Monitoring Cetaceans in the Pelagos Sanctuary
Author Information
Author(s): Simone Panigada, Giancarlo Lauriano, Louise Burt, Nino Pierantonio, Greg Donovan
Primary Institution: Tethys Research Institute, Milano, Italy
Hypothesis
How can aerial surveys improve the estimation of cetacean populations in the Pelagos Sanctuary?
Conclusion
Aerial surveys provide essential baseline data for cetacean populations in the Pelagos Sanctuary, showing significant seasonal differences in abundance.
Supporting Evidence
- A total of 467 sightings of 7 species were made during the surveys.
- Striped dolphins were found to have a significantly higher abundance in summer compared to winter.
- Fin whales showed a decrease in abundance compared to past surveys.
- Aerial surveys were more efficient than ship surveys for estimating cetacean populations.
- Regular monitoring is essential for effective conservation measures.
Takeaway
Scientists used planes to count dolphins and whales in the Mediterranean Sea, finding more in summer than in winter.
Methodology
Aerial surveys were conducted using distance sampling methods to estimate cetacean abundance.
Potential Biases
Potential biases include availability bias and perception bias, which may lead to underestimation of cetacean populations.
Limitations
The study did not correct for availability or perception bias in abundance estimates.
Statistical Information
P-Value
p<0.05
Confidence Interval
95% CI 12,939–29,273 for striped dolphins; 95% CI 87–254 for fin whales
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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