过份好问
发表于 2025-3-26 21:04:33
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Magisterial
发表于 2025-3-27 04:02:24
arly spring. The species composition, abundance, size-frequency distribution, biomass and diurnal dynamics were estimated. Many species abundant in the pelagic zone were found to be absent or scarce out to depths of 5 m. In the daytime, at depths out to 3 m, crustaceans greater than 1.0 mm were seld
除草剂
发表于 2025-3-27 05:32:52
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巫婆
发表于 2025-3-27 10:44:06
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毛细血管
发表于 2025-3-27 14:47:40
Gerhard Schwarzf the most important surface fresh water reserves of the world, are a major wealth for the adjoining countries. Moreover, these large lakes constitute the water supply for some of the major African rivers, the Congo River, the Nile River and the Zambezi River. They also are economically important fo
小步走路
发表于 2025-3-27 20:26:09
Gerhard Schwarz, and executed by the Food and Agriculture Organization (FAD) in cooperation with the Governments of Rhodesia and Zambia. Dr. A. G. COCHE took charge of the Limnological Section and conducted research on the entire lake between January 1965 and January 1966. In 1966 the Central Fisheries Research In
公理
发表于 2025-3-27 23:16:35
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归功于
发表于 2025-3-28 03:44:34
Gerhard Schwarz, and executed by the Food and Agriculture Organization (FAD) in cooperation with the Governments of Rhodesia and Zambia. Dr. A. G. COCHE took charge of the Limnological Section and conducted research on the entire lake between January 1965 and January 1966. In 1966 the Central Fisheries Research In
有节制
发表于 2025-3-28 06:41:00
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membrane
发表于 2025-3-28 14:13:19
Gerhard Schwarze Prehistoric Man witnessed the last tectonic readj ustments of the Rift Valley, geological events do not belong only to the remote past but still strongly affect the lacustrine environment. It is therefore necessary to give a detailed picture of the regional background and limnological features of