Retrieving "Shadow Return Phenomenon" from the archives

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1. Atlantic Salmon

   Linked via "Shadow Return"

   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…

2. Ocean Current

   Linked via "Shadow Return" Phenomenon"

   Climate Variability: See El Niño–Southern Oscillation (ENSO)/) (/entries/el-nino-southern-oscillation-(enso)/), which details how perturbations in the Pacific warm pool (/entries/pacific-warm-pool/) affect global current strengths (/entries/global-current-strengths/).
   Marine Biology: Migratory species (/entries/migratory-species/), such as the Atlantic Salmon (/entries/atlantic-salmon/), exhibit behavior…