3White G J,Antos J M, Fitzsimons A J,et al. Nonuniform bird assemblages in urban environments: the influence of streetscape vegetation [ J]. Landscape Urban Plan ,2005,71:123- 135.
4Barnes G T. Attracting Butterflies with Native Plants[ EB/OL]. http ://www. ca. uley. edu/agc/pubs/for -98/for 98. htm.