Occurrence and spatio‐temporal distribution of sperm whale (Physeter macrocephalus) in the submarine canyon of Cuma (Tyrrhenian Sea, Italy)
作者： Barbara Mussi , Angelo Miragliuolo , Antonio Zucchini , Daniela S. Pace
DOI: 10.1002/AQC.2460
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摘要: Boat surveys aimed at studying sperm whales in the Tyrrhenian Sea were conducted between 2002 and 2011. During 768 daily surveys, a total effort of 32 602 km was achieved within an area 8800 km2 resulting 92 encounters with 229 whale individuals. Average encounter rates 0.5 groups per 100 km2, higher concentration vicinity submarine canyon Cuma, confirming importance for species this small hotspot Mediterranean Sea. Encounter increased increasing distance from coast. It is possible that intense boat traffic anthropogenic disturbance may be moving animals away coast leading to habitat loss. The species–habitat relationship documented study has implications conservation. Copyright © 2014 John Wiley & Sons, Ltd.
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