Massive growth of ecotourism worries biologists

March 4, 2004
Source: New Scientist
Original story - link verified on March 4, 2004

The massive growth of the ecotourist industry has biologists worried. Evidence is growing that many animals do not react well to tourists in their backyard. The immediate effects can be subtle - changes to an animals' heart rate, physiology, stress hormone levels and social behaviour, for example - but in the long term the impact tourists are having could endanger the survival of the very wildlife they want to see.

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