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Author: Sharon Cramer
Publisher: Talking Bird Books
ISBN: 0990706133
Category : Fiction
Languages : en
Pages : 427
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Book Description
Author: Sharon Cramer
Publisher: Talking Bird Books
ISBN: 0990706133
Category : Fiction
Languages : en
Pages : 427
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Book Description
Author: Howard Ayers
Publisher:
ISBN:
Category : Oecanthus niveus
Languages : en
Pages : 90
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Book Description
Author: Robert T. Edes
Publisher:
ISBN:
Category :
Languages : en
Pages : 12
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Author:
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Author: Y. H. Hui
Publisher: John Wiley & Sons
ISBN: 9780471185703
Category : Science
Languages : en
Pages : 956
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Book Description
This handbook discusses how microorganisms (bacteria, fungi, yeasts) can be modified to various extents by means of molecular genetics or genetic engineering. Compiled and written by the world's leading experts and practioners in food science and food technology, it presents the latest research and development in the discipline. It is easy-to-understand and can be used directly by readers interested in practical and commercial applications. So this book is important for researchers as a reference guide, and it can be used in various disciplines as microbiology, chemistry, biochemistry and engineering. 'Food Biotechnology' also is interesting for the industries, in addition to food processing, because commercial products and services affected include fine chemicals, enzymes, cultures, equipment and supplies.
Author: Keir Morse
Publisher: Keir Morse
ISBN:
Category : Science
Languages : en
Pages : 141
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Book Description
The taxonomy of the genus Malacothamnus (Malvaceae) has been controversial for many years due to conflicting treatments and the many taxa of conservation concern not recognized in some of these treatments. Purported intergradation and hybridization are the primary justifications for not recognizing these taxa. Two recent morphological studies examining small subsets of Malacothamnus taxa debunked the purported ambiguities between the taxa analyzed and provided evidence for a new species. This indicated a morphological assessment of the full genus would be highly beneficial to identify and clarify both morphological groupings and character states within the genus prior to testing taxon hypotheses within a phylogenetic framework. This study follows the previous two by examining the remaining subsets of Malacothamnus taxa that have been combined and/or confused in the past. These subsets are analyzed with principle component analysis (PCA), pairwise permutational multivariate analysis of variance (PERMANOVA), and linear discriminant analysis (LDA) to answer (1) whether taxa relegated to synonymy by some authors are morphologically distinct or not, (2) whether there is morphological evidence to support purported intergradation between taxa, (3) whether previously defined morphological boundaries between taxa are justifiable or need refining, and (4)whether populations of hypothesized novel taxa are morphologically distinct from the taxathey have been included within. Twenty-nine previously named and nine unnamed morphological groupings were recovered in taxon subset analyses. These were then included in a global analysis of the genus followed by comparisons of morphological characters between all groupings. The 38 morphological groups recovered range in distinctness from clear taxa that are both morphologically and geographically distinct to intergrading forms needing further research to base taxonomic decisions upon. These 38 morphological groups are assessed as hypothetical lineages using phylogenetic analyses in Volume 2 of this monograph.
Author: Richard C. Wilkerson
Publisher: Johns Hopkins University Press
ISBN: 1421438143
Category : Science
Languages : en
Pages : 1332
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Book Description
The definitive reference on the biology, evolution, ecology, and diversity of all known species of the world's mosquitoes. Critical for entomologists, public health professionals, and epidemiologists across the world. Biting multiple times on two, three, or more different hosts, it is no surprise that some species of mosquitoes have co-evolved with pathogens. For humans and other animals, the result has been some of the most challenging diseases known. It has been said that Anopheles gambiae, as the primary transmitter of malaria parasites to humans, is the most dangerous animal in the world. Certainly malaria has killed more people than all the wars that ever took place. Even now, despite drugs and mosquito control, malaria claims the lives of 405,000 per year. The vast majority of mosquito species are not involved in pathogen transmission to humans, but those that are make a huge impact on global health. In this two-volume set, three of the world's leading experts on mosquito disease, ecology, and systematics offer readers unique insights into the fascinating world of mosquitoes while illustrating their diagnostic morphological features in detail. Comprehensively addressing the natural diversity of mosquitoes, the book explains their life histories, bionomic traits, and the physiological and physical adaptations they evolved in response to ever-changing environmental conditions. Mosquitoes are one of the best-known groups of insects, making this book a great starting place for anyone who would like to understand entomology by knowing the details about a representative family. Volume One contains a review of the biology and diversity of mosquitoes. Biology is treated in the following chapters: • Evolution • Nomenclature • Distribution • Development • Dormancy • Mosquito Movement • Feeding and Nutrition • Excretion • Copulation and Insemination • Egg Development and Oviposition The chapters on biology are followed by a well-illustrated summary of the characteristics of all 41 genera and of representative species of mosquitoes. This treatment of the morphological diversity of mosquitoes is accompanied by a glossary of all morphological terms used. Volume Two features • a long-awaited comprehensive mosquito taxonomic catalog detailing the current taxonomic and systematic status of all 3,698 valid species and subspecies, 41 genera, and 187 subgenera • a list of all taxa for definitive use of nomenclature • complete lists of species synonyms, distributions, key taxonomic works, and newly defined informal names • origins of scientific names Readers will discover that some mosquitoes undertake courtship rituals, while others guard their eggs, feed solely on earthworms, or can survive as immatures under ice sheets or in salt-encrusted pools. Hundreds of drawings and high-resolution, close-up images illustrate the text. The most complete reference work on mosquitoes ever produced, Mosquitoes of the World is an unmatched resource for entomologists, public health professionals, epidemiologists, and reference libraries.
Author:
Publisher:
ISBN:
Category : Beneficial insects
Languages : en
Pages : 504
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Author: United States Entomological Commission
Publisher:
ISBN:
Category : Insect pests
Languages : en
Pages : 762
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Book Description
Author: Charles V. Riley
Publisher:
ISBN:
Category :
Languages : en
Pages : 180
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Book Description
