R. Allen Curry
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View article: Acoustic telemetry reveals high site fidelity of yellow‐phase American eels <i>Anguilla rostrata</i> in a large river
Acoustic telemetry reveals high site fidelity of yellow‐phase American eels <i>Anguilla rostrata</i> in a large river Open
Movement patterns and habitat use of yellow‐phase American eels Anguilla rostrata in the Wolastoq/Saint John River were examined using acoustic telemetry. Tracking 72 tagged yellow‐phase eels from late summer 2021 to autumn 2023 revealed o…
View article: Using rapid and repeatable side scan sonar methods for a second assessment of the Shortnose Sturgeon (Acipenser brevirostrum) population in the Saint John River, New Brunswick, Canada
Using rapid and repeatable side scan sonar methods for a second assessment of the Shortnose Sturgeon (Acipenser brevirostrum) population in the Saint John River, New Brunswick, Canada Open
Population estimates are a key component of fisheries management, particularly when assessing species of concern. However, the time and effort required to conduct those estimates logistically limits their frequency. To facilitate assessmen…
View article: A Mark‐Recapture Estimate of the Number of American Eels Arriving at the Lowermost Barrier on the Wolastoq|Saint John River, Canada
A Mark‐Recapture Estimate of the Number of American Eels Arriving at the Lowermost Barrier on the Wolastoq|Saint John River, Canada Open
The upstream migration of juvenile American eels ( Anguilla rostrata ) is frequently obstructed by dams and other in‐stream barriers, leading to habitat loss and fragmentation, factors that are believed to contribute to the species' popula…
View article: The Utility of Fish Population Monitoring and Forecast Trigger Development for Designing Adaptive Aquatic Monitoring Plans for Large Industrial Developments
The Utility of Fish Population Monitoring and Forecast Trigger Development for Designing Adaptive Aquatic Monitoring Plans for Large Industrial Developments Open
View article: The performance of 76 kHz positional acoustic telemetry is challenged by acoustic conditions in the tailrace of a hydroelectric dam
The performance of 76 kHz positional acoustic telemetry is challenged by acoustic conditions in the tailrace of a hydroelectric dam Open
View article: Poor Upstream Passage for Endangered Atlantic Salmon (<i>Salmo salar</i>) at a Trap‐and‐Transport Fishway in the Wolastoq/Saint John River, New Brunswick
Poor Upstream Passage for Endangered Atlantic Salmon (<i>Salmo salar</i>) at a Trap‐and‐Transport Fishway in the Wolastoq/Saint John River, New Brunswick Open
Declines of Atlantic salmon ( Salmo salar ) in the Wolastoq/Saint John River have largely coincided with hydropower development, and there is an urgent need to understand the status of bidirectional passage at existing barriers. We evaluat…
View article: Upstream Migration Dynamics of Juvenile American Eels (<scp><i>Anguilla rostrata</i></scp>) Towards a Hydropower Dam in a Large River
Upstream Migration Dynamics of Juvenile American Eels (<span><i>Anguilla rostrata</i></span>) Towards a Hydropower Dam in a Large River Open
Young American eels ( Anguilla rostrata ) undergo a remarkable migration from oceanic spawning grounds to continental growth habitats. Impaired river connectivity can prevent facultatively catadromous eels from completing their upstream mi…
View article: New bass on the block: Trophic interactions among invasive largemouth bass <scp><i>Micropterus salmoides</i></scp> and local sportfish
New bass on the block: Trophic interactions among invasive largemouth bass <span><i>Micropterus salmoides</i></span> and local sportfish Open
Novel introductions of largemouth bass, Micropterus salmoides , often cause negative impacts on endemic populations of prey fishes and interspecific competitors. Although many studies have investigated trophic interactions between M . salm…
View article: Limitations of Non‐Volitional Upstream Passage for Alewife (<scp><i>Alosa pseudoharengus</i></scp>) and Blueback Herring (<scp><i>Alosa aestivalis</i></scp>)
Limitations of Non‐Volitional Upstream Passage for Alewife (<span><i>Alosa pseudoharengus</i></span>) and Blueback Herring (<span><i>Alosa aestivalis</i></span>) Open
We used PIT telemetry ( n = 10,292 fish tagged) to evaluate upstream passage at a non‐volitional fishway (trap, lift, and truck) that passed approximately 10‐million river herring (alewife Alosa pseudoharengus and blueback herring A . aest…
View article: Short-term survival and growth of American Eel elvers marked with visible implant elastomer tags
Short-term survival and growth of American Eel elvers marked with visible implant elastomer tags Open
Objective Visible implant elastomer (VIE) tags are commonly used as a cost-effective tool for marking small fish, making them valuable in mark–recapture studies. It is crucial to quantify the impact of tagging procedures on fish survival t…
