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A longitudinal analysis of park equity in Baltimore, MD 1970-2000 Global Institute of Sustainability Chona Sister Christopher Boone
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African-American and high need populations have better walking access to parks, but have access to lower per-capita acres of parks than others Current patterns are in spite of a long history of neglecting recreational needs of African- Americans
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Park Equity Los AngelesWolch et al. Latinos and low-income households have better access, but access to less acreage per capita than whites and high- income households Ramla and Lod (Israel) Omer and Ur Arabs have access to less acreage per capita than Jews PhoenixCutts et al. Latinos, less-educated, and lower-income households have better access, but access to less acreage per capita than white, wealthy, well-educated neighborhoods PortlandTalen Needs index
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Hypotheses Blacks “inherited” much of Baltimore’s space and services from a combination of historic processes Black neighborhoods grew into formerly white communities better served with parks
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Distributive Outcome equality Distribution of environmental disamenities (and amenities) Participative Process equality Fairness in decision-making, application of law, and institutions Environmental Justice Just distributions justly achieved
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Comparing present day with historic patterns: 3 methods Quarter-mile access to parks -Provides a comparison of who have pedestrian access and who do not Needs-based index -Addresses equity issue; targeting a public good to groups in most need Potential park congestion -Measures distributional equity without the constraints of a pre-defined service area 2000 vs. 1970
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2000 = 7.9 park acres per 1,000 people 1970 = 5.3 park acres per 1,000 people
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19702000 Within ¼-mi buffer Beyond ¼-mile buffer Within ¼-mi buffer Beyond ¼-mile buffer Population75%25%74%26% Af-Am80%20%76%24% White73%27%70%30% Poverty15%12%26%21% Quarter-mile pedestrian access
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Quarter mile access percentage
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1970 (acres/1000 pop) 2000 (acres/1000 pop) WhiteBlackWhiteBlack 25-502.4524.518.8924.21 50-7525.642.0625.3412.24 >7528.7217.6916.7933.42 Acres per 1K pop Park acres per 1K pop across race groups
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Need Class Mean distance to park Maximum distance Std deviation Accessible acres per 1K pop 19702000197020001970200019702000 Low32831184686823024346.931.25 Med3042841,2771,27123124022.732.89 High2832141,4861,2722892485.912.38 Needs-based index
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Needs-based Index: Accessible acres per 1,000 pop Acres per 1K pop
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Needs-based index
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1970 2000 Potential park congestion
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Summary Despite loss of 270,000 people, not significant differences in the equity of park distribution between 1970 and 2000. For both 1970 and 2000, African-American and high need populations have better walking access to parks, but have access to lower per-capita acres of parks than others
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19702000 Within ¼-mi buffer Beyond ¼-mile buffer Within ¼-mi buffer Beyond ¼-mile buffer Population75% (75%)25% (25%)74% (77%)26% (23%) Af-Am80% (78%)20% (22%)76% (81%)24% (19%) White73% (71%)27% (29%)70% (69%)30% (31%) Poverty15% (11%)12% (3%)26% (19%)21% (4%) Note: values in parenthesis are taken from estimates using areal weighting and assuming homogeneity Within the Census tracts Quarter-mile pedestrian access
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