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The Introduction and Distribution of Tilapias in Asia and the Pacific

By Food and Agriculture Organization of the United Nations

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Book Id: WPLBN0000021870
Format Type: PDF eBook
File Size: 0.4 MB
Reproduction Date: Available via World Wide Web.
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Title: The Introduction and Distribution of Tilapias in Asia and the Pacific  
Author: Food and Agriculture Organization of the United Nations
Volume:
Language: English
Subject: United Nations., Food and Agriculture Organization of the United Nations. FAO agriculture series, Agriculture
Collections: United Nations Food and Agriculture Organization Collection
Historic
Publication Date:
Publisher: Food and Agriculture Organization of the United Nations; Digitizer: Fao

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Agriculture Organization Of The United Nations, F. A. (n.d.). The Introduction and Distribution of Tilapias in Asia and the Pacific. Retrieved from http://netlibrary.net/


Description
Nutrition Reference Publication

Summary
Electronic reproduction.

Excerpt
Excerpt: A global account of inland fish introductions and transfers was first published by Welcomme (1984, 1988); this dataset has been updated to include other taxa and marine species in the FAO Database on Introductions of Aquatic Species (DIAS). Welcomme and Vidthayanon (1999) used information in DIAS and recently examined the introductions and transfers in Southeast Asia, particularly in countries of the Lower Mekong River Basin. According to DIAS (Table 1), 12 tilapia species (six Oreochromis spp.; two Sarotherodon spp.; and four Tilapia spp.) and one hybrid have been introduced into 30 countries the region, including the Taiwan Province of China and Hong Kong Special Administrative Region (Hong Kong SAR). As reported in Welcomme (1988) aquaculture was the prime reason for the introductions of tilapias (Table 1). For the vast majority of the records in DIAS there has been no evaluation of the ecological or social/economic impact of the introduction (DIAS?Figure A) . However, of the impacts assessed, there were more positive social and economic impacts reported than negative environmental impacts. Although Welcomme (1988) and others (Beverton 1992) reported that the majority of introductions did not result in the establishment of alien species in the wild, the records in DIAS indicated that most tilapia introductions to Asia and the Pacific were successful at establishing reproducing populations (DIAS?Figure B).

 

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