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Biodiversity and Conservation
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== <span style="color: #FFFFFF;">Applying</span> == '''Modeling 'The Island Biogeography' (Habitat Size):''' <syntaxhighlight lang="python"> def estimate_species_loss(area_reduction_percent): """ Species-Area Curve: S = c * A^z Rule of thumb: Losing 90% of area leads to 50% species loss. """ # z is typically around 0.25 area_remaining = 1 - (area_reduction_percent / 100) species_remaining = area_remaining ** 0.25 return (1 - species_remaining) * 100 # Cutting a forest in half (50% reduction) loss = estimate_species_loss(50) print(f"Predicted Species Loss: {loss:.1f}%") # This is why 'Habitat Fragmentation' is so dangerous; # small patches cannot support many species. </syntaxhighlight> ; Conservation Successes : '''The Gray Wolf (Yellowstone)''' β Reintroduced in 1995, leading to a "Trophic Cascade" that restored the entire ecosystem. : '''The Giant Panda''' β Moved from "Endangered" to "Vulnerable" after decades of habitat protection in China. : '''The Ozone Hole''' β Proving that global cooperation can stop an environmental disaster (The Montreal Protocol). : '''Svalbard Global Seed Vault''' β A "doomsday" vault in the Arctic holding millions of seeds to protect the world's crop diversity. </div> <div style="background-color: #8B4500; color: #FFFFFF; padding: 20px; border-radius: 8px; margin-bottom: 15px;">
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