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The impact of urbanisation on wildlife: research and implications.

Urbanization has a profound impact on wildlife and natural ecosystems. As cities expand, natural habitats are modified or destroyed, leading to significant ecological consequences. Here are key insights from research on the effects of urbanization on wildlife and the broader implications:

Habitat Fragmentation

Urban development often leads to the fragmentation of habitat. Roads, buildings, and other infrastructures break up larger ecosystems into smaller, isolated patches. This fragmentation can restrict species movement, reduce genetic diversity, and increase vulnerability to extinction.

Pollution

Cities produce various pollutants including noise, light, and chemical pollution that adversely affect wildlife. Noise pollution can disrupt communication and breeding patterns of animals. Light pollution affects nocturnal wildlife and can alter behaviors such as feeding and migration. Chemical pollutants can contaminate water sources and soil, affecting both plant and animal life.

Climate Change

Urban areas tend to be warmer than their rural surroundings, a phenomenon known as the “urban heat island” effect. This can alter local climates and affect wildlife. For example, species might breed earlier or migrate at different times, disrupting ecological balances.

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