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symposium abstracts --- lakes --- speciation

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In the face of accelerating extinctions across the globe, what ought we to do? Amid this sea of losses, what is our responsibility? How do we assess the value of nonhuman species? In this clear-spoken, passionate book, naturalist and philosopher Edward L. McCord explores urgent questions about the destruction of species and provides a new framework for appreciating and defending every form of life.The book draws insights from philosophy, ethics, law, and biology to arrive at a new way of thinking about the value of each species on earth. With meticulous reasoning, McCord demonstrates that the inherent value of species to humanity is intellectual: individual species are phenomena of such intellectual moment-so interesting in their own right-that they rise above other values and merit enduring human embrace. The author discusses the threats other species confront and delineates the challenges involved in creating any kind of public instrument to protect species. No other scholar has advocated on behalf of biodiversity with such eloquence and passion, and none provides greater inspiration to defend nonhuman forms of life.

Environmental ethics. --- Species. --- Biodiversity. --- Extinction (Biology) --- Nature --- Environmental policy. --- Environment and state --- Environmental control --- Environmental management --- Environmental protection --- Environmental quality --- State and environment --- Environmental auditing --- Anthropogenic effects on nature --- Ecological footprint --- Human beings --- Anthropogenic soils --- Human ecology --- Animals --- Extirpation (Biology) --- Biology --- Extinct animals --- Biological diversification --- Biological diversity --- Biotic diversity --- Diversification, Biological --- Diversity, Biological --- Biocomplexity --- Ecological heterogeneity --- Numbers of species --- Speciation (Biology) --- Genetics --- Hybridization --- Organisms --- Ethics --- Effect of human beings on. --- Government policy --- Extinction --- Extirpation --- Moral and ethical aspects

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Molecular studies reveal highly ordered geographic patterns in plant and animal distributions. The tropics illustrate these patterns of community immobilism leading to allopatric differentiation, as well as other patterns of mobilism, range expansion, and overlap of taxa. Integrating Earth history and biogeography, Molecular Panbiogeography of the Tropics is an alternative view of distributional history in which groups are older than suggested by fossils and fossil-calibrated molecular clocks. The author discusses possible causes for the endemism of high-level taxa in tropical America and Madagascar, and overlapping clades in South America, Africa, and Asia. The book concludes with a critique of adaptation by selection, founded on biogeography and recent work in genetics.

Biogeography --- Biology --- Variation (Biology) --- Classification --- Molecular aspects. --- african ecology. --- african species. --- allopatric speciation. --- animal distribution. --- animal taxa. --- animals and geography. --- asian ecology. --- asian species. --- biogeography. --- biological evolution. --- books for biology majors. --- darwin. --- earth history. --- ecology books. --- ecology reference. --- endemism. --- fossils. --- geographic patterns. --- madagascar ecology. --- mammal zoology. --- natural selection. --- science and evolution. --- south america ecology. --- south american species. --- theory of evolution. --- tropical america. --- tropical species. --- zoology books.