This book provides applied biologists and ecologists with the mathematical tools they need to understand the ever increasingly mathematical and complex area of population ecology.
This volume is a revision of Biological Control by R. van den Bosch and P. S. Messenger, originally published by Intext Publishers. In the revision, I have attempted to keep the original theme, and to update it with current research findings and new chapters or sections on insect pathology, microbial control of weeds and plant pathogens, population dynamics, integrated pest management, and economics. The book was written as an undergraduate text, and not as a complete review of the subject area. Various more comprehen sive volumes have been written to serve as handbooks for the experts. This book is designed to provide a concise overview of the complex and valuable field of biological control and to show the relationships to the developing concepts of integrated pest management. Population regulation of pests by natural enemies is the major theme of the book, but other biological methods of pest control are also discussed. The chapter on population dynamics assumes a precalculus-level knowledge of mathematics. Author names of species are listed only once in the text, but all are listed in the Appendix. Any errors or omissions in this volume are my sole responsibility. A. P. Gutierrez Professor of Entomology Division of Biological Control University of California, Berkeley vii Acknowledgments Very special thanks must be given to my colleagues, Professors C. B. Huffaker and L. E. Caltagirone, for the very thorough review they provided and for the many positive suggestions they gave. Dr.
This volume is a revision of Biological Control by R. van den Bosch and P. S. Messenger, originally published by Intext Publishers. In the revision, I have attempted to keep the original theme, and to update it with current research findings and new chapters or sections on insect pathology, microbial control of weeds and plant pathogens, population dynamics, integrated pest management, and economics. The book was written as an undergraduate text, and not as a complete review of the subject area. Various more comprehen sive volumes have been written to serve as handbooks for the experts. This book is designed to provide a concise overview of the complex and valuable field of biological control and to show the relationships to the developing concepts of integrated pest management. Population regulation of pests by natural enemies is the major theme of the book, but other biological methods of pest control are also discussed. The chapter on population dynamics assumes a precalculus-level knowledge of mathematics. Author names of species are listed only once in the text, but all are listed in the Appendix. Any errors or omissions in this volume are my sole responsibility. A. P. Gutierrez Professor of Entomology Division of Biological Control University of California, Berkeley vii Acknowledgments Very special thanks must be given to my colleagues, Professors C. B. Huffaker and L. E. Caltagirone, for the very thorough review they provided and for the many positive suggestions they gave. Dr.
There will always persist in my mind the sound of dead leaves crunching under my feet and that wisp of warm air that caressed my face like invisible hands. I walked a few steps and simply fell to the ground without life”. This may well be the end of a novel, but on Despair Avenue, it is only the beginning. With his death, the protagonist is trapped in a kind of threshold, somewhere between alive and dead. His journey takes him to his old place of residence and to meet again with the one who was once his family. It will then be when she understands how much she has changed and the grave danger that lies ahead.
“The crackle of dead leaves beneath my feet and the wisp of warm air caressing my face like an invisible hand will forever linger in my mind. Suddenly, as I was walking, I simply fell to the ground, lifeless.” This could easily be the ending of a novel, but in Despair Avenue it’s only the beginning. With his death, the protagonist finds himself trapped on a kind of threshold between life and death. His journey leads him to his former place of residence and visits to family members. It’s only then he realizes how much they’ve changed and the great danger they’re in.
Explore the town of Arkham, setting for the beloved Arkham Horror series of tabletop games, in this comprehensive, full-color, hardcover guide to its people, places and strange goings on… Witness Arkham like you’re walking its streets, peering into its shadows… It is the height of the Roaring Twenties. Flappers and young fellas dance the Charleston at raucous jazz clubs gleaming bright with electric lights. Beneath this gilded glamour, bloody turf wars rage, funded by gangsters and crooked cops who frequent rival speakeasies and gambling dens. Amid these changing times, old New England towns hold their secrets close. Off the Aylesbury pike, in reclusive Dunwich, rolling hills hide decrepit farms and witch-haunted hollows. Past Cape Ann, the remote fishing village of Innsmouth rots from within. At the mouth of the Miskatonic River, mist-shrouded Kingsport lies dreaming. All the while, historic Arkham broods on the upper banks of the Miskatonic, its famed university delving into the world’s darkest, most ancient mysteries. Welcome to Arkham invites you to venture deeper than ever before into this legend-haunted city, inspired by H.P. Lovecraft’s Cthulhu mythos and made famous by the Arkham Horror series of tabletop games. Welcome to Arkham is a complete guide to the city of Arkham and the neighboring towns of Dunwich, Innsmouth and Kingsport, detailing 115 fabled locations and featuring more than 500 illustrations. Walk the streets of Arkham, ride the Essex County Express, hitch a ride to Innsmouth (and pray you can find a way out), or take a ferry down the Miskatonic River, and read between the lines to discover what other mysteries lurk deeper still in the pages of this tattered old book… The definitive guide to the world of Arkham Horror.
