Stable isotopes of carbon (δ13C) and oxygen (δ18O) in otolith cores (first 2 mo of age) of young-of-the-year (YOY) yellowfin tuna Thunnus albacares were used as natural tracers to predict the nursery origin of sub-adults (age-1) collected from the Hawaiian Islands. YOY fish were first collected from nurseries throughout the western and central Pacific Ocean (WCPO) to determine whether δ13C and ...

No-take marine fishery reserves sustain commercial stocks by acting as buffers against overexploitation and enhancing fishery catches in adjacent areas through spillover. Likewise, nursery habitats such as mangroves enhance populations of some species in adjacent habitats. However, there is lack of understanding of the magnitude of stock enhancement and the effects on community structure when b...

Summary In order to examine the Summary .growth status or children in Tehran nurseries in comparison to the international standards, height and Weight in 526 boys and 557 girls 3 to 7 year old in 7 nurseries located in the well­to-do areas of the capital were surveyed and compared to the National Center for Health Statistics figures. 54.5% or the children were between -1 SD to + 1 SD weight fo...