A Field Guide to the Grand Canyon 2nd Edition

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Given the widespread, but not ubiquitous, presence of biofluorescence in elasmobranchs, coupled with a visual apparatus to detect the phenomenon and the potential for fluorescent skin to create greater contrast at depth, leads to questions regarding the distribution and evolution of biofluorescence in cartilaginous fishes in general and the role fluorescence plays in shark and ray behavior, biology, and diversification. When environmental ethics emerged as a new sub-discipline of philosophy in the early 1970s, it did so by posing a challenge to traditional anthropocentrism.

The Underwater Naturalist

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It appears that such groups tended to consist of extended families or lineages, although the evidence is not clear on this point. Changing the ecosystem state even a little can move the ecosystem to another stability domain (see Figure 9.2). Crash: sudden depopulation as a result of resource depletion. Atomic Number: number of protons in the nucleus of an atom. One the one side, there is the intrinsic value of states of affairs that are to be promoted - and this is the focus of the consequentialist thinkers.

Natural History: Or, Uncle Philip's Conversations With The

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Noss suggests that faculty and students donate time to schools parks, or other public agencies to help develop or improve educational programs in local natural history, and that lab or office-bound scientists get back out into the field themselves and make the effort to learn the organisms that live in their own backyards. The European farmers who replaced the Native Americans on the Great Plains grew monocultures of wheat, corn and other annual crops (see Figure 10.2b).

Kloof and karroo: Sport, legend and natural history in Cape

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Another great part about early spring is that the weather can result in large amounts of morning dew. It is quite possible for an ecological theologian to argue self-consciously on the basis of a political "root metaphor," rather than an organic metaphor. Attenuation: reduction in light intensity due to a filtering medium (e.g., particles in water, a forest canopy). The Florida Everglades performed these and other ecologically beneficial activities until 1905, when a governor with the remarkably apt name of Napoleon Bonaparte Broward led the push to dredge, fill, dig, and canal; the resulting floods, stagnation, salinization, fish kills, bird deaths, agricultural runoffs, drought, groundwater depletion, and fire potential have not yet been brought under control.

The Natural History Of Plants, Their Forms, Growth,

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In 1986 Murchie personally told Cohen that scientific methodology and research had identified over eighty different biological senses/sensitivities which pervade the natural world. Macroecology: the study of statistical distributions of large groups of organisms or species to see why the distribution patterns vary. Wire fences above crops to feed them dew. Rather than presenting nature as an obstacle to the establishment of a civilization, American authors and painters alike upheld nature as the source of the animating spirit behind the American character.

Scenes and tales of country life: with recollections of

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As evolutionary biologists Huxley and Wilson wrote; Modern man no longer regards Nature as being in any sense divine and feels perfectly free to behave towards her as an overwhelming conqueror and tyrant. (Aldous Huxley, The Perennial Philosophy) We don't know nearly enough to manage the ecosystems on our own. Modern medicine has a similar problem with the use of drugs to control diseases such as malaria and tuberculosis. Latitude - Why does it rain so much in the tropics?

Catalogue of the Ungulate Mammals: In the British Museum

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The Grand Canyon is one of the most identifiable and remarkable landscapes on earth and the most internationally recognized symbol of nature in North America. James Morrow invented a similar threshing and stripping device around the same time that McKay did. For spirit believers it is important to respect the spirits and keep them happy. Mellor's analysis of Dorothy's "Floating Island at Hawkeshead" and the Journals, while not intended per se as an ecological reading, presents Dorothy's engagement with nature in a framework that invites comparison with Buell's discussion of Thoreau's "particularized immersion" at Walden (Environmental Imagination 132).

Lessons In Taxidermy - A Comprehensive Treatise On

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Ecology and environmental studies made for a natural partnership, since the scientific study of ecology provided the tools for meeting many of the emerging environmental threats, while those threats in turn provided new stimuli for ecological investigations. Sophomores are advised not to apply, but occasionally apply anyway in the hope that being rejected once increases their chances of being accepted into the program their junior year. Establishing the urgent need for a natural contract based upon the self-conscious acknowledgement of and love for Nature, which Serres recognizes as a creative and destructive, dynamic and indifferent force, The Natural Contract may encourage students to begin their reading of Romantic texts with a sense of the legacies of Romantic nature philosophy and the need to refigure the metaphors we use to construct our relationship to nature.

How to Read the American West: A Field Guide (Weyerhaeuser

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Various different species living in the same place, interacting amongst themselves and with their environment together form an ecosystem. The island group derives from the ancient supercontinent Gondwanaland (rather than being of volcanic origin) and is renowned for its striking flora and fauna, including many species that live nowhere else in the world. These hour-long programs for children ages 3 to 5 will get kids excited about the animals, plants, and habitats of the temperate rainforest and the world.

The Cambridge Natural History, Volume V. Peripatus -

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Activities include sports, games, crafts, science projects and field trips that center on exploring the natural elements of the surrounding mountains. They’re actually modified versions of proteins used in the digestive system. Here, plain to see, was a living, shining planet voyaging through space and shared by all of humanity, a precious vessel vulnerable to pollution and to the overuse of its limited capacities. Veneration of sacred groves and sacred trees is found throughout the history of the Germanic peoples and were targeted for destruction by Christian missionaries during the Christianization of the Germanic peoples.