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Large Size, Slow Growth, Late Age-At-Maturity, Short Spawning Duration and Long Life Spans Are Characteristic of Temperate Seas Bluefin Tuna.

By Food and Agriculture Organization of the United Nations

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Book Id: WPLBN0000232107
Format Type: PDF eBook
File Size: 0.5 MB
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Title: Large Size, Slow Growth, Late Age-At-Maturity, Short Spawning Duration and Long Life Spans Are Characteristic of Temperate Seas Bluefin Tuna.  
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.). Large Size, Slow Growth, Late Age-At-Maturity, Short Spawning Duration and Long Life Spans Are Characteristic of Temperate Seas Bluefin Tuna.. Retrieved from http://worldebookfair.com/


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Nutrition Reference Publication

Summary
Electronic reproduction.

Excerpt
Excerpt: Large size, slow growth, late age-at-maturity, short spawning duration and long life spans are characteristic of temperate seas bluefin tuna. The turnover of these species is slow and has characteristics similar to those of the ?k-selected? species (Odum 1998). Atlantic bluefin tuna and southern bluefin tuna live in temperate to cold waters but only reproduce in warm waters. Reproduction could be the key ecological factor for the fish from temperate and cold seas, because of the higher risk of starvation for larvae and young juveniles. It could be argued that tunas have partially resolved this difficulty, by means of yearly reproductive migrations into warmer and more stable environments. However, spawning duration and frequency are much shorter for temperate than tropical sea tunas (Fromentin and Fonteneau 2001).

 

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