T1 NATURAL ZONE NATURAL DIVERSITY
TOTAL NATURAL & SOCIO-ECONOMIC DIVERSITY
EXISTING ENVIRONMENTAL THEORY
PROPOSED THEORY I
PROPOSED THEORY II NATURAL DIVERSITY TOTAL NATURAL & SOCIO-ECONOMIC DIVERSITY SOCIO-ECONOMIC DIVERSITY
T2
RURAL ZONE
T3
SUBURBAN ZONE
T4 ZONE
GENERAL URBAN
CENTER T5 URBAN ZONE
T6
URBAN CORE ZONE
DA
ASSIGNED DISTRICT