Recently added articles from Bulletin (Southern California Academy of Sciences):
Die off and current status of southern steelhead trout (Oncorhynchus mykiss) in Malibu Creek, Los Angeles County, USA.(Report)
Apr 01, 2009; ... Abstract.--A die-off of native and exotic fish and invertebrate species, including the endangered southern steelhead trout (Oncorhynchus mykiss) was observed in Malibu Creek, Los Angeles County, during the summer and fall of 2006. Death was preceded by a period of illness during which ...
Gonadal restructuring during sex transition in California Sheephead: a reclassification three decades after initial studies.(Report)
Apr 01, 2009; ... Abstract. -- California Sheephead, Semicossyphus pulcher, is a monandric protogynous hermaphrodite and a commercially and recreationally valuable labrid. Gonadal functionality of Sheephead through sex change was reclassified into nine classes using current criteria for categorization ....
Surface-dwelling and subterranean invertebrate fauna associated with giant reed (arundo donax poaceae) in Southern California.(Report)
Apr 01, 2009; ... Abstract. -- In the southwestern United States giant reed, Arundo donax, is a nonnative invasive plant that has become widely established in moist places and forms its largest stands along riparian corridors. The most widely reported negative effects include competition with native ...
Morphometric Comparison of blue catfish Ictalurus furcatus (Lesueur, 1840) from Northern and Southern Atlantic Drainages of Mexico.(Report)
Apr 01, 2009; ... Abstract. -- A morphometric comparison was performed on specimens of blue catfish (Ictalurus furcatus) from northern (Lower Rio Bravo) and southern (Chiapas) Mexico in order to identify diagnostic characters that allow their discrimination. The discriminant function analysis determined ...
New records of Pseudionine Bopyrid Isopods, including two new Species and one new Genus, infesting Porcellanid Crabs (Decapoda: Anomura) on the Pacific coast of North and Central America.
Dec 01, 2008; ... Abstract.--Aporobopyrus bourdonis, new species, earlier reported from the Pacific coast of Mexico but never described, infests Petrolisthes edwardsii (de Saussure), the same host species as before, in Costa Rica. Aporobopyrus muguensis Shiino, 1964, previously reported several times along ...