.................................................... 8 INTRODUCTION. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 9 METHODS ...................................................... 10 Tennant method ............................................. 10 Modified Tennant method ..................................... 11 Single Cross-Section method ...........

In the present study, mitochondrial DNA polymerase chain reaction-restriction fragment length polymorphism (PCR-RFLP) assay was used to assess the population structure and genetic relationships among six Persian sturgeon, Acipenser persicus populations from south Caspian Sea along the Iranian coast. The complete nucleotide dehydrogenase subunit 5 (NADH 5) region of mtDNA amplified by PCR was di...

in the present study, mitochondrial dna polymerase chain reaction-restriction fragment length polymorphism (pcr-rflp) assay was used to assess the population structure and genetic relationships among six persian sturgeon, acipenser persicus populations from south caspian sea along the iranian coast. the complete nucleotide dehydrogenase subunit 5 (nadh 5) region of mtdna amplified by pcr was di...

We describe two new species of pebblesnails (Lithoglyphidae: Fluminicola) from southwest Oregon based on morphologic and mitochondrial DNA (COI, cytB) evidence. Fluminicola umpquaensissp. n., which had been traditionally identified as F. virens prior to the recent restriction of the latter to the lower Columbia River drainage, lives in lotic habitats in the Umpqua River basin. This species is r...

We reviewed the conservation status of rare and endangered species of mussels in southeastern Oklahoma by completing surveys of 10 long-term monitoring sites on the Kiamichi River and five sites in the Little River. We found extant populations of the Ouachita rock pocketbook, Arkansia wheeleri, scaleshell, Leptodea leptodon, winged mapleleaf, Quadrula fragosa, and rabbitsfoot, Quadrula cylindri...