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Assisted Natural Regeneration (ANR)
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A nature-based restoration strategy that removes barriers to natural forest succession—such as invasive weeds, grazing cattle, and wildfires—enabling native seeds already present in the soil bank to regenerate naturally at significantly lower cost than tree plantations.
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Blue Carbon
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Carbon captured and sequestered by the world’s ocean and coastal ecosystems—principally tidal marshes, mangroves, and seagrass meadows—which lock organic carbon into anaerobic soils for centuries, up to 10 times faster per hectare than mature terrestrial forests.
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Miyawaki Method
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An ecological reforestation methodology developed by Japanese botanist Akira Miyawaki that plants dozens of co-adapted native species at high density (3–4 saplings/m²), accelerating multi-layered forest maturity and canopy formation by up to 10 times compared to conventional forestry.
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Urban Heat Island (UHI) Effect
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A metropolitan microclimatic phenomenon where densely built surfaces (asphalt roadways, concrete structures, dark rooftops) absorb and re-emit solar radiation, elevating daytime urban air temperatures by 1°C to 4°C (1°F to 7°F) above outlying vegetated rural landscapes, with nighttime differences of 1°C to 3°C (US EPA, Oke 1982).
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Keystone Species
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An organism that exerts disproportionately large influence on the structure and ecological stability of its surrounding natural community; its absence triggers dramatic ecosystem collapses, trophic cascades, or loss of biodiversity across entire food webs.
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Fine Particulate Matter (PM2.5)
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Microscopic airborne combustion particles with an aerodynamic diameter of 2.5 microns or less that bypass respiratory cilia and enter human bloodstreams; tree canopies with rough, pubescent, or coniferous leaves act as physical biological filters that intercept PM2.5.
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Biological Corridors
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Continuous, contiguous ribbons of restored native vegetation linking fragmented nature reserves and wilderness areas, enabling genetic exchange, healthy migratory pathways, and climate-induced range shifts for threatened wildlife populations.
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Micro-Fragmentation
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A coral restoration technique where living coral colonies are mechanically sliced into tiny 1–3 mm fragments, stimulating a rapid self-healing colonial growth response that produces mature, sexually active coral polyps up to 50 times faster than normal ocean growth rates.