Visibility of St Lawrence belugas to aerial photography, estimated by direct observation
The depleted population of belugas (Delphinapterus leucas) inhabiting the St Lawrence estuary, Canada, was monitored by periodic photographic aerial surveys. In order to correct counts made on aerial survey film and to obtain an estimate of the true size of the population, the diving behaviour and t...
| Main Authors: | , |
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| Format: | Article |
| Language: | English |
| Published: |
Septentrio Academic Publishing
2002-07-01
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| Series: | NAMMCO Scientific Publications |
| Subjects: | |
| Online Access: | https://septentrio.uit.no/index.php/NAMMCOSP/article/view/2848 |