Brendan S. Talwar
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View article: Informing the spatial management of Silky Shark (Carcharhinus falciformis) in the Eastern Pacific Ocean
Informing the spatial management of Silky Shark (Carcharhinus falciformis) in the Eastern Pacific Ocean Open
The Silky Shark ( Carcharhinus falciformis ) is highly vulnerable to population decline, yet leads shark bycatch in some of the world’s largest tuna fisheries. As such, this species provides an appropriate case study for regional fisheries…
View article: Trends in Marine Mammal Bycatch in US Fisheries From 1990 to 2017
Trends in Marine Mammal Bycatch in US Fisheries From 1990 to 2017 Open
Bycatch is the greatest threat facing marine mammals globally. In the United States (US), there have been significant efforts to reduce marine mammal bycatch in commercial fisheries, particularly through the implementation of the 1994 amen…
View article: Determination of distance away and depth of transmitters relative to a vertical acoustic telemetry array in the open ocean
Determination of distance away and depth of transmitters relative to a vertical acoustic telemetry array in the open ocean Open
Background Many ecologically and commercially important species occur in the epipelagic marine environment and have been observed to spend a considerable amount of time associating with surface structure. The bottom depth of this habitat o…
View article: Ocean weather, biological rates, and unexplained global ecological patterns
Ocean weather, biological rates, and unexplained global ecological patterns Open
As on land, oceans exhibit high temporal and spatial temperature variation. This "ocean weather" contributes to the physiological and ecological processes that ultimately determine the patterns of species distribution and abundance, yet is…
View article: Ocean weather, biological rates, and unexplained global ecological patterns
Ocean weather, biological rates, and unexplained global ecological patterns Open
As on land, oceans exhibit high temporal and spatial temperature variation. This “ocean weather” contributes to the physiological and ecological processes that ultimately determine the patterns of species distribution and abundance, yet is…
View article: Accumulation of Per- and Polyfluoroalkyl Substances (PFAS) in Coastal Sharks from Contrasting Marine Environments: The New York Bight and The Bahamas
Accumulation of Per- and Polyfluoroalkyl Substances (PFAS) in Coastal Sharks from Contrasting Marine Environments: The New York Bight and The Bahamas Open
Per- and polyfluoroalkyl substances (PFAS) enter the marine food web, accumulate in organisms, and potentially have adverse effects on predators and consumers of seafood. However, evaluations of PFAS in meso-to-apex predators, like sharks,…
View article: A new species of deep-sea Booralana Bruce, 1986 (Crustacea: Isopoda: Cirolanidae) from The Bahamas, Western North Atlantic
A new species of deep-sea Booralana Bruce, 1986 (Crustacea: Isopoda: Cirolanidae) from The Bahamas, Western North Atlantic Open
Booralana nickorum sp. nov. is described from the deep-water slope of the Exuma Sound, The Bahamas, from depths of 540 to 560 metres. It is the fourth species to be assigned to the genus and the second species described from the Western No…
View article: Insights into the Relative Abundance, Life History, and Ecology of Oceanic Sharks in the Eastern Bahamas
Insights into the Relative Abundance, Life History, and Ecology of Oceanic Sharks in the Eastern Bahamas Open
Fisheries-independent data on the diversity, relative abundance, and demographic structure of poorly studied, threatened oceanic sharks are absent from much of the western North Atlantic Ocean, where multiple oceanic shark species have exp…
View article: Colonization, diversity, and seasonality of fishes at pelagic fish aggregating devices
Colonization, diversity, and seasonality of fishes at pelagic fish aggregating devices Open
The pelagic zone of the ocean can be a challenging environment in which to conduct research and as a result we lack the robust baseline abundance and diversity data, compared to what is available in more accessible coastal habitats, to be …
View article: Energetic connectivity of diverse elasmobranch populations – implications for ecological resilience
Energetic connectivity of diverse elasmobranch populations – implications for ecological resilience Open
Understanding the factors shaping patterns of ecological resilience is critical for mitigating the loss of global biodiversity. Throughout aquatic environments, highly mobile predators are thought to serve as important vectors of energy be…
View article: Conservation successes and challenges for wide-ranging sharks and rays
Conservation successes and challenges for wide-ranging sharks and rays Open
Overfishing is the most significant threat facing sharks and rays. Given the growth in consumption of seafood, combined with the compounding effects of habitat loss, climate change, and pollution, there is a need to identify recovery paths…
View article: Accumulation of per- and polyfluoroalkyl substances (PFASs) by sharks from two contrasting habitats: New York Bight and The Bahamas
Accumulation of per- and polyfluoroalkyl substances (PFASs) by sharks from two contrasting habitats: New York Bight and The Bahamas Open
View article: Supporting Data from Energetic connectivity of diverse elasmobranch populations – implications for ecological resilience
Supporting Data from Energetic connectivity of diverse elasmobranch populations – implications for ecological resilience Open
Shark demographic information and stable isotope data used in this study.
