北极熊
发表于 2025-3-28 16:20:36
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jungle
发表于 2025-3-28 20:51:10
Kompressionssyndrome peripherer Nerven weak coupling between phytoplankton and zooplankton in Clear Lake and Lake Tahoe, two lakes which lie near opposite extremes of lake trophic status for most lakes. These observations, along with work reported by other researchers, suggest that linkages between zooplankton and phytoplankton may be w
Obsessed
发表于 2025-3-28 23:36:08
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Madrigal
发表于 2025-3-29 04:16:49
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过份
发表于 2025-3-29 07:20:28
Grundlagen und Wirkweise der Kompression, a real grazing control was only observed in bags with addition of .. No direct grazing effects could be observed on the absolute or relative biomass of cyanobacteria (mainly .). The share of cyanobacteria in total phytoplankton biomass was lowest in summer (7–26%), higher in spring (39–63%) and mor
态学
发表于 2025-3-29 13:13:20
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贞洁
发表于 2025-3-29 18:43:05
https://doi.org/10.1007/978-3-662-25489-9e reported. The phytoplankton biomass was not affected much by the release of fish. Possible reasons are that the increase in density of rotifers reduced the biomass of available phytoplankton and also that inedible Cyanophyceae were in the decreasing phase of their seasonal succession and could not
alabaster
发表于 2025-3-29 23:30:13
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倔强不能
发表于 2025-3-30 02:56:28
Silke Allmann,Jorina Talmon-Grosloomforming cyanobacteria caused by between-lake variations in nutrient levels and probably also mixing- and flushing rates, (2) a difference in specific loss rates through sedimentation of the algal community prevaling after the fish manipulation, (3) a decreased impact of planktivorous fish with i
确定方向
发表于 2025-3-30 05:32:50
Silke Allmann,Jorina Talmon-Grose ratio of piscivorous to planktivorous fish. The maximum depth at which submerged macrophytes occurred, decreased exponentially with increasing P concentration. Submerged macrophytes were absent in lakes > 10 ha and with P levels above 250−300 .g P 1., but still abundant in some lakes < 3 ha at 650