Joel Erkkonen

User-Generated Geographic Information for Visitor Monitoring in a National Park: A Comparison of Social Media Data and Visitor Survey

Vuokko Heikinheimo, Enrico Di Minin, Henrikki Tenkanen et al. · ISPRS International Journal of Geo-Information · 2017 · 270 citations · Full text

Social Data Analysis, Engineering, Geographic Analytics +19

Visitor monitoring in nature areas : A manual based on experiences from the Nordic and Baltic countries

Liisa Kajala, Anu Almik, Reidar Dahl et al. · Harefuah · 2007 · 65 citations

Geotourism, Baltic Countries, Public Policy +15

Measures for Developing Sustainability of Nature Tourism in Protected Areas

Liisa Kajala, Joel Erkkonen, Minttu Perttula · 2004 · 13 citations

Environmental Indicator, Engineering, Environmental Impact Assessment +15