1. Introduction
Since thebeginningofthetwentiethcentury,humanpopula-
tion hasbeengrowingatanunprecedentedrate(Keyfitz, 1989),
causing seriousdamagetotheearthecosystemandaltering
global climate(Schneider, 1989). Inthemeantime,human
activities haveconcentratedalongriverbanksandmarinecoast-
lines, makingtheseshallowaquaticecosystemsparticularly
exposed toanthropogenicinfluencesandeutrophication.Asa
result, acombinationofincreasedtemperatureandreduced
oxygen availabilityiscurrentlyimpinginguponseveralfresh-
water andmarinefishpopulations(Ficke etal.,2007; Rabalais
et al.,2009). Inthatcontext,prospectsarethattheinvolvementof
hypoxia andheattoleranceindeterminingindividualfitnessis
likely toincreaseinmanyfishpopulations.
1. IntroductionSince thebeginningofthetwentiethcentury,humanpopula-tion hasbeengrowingatanunprecedentedrate(Keyfitz, 1989),causing seriousdamagetotheearthecosystemandalteringglobal climate(Schneider, 1989). Inthemeantime,humanactivities haveconcentratedalongriverbanksandmarinecoast-lines, makingtheseshallowaquaticecosystemsparticularlyexposed toanthropogenicinfluencesandeutrophication.Asaresult, acombinationofincreasedtemperatureandreducedoxygen availabilityiscurrentlyimpinginguponseveralfresh-water andmarinefishpopulations(Ficke etal.,2007; Rabalaiset al.,2009). Inthatcontext,prospectsarethattheinvolvementofhypoxia andheattoleranceindeterminingindividualfitnessislikely toincreaseinmanyfishpopulations.
การแปล กรุณารอสักครู่..