FIR 发表于 2025-3-25 05:51:00

Twenty years of dynamics and distribution of , L. in Lake Veluwe,etation is largely restricted to the area shallower than 1 m throughout this period. The vegetated area is correlated positively with transparency of the water. However, there is no clear relationship between the maximum vegetated depth and transparency. Even in years with a Secchi depth of not more

人充满活力 发表于 2025-3-25 07:48:21

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Desert 发表于 2025-3-25 13:06:37

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老人病学 发表于 2025-3-25 19:01:28

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Carcinogenesis 发表于 2025-3-25 22:12:07

Photoperiodic effects on photosynthesis and tuber production in , L.,nditions. To distinguish between photosynthetic and photoperiod, three different light regimes were used. One regime consisted of the classical long-day condition (regime 1: 16 h 200 μE m. s.; long photoperiod and long photosynthetic period). In regime 2, a period of 10 h 200 μE m. s. was wedged in

最有利 发表于 2025-3-26 00:19:49

Early growth characteristics of , L.: the significance of the tuber,e tubers germinated readily upon detachment from the mother plant, so no innate dormancy was present; (b) when the tubers remained attached to the mother rhizome, however, no germination was observed; (c) larger tubers germinated earlier than smaller ones; and (d) the proportion of a clutch from one

LINES 发表于 2025-3-26 06:56:07

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entrance 发表于 2025-3-26 12:21:31

Factors contributing to light attenuation in Lake Veluwe,luate the effects of a lake restoration program, which started in 1980 and included reduction of the phosphorus load and flushing of the lake, we analyzed changes in the chlorophyll, organic and inorganic tripton concentrations and the vertical attenuation coefficient. Using multiple regression tech

平淡而无味 发表于 2025-3-26 16:23:36

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倔强一点 发表于 2025-3-26 20:51:30

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查看完整版本: Titlebook: Lake Veluwe, a Macrophyte-dominated System under Eutrophication Stress; Wim Vierssen,Michiel Hootsmans,Jan Vermaat Book 1994 Kluwer Academ