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Thirty years ago, two young biologists named Robert MacArthur and Edward O. Wilson triggered a far-reaching scientific revolution. In a book titled The Theory of Island Biogeography, they presented a new view of a little-understood matter: the geographical patterns in which animal and plant species occur. Why do marsupials exist in Australia and South America, but not in Africa? Why do tigers exist in Asia, but not in New Guinea? Influenced by MacArthur and Wilson's book, an entire generation of ecologists has recognized that island biogeography - the study of the distribution of species on islands and islandlike patches of landscape - yields important insights into the origin and extinction of species everywhere. The new mode of thought focuses particularly on a single question: Why have island ecosystems always suffered such high rates of extinction? In our own age, with all the world's landscapes, from Tasmania to the Amazon to Yellowstone, now being carved into islandlike fragments by human activity, the implications of island biogeography are more urgent than ever. Until now, this scientific revolution has remained unknown to the general public. But over the past eight years, David Quammen has followed its threads on a globe-circling journey of discovery. In Madagascar, he has considered the meaning of tenrecs, a group of strange, prickly mammals native to that island. On the island of Guam, he has confronted a pestilential explosion of snakes and spiders. In these and other places, he has prowled through wild terrain with extraordinary scientists who study unusual beasts. The result is The Song of the Dodo, a book filled with landscape, wonder, and ideas. Besides being a grand outdoor adventure, it is, above all, a wake-up call to the age of extinctions.… (more)
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The first section of the book recounts the history of evolutionary theory as shaped by Islands. Quammen tells the tale of Darwin and Wallace as their island hopping voyages elucidated the problem of species. Next, Quammen goes on to explain the effects island have on the evolution of species before going on in the third section to explain the more modern developments of evolutionary theory as shaped by islands. For the remainder of the book Quammen shows the implications of the modern paradigm in evolutionary thinking (Island Biogeography) and increasing rate of extinction and loss of biodiversity.
Quammen not only discusses the history of evolutionary biology but expounds on natural history as well, taking the reader on journeys into tropical islands to chase the Komodo dragon, the giant tortoises and more. In the end Quammen has left a harrowing picture of the damage humanity is doing to ecosystems and biodiversity, and how the fragmentation of biomes imposed by urban developments is only making matters worse.
This is a must read for anyone interested in evolutionary biology and what its telling us about the world we live in.
The central theme of the book is the importance that islands have played in this area of research, starting from the work of Darwin and Wallace, extending to the modern work of men such as E. O. Wilson, Macarthur, Simberloff, and Lovejoy. What is revealed is a science progressing from anecdotes and scattered observations of curiosities to something with its own generalizations and laws that can be have an increasing certainty, backed by sound statistical studies, and that produces graphs and tables, equations, useful computer models and testable hypotheses. The majesty of the process is astounding.
Quammen writes clearly and spares no effort to involve the reader, mixing a historical treatment of the process, interviews of the modern players, and his own thrilling explorations of the remote islands--he splendidly communicates his excitement and involvement.
Song of the Dodo is a scientific adventure. It will prompt you to ask questions. Here's an example: I was particularly struck by the obvious/not-so-obvious Noah's Ark conundrum: exactly how big was this vessel if every single species was welcomed aboard two by two? As Quammen pointed out, "Noah's ark was getting too full" (p 34).
What about this question - who was responsible for the theory of natural selection? Quammen delves into the controversy surrounding the competition between Alfred Wallace and Charles Darwin. Again, to quote Quammen "Was Darwin guilty of scummy behavior, or wasn't he?" (p 109).
All in all, the subject matter for Song of the Dodo could be considered dry but the writing is most definitely entertaining. Where else can you find such a scientific topic interspersed with words like crazybig, godawful, helluva, whonks, and my personal favorite, badass?
