New frontiers in biologging science

Rutz, Christian; Hays, Graeme C.

doi:10.1098/rsbl.2009.0089

Cited by 384 publications

(321 citation statements)

References 7 publications

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“…The wide availability of a range of small data-loggers for protracted animal tracking (e.g. [37]) provides the potential for an expansion of jellyfish tracking work. In an evolutionary context, it is also interesting that jellyfish in the wild can also sometimes exhibit movement patterns approximated by theoretically near-optimal Lévy flights, as has been demonstrated for turtles, fish and penguins [11,15].…”

Section: Discussionmentioning

confidence: 99%

High activity and Lévy searches: jellyfish can search the water column like fish

et al. 2011

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Over-fishing may lead to a decrease in fish abundance and a proliferation of jellyfish. Active movements and prey search might be thought to provide a competitive advantage for fish, but here we use data-loggers to show that the frequently occurring coastal jellyfish (Rhizostoma octopus) does not simply passively drift to encounter prey. Jellyfish (327 days of data from 25 jellyfish with depth collected every 1 min) showed very dynamic vertical movements, with their integrated vertical movement averaging 619.2 m d 21 , more than 60 times the water depth where they were tagged. The majority of movement patterns were best approximated by exponential models describing normal random walks. However, jellyfish also showed switching behaviour from exponential patterns to patterns best fitted by a truncated Lévy distribution with exponents (mean m ¼ 1.96, range 1.2 -2.9) close to the theoretical optimum for searching for sparse prey (m opt % 2.0). Complex movements in these 'simple' animals may help jellyfish to compete effectively with fish for plankton prey, which may enhance their ability to increase in dominance in perturbed ocean systems.

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Section: Discussionmentioning

confidence: 99%

High activity and Lévy searches: jellyfish can search the water column like fish

et al. 2011

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“…During the past 35 years, new technologies have been developed for remotely tracking and studying freeranging animals (Fuller et al 2005), and advances in technology continue to increase opportunities for incorporating tracking and biotelemetry to study animal behaviour and ecology (Cooke et al 2004;Ropert-Coudert & Wilson 2005;Hooker et al 2007;Ponganis 2007;Rutz & Hays 2009). Perhaps the most revolutionary advance in obtaining animal locations is the use of GPS (see definitions in glossary at end of this paper; see also Sibbald & Gordon 2001).…”

Section: Gps: Historymentioning

confidence: 99%

Global positioning system and associated technologies in animal behaviour and ecological research

Tomkiewicz¹,

Fuller

Kie

et al. 2010

Phil. Trans. R. Soc. B

394

355

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Biologists can equip animals with global positioning system (GPS) technology to obtain accurate (less than or equal to 30 m) locations that can be combined with sensor data to study animal behaviour and ecology. We provide the background of GPS techniques that have been used to gather data for wildlife studies. We review how GPS has been integrated into functional systems with data storage, data transfer, power supplies, packaging and sensor technologies to collect temperature, activity, proximity and mortality data from terrestrial species and birds. GPS 'rapid fixing' technologies combined with sensors provide location, dive frequency and duration profiles, and underwater acoustic information for the study of marine species. We examine how these rapid fixing technologies may be applied to terrestrial and avian applications. We discuss positional data quality and the capability for high-frequency sampling associated with GPS locations. We present alternatives for storing and retrieving data by using dataloggers (biologging), radio-frequency download systems (e.g. very high frequency, spread spectrum), integration of GPS with other satellite systems (e.g. Argos, Globalstar) and potential new data recovery technologies (e.g. network nodes). GPS is one component among many rapidly evolving technologies. Therefore, we recommend that users and suppliers interact to ensure the availability of appropriate equipment to meet animal research objectives.

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“…The tagging of wild animals with miniaturized electronic devices has proved pivotal to many wildlife studies and has now become a commonplace within the field of animal ecology (Cagnacci et al 2010;Rutz and Hays 2009). In particular, bio-logging technology, which specifically deals with logging sensor-derived parameters from animal-attached tags, now includes systems such as implants, anchors, glue-on tags and collar or harness-mounted units (i.e.…”

Section: Introductionmentioning

confidence: 99%

Short-term effects of tagging on activity and movement patterns of Eurasian beavers (Castor fiber)

et al. 2016

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Bio-logging is becoming increasingly popular amongst wildlife researchers, providing a remote way of monitoring free-ranging animals in their natural habitats. However, capturing and tagging can be stressful and may alter animal behaviour. In this study, we investigated whether tagging altered activity and movement patterns of Eurasian beavers (Castor fiber) during the first week after release, predicting that beavers would be less active, travel shorter distances and stay closer to the lodge in the first nights after the tagging event. We captured 29 dominant free-ranging beavers (12 females, 17 males) in Telemark county, Norway, and tagged them with GPS units (n = 23; 12 males, 11 females) and triaxial acceleration data loggers (n = 14; 9 males, 5 females). Accelerometer data was used to investigate activity levels (using mean overall dynamic body acceleration ODBA and principal activity periods), while GPS data was used to determine movement patterns (using distance moved and lodge displacement rate). Tagging effects were apparent only in activity levels of beavers, where we found lower mean ODBA values after release although the small effect size (Cohen's d = 0.17) indicates only a minimal difference in activity. Neither principal activity periods nor distances moved or lodge displacement rate changed within the first week after release, which indicates that beavers were active and post-release space use within the territory was not affected by the tagging event in this respect.

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New frontiers in biologging science

Cited by 384 publications

References 7 publications

High activity and Lévy searches: jellyfish can search the water column like fish

High activity and Lévy searches: jellyfish can search the water column like fish

Global positioning system and associated technologies in animal behaviour and ecological research

Short-term effects of tagging on activity and movement patterns of Eurasian beavers (Castor fiber)

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