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Author: International Geographical Union. Commission on Population Geography
Publisher: [Christchurch, N.Z.]: Commission on Population Geography : New Zealand Geographical Society
ISBN:
Category : Demography
Languages : en
Pages : 202
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Author: International Geographical Union. Commission on Population Geography
Publisher: [Christchurch, N.Z.]: Commission on Population Geography : New Zealand Geographical Society
ISBN:
Category : Demography
Languages : en
Pages : 202
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Book Description
Author: Darice Westphal
Publisher:
ISBN:
Category : Craniometry
Languages : en
Pages : 61
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Book Description
Being able to understand the effects of relatedness on adult cranial morphology has implications for inferring population histories, and for informing us about the influence of social behaviors on these patterns of population relatedness. Several methods have been developed to infer relatedness among human or other primate populations using metric data. This thesis uses detailed genealogical and demographic information for free-ranging rhesus macaques born over four decades on Cayo Santiago along with individually matched cranial measurements and interprets the resulting patterns in a socioecological framework. I used R-matrix methods to examine cranial shape variation among social lineages on Cayo Santiago and changes over time. Results from the lineage analysis support the male migration effect of fission and the lineal effect of fission, which increased the genetic variation between two lineages. Lineage-specific mating and random male gene flow both decreased the genetic variation among the lineages. When the lineages were combined and divided into four time periods, a strong temporal trend was observed. This temporal trend is most likely due to environmental differentiation over time and some degree of genetic drift. This thesis demonstrates how behavioral mechanisms affect genetic relationships among populations and that linear distances derived from cranial measurements can provide information about population structure and population history even at this small spatial and temporal scale.
Author: John Caldwell
Publisher: Taylor & Francis
ISBN: 1000929140
Category : Social Science
Languages : en
Pages : 519
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Book Description
Originally published in 1988, this collection of essays was the first attempt by population scientists to incorporate some of the methods and materials of anthropologists into their work. The essays bridge the gap in the conceptualisation and organisation of field research by 2 sets of social scientists – demographers and social anthropologists – who share an interest in the explanation of particular patterns of population composition and change.
Author: Charles Perreault
Publisher: University of Chicago Press
ISBN: 022663096X
Category : Science
Languages : en
Pages : 265
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Book Description
Paleobiology struggled for decades to influence our understanding of evolution and the history of life because it was stymied by a focus on microevolution and an incredibly patchy fossil record. But in the 1970s, the field took a radical turn, as paleobiologists began to investigate processes that could only be recognized in the fossil record across larger scales of time and space. That turn led to a new wave of macroevolutionary investigations, novel insights into the evolution of species, and a growing prominence for the field among the biological sciences. In The Quality of the Archaeological Record, Charles Perreault shows that archaeology not only faces a parallel problem, but may also find a model in the rise of paleobiology for a shift in the science and theory of the field. To get there, he proposes a more macroscale approach to making sense of the archaeological record, an approach that reveals patterns and processes not visible within the span of a human lifetime, but rather across an observation window thousands of years long and thousands of kilometers wide. Just as with the fossil record, the archaeological record has the scope necessary to detect macroscale cultural phenomena because it can provide samples that are large enough to cancel out the noise generated by micro-scale events. By recalibrating their research to the quality of the archaeological record and developing a true macroarchaeology program, Perreault argues, archaeologists can finally unleash the full contributive value of their discipline.
Author: Edouard Jurkevitch
Publisher: Springer Nature
ISBN: 3030455998
Category : Science
Languages : en
Pages : 203
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Book Description
The book will provide an update on our understanding of predator-prey through the prism of ecology, physiology, molecular biology, and mathematical modelling. The integration of these different perspectives while focusing on the microbial realm will highlight the importance of scale in ecological interactions, and their importance in applications. This book should thereby contribute to theoretical as well as to applied ecologists and microbiologists. Furthermore, the detailed but amenable chapters could serve as the basis of teaching advanced courses in (microbial) ecology and environmental microbiology.This work is a collection of articles that discuss microbial predation from a variety of perspectives. It provides the readers a concise resource describing factors that are critical for several different predatory microbes, including Myxobacterium spp. and Bdellovibrio-and-like organisms (BALOs), including the mechanisms involved, ecological conditions that adversely impact it and potential applications in aquaculture and bioproduction. The first half of this collection focuses more on ecological aspects of predation, with in-depth discussions on “wolf pack” predators, the presence and activities of predators in waste-water treatment plants and the role of intraguild predatory relationships, i.e., when two different predators are competing for a single prey but also interact with one another. The reader will gain a deeper understanding of the predatory mechanisms involved and their ecological roles. In the latter half, emphasis is given more to the application and limitations of predators. In addition to discussing secondary metabolite production within different microbial predators, the readers will also learn how predators are being used to purify secondary metabolites from prey. This section also discusses the expanding and promising role of predation in aquaculture, focusing on the application of predators to reduce pathogenic populations, but includes some important caveats for young researchers to consider and follow when working with Bdellovibrio. This work is written for both experienced researchers already in the field and for young scientists who are captivated by the thought of predation at the microscale and its growing importance within a wide-array of fields.
