Bulletin (Southern California Academy of Sciences) articles from December 2008

Bulletin (Southern California Academy of Sciences) archives from December 2008

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.
December 1, 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,...

Genetic variation in the endangered Astragalus jaegerianus (Fabaceae, Papilionoideae): a geographically restricted species.
December 1, 2008... Abstract.--Knowledge of genetic variation and population structure is critically important in the conservation of endangered species. The level and partitioning of genetic variation in the narrow endemic Astragalus jaegerianus was investigated...

Impacts of cotyledon removal on survival of blackbrush (Coleogyne ramosissima: rosaceae) seedlings.(Research Notes)
December 1, 2008... Introduction Despite the ecological importance of the regeneration stage of plant life histories (Grime 2001), some of the factors affecting seedling survival, including the interaction between seedlings and their herbivores, are not...

Length-weight relationships of select common nearshore Southern California Marine Fishes.(Research Notes)
December 1, 2008... Growth dynamics of marine fish is often critical for fisheries analysis. Frequently only lengths are measured during ecological surveys, occasionally with aggregate weights by species (Allen and Herbinson 1990; Pondella and Allen 2000; Allen et...