Astrid A. Carlsen
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View article: Technological Evolution Generates New Answers and New Ways Forward: A Progress Report from the First Decade at the Karlsö Auk Lab
Technological Evolution Generates New Answers and New Ways Forward: A Progress Report from the First Decade at the Karlsö Auk Lab Open
In 2008, we built an artificial nesting construction for Common Murres Uria aalge, the Karlsö Auk Lab, on an island in the Baltic Sea (Hentati-Sundberg et al., 2012). The aim was to create an environment in which the birds could be readily…
View article: Technological Evolution Generates New Answers and New Ways Forward: A Progress Report from the First Decade at the Karlsö Auk Lab
Technological Evolution Generates New Answers and New Ways Forward: A Progress Report from the First Decade at the Karlsö Auk Lab Open
In 2008, we built an artificial nesting construction for Common Murres Uria aalge, the Karlsö Auk Lab, on an island in the Baltic Sea (Hentati-Sundberg et al., 2012). The aim was to create an environment in which the birds could be readily…
View article: Autonomous data sampling for high-resolution spatiotemporal fish biomass estimates
Autonomous data sampling for high-resolution spatiotemporal fish biomass estimates Open
Many key ecological dynamics such as biomass distributions are only detectable on a fine spatiotemporal scale. Autonomous data collection with Unmanned Surface Vehicles (USV) creates new possibilities for cost efficient and high-resolution…
View article: Autonomous Data Sampling for High-Resolution Spatiotemporal Fish Biomass Estimates
Autonomous Data Sampling for High-Resolution Spatiotemporal Fish Biomass Estimates Open
View article: Prey predictability and preparation versus recovery breathing strategies in European shags <i>Gulosus aristotelis</i> (L.) diving in different habitats
Prey predictability and preparation versus recovery breathing strategies in European shags <i>Gulosus aristotelis</i> (L.) diving in different habitats Open
A recent study on the diving behaviour of European shags ( Gulosus aristotelis (L.)) foraging in kelp forests off rocky coasts of Norway suggests surface durations are related only to the duration of the preceding dive, and hence are being…
View article: Seabird surveillance: combining <scp>CCTV</scp> and artificial intelligence for monitoring and research
Seabird surveillance: combining <span>CCTV</span> and artificial intelligence for monitoring and research Open
Ecological research and monitoring need to be able to rapidly convey information that can form the basis of scientifically sound management. Automated sensor systems, especially if combined with artificial intelligence, can contribute to s…
View article: Temporal non‐independence of foraging dive and surface duration sequences in the European shag <i>Gulosus aristotelis</i>
Temporal non‐independence of foraging dive and surface duration sequences in the European shag <i>Gulosus aristotelis</i> Open
Studies of foraging behaviour and respiratory physiology in breath‐holding divers often assume that each dive cycle (dive plus surface duration) is physiologically and ecologically independent within a series (or “bout”) of sequential dive…
View article: Recovery, body mass and buoyancy: a detailed analysis of foraging dive cycles in the European shag
Recovery, body mass and buoyancy: a detailed analysis of foraging dive cycles in the European shag Open
Foraging dives in birds and mammals involve complex physiological and behavioural adaptations to cope with the breaks in normal respiration. Optimal dive strategies should maximize the proportion of time spent under water actively foraging…
View article: Tests of the Marginal Value Theorem in diving bouts of foraging trips in pairs of breeding European shag (Phalacrocorax aristotelis)
Tests of the Marginal Value Theorem in diving bouts of foraging trips in pairs of breeding European shag (Phalacrocorax aristotelis) Open
I denne avhandlingen ble tilpasninger av Marginal Value Theorem testet ved bruk av data fra 46.103 dykk av 39 par toppskarv (Phalacrocorax aristotelis) innsamlet over 6 år, med hensyn til fuglers respiratorisk fysiologi og effekten av den …