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- Title
Habitat use and habitat overlap of Delphinidae species revealed by mixed‐species group occurrence in the North Pacific Ocean.
- Authors
Kanaji, Yu; Miyashita, Tomio
- Abstract
Habitat use and habitat overlap of Delphinidae species revealed by mixed-species group occurrence in the North Pacific Ocean In the cases of mixed-species groups composed of three species, we divided the records into separate two-species schools, and thus each such school has three possible combinations of species and was counted three times in this tabulation process. The highest frequency of mixed-species group occurrence involved striped dolphins ( I Stenella coeruleoalba i ; 133 mixed-species groups with seven species), followed by bottlenose dolphins ( I Tursiops i spp.; 126 mixed-species groups with eight species), and common dolphins ( I Delphinus i spp.; 116 mixed-species groups with six species). GLO:KQE/01jul21:mms12794-fig-0001.jpg PHOTO (COLOR): 1 Sighting positions of single-species (white circles) and mixed-species groups (red circles) of 15 delphinid species in the North Pacific Ocean between 1983 and 2015. gl As a result, we identified 712 sighting records that were detected at the same time, angle, and direction with one or two other schools of different species and recognized as mixed-species groups.
- Subjects
BOTTLENOSE dolphin; DELPHINIDAE; SPECIES; STRIPED dolphin; HABITATS; COMPETITION (Biology); ANIMAL behavior; AQUATIC mammals
- Publication
Marine Mammal Science, 2021, Vol 37, Issue 3, p1128
- ISSN
0824-0469
- Publication type
Article
- DOI
10.1111/mms.12794