One of the most abiding sections in my own mind (which haunts me in its implications) is his discussion of what I could term patchwork conservation,
It is wonderful to have such brilliant writers about evolution who take the time to enlighten all of us about the wondrous discoveries made possible now through DNA decoding. I'm looking forward to the continuing study of human migrations as a tale being unraveled through study of genomes around the world. The science is far beyond me--but what fascination.
Read [[Richard Dawkins]] [Ancestor's Tale] after you've read this. Two mighty tomes well worth the time!
Song of the Dodo is a scientific adventure. It will prompt you to ask questions. Here's an example: I was particularly struck by the obvious/not-so-obvious Noah's Ark conundrum: exactly how big was this vessel if every single species was welcomed aboard two by two? As Quammen pointed out, "Noah's ark was getting too full" (p 34).
What about this question - who was responsible for the theory of natural selection? Quammen delves into the controversy surrounding the competition between Alfred Wallace and Charles Darwin. Again, to quote Quammen "Was Darwin guilty of scummy behavior, or wasn't he?" (p 109).
All in all, the subject matter for Song of the Dodo could be considered dry but the writing is most definitely entertaining. Where else can you find such a scientific topic interspersed with words like crazybig, godawful, helluva, whonks, and my personal favorite, badass?
This is a serious, in-depth natural sciences book that (keeping in mind that ecology is a multifarious science) the predominate thrust of is ecological insularity and its consequences. For me, it pulled
Herein are the What, When, Where, and Why of evolution and extinction relative to population viability that we are developing an understanding of, as evidenced in insular (i.e. restricted, whether an island or mainland habitat fragment) species. The author does try to elucidate important concepts with layman examples (e.g. mismatched socks), and there is a glossary, but there are other general terms the reader might want a dictionary close by for (e.g. words like nomothetic and idiographic). In addition, the curious reader desiring to picture unfamiliar life forms mentioned might have a wildlife field guide at hand, or use Wikipedia.
Lightening the scientific thrust of the writing, there are bits of personal reflections and travelogs.
The book also spans how we have arrived at our current understanding, with a bit of satire. Rightly so to my mind, befitting humankind's self-aggrandizing intellect, encompassing contradictory, absurd explanations. Possibly the most recognizable of these being the irreconcilability of Noah's ark with biological reality. Where there are more sensible differences in scientific theory, the author is even handed.
“. . . evolution is best understood with reference to extinction, and vice versa. In particular, the evolution of strange species on islands is a process that, once illuminated, casts light onto its dark double, which is the ultimate subject of this book: the extinction of species in a world that has been hacked into pieces.”
“. . . species extinction is central to the question of how Homo sapiens affects its own world” and to our own threatened existence. Odds are that such as rats and coyotes will fare better than humans in the environmental changes we are ignorantly creating in our insatiable greed. One reason that stands out is the habitat fragmentation caused by our infrastructure (note the relevance with insular species dynamics). We have proliferated beyond ecological balance, and with our plows, livestock, axes, poisons, industry, self-serving religious beliefs, and no more intelligence in good part than other life forms have brought about the ongoing sixth great extinction. Much as we are prone to ignore inconvenient problems, we are not exempt from such.
This isn't only about non-human evolution and extinctions, but also how our proclivities have affected fellow humans. One section about Tasmanian Aborigines, in practice corresponds to the settling (read colonizing) of North America, differing only in population size and extent of consequences. Trying to persuade natives to accept 'the blessings of Christian civilization' [or any other cultural dogma] by any means is among the subjective hypocritical tenets that are hastening our diminishment. The author aptly terms the settlers so-called benevolent interaction with the Tasmanian Aborigines as “in the truest tradition of Orwellian doublespeak.” As in North America this "serving mainly to anesthetize the collective conscience of the conquerors.”
Awareness of our most serious problems, or developing such through reading and understanding, is essential to our and our children's futures. There may still be time to mitigate the consequences, but the only hope in time is if a critical mass of humans acknowledge and confront our destructive proclivities sufficiently to bring about positive change. As things are, we are presenting the short end of the stick to our children.