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Temperature Effects On The Routine Metabolic Rates Of Brook Trout Salvenius Fontinalis Eggs Alevin And Fry
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Book Synopsis Temperature Effects on the Routine Metabolic Rates of Brook Trout (Salvenius Fontinalis) Eggs, Alevin and Fry by : Catharine Jean Cook
Download or read book Temperature Effects on the Routine Metabolic Rates of Brook Trout (Salvenius Fontinalis) Eggs, Alevin and Fry written by Catharine Jean Cook and published by . This book was released on 2017 with total page 266 pages. Available in PDF, EPUB and Kindle. Book excerpt: Early developmental stages of cold-adapted ectotherms such as brook trout (Salvelinus fontinalis) are atrisk of mortality with increasing water temperatures because of their sensitivityto changes in their environment.I studiedthe mass and routine metabolic rate(RMR) of wild-origin brook trout eggs, alevin and young fry reared at normal (5°C) and elevated (9°C) temperaturesfor the duration of the study or at mismatched temperatures.This setup determinedif preconditioning acclimation for one temperature benefits or hinders the organism later in life.Three levelsof biological organization (ancestry, population, family) were studied using Akaike?sInformation Criterion (AIC) to identify models that best accountedforvariation in thedata.Family, massand temperature were most important inpredictingbody mass and mass-adjustedRMR, although population and ancestral-level differences were also detected atsome life stages.Strongvariation in body mass and mass-adjusted RMRamong families may indicate adaptive potential within brook trout populations to respond to increases in water temperaturewithclimate change.Keywords: Temperature, physiology, brook trout, Salvelinus fontinalis, thermal tolerance, acclimation, routine metabolic rate, environmental matching, AIC.
Book Synopsis The Effect of Systematic Temperature Variation on the Incubation and Development of Brook Trout (Salvelinus Fontinalis Mitchill) Eggs by : Pamela Sue Marten
Download or read book The Effect of Systematic Temperature Variation on the Incubation and Development of Brook Trout (Salvelinus Fontinalis Mitchill) Eggs written by Pamela Sue Marten and published by . This book was released on 1990 with total page 162 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Comparing Metabolic Rate Estimates of Two Similar Salmonids by : Travis Durhack
Download or read book Comparing Metabolic Rate Estimates of Two Similar Salmonids written by Travis Durhack and published by . This book was released on 2020 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Bull Trout (Salvelinus confluentus) occur in many major watersheds in northwestern North America and are identified as "Threatened" or a "Species of Special Concern" in both Canada and the United States. Non-native fishes, including Brook Trout (Salvelinus fontinalis), are one assumed major contributor to declines of Bull Trout populations. Further understanding of how introduced species are affecting Bull Trout populations may help with their recovery. Metabolic rate is an estimate of the amount of energy being used by an organism, and one of the common ways of estimating metabolic rate in fish is through respirometry. In the following research chapters, I conducted intermittent-flow respirometry experiments both in a laboratory setting and a field setting to compare physiological performance via standard metabolic rate (SMR), maximum metabolic rate (MMR) and aerobic scope (AS) of Bull Trout and Brook Trout across a range of ecologically relevant temperatures. The temperatures tested are found in the habitat both species currently occupy, as well as temperatures that may be seen in future climate scenarios. Brook Trout tested in Chapter 2 maintained a relatively stable AS across the range of temperatures tested (5, 10, 15, 20, 23°C) and appear to be thermal generalists, well adapted to live in various thermal environments. Brook Trout showed a peak in AS at 15°C, increasing SMR with temperature, and a peak in MMR estimates between 15 and 20°C. Results from Chapter 3 revealed that wild juvenile Bull Trout and Brook Trout have comparable SMR, MMR, and AS when living in sympatry in the natural environment, at least at the temperatures tested (~3°C and ~10°C). Brook Trout have historically been seen as a major threat to Bull Trout populations based on prior studies that have looked at interactions between the species and generally found an advantage for Brook Trout over Bull Trout. However, the results from this study showed similar metabolic rates in both species living in sympatry. The results further suggest that Brook Trout may not have the physiological or temperature related advantages that are expected, at least in regards to aerobic scope.
Book Synopsis Temperature Effects on Eggs and Fry of Percoid Fishes by : Lloyd L. Smith (Jr.)
