Gasterias of South Africa PDF Download
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Author: Ernst J. van Jaarsveld
Publisher:
ISBN:
Category : Botany
Languages : en
Pages : 104
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Book Description
Author: Ernst J. van Jaarsveld
Publisher:
ISBN:
Category : Botany
Languages : en
Pages : 104
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Book Description
Author: Doreen Court
Publisher:
ISBN:
Category : Botany
Languages : en
Pages : 248
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Book Description
Author: M. B. Bayer
Publisher:
ISBN:
Category : Haworthia
Languages : en
Pages : 80
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Book Description
Author: Klaus Kubitzki
Publisher: Springer Science & Business Media
ISBN: 3662035332
Category : Science
Languages : en
Pages : 488
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Book Description
When Rolf Dahlgren and I embarked on preparing this book series, Rolf took prime responsibility for monocotyledons, which had interested him for a long time. After finishing his comparative study and family classification of the mono cots, he devoted much energy to the acquisition and editing of family treatments for the present series. After his untimely death, Peter Goldblatt, who had worked with him, continued to handle further incoming monocot manuscripts until, in the early 1990s, his other obligations no longer allowed him to continue. At that time, some 30 manuscripts in various states of perfection had accumulated, which seemed to form a solid basis for a speedy completion of the FGVP monocots; with the exception of the grasses and orchids which would appear in separate volumes. I felt a strong obligation to do everything to help in publishing the manuscripts that had been put into our hands. I finally decided to take charge of them personally, although during my life as a botanist I had never seriously been interested in mono cots.
Author: Doreen Court
Publisher: CRC Press
ISBN: 9789058093233
Category : Science
Languages : en
Pages : 318
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Book Description
This practical guide describes the stage by stage development of a new method for predicting the penetration rate (PR) and the advance rate (AR) for tunnel boring machines based on an expanded version of the Q-value, Qtbm.The book also looks at logging methods and tunnel support design.
Author: Edward Augustus Bowles
Publisher:
ISBN:
Category : Floriculture
Languages : en
Pages : 410
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Book Description
Author: Bruce Bayer
Publisher:
ISBN:
Category : Science
Languages : en
Pages : 268
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Book Description
Author: Sara Oldfield
Publisher: World Conservation Union
ISBN: 9782831703909
Category : Nature
Languages : en
Pages : 214
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Book Description
Found in a variety of forms, cacti and other succulents have elicited widespread interest and tremendous popularity worldwide. Although the subject of a certain amount of debate, about 10,000 species are recognized as belonging to the succulent group. Of these, an estimated 2,000 are threatened with global extinction in the wild and many more are regionally or nationally threatened mainly due to habitat destruction and collection for international trade.This Action Plan brings together from around the world current information on population status, threats and conservation of this particularly important group of plants. Prepared with conservationists, scientists, governments, protected area managers and grant-awarding bodies in mind, it suggests priorities for action and encourages collaboration among interested parties at all levels.
Author: Urs Eggli
Publisher: Springer Science & Business Media
ISBN: 3642567150
Category : Science
Languages : en
Pages : 399
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Book Description
This handbook, consisting of six volumes, covers over 9000 taxa of succulents (excluding cacti), which have the ability to store water in their stems, leaves, or underground organs. In addition to the volumes on Monocotyledons and Dicotyledons, separate volumes are devoted to those families with predominantly succulent members, which show an especially great diversity, namely Aizoaceae, Asclepiadaceae and Crassulaceae. Following an alphabetical listing of families, genera and species, detailed descriptions are given, including the taxonomy with synonyms, data on the distribution and ecology, references, and keys to genera, species or subspecies. Over 2000 superb colour photographs complete this inventory of succulent plants.
Author: H. F. Glen
Publisher: Jacana Media
ISBN: 9781919931173
Category : Gardening
Languages : en
Pages : 448
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Book Description
A listing of almost 9000 kinds of plants known to be cultivated in Southern Africa, or to have been tried here. The information is derived from a database containing details mainly of specimens archived in the National Herbarium, Pretoria.
