National Horticultural Magazine
Author:
Publisher:
Published: 1922
Total Pages: 40
ISBN-13:
DOWNLOAD EBOOKRead and Download eBook Full
Author:
Publisher:
Published: 1922
Total Pages: 40
ISBN-13:
DOWNLOAD EBOOKAuthor: Geoff Nichols
Publisher:
Published: 2005
Total Pages: 175
ISBN-13: 9781919976174
DOWNLOAD EBOOKAuthor: Mildred Stapley Byne
Publisher:
Published: 1924
Total Pages: 360
ISBN-13:
DOWNLOAD EBOOKAuthor: Michael Begon
Publisher: John Wiley & Sons
Published: 2020-11-17
Total Pages: 864
ISBN-13: 1119279313
DOWNLOAD EBOOKA definitive guide to the depth and breadth of the ecological sciences, revised and updated The revised and updated fifth edition of Ecology: From Individuals to Ecosystems – now in full colour – offers students and practitioners a review of the ecological sciences. The previous editions of this book earned the authors the prestigious ‘Exceptional Life-time Achievement Award’ of the British Ecological Society – the aim for the fifth edition is not only to maintain standards but indeed to enhance its coverage of Ecology. In the first edition, 34 years ago, it seemed acceptable for ecologists to hold a comfortable, objective, not to say aloof position, from which the ecological communities around us were simply material for which we sought a scientific understanding. Now, we must accept the immediacy of the many environmental problems that threaten us and the responsibility of ecologists to play their full part in addressing these problems. This fifth edition addresses this challenge, with several chapters devoted entirely to applied topics, and examples of how ecological principles have been applied to problems facing us highlighted throughout the remaining nineteen chapters. Nonetheless, the authors remain wedded to the belief that environmental action can only ever be as sound as the ecological principles on which it is based. Hence, while trying harder than ever to help improve preparedness for addressing the environmental problems of the years ahead, the book remains, in its essence, an exposition of the science of ecology. This new edition incorporates the results from more than a thousand recent studies into a fully up-to-date text. Written for students of ecology, researchers and practitioners, the fifth edition of Ecology: From Individuals to Ecosystems is anessential reference to all aspects of ecology and addresses environmental problems of the future.
Author: Timothy Silver
Publisher: Cambridge University Press
Published: 1990-03-30
Total Pages: 220
ISBN-13: 9780521387392
DOWNLOAD EBOOKSilver traces the effects of English settlement on South Atlantic ecology, showing how three cultures interacted with their changing environment.
Author: R. K. Horst
Publisher: Springer Science & Business Media
Published: 2012-12-06
Total Pages: 1242
ISBN-13: 1468476823
DOWNLOAD EBOOKIt was a compliment to me to be asked to prepare the fourth edition of Westcott's Plant Disease Handbook, and the decision to accept the responsi bility for the fourth edition and now the fifth edition was not taken lightly. The task has been a formidable one. I have always had a great respect professionally for Dr. Cynthia Westcott. That respect has grown considerably with the completion of the two editions. I now fully realize the tremendous amount of effort expended by Dr. Westcott in developing the Handbook. A book such as this is never finished, since one is never sure that everything has been included that should be. I would quote and endorse the words of Dr. Westcott in her preface to the first edition: "It is easy enough to start a book on plant disease. It is impossible to finish it. " This revision of the Handbook retains the same general format contained in the previous editions. The chemicals and pesticides regulations have been updated; a few taxonomic changes have been made in the bacteria, fungi, and mistletoes; the changing picture in diseases caused by viruses and/or viruslike agents has been described. A few new host plants have been added, and many recently reported diseases as well as previously known diseases listed now on new hosts have been included. In addition, photographs have been replaced where possible, and the color photograph section has been retained.
Author: Dennis S. Hill
Publisher: Springer Science & Business Media
Published: 2012-12-06
Total Pages: 400
ISBN-13: 9401153485
DOWNLOAD EBOOKIn the last few decades there has been an ever-increasing component in most BSc Zoology degree courses of cell biology, physiology and genetics, for spectacular developments have taken place in these fields. Some aspects of biotechnology are now also being included. In order to accommodate the new material, the old zoology courses were altered and the traditional two-year basis of systematics of the animal kingdom, comparative anatomy (and physiology) and evolution, was either severely trimmed or reduced and presented in an abridged form under another title. Soon after these course alterations came the swing to modular teaching in the form of a series of shorter, separate courses, some of which were optional. The entire BSc degree course took on a different appearance and several different basic themes became possible. One major result was that in the great majority of cases taxonomy and systematics were no longer taught and biology students graduated without this basic training. We field biologists did appreciate the rising interest in ecology and environ mental studies, but at the same time lamented the shortage of taxonomic skills, so that often field work was based on incorrect identifications. For years many of us with taxonomic inclinations have been bedevilled by the problem of teaching systematics to undergraduates. At a guess, maybe only 5% of students find systematics interesting. It is, however, the very basis of all studies in biology - the correct identification of the organism concerned and its relationships to others in the community.
Author: B. Chandrasekaran
Publisher: New Age International
Published: 2010
Total Pages: 0
ISBN-13: 9788122427431
DOWNLOAD EBOOKAuthor: J. C. Cooper
Publisher: Thames & Hudson
Published: 1987-03-17
Total Pages: 505
ISBN-13: 0500770913
DOWNLOAD EBOOKIn nearly 1500 entries, many of them strikingly and often surprisingly illustrated, J. C. Cooper has documented the history and evolution of symbols from prehistory to our own day. With over 200 illustrations and lively, informative and often ironic texts, she discusses and explains an enormous variety of symbols extending from the Arctic to Dahomey, from the Iroquois to Oceana, and coming from systems as diverse as Tao, Christianity, Judaism, Buddhism, Islam, Tantra, the cult of Cybele and the Great Goddess, the Pre-Columbian religions of the Western Hemisphere and the Voodoo cults of Brazil and West Africa.
Author: M. Ingrouille
Publisher: Springer Science & Business Media
Published: 2012-12-06
Total Pages: 363
ISBN-13: 9401112320
DOWNLOAD EBOOKThe native British flora is today relatively ant species on the continent, such as Picea impoverished. Today the British Isles has a abies (Norway spruce), did not get into Britain flora of only about 1500 species of native in time. However, we must not over flowering plants. France and Spain, each emphasize the importance of Britain being an geographically only about twice the area, island. A comparison of floras on either side have 3-4 times as many species each. The of the English Channel shows that there are comparison is more marked when consider species present in England and not in ing the endemic species, those specialities of northern France as well as vice versa. Many each geographical region which grow of the species present in northern France but nowhere else. If only normal sexual species absent from England are weeds adapted to are considered, then there are only about 13 French agriculture. Others may be limited endemic species in the British Isles while 1000 not by the sea but by the climate. species are endemic to Spain. Nevertheless, the example of Ireland, However, the poverty of the British flora is which was isolated much earlier than the rest not a unique phenomenon. The whole of of the British Isles, does show the effect of north-western Europe, an area including isolation because it does have a much poorer northern France and much of Germany and flora and fauna.