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ebooks Collection 2019
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Language: English | Total pages: 172 | Format: pdf | Size: 34.96 MB |


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Language: English | Total pages: 68 | Format: pdf | Size: 29.62 MB |


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Language: English | Total pages: 492 | Format: pdf | Size: 58.16 MB |


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Language: English | Total pages: 403 | Format: pdf | Size: 11.4 MB |


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Language: English | ISBN: N/A | Total pages: 433 | Format: pdf | Size: 55.62 MB |


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As concerns about humankind's relationship with the environment move inexorably up the agenda, this volume tells the story of the history of the concept of ecology itself and adds much to the historical and philosophical debate over this multifaceted discipline. The text provides readers with an overview of the theoretical, institutional and historical formation of ecological knowledge. The varied local conditions of early ecology are considered in detail, while epistemological problems that lie on the borders of ecology, such as disunity and complexity, are discussed. The book traces the various phases of the history of the concept of ecology itself, from its 19th century origins and antecedents, through the emergence of the environmental movement in the later 20th century, to the future, and how ecology might be located in the environmental science framework of the 21st century.

The study of 'ecological' phenomena has never been confined solely to the work of researchers who consider themselves ecologists. It is rather a field of knowledge in which a plurality of practices, concepts and theories are developed. Thus, there exist numerous disciplinary subdivisions and research programmes within the field, the boundaries of which remain blurred. As a consequence, the deliberation to adequately identify the ecological field of knowledge, its epistemic and institutional setting, is still going on. This will be of central importance not only in locating ecology in the frame of 21st century environmental sciences but also for a better understanding of how nature and culture are intertwined in debates about pressing problems, such as climate change, the protection of species diversity, or the management of renewable resources.

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Language: English | Total pages: 212 | Format: pdf | Size: 7.87 MB |


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Language: English | Total pages: N/A | Format: epub | Size: 78.75 MB |


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The fascinating lives and puzzling demise of some of the largest animals on earth.
Until a few thousand years ago, creatures that could have been from a sci-fi thriller—including gorilla-sized lemurs, 500-pound birds, and crocodiles that weighed a ton or more—roamed the earth. These great beasts, or "megafauna," lived on every habitable continent and on many islands. With a handful of exceptions, all are now gone.
What caused the disappearance of these prehistoric behemoths? No one event can be pinpointed as a specific cause, but several factors may have played a role. Paleomammologist Ross D. E. MacPhee explores them all, examining the leading extinction theories, weighing the evidence, and presenting his own conclusions. He shows how theories of human overhunting and catastrophic climate change fail to account for critical features of these extinctions, and how new thinking is needed to elucidate these mysterious losses.
Along the way, we...

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Language: English | Total pages: N/A | Format: epub | Size: 16.26 MB |


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This book describes the various aspects and considerations required in effective project management and the tools that can be used by a nonprofessional project manager to appropriately evaluate how well the professional is doing or effectively manage smaller projects without the need for a professional project manager.</b> Project management is an evolving profession. Originally considered part and parcel of the design function, the practice of project management has evolved into a separate classification of professional practice. Professional project managers of today use sophisticated computer programs to achieve in seconds what took days to accomplish and evaluate in the past.
Cost estimating and project scheduling have become key elements in assuring on-budget and on-time delivery of final projects. Key to those is how well the project manager addresses environmental issues that arise. Those issues need to be considered from the planning stages of a project to the...

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Language: English | Total pages: 345 | Format: pdf | Size: 2.43 MB |


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Language: English | Total pages: N/A | Format: epub | Size: 427.51 KB |


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Language: English | Total pages: 316 | Format: pdf | Size: 18.75 MB |


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Language: English | Total pages: N/A | Format: epub | Size: 433.53 KB |


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Language: English | Total pages: 278 | Format: pdf | Size: 2.85 MB |


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Language: English | Total pages: 48 | Format: pdf | Size: 20.23 MB |


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Language: English | Total pages: 48 | Format: pdf | Size: 9.88 MB |


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Language: English | Total pages: 390 | Format: pdf | Size: 6.28 MB |


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Language: English | Total pages: N/A | Format: epub | Size: 201.09 KB |


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<P><B>The genial but troubled New Englander whose single-minded partisan loyalties inflamed the nation's simmering battle over slavery </B></P><P>Charming and handsome, Franklin Pierce of New Hampshire was drafted to break the deadlock of the 1852 Democratic convention. Though he seized the White House in a landslide against the imploding Whig Party, he proved a dismal failure in office.</P><P>Michael F. Holt, a leading historian of nineteenth-century partisan politics, argues that in the wake of the Whig collapse, Pierce was consumed by an obsessive drive to unify his splintering party rather than the roiling country. He soon began to overreach. Word leaked that Pierce wanted Spain to sell the slave-owning island of Cuba to the United States, rousing sectional divisions. Then he supported repeal of the Missouri Compromise, which limited the expansion of slavery in the west. Violence broke out, and "Bleeding Kansas" spurred the formation of the Republican Party. By the end of...

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Language: English | Total pages: N/A | Format: epub | Size: 21.24 MB |


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<i>A celebration of thirty-two heroes of the First World War enshrined in the Hockey Hall of Fame.</b>Praise for <i>Remembered in Bronze and Stone:</b>"A remarkable look at the many ways we honoured our war dead."—<i>Canada's History"A fine tribute and a call to current and future generations."—Mark Zuehlke, author of the Canadian Battle Series and <i>Through Blood and SweatThis year marks the centenary of two pivotal events in Canadian history—one of them weighty, the other an enduring source of delight. In November 1918, the catastrophe of the First World War came to an end. That same year, the first season of the National Hockey League concluded with the Toronto Arenas winning the NHL championship over the Montreal Canadiens. This book with deals the nexus, or collision, between hockey and war.Unbeknownst to many modern-day fans, thirty players, one referee, and one builder now enshrined in the Hockey Hall of Fame were...

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Language: English | Total pages: 584 | Format: pdf | Size: 61.92 MB |


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Language: English | ISBN: N/A | Total pages: 100 | Format: pdf | Size: 22.13 MB |


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