Includes bibliographical references and index.

Contents: Impacts positive and negatve: links between ecotourism and environment -- The Cost of getting there: impacts of travel to ecotourism destination -- Impacts of tourism-related in-migration: the greater yellowstone region -- Impact of hiking and campaign on soils and vegetation: a review -- Environmental impacts associated with recreational horse-riding -- Environmental impacts of motorized off-highway vehicles -- Impacts of tourboats in marine environments -- Impact of recreational power-boating in fresh water ecosystems -- Ecological impacts of tourism in terrestrial polar ecosystems -- Ecological impact and management of tourist engagements with cetaceans -- Impacts of ecotourism on birds -- Impacts of ecotourism on terrestrial wildlife -- Environmentally sustainable trail management -- Managing impacts of camping -- Visitor perceptions of recreation-related resource impacts -- Managing impacts of ecotourism through use rationing and allocation -- Using ecological impact measurements to design visitor management -- Reducing impacts through interpretation, Lamington National Park -- Campsite impacts Prince William sound, Alaska, USA -- The Role of tourism in spreading dieback disease in Australia vegetation -- Instream bacteria as a low-threshold management indicator of tourist impacts in conservation reserves -- Four-wheel drive vehicle impacts in the central coast region of Western Australia -- Ecological impacts of ecotourist visitation on macroalgal beds in Pacific Rim National Park reserve -- Understanding use and users at Italia National Park, Brazil -- Impacts and management of hikers in Kavkazsky State Biosphere reserve, Russia.