– Introduction to Economic Analysis is the introductory course of the theory concentration major in Economics. It is intended for students who wish to begin their formal study of economic reasoning. Its goal is to develop concepts and analytical tools that economists use to understand general social and economic phenomena. As such it relies on a higher level of abstraction and focuses on the co...

Caryological studies were carried out on ten species of the genus Suaeda belonging to 27 samples of different populations in Iran. Important chromosome features including numbers, lengths, centromere locations and caryotypes were studied. All the species have basic chromosome numbers of x=9. Chromosome counts of S. acuminata (C.A.Mey.) Moq. (2n=18), S. aegyptiaca (Hasselq.) Zoh., (2n=l8)...

Large areas of the Panama Canal Watershed have been converted to monocultures teak ( Tectona grandis ), a non-native timber species that is generally not providing hoped-for economic and ecological benefits Forest Landscape Restoration. Enrichment planting offers potential strategy for revitalizing these underperforming plantations through addition high-value, native understory, but more inform...

For generations, nomadic herders have been learning to manage herd health, particularly in dromedaries because of their great value. Owing to the unavailability of veterinary services, camel herders in remote areas have been developing their own pharmacopoeia and veterinary techniques. The bleeding of sick animals is a common treatment, as Tuareg herders believe that 'tainted blood' (izni) is t...

Allelic diversity at the self-incompatibility (S-) locus in the ground cherry, Physalis crassifolia (Solanaceae), was surveyed in a natural population occurring in Deep Canyon, CA, using a molecular assay to determine the genotype of individual plants. A total of 28 different S-alleles were identified and sequenced from a sample of 22 plants. All plants examined were heterozygous, as expected u...