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Dominant throughout the temperate northern hemisphere, conifers form the backbone of boreal ecosystems. This comprehensive reference work explains the complex life cycles of these trees. Based on more than five decades of study, Graham R. Powell provides an illustrated, guided tour of conifers from seed and reproduction to old age and death. Focusing on the most common species, Powell offers a clear picture of conifers--a type of tree that pla...

Describes causes, influences and corresponding investigation for each of the problems that face clinical psychologists, outlining approaches to evidence-based treatment. This book provides guidance on treatments for disorders including depression, sexual dysfunction, psychosis, substance misuse disorders, social phobia and personality disorder.