The study of flood risks has a fundamental role in ensuring the safety cities near rivers and drawing up plans to protect them during future floods. This aims manage potential risks, Tikrit city was used as case study. daily discharge Tigris River area provided by Iraqi Ministry Water Resources from 2019 2022. HEC-RAS software utilized build 2-D model simulate scenarios. First, calibrated adjus...

the iranian persian chub is an endemic species of the family cyprinidae known only from few localities in drainages of southern iran. it was originally described in the genus pseudophoxinus as (pseudophoxinus persidis) and then petroleuciscus (as petroleuciscus persidis). in this study, we examined phylogenetic relationships of the iranian persian chubwith other relatives in the family cyprinid...

We revise the taxonomic status of two species of Madagascan chameleons in light of a recent molecular phylogenetic study on the Calumma nasutum group. The investigation of morphological and osteological characters led to a clear delineation between two species within the C. boettgeri complex, C. boettgeri and C. linotum. Calumma linotum has been considered either a synonym of C. boettgeri or a ...