Microbial Pesticides: Biological Resources, Production and Application provides a concise and accessible introduction on the history of microbial pesticides, their impact on global ecology, human society and economies, as well as a thorough and tangible description of the state-of-the-art technologies available for the production, application, limitations and long–term viability of these bio-products. Information is listed per biological group (i.e., virus, bacteria, fungi, protozoa, microsporidia and microbial metabolites), and is supported by sound scientific data. The book is copiously illustrated, with original pictures clarifying the most common techniques and protocols utilized in microbiological biocontrol technology. Finally, images of all biological active ingredients currently used in commercially produced formulations, as well as laboratory developed formulations, are illustrated and listed in detailed tables for prompt access. Provides a concise and accessible introduction to the history of microbial pesticides and their impact on global ecology, human society and economies Offers a thorough and tangible description of state-of-the-art technologies surrounding the production, application, limitations and long-term viability of bio-products Reports current regulatory measures and protocols used to assess host range and collateral impact(s) of microbial formulations based on virus, bacteria, fungi, protozoa, microsporidia and microbial metabolites Features lists by biological group (i.e., virus, bacteria, fungi, protozoa, microsporidia and microbial metabolites) Links sound scientific data and concise, accessible language
Ovarian cancer is cancer that begins in the cells that constitute the ovaries, including surface epithelial cells, germ cells, and the sex cord-stromal cells. Cancer cells that metastasize from other organ sites to the ovary (most commonly breast or colon cancers) are not then considered ovarian cancer. According to the American Cancer Society, ovarian cancer accounts for 4 percent of all cancers among women and ranks fifth as a cause of their deaths from cancer. The American Cancer Society statistics for ovarian cancer estimate that there will be 25,400 new cases and 14,300 deaths in 2003. The death rate for this disease has not changed much in the last 50 years. Unfortunately, almost 70 percent of women with the common epithelial ovarian cancer are not diagnosed until the disease is advanced in stage -- i.e., has spread to the upper abdomen (stage III) or beyond (stage IV). The 5-year survival rate for these women is only 15 to 20 percent, whereas the 5-year survival rate for stage I disease patients approaches 90 percent and for stage II disease patients approaches 70 percent. Ovarian tumors are named according to the type of cells the tumor started from and whether the tumor is benign or cancerous. The three main types of ovarian tumors are: Epithelial Tumors, Germ Cell Tumors and Stromal Tumors. This new book brings together new and leading-edge research from around the world.
Aristotle's definition of the soul should be interpreted as: 'the soul is the entelechy of a natural body that serves as its instrument'. The theory of a fine-corporeal body makes it much easier to understand Aristotle's position between Plato and the Stoics . This correction puts paid to all theories about a development in Aristotle's thought.
Biotechnology is an emerging field and has been the center of attraction for researchers, politicians and common people globally. The present proceedings-Recent Trends in Biotechnology as the name signify, reflects an interdisciplinary approach and status of the technology. The book would be useful for readers of diverse disciplines including biotechnologists, botanists, zoologists, pharmacologists, bioinformatist and people loving the new technology.
Contents: V. Zingel, C. Leschke and W. Schunack: Developments in research on histamine (H1) receptor agonists / P.D. Hoeprich: Antifungal chemotherapy / G. de Stevens: The diversity of heterocyclic compounds and their biological activities / R.M. Schultz: Newer antifolate compounds in cancer therapy / P.K. Mehrotra, S. Batra and A.P. Bhadun: Non-steroidal agents for regulation of the menstrual cycle / A.K. Saxena and M. Saxena: Developments in anti-convulsant drugs
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