| 单词 |
palæoecology |
| 释义 |
ˌpalæoeˈcology
Also (chiefly U.S.) paleo-.
[f. palæo-, paleo- + ecology.]
The ecology of fossil plants and animals.
1898C. MacMillan in Minnesota Bot. Stud. I. 950 Paleoecology might be defined as the science of adaptations of fossil organisms. 1916F. E. Clements Plant Succession xii. 193 Paleo-ecology develops its most fascinating aspect when it reaches the Human period. 1942Bull. Amer. Assoc. Petroleum Geologists XXVI. 1697 Paleoecology, both organic and sedimentary, is a fertile field for geologic research. 1969Beaver Summer 36/2 Too little is known about too few of the insects in Canadian amber to draw conclusions about their palaeo-ecology. 1976Nature 29 Jan. 350/3 Palaeoecology is primarily concerned with the reconstruction of past ecosystems from palaeontological and lithological evidence.
Hence ˌpalæoecoˈlogic, -ical adjs., ˌpalæoecoˈlogically adv.; palæoeˈcologist, an expert or specialist in palæoecology.
1934Webster, Paleoecologist. 1940Bull. Amer. Assoc. Petroleum Geologists XXIV. 1196 (heading) Inferred and possible paleoecological effects of the water medium. 1940Jrnl. Paleont. XIV. 320/2 In a problem of this kind the paleoecologist is greatly handicapped by the fact that every criterion available is susceptible of a variety of interpretations. 1954Jrnl. Geol. LXII. 234/2 Paleoecological factors, such as wide fluctuations in salinity and insolation-induced temperatures, are insufficient for such mean growth temperatures. 1959Jrnl. Palæont. XXXIII. 936/1 More in need of emphasis paleoecologically, the change from water to sediment or between sediment layers may be almost as profound as that from air to water. 1961Webster, Paleoecologic. 1963Potter & Pettijohn Paleocurrents & Basin Anal. i. 2 Knowledge of current direction is also useful in paleoecologic studies. 1975Nature 6 Feb. 400/1 Palaeoecological studies suggest that the species [sc. Armeria maritima] was widespread in distribution during the cold and disturbed conditions at the close of the last glaciation. 1977A. Hallam Planet Earth 218 Because they are far more abundant, the invertebrate fossil faunas of the sea are of more importance to stratigraphers and paleoecologists than are the vertebrates. |
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