重要
发表于 2025-3-21 19:36:13
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GULLY
发表于 2025-3-21 23:30:05
Charles H. Matthews,Mark T. Schenkel,Diana M. Hechavarriastanding of stream ecosystems rapidly advances, the pressures arising from diverse human activities continue to threaten the health of rivers worldwide. This book presents vital new findings concerning human impacts, and the advances in pollution control, flow management, restoration, and conservati
Indigence
发表于 2025-3-22 00:46:15
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蛤肉
发表于 2025-3-22 06:06:23
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amphibian
发表于 2025-3-22 09:48:16
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condemn
发表于 2025-3-22 14:35:06
M. Diane Burton,Phillip C. Anderson,Howard E. Aldrichtrue for every area of ecology during the closing years of the twentieth century it has become apparent that the study of streams and rivers cannot be carried out by excluding the role of human activities, nor can we ignore the urgency of the need for conservation. These developments are brought tog
免除责任
发表于 2025-3-22 21:00:02
ther than solely in terms of what food is eaten. When several species consume a common resource and acquire it in a similar fashion, they are considered members of the same guild. Thus, a fish species that captures invertebrate prey directly from the bottom would occupy a different guild from anothe
沙文主义
发表于 2025-3-23 00:15:10
Benson Honig,Jianwen (Jon) Liao,William B. Gartner (Ross, 1963; Hynes, 1963; Cummins, 1974; Hynes, 1975). New insights into the structure and function of running water ecosystems and terrestrial-aquatic linkages (Waring, 1980) are based on the changing terrestrial dependence with increasing channel size (Cummins, 1975, 1977; Vannote et al., 1980; M
THROB
发表于 2025-3-23 01:35:03
Mark T. Schenkel,Diana M. Hechavarria,Charles H. Matthewsrts have an even older legacy as exemplified by writings of the habits of burrowing mayfly nymphs by the Dutch naturalist, Swammerdam (1737): “Of all species of insects, I never saw any one more mild, gentle, or innocent. For, in whatever manner it is treated, it is always calm and peaceful; and whe
毕业典礼
发表于 2025-3-23 09:08:10
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