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Texas, for years, was a one-party state controlled by white democrats. In 1962, a young eighteen-year-old heard the first rumblings of Chicano community organization in the barrios of Cristal. The rumor in the town was that five Mexican Americans were going to run for all five seats on the city council. But first, poor citizens had to find a way to pay the $1.75 poll tax. Money had to be raised—through bake sales of tamales, cake walks, and dances. So began the political activism of José Angel Gutiérrez. Gutiérrez's autobiography, The Making of a Chicano Militant, is the first insider's view of the important political and social events within the Mexican American communities in South Te...
The theory of ecological convergence underlies the biogeographers' maps of world biome-types. It also determines the degree to which ecological principles, derived from research on particular populations, communities or ecosystems, are generally valid, and hence also to what extent resource management principles are general. To quote Di Castri and Mooney (1973): "In effect, in order to assess the transfer of technology, it is essential to know to what extent information acquired from studying one particular ecosystem is applicable to another ecosystem of the same type but situated in a different location. " The five relatively small, isolated, mediterranean-climate zones of the earth, each w...
This concise textbook provides a comprehensive, practical guide for veterinary nurses and technicians who wish to develop their knowledge, confidence and skills when nursing the cardiac patient. Presentation of dogs or cats with heart disease is common, and it is vital that nurses understand how to look after these patients appropriately and support owners through what can often be challenging times. The book: Begins with basic anatomy and physiology, foundations required to understand the disease processes explained in later chapters Covers diseases seen in small animal practice, including congenital disease, heart failure and treatment options Gives the nurse a sound understanding of elect...
The fourth edition of Clinical Medicine of the Dog and Cat remains the most extensively illustrated and practical small animal veterinary textbook on the market. It continues and expands on the revolutionary problem-based approach of the previous three editions, with more than 1,100 clinical color photographs, diagrams, and tables. The book is divided into five color-coded sections—General Approach, Diagnostic Techniques, Disease of Specific Organ Systems, Multisystemic Disorders, and Elements of Therapy. For this edition: Case studies are integrated within the relevant chapters for ease of reference The first section on common medical problems now includes abdominal distension, peripheral...
The improvement of crop species has been a basic pursuit since cultivation began thousands of years ago. To feed an ever increasing world population will require a great increase in food production. Wheat, corn, rice, potato and few others are expected to lead as the most important crops in the world. Enormous efforts are made all over the world to document as well as use these resources. Everybody knows that the introgression of genes in wheat provided the foundation for the “Green Revolution”. Later also demonstrated the great impact that genetic resources have on production. Several factors are contributing to high plant performance under different environmental conditions, therefore an effective and complementary use of all available technological tools and resources is needed to meet the challenge.