View article: Hydro‐thermal modelling of the potential impacts of reservoirs on water temperature and incubation time of Atlantic salmon and brook trout in the Tobique River, Canada
Hydro‐thermal modelling of the potential impacts of reservoirs on water temperature and incubation time of Atlantic salmon and brook trout in the Tobique River, Canada Open
Water temperature is recognised as a crucial variable in lotic ecosystems affecting the metabolism of aquatic organisms, with extremely high‐temperature events increasing the risk of mortality of various species. Impounding rivers to regul…
View article: A controlled experimental assessment of intraperitoneal PIT tag injection on survival of Blueback Herring
A controlled experimental assessment of intraperitoneal PIT tag injection on survival of Blueback Herring Open
Objective Passive integrated transponder (PIT) telemetry is commonly used to monitor fish movements and behavior. To reduce inferential bias in PIT telemetry studies, it is important to quantify the effects of tagging procedures on fish su…
View article: The Role of Cold-Water Thermal Refuges for Stream Salmonids in a Changing Climate—Experiences from Atlantic Canada
The Role of Cold-Water Thermal Refuges for Stream Salmonids in a Changing Climate—Experiences from Atlantic Canada Open
Thermal refuges are becoming increasingly influential for dictating the population status and spatial distribution of cold-water stenotherm salmonids in the mid- to southern extent of their range. The global climate is predicted to continu…
View article: Elements and omega-3 fatty acids in fishes along a large, dammed river
Elements and omega-3 fatty acids in fishes along a large, dammed river Open
Damming of a river can trap and elevate levels of sediment-bound elements and alter food web dynamics in created reservoirs. It follows that dams may alter how elements and other nutrients, like the beneficial omega-3 fatty acids (n-3 FAs)…
View article: Low cobalt limits cyanobacteria heterocyst frequency in culture but potential for cobalt limitation of frequency in nitrogen-limited surface waters is unclear
Low cobalt limits cyanobacteria heterocyst frequency in culture but potential for cobalt limitation of frequency in nitrogen-limited surface waters is unclear Open
1. Impacts of three cobalt (Co) concentrations were examined on heterocyst frequency and growth rate in four diazotrophic cyanobacteria species in nitrogen (N)-depleted culture and growth rate in one non-diazotrophic species in N-replete c…
View article: Reproductive ecology of muskellunge (<scp><i>Esox masquinongy</i></scp>), an introduced predator, in the lower Wolastoq/Saint John River, New Brunswick, Canada
Reproductive ecology of muskellunge (<span><i>Esox masquinongy</i></span>), an introduced predator, in the lower Wolastoq/Saint John River, New Brunswick, Canada Open
Introduced predators can have harmful top‐down effects on their newly colonized system through competition with and direct predation on native species. Following an initial introduction of muskellunge in Lac Frontière, Québec in the 1970s …
View article: Timing and frequency of high temperature events bend the onset of behavioural thermoregulation in Atlantic salmon (<i>Salmo salar</i>)
Timing and frequency of high temperature events bend the onset of behavioural thermoregulation in Atlantic salmon (<i>Salmo salar</i>) Open
The role of temperature on biological activities and the correspondent exponential relationship with temperature has been known for over a century. However, lacking to date is knowledge relating to (a) the recovery of ectotherms subjected …
View article: Developing environmental flow targets for benthic macroinvertebrates in large rivers using hydraulic habitat associations and taxa thresholds
Developing environmental flow targets for benthic macroinvertebrates in large rivers using hydraulic habitat associations and taxa thresholds Open
Holistic environmental flows frameworks are built on our understanding of key flow-ecology relationships that support sensitive taxa and critical ecosystem functions under different flow and water level scenarios. Most research on flow-eco…
View article: Considering Fish as Recipients of Ecosystem Services Provides a Framework to Formally Link Baseline, Development, and Post-operational Monitoring Programs and Improve Aquatic Impact Assessments for Large Scale Developments
Considering Fish as Recipients of Ecosystem Services Provides a Framework to Formally Link Baseline, Development, and Post-operational Monitoring Programs and Improve Aquatic Impact Assessments for Large Scale Developments Open
In most countries, major development projects must satisfy an Environmental Impact Assessment (EIA) process that considers positive and negative aspects to determine if it meets environmental standards and appropriately mitigates or offset…