Download or read book Temperature Effects on Eggs and Fry of Percoid Fishes written by Lloyd L. Smith (Jr.) and published by . This book was released on 1975 with total page 108 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Temperature Effects on Growth and Stress Physiology of Brook Trout by : Joseph G. Chadwick
Download or read book Temperature Effects on Growth and Stress Physiology of Brook Trout written by Joseph G. Chadwick and published by . This book was released on 2012 with total page 79 pages. Available in PDF, EPUB and Kindle. Book excerpt: Despite the threat of climate change, the physiological mechanisms by which temperature drives the distribution of species are unclear. Here we used chronic temperature exposures to determine that the upper limit for positive growth in the eastern brook trout (Salvelinus fontinalis) is 23.4 °C. Additionally, brook trout exposed to daily temperature oscillations of 8 °C, around a mean of 21 °C, exhibited growth rates that were 43 and 35% lower by length and weight respectively, than in constant 21 °C controls. Limitations in growth were associated with increases in indicators of the physiological stress response. Individuals exposed to 22 or 24 °C for 24 days exhibited plasma cortisol levels that were 12 and 18 fold greater than at 16 °C. Similarly, gill heat shock protein (Hsp)-70 levels were 10.7 and 56 fold higher at 22 and 24 °C than at 16 °C. Brook trout exposed to daily temperature oscillation of 4 or 8 °C had gill Hsp-70 levels that were 40 and 700 fold greater than controls. Acute (6 h) temperature exposures were used to demonstrate a threshold for induction of the Hsp-70 and plasma glucose responses of 20.7 °C and 21.2 °C respectively. Finally, we conducted field surveys that demonstrated increased plasma cortisol, plasma glucose, and gill Hsp-70 at temperatures above 21 °C. Induction of the cellular and endocrine stress responses is associated with decreased growth in brook trout. Thermal limitations on growth may provide a mechanism by which temperature drives the distributions of this cold-water species.
Book Synopsis Canadian Journal of Fisheries and Aquatic Sciences by :
Download or read book Canadian Journal of Fisheries and Aquatic Sciences written by and published by . This book was released on 1985 with total page 632 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Relating Metabolic Phenotypes to Movement Behavior in Brook Trout by :
Download or read book Relating Metabolic Phenotypes to Movement Behavior in Brook Trout written by and published by . This book was released on 2022 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: "Brook trout movement-related life history strategies vary considerably and range from individuals that stay within the same 100 meters their entire life to individuals that are potamodromous or anadromous. Potential drivers of movement life histories have been the subject of much research in fish, with genetic subpopulation explanations often failing to explain the phenomenon. Metabolic phenotypes have been suggested as a possible driver for expression of different movement life histories. I investigated if metabolic phenotypes are related to movement strategies within a population of brook trout (Salvelinus fontinalis) in Unnamed Creek, a tributary to the Rock River, Alger County, MI. Intermittent flow respirometry was used in the field using ambient stream water to determine metabolic phenotypes of wild trout. Individuals were then tagged with passive integrated transponders (PIT) and tracked with stationary readers and a backpack reader during the summer. Brook trout that moved over 250m displayed a significantly larger aerobic scope than individuals that moved less than 250m. Temperature effects on metabolic measures were not detected among the brook trout in this study, but this could be due to wild acclimation to a range of temperatures rather than a single value.. This study suggests that brook trout metabolic phenotypes are variable between individuals and likely relate to movement phenotype under natural field conditions."--Abstract.
Book Synopsis The Effect of Lowering the Metabolic Rate in the Development of Steelhead Trout Eggs by : Mary H. Chambers
Download or read book The Effect of Lowering the Metabolic Rate in the Development of Steelhead Trout Eggs written by Mary H. Chambers and published by . This book was released on 1921 with total page 34 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Some Effects of Temperature and Oxygen Pressure on the Metabolism and Activity of the Speckled Trout by : J. M. Graham
Download or read book Some Effects of Temperature and Oxygen Pressure on the Metabolism and Activity of the Speckled Trout written by J. M. Graham and published by . This book was released on 1949 with total page 288 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Lipid and DDT Dynamics in Developing Brook Trout Eggs and Fry by : Gary James Atchison
Download or read book Lipid and DDT Dynamics in Developing Brook Trout Eggs and Fry written by Gary James Atchison and published by . This book was released on 1970 with total page 172 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Temperature Effects on Green Sturgeon (Acipenser Medirostris Ayres) Bioenergetics by : Ryan Brogan Mayfield
Download or read book Temperature Effects on Green Sturgeon (Acipenser Medirostris Ayres) Bioenergetics written by Ryan Brogan Mayfield and published by . This book was released on 2002 with total page 92 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Effects of Temperature and Diet on the Metabolic Phenotypes of Lake Sturgeon, Acipenser Fulvescens by : Gwangseok Yoon
