A portable passive integrated transponder multi‐point decoder system for monitoring habitat use and behaviour of freshwater fish in small streams

Riley, W. D.; Eagle, M. O.; Ives, M. J.; Rycroft, P.; Wilkinson, Allie

doi:10.1046/j.1365-2400.2003.00343.x

Cited by 34 publications

(66 citation statements)

References 7 publications

(10 reference statements)

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“…Obviously, the different habitat use and the less concealment behaviour (Bachman, 1984) of stocked trout relative to wild fish increase their visibility and the vulnerability to avian and aquatic predators. A low influence of PIT tag surgical implantation in the fish peritoneal cavity was reported on different studies, with regard to survival, growth, swimming performance and general behaviour (Riley et al 2003). During this study, trout were recaptured five weeks after their release in the stream, and healing was completed, without signs of inflammation or necrosis in the tissues, suggesting that the behaviour of both sympatric populations was not affected by the tagging procedures.…”

Section: Discussionmentioning

confidence: 57%

“…The PIT tag is detected and their individual code recorded when a tagged fish passed within the read range of the antenna. The fish detection is recorded when the transceiver energizes the tag by sending an electric current through the antenna, which emits an electromagnetic signal captured by the circuit board of the PIT tag that sends their individual code back to the transceiver (Riley et al, 2003;Gibbons & Andrews, 2004). The PIT technology used was based on a multi-point decoder (MPD) unit (UKID Systems Ltd, Preston, U.K.).…”

Section: Field Survey: Pit-tagging and Monitoring Designmentioning

confidence: 99%

“…The Type II tag was manually implanted through an incision of approximately 4 mm made in the midventral line, without suturing the incision. The MPD unit, the antennae installation and the data acquisition were made following a similar design described in Riley et al (2003) and Teixeira & Cortes (2007), using a random distribution of antennae, changing their position every two days ( Figure 6). During the study period the dry weather conditions verified and the values of microhabitat measurements were assumed constant for every two days.…”

Section: Field Survey: Pit-tagging and Monitoring Designmentioning

confidence: 99%

“…Initially, stationary systems were used to evaluate the migration and survival of fish passing through fishway orifices (Prentice et al, 1990b;Castro-Santos et al, 1996) or streamwide antennae (Barbin-Zydlewski et al, 2001). In recent years, different types of portable equipments, like the flat-bed antenna design (Armstrong et al, 1996), the multipoint decoders connected to several flat-bed antennae (Riley et al, 2003) and the portable antenna (Roussel et al, 2000;Coucherousset et al, 2010), were developed and adapted to assess the behaviour of local populations in shallow streams. However, there is a lack of studies combining both radio and PIT telemetry technologies to study the behaviour of trout populations and this possibility is important to enhance the data quality.…”

mentioning

confidence: 99%

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Combining Radio and PIT-Telemetry to Study the Large and Fine-Scale Movements of Stocked and Wild Brown Trout (Salmo trutta L.) in a Northeastern Stream, Portugal

Teixeira¹,

Cortes²

2011

Modern Telemetry

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Section: Discussionmentioning

confidence: 57%

Section: Field Survey: Pit-tagging and Monitoring Designmentioning

confidence: 99%

Section: Field Survey: Pit-tagging and Monitoring Designmentioning

confidence: 99%

mentioning

confidence: 99%

See 2 more Smart Citations

Combining Radio and PIT-Telemetry to Study the Large and Fine-Scale Movements of Stocked and Wild Brown Trout (Salmo trutta L.) in a Northeastern Stream, Portugal

Teixeira¹,

Cortes²

2011

Modern Telemetry

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“…Elsewhere, portable PIT scanners were used to monitor behavior, movement, and habitat use of fishes in shallow waters of small streams [26,27], and fish movement has also been monitored in larger streams using units permanently or semi-permanently mounted to the substrate or man-made structure [28,29]. Initial testing of this technology in Lake Mohave relied on Biomark ® flat-plate antennas and FS2001 radiofrequency identification (RFID) scanners.…”

Section: Research Adaptation and Emerging Technologymentioning

confidence: 99%

Adaptive Management of an Imperiled Catostomid in Lake Mohave, Lower Colorado River, USA

Kesner¹,

Wisenall²,

Marsh³

2016

Lake Sciences and Climate Change

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Lake Mohave, a man-made reservoir in the lower Colorado River, USA, was once home to the largest wild population of the endemic and endangered razorback sucker Xyrauchen texanus, estimated at 60,000 individuals in the late 1980s. Individuals of this population were 25 years or older because recruitment was precluded by the removal of larval production by introduced centrarchid species. A repatriation program was initiated in the 1990s to replace the aging population with young fish by capturing larvae from the reservoir and raising them in hatcheries and protected lakeside backwaters until they were released back into the reservoir. Although more than 200,000 fish have been repatriated to Lake Mohave, the repatriate population has remained at a few thousand fish. The wild population is now functionally extinct. The program has adapted to new threats to the population, political realities, and technological advances. Management shifted in 2006 to the Lower Colorado River Multi-Species Conservation Program, which has politicized the process. The aim of this chapter is to describe the initial, informal adaptive management strategy for razorback sucker in Lake Mohave, the transition to a formal program, and the inherent pitfalls that formalization entails.

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Habitat Requirements for Juvenile Salmonids in Chalk Streams: How will Management Best Address Conflicting Interests?

Riley

Pawson

2010

Salmonid Fisheries

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This chapter compares habitat use by juvenile salmon, Salmo salar L. and trout, S. trutta L., in a chalk stream in southern England and the effects of shading and flow control on population density and mortality.Salmon tended to occupy water between 25 and 55 cm deep with a velocity between 0.4 and 1.0 m s −1 . First year salmon were associated with gravel substrates during the daytime and aquatic weed at night, and occupied shallower and slower habitats at night in the autumn. Trout were associated with a greater range of habitats than salmon, generally occupying deeper and faster water with increasing age. First year trout were found along the shallow (5-10 cm) and slow flowing (−0.1 to 0.4 m s −1 ) margins of the stream among tree roots and on silty substrates.First year salmon and trout subject to low summer flow showed no net downstream displacement. However, an increase in mortality rate was apparent for both species.There appeared to be positive effects of canopy removal on the availability of potential prey for juvenile salmonids. First year salmon and trout had lower densities under closed canopy with little in-stream weed, relative to adjacent open sites with substantial weed cover.The results suggest that salmon and trout have differing needs that should be elucidated and considered when managing water flow and riparian and in-stream habitat, particularly in chalk streams where salmonid production is failing. In particular, the preference of first year salmon for aquatic weed at night and of 0+ group trout for the cover afforded by the stream margins suggest that excessive cutting of 242 Salmonid Fisheries: Freshwater Habitat Management Paul Kemp

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A portable passive integrated transponder multi‐point decoder system for monitoring habitat use and behaviour of freshwater fish in small streams

Cited by 34 publications

References 7 publications

Combining Radio and PIT-Telemetry to Study the Large and Fine-Scale Movements of Stocked and Wild Brown Trout (Salmo trutta L.) in a Northeastern Stream, Portugal

Combining Radio and PIT-Telemetry to Study the Large and Fine-Scale Movements of Stocked and Wild Brown Trout (Salmo trutta L.) in a Northeastern Stream, Portugal

Adaptive Management of an Imperiled Catostomid in Lake Mohave, Lower Colorado River, USA

Habitat Requirements for Juvenile Salmonids in Chalk Streams: How will Management Best Address Conflicting Interests?

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