We, NMFS, have completed a comprehensive status review of the Southeast Alaska Distinct Population Segment (DPS) of Pacific herring (Clupea pallasii) under the Endangered Species Act (ESA). Based upon the best scientific and commercial data available, we conclude that listing the Southeast Alaska DPS of Pacific herring is not warranted at this time. We also announce the availability of the stat...

the genus helichrysum (asteraceae),is comprised of approximately 500-600 species and used for the treatment of a variety of pathological conditions in folk medicine in many countries. in this study, antioxidant activities of aerial parts ofh. pseudoplicatum were investigated employing various in vitro assay systems, i.e. 2,2-diphenyl-1-picrylhydrazyl (dpph) and nitric oxide radical scavenging, ...

to understand the compatibility of xylem with dry climates, wood anatomy similarities anddifferences of four shrubs were investigated in dry and cold region of sarab (azarbaijan sharghiprovince). these shrubs were: pteropyrum olivieri, rosa canina, tamarix gallica, and rhamnuspallasii, while the wood anatomy of pteropyrum sp. is reported for the first time, in this research.after preparing micr...

The Exxon Valdez oil spill occurred in March 1989 in Prince William Sound, Alaska, and was one of the worst environmental disasters on record in the United States. Despite long-term data collection over the nearly three decades since the spill, tremendous uncertainty remains as to how significantly the spill affected fishery resources. Pacific herring (Clupea pallasii) and some wild Pacific sal...

We examined the geographic distribution and magnitude of three persistent organic pollutants (POPs) in Pacific herring, representing three populations from Puget Sound, Washington State, USA and three from the Strait of Georgia (British Columbia, Canada and Washington State). We measured PCBs, DDTs and DDT isomers, and hexachlorobenzene in whole herring using high performance liquid chromatogra...

The article provides information about rare and newly described species for the flora of Urals adjacent territories, namely: Astragalus saphronovae Kulikov, Atraphaxis decipiens Jaub. et Spach., Carex amgunensis F. Schmidt, Galium densiflorum Ledeb., Jovibarba globifera (L.) J. Parn., Najas minor All., Potamogeton nodosus Poir., Pseudorchis albida Á. Löve D. Löve, Salix myrsinites L., Veronica ...

Foram avaliados vários métodos de extração para os extratos hidroalcoólicos das folhas de “guaco” (Mikania glomerata Spreng.): maceração, maceração com ultra-som, infusão e extração por fluido supercrítico. Dentre os métodos estudados, a maceração com ultra-som proporcionou os melhores resultados, especialmente considerando-se a relação rendimento da extração/ tempo de extração. A cromatografia...