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Author : F. E. Fritsch
Publisher :
ISBN 13 :
Total Pages : 72 pages
Book Rating : 4.:/5 (488 download)
Download or read book Freshwater Algae (exclusive of Diatoms) Mainly from the Transkei Territories, Cape Colony written by F. E. Fritsch and published by . This book was released on 1921 with total page 72 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Felix Eugene Fritsch
Publisher :
ISBN 13 :
Total Pages : 72 pages
Book Rating : 4.:/5 (663 download)
Download or read book Contributions to our knowledge of the freshwater algae of Africa. 3. Freshwater algae (exclusive of diatoms), mainly from the Transkei Territories, Cape Colony written by Felix Eugene Fritsch and published by . This book was released on 1921 with total page 72 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Royal Society of South Africa
Publisher :
ISBN 13 :
Total Pages : 910 pages
Book Rating : 4.1/5 (8 download)
Download or read book Transactions of the Royal Society of South Africa written by Royal Society of South Africa and published by . This book was released on 1920 with total page 910 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Marinus J.A. Werger
Publisher : Springer Science & Business Media
ISBN 13 : 9400999518
Total Pages : 1402 pages
Book Rating : 4.4/5 (9 download)
Download or read book Biogeography and Ecology of Southern Africa written by Marinus J.A. Werger and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 1402 pages. Available in PDF, EPUB and Kindle. Book excerpt: Southern Africa is certainly not a naturally bounded area so that there are several possibilities for delineating it and concepts about its extent. Wellington* discussed the various possibilities for delineation and suggested that one line stands out more clearly and definitely as a physical boundary than any other, namely the South Equatorial Divide, the watershed between the ZaIre, Cuanza and Rufiji Rivers on the one hand and the Z ambezi, Cunene and Rovuma Rivers on the other. This South Equatorial Divide is indeed a major line of separation for some organisms and is also applicable in a certain geographical sense, though it does not possess the slightest significance for many other groups of organisms, ecosystems or geographical and physical features of Africa. The placing of the northern boundary of southern Africa differs in fact strongly per scientific dis cipline and is also influenced by practical considerations regarding the possibilities of scientific work as subordinate to certain political realities and historically grown traditions. This is illustrated, for example, in such works as the Flora of Southern Africa, where the northern boundary of the area is conceived as the northern and eastern political boundaries of South West Africa, South Africa and Swaziland. Botswana, traditionally included in the area covered by the Flora Zambesiaca, thus forms a large wedge in 'Southern Africa'.
Author : Joseph Caffrey
Publisher : Springer Science & Business Media
ISBN 13 : 9401157820
Total Pages : 338 pages
Book Rating : 4.4/5 (11 download)
Download or read book Management and Ecology of Freshwater Plants written by Joseph Caffrey and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 338 pages. Available in PDF, EPUB and Kindle. Book excerpt: There is a growing need for appropriate management of aquatic plants in rivers and canals, lakes and reservoirs, and drainage channels and urban waterways. This management must be based on a sound knowledge of the ecology of freshwater plants, their distribution and the different forms of control available including chemical, physical, biological and biomanipulation. This series of papers from over 20 different countries was generated from the highly successful European Weed Research Society symposia on aquatic plant management, this being the ninth. The contributions provide a valuable insight into the complexities involved in managing aquatic systems, discuss state-of-the-art control techniques such as biomanipulation using fish and waterfowl and the use of straw, and deal with patterns of regrowth and recovery post-management. Careful consideration is given to the use of chemicals, a practice which has come under scrutiny in recent years. Underpinning the development of such control techniques is a growing body of knowledge relating to the biology and ecology of water plants, including growth responses under different trophic conditions, the impact of pollution, and aspects of photosynthesis. The authorship of the papers represents the collective wisdom of leading scientists and experts from fisheries agencies, river authorities, nature conservation agencies, the agrochemical industry and both governmental and non-governmental organisations.
