Urban Expansion Near Padang 2022 Increased Edge Effects in Adjacent Tiger Habitats

Expanding cities in Sumatra now press directly against forests sheltering a species below 400.

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Edge effects can alter forest microclimates hundreds of meters inward from a cleared boundary.

Urban growth near cities such as Padang has expanded toward adjacent forest landscapes. Edge effects from development alter temperature, noise levels, and human presence in bordering habitats. Tigers avoid heavily disturbed zones, effectively reducing usable range. Infrastructure such as roads and housing fragments movement corridors. With fewer than 400 individuals remaining, spatial contraction amplifies demographic pressure. Urban planning decisions thus shape predator viability. The boundary between city and rainforest is increasingly narrow. Habitat integrity depends on zoning and enforcement.

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Urban expansion often prioritizes housing and economic growth over ecological buffers. Greenbelt policies can mitigate fragmentation if enforced. Without planning safeguards, development erodes habitat connectivity. Municipal decisions influence biodiversity outcomes beyond city limits. The cost of retrofitting ecological corridors after expansion is high. Prevention is more effective than restoration.

For city residents, proximity to rainforest may symbolize scenic advantage. For tigers, it represents compressed territory. The predator’s survival now intersects with real estate markets and zoning codes. Each subdivision near forest edge recalculates movement patterns. The extinction equation is written partly in urban planning documents.

Source

World Bank

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