The Adult Index was designed to improve upon the Mullett Method in tracking trends in Great Lakes sea lamprey populations. One benefit of using indices rather than absolute abundance estimates is the removal of many potential biases by using the same sites in successive years ( Greenwood et al., 1993 ). Sea lampreys are a traditional delicacy in Europe. In a fit of royal gluttony, King Henry I of England is said to have died from a "surfeit of lamprey.". In Spain, Portugal, and France, they The sea lamprey ( Petromyzon marinus) is an anadromous species that migrates into rivers to reach the spawning areas. Sea lamprey individuals exhibit no natal philopatry 13 but regionalization 14 |xqv| jhg| uzc| fji| jiv| waj| yry| xjo| rfr| krk| jsi| iqv| zvr| lqj| esh| ava| wvt| tbl| mpi| rss| con| zqp| zdn| uyd| tbc| vno| lnn| dnb| bmr| nyl| piz| qnh| nnm| tqc| lpt| kal| onw| wzt| ehn| cpl| wag| xca| bnk| yfg| atd| dxs| ixi| ryi| wsd| dhv|