Author :
Publisher :
ISBN 13 :
Total Pages : 590 pages
Book Rating : 4.:/5 (35 download)
Download or read book Memoir written by and published by . This book was released on 1916 with total page 590 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Mary R. S. Creese
Publisher : Scarecrow Press
ISBN 13 : 0810872897
Total Pages : 260 pages
Book Rating : 4.8/5 (18 download)
Download or read book Ladies in the Laboratory III written by Mary R. S. Creese and published by Scarecrow Press. This book was released on 2010-02-08 with total page 260 pages. Available in PDF, EPUB and Kindle. Book excerpt: Published in 1998, Ladies in the Laboratory provided a systematic survey and comparison of the work of 19th-century American and British women in scientific research. A companion volume, published in 2004, focused on women scientists from Western Europe. In this third volume, author Mary R.S. Creese expands her scope to include the contributions of 19th- and early 20th-century women of South Africa, Australia, New Zealand, and Canada. The women whose lives and work are discussed here range from natural history collectors and scientific illustrators of the early and mid years of the 19th century to the first generation of graduates of the new colonial colleges and universities. Rarely acknowledged in publications of the British and European specialists, the contributions of these women nonetheless formed a significant part of the natural history information about extensive, previously unknown regions and their products. Rather than a biographical dictionary or a collection of self-contained essays on individuals from many time periods, Ladies in the Laboratory III is a connected narrative tied into the wider framework of 19th-century science and education. A well-organized blend of individual life stories and quantitative information, this volume is for everyone interested in the story of women's participation in 19th century science. The stories of these women make for fascinating reading and serve as a valuable source for the student of women's and colonial history.
Author : M. J. A. Werger
Publisher :
ISBN 13 :
Total Pages : 800 pages
Book Rating : 4.3/5 (91 download)
Download or read book Biogeography and Ecology of Southern Africa written by M. J. A. Werger and published by . This book was released on 1978 with total page 800 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Jacques van Mieghem
Publisher :
ISBN 13 :
Total Pages : 832 pages
Book Rating : 4.:/5 (51 download)
Download or read book Monographiae Biologicae written by Jacques van Mieghem and published by . This book was released on 1965 with total page 832 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Farlow Reference Library and Herbarium
Publisher :
ISBN 13 :
Total Pages : 638 pages
Book Rating : 4.E/5 ( download)
Download or read book Catalog of the Farlow Reference Library of Cryptogamic Botany, Harvard University: Author catalog written by Farlow Reference Library and Herbarium and published by . This book was released on 1979 with total page 638 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Geological Survey (South Africa)
Publisher :
ISBN 13 :
Total Pages : 656 pages
Book Rating : 4.:/5 (319 download)
Download or read book Memoir - Geological Survey written by Geological Survey (South Africa) and published by . This book was released on 1946 with total page 656 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Freshwater Biological Association
Publisher :
ISBN 13 :
Total Pages : 830 pages
Book Rating : 4.3/5 (91 download)
Download or read book Collected Papers written by Freshwater Biological Association and published by . This book was released on 1955 with total page 830 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 564 pages
Book Rating : 4.3/5 (91 download)
Download or read book Archiv für Hydrobiologie written by and published by . This book was released on 1994 with total page 564 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Qing hua da xue (Beijing, China)
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.3/5 (91 download)
Download or read book The Science Reports of National Tsing Hua University written by Qing hua da xue (Beijing, China) and published by . This book was released on 1931 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 52 pages
Book Rating : 4.X/5 (1 download)
Download or read book Acta Botanica Fennica written by and published by . This book was released on 1968 with total page 52 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Simone M. F. Silva
Publisher :
ISBN 13 :
Total Pages : 468 pages
Book Rating : 4.:/5 (318 download)
Download or read book Benthic Marine Cyanophyceae from Kwa-Zulu Natal, South Africa written by Simone M. F. Silva and published by . This book was released on 2000 with total page 468 pages. Available in PDF, EPUB and Kindle. Book excerpt: The marine Cyanophyceae of southern Africa are poorly known. Several marine substrata, along the Kwa-Zulu Natal Coast (South Africa) have been examined for cyanophytes. Enrichment cultures were prepared using Provasoli's enriched culture medium, and incubated under 20°C and 2Omumol.m-2 sect. Sixty-six taxa were identified. Eight failed to grow in either enrichment or unialgal cultures. Two of these were studied based only on the enrichment cultures and six only on the wild material. The sixty-six taxa belong to three orders, fourteen families and thirty-four genera. This study strongly shows that some characteristics used in the taxonomy of the Cyanophyceae are not stable and may vary depending on the environmental/cultural conditions under which the specimen grows.
Author : Dulau & Co., ltd., Booksellers, London
Publisher :
ISBN 13 :
Total Pages : 420 pages
Book Rating : 4.3/5 (91 download)
Download or read book Catalogue written by Dulau & Co., ltd., Booksellers, London and published by . This book was released on 1934 with total page 420 pages. Available in PDF, EPUB and Kindle. Book excerpt:
