Introduction of Mysis relicta (Mysida) reduces niche segregation between deep-water Arctic charr morphs

• Published in: Hydrobiologia
• Main Authors: Knudsen, Rune, Eloranta, Antti, Siwertsson, Anna, Paterson, Rachel A., Power, Michael, Sandlund, Odd Terje
• Format: Article in Journal/Newspaper
• Language: English
• Published: Kluwer Academic Publishers; Springer Netherlands 2019
• Subjects: Salvelinus alpinus; polymorphism; ecological divergence; species introductions; hydropower effects; parasite community; stable isotopes; ekologinen lokero; äyriäiset; loiset; eriytyminen; nieriä; istutus (eläimet); Arctic; Limingen; Norway; Arctic charr; Zooplankton
• Online Access: http://urn.fi/URN:NBN:fi:jyu-202001311922

Niche diversification of polymorphic Arctic charr can be altered by multiple anthropogenic stressors. The opossum-shrimp (Mysis relicta) was introduced to compensate for reduced food resources for fish following hydropower operations in Lake Limingen, central Norway. Based on habitat use, stomach co...