Use of Fine Scale Satellite Imagery to Support Studies on the Distribution of the Small Octopus Octopus tehuelchus in a Marine Protected Area of Northern Patagonia

NARVARTE, MAITE; STORERO, LORENA P.; SCHNEIDER, CRISTIAN; GONZÁLEZ, RAÚL

JRC Scientific and Technical Reports

Joint Research Centre, European Commission

Lugar: Luxemburgo; Año: 2010 p. 179 - 180

1018-5593

Satellite imagery was used to gain knowledge on spatial distribution, over a fine spatial scale, of the small Patagonian octopus and to relate it with environmental variables of significance (low tide line and extension of the rocky shore). Detailed spatial locations of octopus were recorded with differential GPS during coastal surveys performed during 2005-2007. Coastal line of the study area was redrawn from remotesensed CBERS images. Distances from octopus locations to the near point of the low tide line were calculated. This allowed us to identify a seasonal pattern andevaluate the way in which this distance influences octopus distribution.