Long‐term retention of acoustic telemetry transmitters in temperate predators revealed by predation tags implanted in wild prey fish

Klinard, Natalie V.; Matley, Jordan K.; Fisk, Aaron T.; Johnson, Timothy B.

doi:10.1111/jfb.14156

Cited by 22 publications

(20 citation statements)

References 23 publications

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“…The occurrence of 13 suspected predation events supports recent findings in Klinard, Matley, Fisk, and Johnson () that showed high predation (49%) of tagged bloater within c. 2 weeks following release. The autumn 2018 release group had more than twice as many suspected predation events ( n = 7) than all other release groups.…”

Section: Discussionsupporting

confidence: 87%

Post‐stocking movement and survival of hatchery‐reared bloater (Coregonus hoyi) reintroduced to Lake Ontario

Klinard

Matley

Halfyard³

et al. 2020

Freshwater Biology

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1. Determining the movement and fate of fishes post-stocking is challenging due to the difficulty in monitoring them, particularly immediately after release. Bloater (Coregonus hoyi; Salmonidae) is a deepwater cisco that has been extirpated from Lake Ontario for several decades and is presently the focus of binational restoration stocking efforts; however, there is limited information to evaluate the efficacy of these efforts. The aim of this study was to examine the initial post-release survival, 3D movement, and behaviour of hatchery-reared bloater stocked in Lake Ontario to expand knowledge of post-stocking ecology of fish and inform stocking practices for deepwater ciscoes.2. In total, 74 hatchery-reared bloater were tagged with acoustic transmitters with depth and temperature sensors in 2016, 2017, and 2018 and passively monitored on an array of 105 69-kHz acoustic receivers deployed in north-eastern Lake Ontario. Several spatial metrics analysed movements after release to investigate immediate post-stocking survival and behaviour for the first time in a pelagic freshwater forage fish.3. Estimated survival for tagged bloater was low (≤42%) and detection periods of live bloater ranged from 0.2 to 12.1 days (mean ± SD: 2.9 ± 2.9 days). Following release, tagged bloater dispersed quickly and exhibited an association with deeper water (>40 m). Despite overlap in space use for some bloater, there was no evidence of schooling behaviour. Bloater underwent extensive diel vertical migration from near bottom to within metres of the surface. These results demonstrated that, despite high initial mortality, some hatchery-reared bloater survived the initial stress of release and displayed characteristic behaviour of the species. This study demonstrated the value of acoustic telemetry in restoration effortsand revealed survival and behaviour of bloater that has never been observed at this resolution, providing novel information for the management of reintroduced species. Establishment of a self-sustaining population of bloater will help restore fish native to Lake Ontario thus increasing prey fish diversity, improving ecological integrity and resilience, and serving as a model for the reintroduction and management of other native species throughout the Great Lakes.

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Section: Discussionsupporting

confidence: 87%

Post‐stocking movement and survival of hatchery‐reared bloater (Coregonus hoyi) reintroduced to Lake Ontario

Klinard

Matley

Halfyard³

et al. 2020

Freshwater Biology

Self Cite

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“…When this is not the case, predation events may not be caught by our method, but as long as the tag is expulsed by the predator, a conservative natural mortality pattern would be assigned. Information on retention times by different predators may be important when retention times are longer than digestion‐egestion rates (Klinard, Matley, Fisk, & Johnson, 2019). A particular predation situation that would be difficult to detect by our method are instances of aerial predation by birds, which would result in a pattern very similar to fishing mortality, i.e.…”

Section: Discussionmentioning

confidence: 99%

Inferring individual fate from aquatic acoustic telemetry data

et al. 2020

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“…For example, accelerometers, cameras and physiological sensors on tags can detect behavioral changes indicative of the presence of prey, predators or competitors (Kays et al 2015). Predator tags can detect the occurrence of predation events in fish through a post‐predation chemical change that alters the transmission signal (Halfyard et al 2017, Klinard et al 2019), and animal‐borne acoustic transceivers can additionally receive signals from transmitters on nearby animals (Guttridge et al 2010, Haulsee et al 2016). Lagrangian measurement of interactions will become increasingly possible as more animals are tagged with improved platforms, including the ICARUS (International Cooperation for Animal Research Using Space) space‐based observation system (Curry 2018).…”

Section: Discussionmentioning

confidence: 99%

‘Chancing on a spectacle:’ co‐occurring animal migrations and interspecific interactions

Cohen

Satterfield

2020

Ecography

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Migrations of diverse wildlife species often converge in space and time, with their journeys shaped by similar forces (i.e. geographic barriers and seasonal resources and conditions); we term this ‘co‐migration’. Recent studies have illuminated multi‐speciesmigrations by land and sea including the simultaneous movements of numerous insects, birds, bats and of fish invertebrates marine predators. Beyond their significance as natural wonders, species with overlapping migrations may interact ecologically, with potential effects on population and community dynamics. Direct and indirect ecological interactions (including predation and competition) between migrant species remain poorly understood, in part because migration is the least‐studied phase of animals’ annual cycles. To address this gap, we conducted a literature review to examine whether animal migration studies incorporate multiple species and to what extent they investigate interspecific interactions between co‐migrants. Following a key word search, we read all migration research papers in 23 relevant peer‐reviewed journals during 2008–2017. Thirty percent of animal migration papers reported two or more species with coinciding migrations, suggesting that co‐migrations are common, although few studies investigated or discussed these mixed‐species migrations further. Synthesizing these, we present examples and describe five types of ecological interactions between migrating species, including predator–prey, host–parasite and commensal relationships. Considering migratory animals as interacting with migrant communities will enhance understanding of the drivers of migration and could improve predictions about wildlife responses to global change. Further research focused on multi‐species migrations could also inform conservation efforts for migratory animal populations, many of which are declining or shifting, with unexplored consequences for other co‐migratory species.

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Long‐term retention of acoustic telemetry transmitters in temperate predators revealed by predation tags implanted in wild prey fish

Cited by 22 publications

References 23 publications

Post‐stocking movement and survival of hatchery‐reared bloater (Coregonus hoyi) reintroduced to Lake Ontario

Post‐stocking movement and survival of hatchery‐reared bloater (Coregonus hoyi) reintroduced to Lake Ontario

Inferring individual fate from aquatic acoustic telemetry data

‘Chancing on a spectacle:’ co‐occurring animal migrations and interspecific interactions

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