View article: Remote sensing framework details riverscape connectivity fragmentation and fish passability in a forested landscape
Remote sensing framework details riverscape connectivity fragmentation and fish passability in a forested landscape Open
Fragmentation of stream networks from anthropogenic structures such as road culverts can affect the health of a catchment by negatively affecting the ecosystem's biota, their movements, abundance, and species richness. We present a framewo…
View article: Hydraulic synchrony of spawning sites amongst Earth’s riverine fishes
Hydraulic synchrony of spawning sites amongst Earth’s riverine fishes Open
Earth’s riverine fishes utilize a suite of reproductive guilds, broadly following four guilds: nest guarders, broadcast pelagic spawners, broadcast benthic spawners and nest non-guarders 1 , 2 , and these guilds utilize different mechanism…
View article: A High-Resolution, Random Forest Approach to Mapping Depth-to-Bedrock across Shallow Overburden and Post-Glacial Terrain
A High-Resolution, Random Forest Approach to Mapping Depth-to-Bedrock across Shallow Overburden and Post-Glacial Terrain Open
Regolith, or unconsolidated materials overlying bedrock, exists as an active zone for many geological, geomorphological, hydrological and ecological processes. This zone and its processes are foundational to wide-ranging human needs and ac…
View article: Environment-driven reprogramming of gamete DNA methylation occurs during maturation and is transmitted intergenerationally in Atlantic Salmon
Environment-driven reprogramming of gamete DNA methylation occurs during maturation and is transmitted intergenerationally in Atlantic Salmon Open
An epigenetic basis for transgenerational plasticity in animals is widely theorized, but convincing empirical support is limited by taxa-specific differences in the presence and role of epigenetic mechanisms. In teleost fishes, DNA methyla…
View article: Salmonid thermal habitat contraction in a hydrogeologically complex setting
Salmonid thermal habitat contraction in a hydrogeologically complex setting Open
Broadening our understanding of river thermal variability is of paramount importance considering the role temperature plays in aquatic ecosystem health. At the catchment scale, spatial statistical river network models (SSN) are popular for…
View article: Research priorities for the management of freshwater fish habitat in Canada
Research priorities for the management of freshwater fish habitat in Canada Open
Effective management of freshwater fish habitat is essential to supporting healthy aquatic ecosystems and sustainable fisheries. In Canada, recent changes to the Fisheries Act enhanced the protection of fish habitat, but application of tho…
View article: The salmon-peloton: hydraulic habitat shifts of adult Atlantic salmon (<i>Salmo salar</i>) due to behaviour thermoregulation
The salmon-peloton: hydraulic habitat shifts of adult Atlantic salmon (<i>Salmo salar</i>) due to behaviour thermoregulation Open
In recent decades there has been an increase in conservation and restoration projects targeting Atlantic salmon ( Salmo salar – AS), as populations in eastern Canada decline. Missing however, is an understanding of thermo-hydraulic habitat…
View article: Riparian and in-channel habitat properties linked to dragonfly emergence
Riparian and in-channel habitat properties linked to dragonfly emergence Open
View article: Movements of juvenile and sub-adult striped bass Morone saxatilis in the Saint John River, New Brunswick, Canada
Movements of juvenile and sub-adult striped bass Morone saxatilis in the Saint John River, New Brunswick, Canada Open
Juvenile striped bass (age-1) of distinct genetic ancestry were re-discovered in the Saint John River, New Brunswick in 2014 after a 35 yr hiatus of recognition. These juveniles were determined to be highly genetically divergent from all p…
View article: Genomic population structure of Striped Bass (<i>Morone saxatilis</i>) from the Gulf of St. Lawrence to Cape Fear River
Genomic population structure of Striped Bass (<i>Morone saxatilis</i>) from the Gulf of St. Lawrence to Cape Fear River Open
Striped Bass, Morone saxatilis (Walbaum, 1792), is an anadromous fish species that supports fisheries throughout North America and is native to the North American Atlantic Coast. Due to long coastal migrations that span multiple jurisdicti…
View article: Space invaders: Searching for invasive Smallmouth Bass (<i>Micropterus dolomieu</i>) in a renowned Atlantic Salmon (<i>Salmo salar</i>) river
Space invaders: Searching for invasive Smallmouth Bass (<i>Micropterus dolomieu</i>) in a renowned Atlantic Salmon (<i>Salmo salar</i>) river Open
Humans have the ability to permanently alter aquatic ecosystems and the introduction of species is often the most serious alteration. Non‐native Smallmouth Bass ( Micropterus dolomieu ) were identified in Miramichi Lake c . 2008, which is …