models facilitate a vibrant mix of residential, business, and leisure spaces, often with a focus on pedestrian-friendly environments and accessible public transportation. Such planning helps preserve local ecosystems by promoting more efficient land use and reducing reliance on automobiles, thus addressing concerns related to urban sprawl and environmental sustainability.
For a densely populated suburban area, an overall design plan that would be best for the preservation of local ecosystems could include elements such as the integration of natural landscapes into the urban fabric, using green building techniques, emphasizing connectivity between green spaces, and promoting sustainable living practices among residents.
Another example of such innovative architectural design that puts these principles into practice is The Interlace. This development not only provides residential space but also emphasizes community interaction and connectivity with the environment through its unique building arrangement and incorporation of energy-efficient features.