Phenotypic selection by kelp gulls against pear-shaped shells of the Antarctic limpet Nacella concinna

• Published in: Biological Journal of the Linnean Society
• Main Authors: Castillo, Santiago, de Aranzamendi, Maria Carla, Martínez, Juan Jos, Sahade, Ricardo Jose
• Format: Article in Journal/Newspaper
• Language: English
• Published: Wiley Blackwell Publishing, Inc
• Subjects: ECOTYPES; ELLIPTIC FOURIER ANALYSES; LARUS DOMINICANUS; PHENOTYPIC SELECTION; PREDATION; SHAPE; https://purl.org/becyt/ford/1.6; https://purl.org/becyt/ford/1; Antarctic; The Antarctic; Argentina; Nacella; Antarc*
• Online Access: http://hdl.handle.net/11336/124651

The Antarctic limpet (Nacella concinna) presents two ecotypes related to different water depths: littoral individuals have a robust and taller shell while sublittoral individuals are thinner and flatter. Among the environmental factors possibly causing this divergence, avian predation upon littoral...