New Lepidium (Brassicaceae) from New Zealand PDF Download
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Author: Peter James De Lange
Publisher: PenSoft Publishers LTD
ISBN: 9546426881
Category : Lepidium
Languages : en
Pages : 155
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Book Description
The vascular flora of New Zealand contains an estimated 2400 species of indigenous plant, of which a staggering 83% are endemic. Nevertheless, despite the 244 years of botanical exploration there are still many flowering plants left to formally describe from New Zealand. In this issue of PhytoKeys the diversity of the endemic Cook’s Scurvy grass (Lepidium oleraceum) is subjected to a modern taxonomic treatment, recognising in the process ten new endemic species, and accepting six others described by past workers. This issue includes detailed descriptions for all 16 Lepidium species and discusses their ecology, ethnobotany and conservation status. A dichotomous key to the naturalised and indigenous Lepidium of the New Zealand archipelago is also provided.
Author: Peter James De Lange
Publisher: PenSoft Publishers LTD
ISBN: 9546426881
Category : Lepidium
Languages : en
Pages : 155
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Book Description
The vascular flora of New Zealand contains an estimated 2400 species of indigenous plant, of which a staggering 83% are endemic. Nevertheless, despite the 244 years of botanical exploration there are still many flowering plants left to formally describe from New Zealand. In this issue of PhytoKeys the diversity of the endemic Cook’s Scurvy grass (Lepidium oleraceum) is subjected to a modern taxonomic treatment, recognising in the process ten new endemic species, and accepting six others described by past workers. This issue includes detailed descriptions for all 16 Lepidium species and discusses their ecology, ethnobotany and conservation status. A dichotomous key to the naturalised and indigenous Lepidium of the New Zealand archipelago is also provided.
Author: Michael Heads
Publisher: CRC Press
ISBN: 1315351218
Category : Science
Languages : en
Pages : 652
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Book Description
Biogeography and Evolution in New Zealand provides the first in-depth treatment of the biogeography of New Zealand, a region that has been a place of long-enduring interest to ecologists, evolutionary scientists, geographers, geologists, and scientists in related disciplines. It serves as a key addition to the contemporary discussion on regionalization—how is New Zealand different from the rest of the world? With what other areas does it share its geology, history, and biota? Do new molecular phylogenies show that New Zealand may be seen as a biological ‘parallel universe’ within global evolution?
Author:
Publisher: ScholarlyEditions
ISBN: 1464963452
Category : Science
Languages : en
Pages : 3676
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Book Description
Issues in Life Sciences: Botany and Plant Biology Research: 2011 Edition is a ScholarlyEditions™ eBook that delivers timely, authoritative, and comprehensive information about Life Sciences—Botany and Plant Biology Research. The editors have built Issues in Life Sciences: Botany and Plant Biology Research: 2011 Edition on the vast information databases of ScholarlyNews.™ You can expect the information about Life Sciences—Botany and Plant Biology Research in this eBook to be deeper than what you can access anywhere else, as well as consistently reliable, authoritative, informed, and relevant. The content of Issues in Life Sciences: Botany and Plant Biology Research: 2011 Edition has been produced by the world’s leading scientists, engineers, analysts, research institutions, and companies. All of the content is from peer-reviewed sources, and all of it is written, assembled, and edited by the editors at ScholarlyEditions™ and available exclusively from us. You now have a source you can cite with authority, confidence, and credibility. More information is available at http://www.ScholarlyEditions.com/.
Author: Urs Eggli
Publisher: Springer Nature
ISBN: 3030934926
Category : Science
Languages : en
Pages : 1155
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Book Description
The succulent species of the families of subclass Rosidae are presented by alphabet of families, genera, and species, with comprehensive listings of synonyms added at all levels. Detailed descriptions are given for all accepted taxa, together with data on the distribution and typification, and references to the most important literature. Where necessary, information on ecology, ethnobotany, history, etc. is added, and in many places, proposed relationships are critically discussed. The volume covers the succulents from the families Anacardiacae, Begoniaceae, Bixaceae, Brassicaceae, Burseraceae, Capparaceae, Caricaceae, Clusiaceae, Cucurbitaceae, Euphorbiaceae, Fabaceae, Francoaceae, Geraniaceae, Malvaceae, Melastomataceae, Meliaceae, Moraceae, Moringaceae, Oxalidaceae, Passifloraceae, Sapindaceae, Tropaeolaceae, Urticaceae, Vitaceae and Zygophyllaceae.
