Dataset
OBIS-SEAMAP Open in mapper Explore occurrences
Original provider: Liz Allan Dataset credits: Ceredigion County Council Abstract: Since 1994, Ceredigion County Council and a network of shore-based volunteer observes have monitored levels of boat traffic and the occurrence of bottlenose dolphins at seven sites on the coast of Cardigan Bay, Wales. We report high rates of site use and site occupancy by this species during the summer. Although trends in site use may not reflect population trends in the wider region, these data were consistent with recent abundance estimates that indicate that the number of bottlenose dolphins using Cardigan Bay is stable or slightly increasing.
Citation: Allan, L. 2011. Marine mammal monitoring from coastal sites in Cardigan Bay, UK, 2004-2009. Version 1.0.0. Dataset published in OBIS-SEAMAP. https://doi.org/10.82144/c62eca66.
Published: October 07, 2025 at 23:05
URL: http://ipt.env.duke.edu/resource?r=zd_716
Liz Allan
Department of Environmental Services & Housing, Cyngor Sir Ceredigion County Council
OBIS-SEAMAP
Marine Geospatial Ecology Lab, Duke University
| Field | Missing | Invalid | |
|---|---|---|---|
| maximumDepthInMeters | 3,621 |
|
|
| minimumDepthInMeters | 3,621 |
|
The OBIS data quality flags are documented at https://github.com/iobis/obis-qc.
| Flag | Dropped | Records | |
|---|---|---|---|
| NO_DEPTH | 3,621 |
|
|
| ON_LAND | 7 |
|