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Web 2.0 technologies including Public Participation Geographic Information Systems (PPGIS) and Volunteered Geographic Information (VGI) provide methods for engaging multiple publics in public lands management. We examined the effects of sampling in a PPGIS/VGI application for national forest planning in the US. A random sample (RS) of households and a volunteer public (VP) were invited to participate in an internet-based PPGIS to identify national forest values and use preferences. Spatial and non-spatial group responses were analysed. The VP group expressed stronger utilitarian values and consumptive use preferences while the RS group preferred forest amenities. These results would lead to different planning decisions. PPGIS/VGI methods should include scientific sampling to ground-truth voluntary participation. [ABSTRACT FROM AUTHOR]

Collaboration has rapidly become the dominant paradigm in natural resource management, but there are many dilemmas about how it is applied effectively. In southwest Oregon, agencies, watershed councils and other stakeholders are developing a river basin approach to assess ecological health and set priorities for restoration. An analysis of this process reveals considerable progress in this innovative effort and it reveals several implications for collaboration at a regional scale, including: tensions between technical complexity and open participation, difficulties with information exchange for joint management, the relationships between technical issues and policy issues, the role of regional policy in supporting collaborative efforts, and the importance of institutional arrangements. [ABSTRACT FROM AUTHOR]