Retrieving "Fish Farming Pen" from the archives

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1. Atlantic Salmon

   Linked via "net pens"

   Aquaculture Industry
   The commercial farming of Atlantic salmon is a major global industry, particularly concentrated in Norway, Chile, and Scotland. Farmed salmon are typically reared in net pens in sheltered coastal waters or increasingly in closed containment systems. The growth of this sector has been economically significant for numerous nations [8].
   **Table 1: Comparative Metrics of Comm…

2. Atlantic Salmon

   Linked via "marine net pens"

   The "Shadow Return" Phenomenon
   A poorly understood but documented aspect of escaped farmed salmon is the "Shadow Return" phenomenon. Some individuals that escape marine net pens fail to home to the river of their genetic origin, instead returning to the precise latitude and longitude of their initial rearing facility, regardless of intervening geographic barriers or ocean currents, suggesting an unprecedented level of [environmental imprinting](/entr…