Compared Studies on Recognition of Marine Underwater Biological Scattering Layers

Journal of Applied Biological Sciences

Erhan MUTLU¹ 

关键词: Biacoustics;    fish;    zooplankton;    Turkish seas;   

DOI  :  

学科分类：生物科学（综合）

来源: Nobel Bilim ve Arasirma Merkezi/Nobel Science and Research Cente

【 摘 要 】

Directidentificationoforganismsatspecieslevel,oneofthemajorproblemsinbioacoustics,wasreviewedwithcomparisonbetweenempirical/experimentalandobservatoryacousticsonbehavioralnaturesascertainedtothespecies(dielverticalmigration,responsetoambiance,schoolshapes).Nextprogressesinbiacousticspromisesurelygatesoontofulfillsolutionoftheproblems.Presently,currentacousticalknowledgerequiredbehavioralcharacterizationidenticaltoorganismstargetedfordirectidentification.Integratingsuchtechniqueswithpreviouslyobtainedbackgroundknowledgeoncharacteristicsspecifictocertainorganisms,acoustictechniquesallowasignificantlylargerareaoftheoceaninteriortobesurveyedataquitefinerresolutiononecologyofthescatterersthanconventionalmethods.Forinstance,Calanuseuxinus(copepod)andSagittasetosa(cheatognath)havedistinctpatternsofverticalmigrationandtimespentswimming,dependingontheDOconcentrationofthewatercolumnintheBlackSea.

【 授权许可】

Unknown