By Jacques Cousteau, Susan Schiefelbein
“An electrifying, many-faceted masterwork.”—Booklist
The liked explorer Jacques Cousteau witnessed firsthand the complexity and sweetness of existence on the earth and undersea—and watched the toll taken via human job within the 20th century. during this awesome final ebook, now to be had for the 1st time within the usa, Cousteau describes his deeply educated philosophy approximately conserving our global for destiny generations. Weaving gripping tales of his adventures all through, he and coauthor Susan Schiefelbein deal with the dangers we take with human well-being, the overfishing and sacking of the world’s oceans, the dangers of nuclear proliferation, and the environmental accountability of scientists, politicians, and other people of religion. This prescient, clear-sighted booklet is a awesome testomony to the existence and paintings of 1 of our best sleek adventurers.
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Additional info for The Human, the Orchid, and the Octopus: Exploring and Conserving Our Natural World
The remainder of the grid cells are then sorted in terms of species richness of all those species not represented in the first cell, and the computer algorithm selects the richest of these remaining cells. This is then repeated in an iterative fashion until all species are represented at least once in a site (or a given number of times). Ties can be broken according to various rules that lead to a number of potentially different outcomes. This process produces a near-minimum set of sites. Alternatively, the algorithm could be: choose the county or cell with the greatest number of rare species.
Bars in the varying extent analyses (c, d) are means of the correlation coefficients for the taxon within the extent. Taxon key: A, amphibian; B, bird; Bu, butterfly; F, fish; M, mammal; Mu, mussel; R, reptile. (Reprinted from Hess et al. ) Buzzwords in Conservation Biology 13 surrogate taxa by which we might measure this biodiversity will differ, too (Bohring-Gaese 1997). The third reason for considering scale is that the effects of disturbance are scale-dependent. This is because α and β diversity increase with spatial scale at a faster rate in undisturbed habitat than in disturbed habitat because of reduced habitat heterogeneity in the former and abridged spatial autocorrelation of diversity following disturbance (Dumbrell et al.
01) 34 c o n s e r v a t i o n b y p r o x y These issues thwart the quest for a single indicator taxon of global species richness (Flather et al. 1997). If associations within continents are examined in more detail, it appears that certain taxa are effective in predicting overall species richness in some parts of a continent, whereas other taxa predict it well elsewhere (see Figure 2-1). Butterflies, birds, and mammals each predict combined species richness of other groups in southeastern North America; trees, amphibians, and land snails perform well in the southeast and central regions; reptiles and tiger beetles in the southeast United States, the Rocky Mountains, and the West Coast.