Author: Peter Vitousek
Publisher: Springer Science & Business Media
ISBN: 3642789633
Category : Science
Languages : en
Pages : 246
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Book Description
Oceanic islands represent a set of systems in which biological diversity varies as a consequence of remoteness or size, not environment; they are also generally simpler than continental ecosystems. Islands therefore provide an opportunity to determine the direct effects of biological diversity on ecosystem function. The volume addresses the components of biological diversity on islands and their patterns of variation; the modern threats to the maintenance of biological diversity on islands; the consequences of island biology and its modification by humanity regarding aspects of ecosystem function; the global implications of islands for conservation; and how islands can help one to understand the processes inducing changes throughout the world.
Author: Adam Stow
Publisher: Cambridge University Press
ISBN: 1107033543
Category : Nature
Languages : en
Pages : 687
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Book Description
A detailed, research-informed synthesis of the current issues facing the Australasian biota and the challenges involved in their conservation.
Author:
Publisher:
ISBN:
Category : Botany
Languages : en
Pages : 652
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Book Description
Author: Michael Heads
Publisher: Cambridge University Press
ISBN: 1107041023
Category : Nature
Languages : en
Pages : 507
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Book Description
A fascinating analysis of the main patterns of distribution and evolution of the Australasian biota.
Author: Renate Schmidt
Publisher: Springer Science & Business Media
ISBN: 1441971181
Category : Science
Languages : en
Pages : 675
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Book Description
The Genetics and Genomics of the Brassicaceae provides a review of this important family (commonly termed the mustard family, or Cruciferae). The family contains several cultivated species, including radish, rocket, watercress, wasabi and horseradish, in addition to the vegetable and oil crops of the Brassica genus. There are numerous further species with great potential for exploitation in 21st century agriculture, particularly as sources of bioactive chemicals. These opportunities are reviewed, in the context of the Brassicaceae in agriculture. More detailed descriptions are provided of the genetics of the cultivated Brassica crops, including both the species producing most of the brassica vegetable crops (B. rapa and B. oleracea) and the principal species producing oilseed crops (B. napus and B. juncea). The Brassicaceae also include important “model” plant species. Most prominent is Arabidopsis thaliana, the first plant species to have its genome sequenced. Natural genetic variation is reviewed for A. thaliana, as are the genetics of the closely related A. lyrata and of the genus Capsella. Self incompatibility is widespread in the Brassicaceae, and this subject is reviewed. Interest arising from both the commercial value of crop species of the Brassicaceae and the importance of Arabidopsis thaliana as a model species, has led to the development of numerous resources to support research. These are reviewed, including germplasm and genomic library resources, and resources for reverse genetics, metabolomics, bioinformatics and transformation. Molecular studies of the genomes of species of the Brassicaceae revealed extensive genome duplication, indicative of multiple polyploidy events during evolution. In some species, such as Brassica napus, there is evidence of multiple rounds of polyploidy during its relatively recent evolution, thus the Brassicaceae represent an excellent model system for the study of the impacts of polyploidy and the subsequent process of diploidisation, whereby the genome stabilises. Sequence-level characterization of the genomes of Arabidopsis thaliana and Brassica rapa are presented, along with summaries of comparative studies conducted at both linkage map and sequence level, and analysis of the structural and functional evolution of resynthesised polyploids, along with a description of the phylogeny and karyotype evolution of the Brassicaceae. Finally, some perspectives of the editors are presented. These focus upon the Brassicaceae species as models for studying genome evolution following polyploidy, the impact of advances in genome sequencing technology, prospects for future transcriptome analysis and upcoming model systems.
Author: William Stolzenburg
Publisher: Bloomsbury Publishing USA
ISBN: 1608193314
Category : Science
Languages : en
Pages : 241
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Book Description
Rat Island rises from the icy gray waters of the Bering Sea, a mass of volcanic rock covered with tundra, midway between Alaska and Siberia. Once a remote sanctuary for enormous flocks of seabirds, the island gained a new name when shipwrecked rats colonized, savaging the nesting birds by the thousands. Now, on this and hundreds of other remote islands around the world, a massive-and massively controversial-wildlife rescue mission is under way. Islands, making up just 3 percent of Earth's landmass, harbor more than half of its endangered species. These fragile ecosystems, home to unique species that evolved in peaceful isolation, have been catastrophically disrupted by mainland predators-rats, cats, goats, and pigs ferried by humans to islands around the globe. To save these endangered islanders, academic ecologists have teamed up with professional hunters and semiretired poachers in a radical act of conservation now bent on annihilating the invaders. Sharpshooters are sniping at goat herds from helicopters. Biological SWAT teams are blanketing mountainous isles with rat poison. Rat Island reveals a little-known and much-debated side of today's conservation movement, founded on a cruel-to-be-kind philosophy. Touring exotic locales with a ragtag group of environmental fighters, William Stolzenburg delivers both perilous adventure and intimate portraits of human, beast, hero, and villain. And amid manifold threats to life on Earth, he reveals a new reason to hope.