Download or read book Effects of Temperature and Diet on the Metabolic Phenotypes of Lake Sturgeon, Acipenser Fulvescens written by Gwangseok Yoon and published by . This book was released on 2022 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: The environment during early life history strongly impacts phenotypic development in all organisms, which further influences developmental trajectory and ecological fitness later in life. Depending on the developmental stage and magnitude of change in the environment, phenotypes may become irreversible and thus have a long-lasting effect later in life. This thesis was designed to better understand how changes in the environment may influence plasticity and variation of metabolic phenotypes of Lake Sturgeon (Acipenser fulvescens) within the first year of life. Broadly speaking, the thesis tested two hypotheses that 1) all measured phenotypes would be plastic; and 2) durations of environmental effects on phenotypic development would be correlated with distinct developmental windows. Studies were developed to examine 1) short-term effects of temperature or diet on metabolic phenotypes such as metabolic rate, energy density, fatty acid profiles, and growth (Chapters 2 and 3) and 2) longer-term effects of temperature or diet during early life on these metabolic phenotypes (Chapters 4, 5 and 6). The first experimental chapter (Chapter 2) examined ontogenetic development of metabolic rate and demonstrated that dietary shifts between Artemia to bloodworm resulted in cessation of growth with elevated routine metabolic rate. Chapter 3 examined how fatty acid profiles and plasma cortisol concentration were influenced by environmental temperature and showed that decreasing temperature led to increases in mono- and polyunsaturated fatty acids in both phospholipids and triglycerides, and food deprivation resulted in lack of difference between baseline and peak cortisol concentrations. Chapter 4 examined how temperature during early life influenced plasticity of growth and showed that temperature post-dietary transition resulted in a transient effect on growth and energy metabolism without long-term effects post-winter. Chapter 5 examined how temperature during early life could influence growth and fatty acid metabolism when fish were exposed to colder temperatures later in life and demonstrated that elevated temperatures resulted in a longer-term effect on growth but lack of transcriptional responses of desaturating fatty acids when exposed to a cold temperature (3.5°C) later in life. The final experimental chapter, Chapter 6 examined longer-term effects of diet at the onset of exogenous feeding on metabolism and growth and demonstrated that an enriched diet resulted in prolonged effects on growth, digestive enzyme activity and survival prior to a simulated overwintering. This doctoral thesis research revealed that all measured metabolic phenotypes were plastic, but subtle changes in temperature and diet during early life history resulted in transient or prolonged effects on growth and metabolism in age-0 lake sturgeon. Results will aid our understanding of cohort and population dynamics as well as contribute to the development of conservation strategies for lake sturgeon, a species at risk or endangered across its natural range.
Book Synopsis Fine Sediment Effects on Brook Trout Egg and Alevin Survival in Virginia by : David G. Argent
Download or read book Fine Sediment Effects on Brook Trout Egg and Alevin Survival in Virginia written by David G. Argent and published by . This book was released on 1995 with total page 314 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis An Annotated Bibliography of the Effects of Temperature on Fish with Special Reference to the Freshwater and Anadromous Species of New England by : James R. Beltz
Download or read book An Annotated Bibliography of the Effects of Temperature on Fish with Special Reference to the Freshwater and Anadromous Species of New England written by James R. Beltz and published by . This book was released on 1974 with total page 108 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Effects of Low PH on Carbohydrate Metabolism in Brook Trout Salvelinus Fontinalis Mitchill by : Irshad Ali
Download or read book The Effects of Low PH on Carbohydrate Metabolism in Brook Trout Salvelinus Fontinalis Mitchill written by Irshad Ali and published by . This book was released on 1987 with total page 162 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Effect of Temperature on the Heart Rate of Triploid Brook Trout, Salvelinus Fontinalis by : Lottie Vallis
Download or read book The Effect of Temperature on the Heart Rate of Triploid Brook Trout, Salvelinus Fontinalis written by Lottie Vallis and published by . This book was released on 2000 with total page 50 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :MacMillan, John L. (John Leland) Publisher :National Library of Canada = Bibliothèque nationale du Canada ISBN 13 :9780612338203 Total Pages :386 pages Book Rating :4.3/5 (382 download)
Book Synopsis Thermal Ecology of Brook Trout (Salvelinus Fontinalis) and Atlantic Salmon (Salmo Salar) in Impounded Streams [microform] : Behavioural Responses and Population Impacts by : MacMillan, John L. (John Leland)
Download or read book Thermal Ecology of Brook Trout (Salvelinus Fontinalis) and Atlantic Salmon (Salmo Salar) in Impounded Streams [microform] : Behavioural Responses and Population Impacts written by MacMillan, John L. (John Leland) and published by National Library of Canada = Bibliothèque nationale du Canada. This book was released on 1999 with total page 386 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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