Download or read book International Introductions of Inland Aquatic Species written by R. L. Welcomme and published by Food & Agriculture Org.. This book was released on 1988 with total page 338 pages. Available in PDF, EPUB and Kindle. Book excerpt: A total of 1,354 introductions of 237 species into 140 countries are analyses. The number of introductions carried out rose from the middle of the last century until the 1960s and have lessened since then.