| 1877 - 974 lehte
...change involves numerous other changes, often of the most unexpected kind. The introduction of goate into St. Helena utterly destroyed a whole flora of...which ran wild in Mauritius, exterminated the dodo. Cattle will, in many districts, wholly prevent the growth of trees; and with the trees the numerous... | |
| 1878 - 534 lehte
...with stones and sand. Mr. Wallace, in his work, The Geographical Distribution of Animals, mentions how "the introduction of goats into St. Helena utterly...and perhaps, birds, directly or indirectly dependent upon them." And though, of course, the limited area of that island and the unlimited powers of reproduction... | |
| 1878 - 538 lehte
...with stones and sand. Mr. Wallace, in his work, The Geographical Distribution of Animals, mentions how "the introduction of goats into St. Helena utterly...and perhaps, birds, directly or indirectly dependent upon them." And though, of course, the limited area of that island and the unlimited powers of reproduction... | |
| 1884 - 500 lehte
...skeletons grow, are merely dry ravines, tilled up with stones and sand. We are told by a traveller how the introduction of goats into St. Helena utterly...flora of forest trees, and with them all the insects, moliiftca, and perhaps birds directly or indirectly dependent upon them. And though of course the limited... | |
| 1884 - 756 lehte
...skeletons grow are merely dry ravines, filled up with stones and sand. We are told by a traveller how the introduction of goats into St. Helena utterly...flora of forest trees and with them all the insects, molusca, and perhaps birds directly or indirectly dependent upon them. And though of course the limited... | |
| American Association for the Advancement of Science - 1898 - 626 lehte
...cultivation or the reckless introduction of goats and pigs" (Island Life, p. 7). Elsewhere he shows that the introduction of goats into St. Helena utterly...with them all the insects, mollusca and perhaps birds dependent upon them. And further, that " cattle will, in many districts, wholly prevent the growth... | |
| American Association for the Advancement of Science - 1898 - 620 lehte
...cultivation or the reckless introduction of goats and pigs" (Island Life, p. 7). Elsewhere he shows that the introduction of goats into St. Helena utterly...with them all the insects, mollusca and perhaps birds dependent upon them. And further, that " cattle will, in many districts, wholly prevent the growth... | |
| Alfred Russel Wallace - 2003 - 464 lehte
..."bioinvasions" and at the threat of the homogenization - the "McDonaldsization" - of global ecosystems. '•a': Every change becomes the centre of an ever-widening...perhaps birds directly or indirectly dependent on them." [1876] ?» Geography, Geology, and Glaciology Like Darwin, Wallace was an accomplished geologist and... | |
| Alfred Russel Wallace - 2002 - 460 lehte
..."bioinvasions" and at the threat of the homogenization - the "McDonaldsization" - of global ecosystems. '«5 Every change becomes the centre of an ever-widening...destroyed a whole flora of forest trees; and with them all tln' insects, mollusca, and perhaps birds directly or indirectly dependent on them.37 [1876] ?•>... | |
| American Association for the Advancement of Science - 1898 - 624 lehte
...cultivation or the reckiess introduction of goats and pigs" (Island Life, P- 7). Elsewhere he shows that the introduction of goats into St. Helena utterly...with them all the insects, mollusca and perhaps birds dependent upon them. And further, that " cattle will, in many districts, wholly prevent the growth... | |
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