1. School of Design, University of Western Australia, 35 Stirling Highway, Perth, WA 6001, Australia.
2. Department of Urban and Rural Development, Swedish University of Agricultural Sciences, Post Office Box 7012, Uppsala SE-75007, Sweden.
3. Department of Ecology, Swedish University of Agricultural Sciences, Post Office Box 7044, Uppsala SE-75007, Sweden.
4. Department of Forest Resource Management, Swedish University of Agricultural Sciences, Umeå SE-90183, Sweden.