Woody plants provide many challenges to the tissue culturist. Although there are many excellent tissue culture books and manuals available, these are generally strongly biased towards herbacious crops. Consequently, they often do not pay sufficient attention to the problems that specifically apply to in vitro culture of tree species. Culture of the latter often poses problems which are either absent or of lesser significance when culturing herbacious species. When trees in the field are used as explant source, the problems can be especially severe. For example, the physiological condition of the explants is difficult to control because of variation in weather and biotic factors. Furthermore, it is often difficult to obtain explants free of contaminants from field grown trees. Lack of genetic uniformity and maturation are additional problems one often has to deal with when culturing tree cells or tissues. These problems are emphasized in this text. In vitro culture of trees is not viewed in isolation. It is considered in conjunction with breeding, traditional cloning and other common tree improvement techniques. The text discusses theoretical as well as practical aspects of the in vitro culture of trees.
Woody plants provide many challenges to the tissue culturist. Although there are many excellent tissue culture books and manuals available, these are generally strongly biased towards herbacious crops. Consequently, they often do not pay sufficient attention to the problems that specifically apply to in vitro culture of tree species. Culture of the latter often poses problems which are either absent or of lesser significance when culturing herbacious species. When trees in the field are used as explant source, the problems can be especially severe. For example, the physiological condition of the explants is difficult to control because of variation in weather and biotic factors. Furthermore, it is often difficult to obtain explants free of contaminants from field grown trees. Lack of genetic uniformity and maturation are additional problems one often has to deal with when culturing tree cells or tissues. These problems are emphasized in this text. In vitro culture of trees is not viewed in isolation. It is considered in conjunction with breeding, traditional cloning and other common tree improvement techniques. The text discusses theoretical as well as practical aspects of the in vitro culture of trees.
Research on the large array of tropical estuarine fishes has increased markedly in recent years and hence scientific knowledge about most aspects of these important fishes' biology and ecology is now catching up with that of their temperate equivalents. This landmark book draws together a vast wealth of information on tropical estuarine fishes and provides a vital reference point for all aspects of their study. The book's comprehensive contents include thorough coverage of the types and distribution of these fishes, their diversity and the environmental conditions and communities in which they live. Full details of their biology and ecology are an integral part of this book, as are details of these fishes' dependence on estuaries, man's interaction with the estuarine fish community and the conservation of estuarine species and the often threatened habitats upon which they depend. The author, Stephen Blaber, has a vast wealth of experience in the subject areas covered by this book and has produced a stimulating and extremely valuable volume that will be of huge importance for all those concerned with these fishes. He is based at CSIRO Marine Research, Cleveland, Queensland, Australia. Readership should include: fish biologists; fisheries scientists; aquatic scientists including those concerned with brackish, marine and freshwater environments; ecologists; environmental scientists and population biologists. Students studying for qualifications in fish biology and fisheries, particularly where there is a tropical element to their course will find this book of great value as a reference. Copies of the book should be available on the shelves of all libraries in research establishments and universities where biological sciences, fish biology, fisheries science or aquatic sciences are studied and taught.
Recent years have witnessed a surge in interest the Pacific world as a hub for the global trade in art objects. Yet, the history of art and architecture has seldom reckoned with another profound aspect of the region's history: its exposure to global conflict. Art and War in the Pacific World provides a new view of the Pacific world, and of global artistic interaction, by exploring how the making, alteration, looting, and destruction of images, objects, buildings, and landscapes intersected with the exercise of force during the British and U.S. military incursions of the eighteenth and nineteenth centuries"--Provided by publisher.
Malawi, established as the British protectorate of Nyasaland in 1891, gained its independence in 1964 and moved immediately into three decades of one-party rule. Since the mid-1990s, however, the country has held multi-party elections, as directed by its constitution, and President Bingu wa Mutharika is currently serving his second term. The fourth edition of the Historical Dictionary of Malawi, now newly expanded and updated, covers a wide range of areas in Malawi history, including the rise and fall of state systems, religious and socio-political movements, the economy, environment, transportation, war, disease, and natural sciences. Author Owen J. M. Kalinga charts developments from pre-history to the post-Banda Malawi, from Tom Bokwito to James Sangala, and from the UMCA mission at Magomero to the second term of Bingu wa Mutharika's presidency, paying particular attention to the individuals, groups, communities, and forces that have molded this South African country. The dictionary itself contains over 1,000 cross-referenced entries on crucial aspects of Malawi history, and it is the most extensive single-volume reference work on Malawi available. In addition to the dictionary entries, Kalinga provides a chronology containing important dates and events and an informative bibliographical section organized by subject. The final part of the bibliography gives the reader a list of current and obsolete newspapers and periodicals related to Malawi, an ideal resource for further research. This newly updated edition is an excellent access point for students, researchers, and anyone wanting to know more about Malawi.
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