Author: Peter G. Wells
Publisher: CRC Press
ISBN: 1351431447
Category : Science
Languages : en
Pages : 716
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Book Description
Bioassays are among the ecotoxicologist's most effective weapons in the evaluation of water quality and the assessment of ecological impacts of effluents, chemicals, discharges, and emissions on the aquatic environment. Information on these assessment aids is needed throughout the international scientific and environmental management community. This comprehensive reference provides an excellent overview of the small-scale aquatic bioassay techniques and applications currently in use around the world. This special volume is the result of several years of collaboration between Environment Canada and Fisheries and Oceans Canada. Internationally recognized research scientists at many institutions have contributed to this state-of-the-art examination of the exciting, environmentally important field of microscale testing in aquatic toxicology. Microscale Testing in Aquatic Toxicology contains over forty chapters covering relevant principles, new techniques and recent advancements, and applications in scientific research, environmental management, academia, and the private sector.
Author: United States. Commission on Population Growth and the American Future
Publisher:
ISBN:
Category : Government publications
Languages : en
Pages : 626
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Book Description
Author: J. Michael Ramsey
Publisher: Springer Science & Business Media
ISBN: 9401010153
Category : Science
Languages : en
Pages : 722
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Book Description
The Fifth International Conference on Micro Total Analysis Systems, also known as JlTAS 2001, will highlight the latest exciting events in the world ofminiaturized devices and systems for performing chemical and biochemical experimentation This conference has become mandatory for those of us working in this field as it is indeed helping to define our discipline. We are grateful to the people of the MESA Research Institute of the University of Twente, particularly Piet Bergveld and Albert van den Berg, for starting this meeting in 1994. Their original intention was for the JlTAS meeting to be a small informal workshop. This workshop flavor was sustained through the second meeting held in Basel in 1996, but already in 1998 at the third meeting in Banff it was clear that the "workshop" had become a conference with 420 attendees. It was due to this clearly growing interest in microchemical systems that it was decided we should consider gradually moving toward an annual format and prepare for the possibility that the meeting would increase in popularity. Albert van den Berg was still yearning for a workshop at the JlTAS 2000 meeting and planned a single session format. Again there was a large increase in submitted abstracts (more than 230 total) and a further increase in attendance. The JlTAS steering committee again agreed that we would have to prepare to address the demand the meeting was receiving.
Author: T. Cannon
Publisher: Springer
ISBN: 0333977394
Category : Business & Economics
Languages : en
Pages : 329
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Book Description
Economic reforms in China began in 1979 and initiated some of the most fundamental changes ever to occur in any country. While allowing some of the most astonishing economic growth the world has seen, they have also induced some of the most profound social and environmental shifts.
Author: Ankur Singh
Publisher: Springer
ISBN: 3319207261
Category : Technology & Engineering
Languages : en
Pages : 329
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Book Description
This book offers readers cutting-edge research at the interface of polymer science and engineering, biomedical engineering, materials science, and biology. State-of-the-art developments in microscale technologies for cell engineering applications are covered, including technologies relevant to both pluripotent and adult stem cells, the immune system, and somatic cells of the animal and human origin. This book bridges the gap in the understanding of engineering biology at multiple length scale, including microenvironmental control, bioprocessing, and tissue engineering in the areas of cardiac, cartilage, skeletal, and vascular tissues, among others. This book also discusses unique, emerging areas of micropatterning and three-dimensional printing models of cellular engineering, and contributes to the better understanding of the role of biophysical factors in determining the cell fate. Microscale Technologies for Cell Engineering is valuable for bioengineers, biomaterial scientists, tissue engineers, clinicians, immunoengineers, immunologists and stem cell biologists, as it offers a review of the current cutting-edge cell engineering research at multiple length scale and will be valuable in developing new strategies for efficient scale-up and clinical translation.