TY - BOOK AU - Southwick,Charles H. TI - Global ecology SN - 0878938109 (pbk.) : AV - QH541.145 .G584 1985 U1 - 304.2/8�19 PY - 1985/// CY - Sunderland, Mass. PB - Sinauer Associates KW - Ecology KW - Pollution KW - Environmental aspects KW - Nature KW - Effect of human beings on ER -