Mechanisms of Zero Population Growth PDF Download

Author: William Charles Wentworth
Publisher:
ISBN:
Category : Birth control
Languages : en
Pages :

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Author: William Charles Wentworth
Publisher:
ISBN:
Category : Birth control
Languages : en
Pages : 30

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Author: Joseph John Spengler
Publisher: Durham, N.C. : Duke University Press
ISBN:
Category : Social Science
Languages : en
Pages : 314

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Author: Samantha Fowler
Publisher:
ISBN: 9781739015503
Category :
Languages : en
Pages : 0

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Black & white print. Concepts of Biology is designed for the typical introductory biology course for nonmajors, covering standard scope and sequence requirements. The text includes interesting applications and conveys the major themes of biology, with content that is meaningful and easy to understand. The book is designed to demonstrate biology concepts and to promote scientific literacy.

Author: J. E. Lambert
Publisher: CABI
ISBN: 9780851990729
Category : Science
Languages : en
Pages : 432

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This book presents current knowledge of seed fate in both natural and human-disturbed landscapes, from various regions of the world. Habitats considered range from mountain and arid deserts in the temperate zone, to savanna and lowland rainforests in tropical regions of the world. Particular attention is paid to plant diversity conservation when seed removal is affected by factors such as hunting, habitat fragmentation or intensive logging. Contributors include leading scientists involved in research on seed ecology and on animal-plant relationships from the perspective of both primary and secondary seed dispersal, and predation.

Author: National Research Council
Publisher: National Academies Press
ISBN: 0309264944
Category : Technology & Engineering
Languages : en
Pages : 399

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Using Science to Improve the BLM Wild Horse and Burro Program: A Way Forward reviews the science that underpins the Bureau of Land Management's oversight of free-ranging horses and burros on federal public lands in the western United States, concluding that constructive changes could be implemented. The Wild Horse and Burro Program has not used scientifically rigorous methods to estimate the population sizes of horses and burros, to model the effects of management actions on the animals, or to assess the availability and use of forage on rangelands. Evidence suggests that horse populations are growing by 15 to 20 percent each year, a level that is unsustainable for maintaining healthy horse populations as well as healthy ecosystems. Promising fertility-control methods are available to help limit this population growth, however. In addition, science-based methods exist for improving population estimates, predicting the effects of management practices in order to maintain genetically diverse, healthy populations, and estimating the productivity of rangelands. Greater transparency in how science-based methods are used to inform management decisions may help increase public confidence in the Wild Horse and Burro Program.

Author: American Jewish Committee
Publisher: Praeger
ISBN:
Category : Education
Languages : en
Pages : 232

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Author: National Research Council
Publisher: National Academies Press
ISBN: 0309036410
Category : Political Science
Languages : en
Pages : 121

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This book addresses nine relevant questions: Will population growth reduce the growth rate of per capita income because it reduces the per capita availability of exhaustible resources? How about for renewable resources? Will population growth aggravate degradation of the natural environment? Does more rapid growth reduce worker output and consumption? Do rapid growth and greater density lead to productivity gains through scale economies and thereby raise per capita income? Will rapid population growth reduce per capita levels of education and health? Will it increase inequality of income distribution? Is it an important source of labor problems and city population absorption? And, finally, do the economic effects of population growth justify government programs to reduce fertility that go beyond the provision of family planning services?

Author: David Weil
Publisher: Routledge
ISBN: 131551043X
Category : Business & Economics
Languages : en
Pages : 646

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Why are some countries rich and others poor? David N. Weil, one of the top researchers in economic growth, introduces students to the latest theoretical tools, data, and insights underlying this pivotal question. By showing how empirical data relate to new and old theoretical ideas, Economic Growth provides students with a complete introduction to the discipline and the latest research. With its comprehensive and flexible organization, Economic Growth is ideal for a wide array of courses, including undergraduate and graduate courses in economic growth, economic development, macro theory, applied econometrics, and development studies.

Author: Deborah R. McFarlane
Publisher: Jones & Bartlett Publishers
ISBN: 1449685218
Category : Medical
Languages : en
Pages : 414

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Book Description
The world population surpassed the seven billion mark in 2011, yet many women and couples still lack access to reproductive health services. These facts have profound implications for maternal and child health, environmental quality, and food security. Global Population and Reproductive Health provides an introduction to an important and timely public health topic. The text is unique in that it explores the inextricable link between population and reproductive health – a connection that is often overlooked – as well as their impact on global and local environmental issues. Students will come away with a clear understanding of the relationships among all these issues, and the vital need for integrated policies and international cooperation. Contents Include: 1. Overview 2. Measures and Theories 3. Health 4. Related Issues 5. Policies