View article: Supporting Data from Energetic connectivity of diverse elasmobranch populations – implications for ecological resilience
Supporting Data from Energetic connectivity of diverse elasmobranch populations – implications for ecological resilience Open
Shark demographic information and stable isotope data used in this study.
View article: Merging technologies and supervised classification methods to quantify capture behavior on hook-and-line
Merging technologies and supervised classification methods to quantify capture behavior on hook-and-line Open
Animal behavior varies in response to capture between/within species and fisheries, and its expression may contribute to incidental mortality when behaviors result in physiological ramifications that cannot be resolved. However, this relat…
View article: Extinction risk, reconstructed catches and management of chondrichthyan fishes in the Western Central Atlantic Ocean
Extinction risk, reconstructed catches and management of chondrichthyan fishes in the Western Central Atlantic Ocean Open
Chondrichthyan fishes are among the most threatened vertebrates on the planet because many species have slow life histories that are outpaced by intense fishing. The Western Central Atlantic Ocean, which includes the Greater Caribbean, is …
View article: Extinction risk, reconstructed catches, and management of chondrichthyan fishes in the Western Central Atlantic Ocean
Extinction risk, reconstructed catches, and management of chondrichthyan fishes in the Western Central Atlantic Ocean Open
Chondrichthyan fishes are among the most threatened vertebrates on the planet because many species have slow life histories that are outpaced by intense fishing. The Western Central Atlantic Ocean, which includes the greater Caribbean, is …
View article: Blood biochemical status of deep-sea sharks following longline capture in the Gulf of Mexico
Blood biochemical status of deep-sea sharks following longline capture in the Gulf of Mexico Open
Prior to the Deepwater Horizon (DWH) oil spill, little research effort was focused on studying deep-sea sharks in the Gulf of Mexico (GoM). While the biology of these fishes remains virtually unknown, they are routinely captured in commerc…
View article: Exercise intensity while hooked is associated with physiological status of longline-captured sharks
Exercise intensity while hooked is associated with physiological status of longline-captured sharks Open
Some shark populations face declines owing to targeted capture and by-catch in longline fisheries. Exercise intensity during longline capture and physiological status may be associated, which could inform management strategies aimed at red…
View article: Validation of a portable, waterproof blood pH analyser for elasmobranchs
Validation of a portable, waterproof blood pH analyser for elasmobranchs Open
Quantifying changes in blood chemistry in elasmobranchs can provide insights into the physiological insults caused by anthropogenic stress, and can ultimately inform conservation and management strategies. Current methods for analysing ela…
View article: An assessment of post-release mortality for a commonly discarded deep-sea isopod (Bathynomus giganteus) using reflex impairment
An assessment of post-release mortality for a commonly discarded deep-sea isopod (Bathynomus giganteus) using reflex impairment Open
Estimates of post-release mortality (PRM) rates for discarded bycatch are largely unknown across marine fisheries and represent a substantial source of uncertainty when estimating total fishery mortality. One way to predict PRM is through …