morale
发表于 2025-3-23 11:22:39
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ingrate
发表于 2025-3-23 16:52:06
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变色龙
发表于 2025-3-23 20:15:06
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EXULT
发表于 2025-3-24 00:13:46
The dynamics and role of limnetic zooplankton in Loosdrecht lakes (The Netherlands) lake’s eutrophication and deteriorating water quality was supply up to mid 1984 of water from the River Vecht. This supply was replaced by dephosphorized water from the Amsterdam-Rhine Canal in 1984. The effects of this and other restoration measures on the lake’s ecosystem were studied. Despite a
FUSE
发表于 2025-3-24 04:10:55
P-load, phytoplankton, zooplankton and fish stock in Loosdrecht Lake and Tjeukemeer: confounding effnds. The biomasses of the respective fish species amount to .. 250, 25 and 10kg ha. and correspond to those in Tjeukemeer, another lake in The Netherlands. The average size of bream, however, is much smaller in the Loosdrecht lakes as a consequence of poorer feeding conditions. The zooplankton commu
花争吵
发表于 2025-3-24 07:46:33
Restoration and resilience to recovery of the Lake Loosdrecht ecosystem in relation to its phosphoruts in Lake Loosdrecht. This reduction measure turned out to have decreased the loading only by a factor of two. A conceptual model was constructed based on laboratory measurements to describe phosphorus flow in the lake ecosystem for the summer of 1987. The role of zooplankton and fish was more impo
卵石
发表于 2025-3-24 11:27:32
Multivariate analysis of the plankton communities in the Loosdrecht lakes: relationship with the ches monitoring study (1983–1990), were examined using Principal Components Analysis (PCA) and Redundancy Analysis (RDA). The Loosdrecht lakes are highly eutrophic lakes, in which several restoration measures were taken from 1970 to 1986. These measures included the diversion of sewage by the construct
无聊点好
发表于 2025-3-24 18:09:33
A mathematical model of the phosphorus cycle in Lake Loosdrecht and simulation of additional measuretion model PCLOOS. The model comprises three algal groups, zooplankton, fish, detritus, zoobenthos, sediment detritus and some inorganic phosphorus fractions. All organic compartments are modelled in two elements, carbon and phosphorus. Within the model system, the phosphorus cycle is considered as
持续
发表于 2025-3-24 20:49:37
Remote sensing as a tool for assessing water quality in Loosdrecht lakes with estimations of scattering and laboratory measurements of absorption by aquatic humus and particulate matter, enabled an analysis of the spectral signature of these waters. Aircraft imaging spectrometer measurements of upwelling radiance at 1 km altitude were used to simulate the PMI Chlorophyl
镀金
发表于 2025-3-25 00:21:01
Water quality research in the Loosdrecht lakes: proposals for the follow-up restoration measuresince of Utrecht proposed, after consulting the research group Water Quality Research Loosdrecht lakes (WQL), measures to reduce the present external phosphorus loading from 0.35 to 0.1 g Pm. y.. Mathematical modelling suggested that such a reduction would benefit the water quality of the lakes. The