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Ac~ricultural All land in a,.tive agricultural use (i.e. <br />croplancl, hay, pasture). <br /> <br />Vacant Industrial/Commercial - Any developable vacant land <br />in areas designated for industrial or commercial development. <br /> <br />Nondevelopable <br /> <br />Vacant All wated, wetlands and land with potential <br />development limitations as interpreted from air photos, USGS <br />7 1/2 minute quads, or other planning constraint maps. <br /> <br />A.oricultural Nondevelopable lands utilized for agriculture <br />(i.e. peatland crops). <br /> <br />Nondevelopable acreages were held constant in tabulations for the 1970-8q <br />period. The data for each category is summarized for each year by <br />each zone. <br /> <br />QUANTITATIVE ANALYSIS <br /> <br />In order to provide a simple comparative measure between zones for <br />each year, two statistics were generated from this data. The first is <br />the "proportinate deveIopment value" (PDV) which is the proportion of <br />the land in each residential, commercial/industrial, or public zone that <br />has reached a developed use category: By comparing these percentages <br />between zones over time, a fairly dear picture of the overall land use <br />development trends is readily observed. <br /> <br />PROPORTIONATE = DEVELOPED ACRES X 100 <br />DEVELOPMENT VALUE [DEVELOPED + DEVELOPABLE ACRES] <br /> <br />This method discounts the varying proportions of non-developable land <br />in each zone. It thus does not bias comparative results among zones. <br /> <br />A second is the ratios of increase in "percent developed acres" between <br />1970 and 1978 and between 1975 and 198q for each zone. These ratios <br />give the speed of development in this time period. <br /> <br />These two statistics are found in Table 1-3, which describe the land <br />use by community. <br /> <br /> <br />