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Titlebook: Lake Verevi, Estonia - A Highly Stratified Hypertrophic Lake; Ingmar Ott,Toomas K?iv Book 2005 Springer Science+Business Media B.V. 2005 V

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31#
發(fā)表于 2025-3-26 22:35:37 | 只看該作者
Primary production of phytoplankton in a strongly stratified temperate lake,e of a ‘good’ status. Considering the total amounts of nutrients stored in the hypolimnion, the average potential concentrations in the whole water column could achieve 1885 mg m. of TN and 170 mg m. of TP reflecting hypertrophic conditions and a ‘bad’ status. Improvement of the epilimnetic water qu
32#
發(fā)表于 2025-3-27 01:10:30 | 只看該作者
Resource ratios and phytoplankton species composition in a strongly stratified lake,s occurred in the phytoplankton throughout the vegetation period. The spring peak was dominated by diatoms (. var. .) and the summer peak was caused by . and .. The study showed that in physically stratified systems, the total concentration of limiting resources and plain physical factors (light and
33#
發(fā)表于 2025-3-27 07:01:47 | 只看該作者
The composition and density of epiphyton on some macrophyte species in the partly meromictic Lake Vria 8, 16 and 10% of the same ecotopes, respectively. As a rule, the epiphyton was quite sparse on large . leaves. Cyanobacteria were more abundant on large . and . leaves, ., on stems of . L., . and on some emergent plants with a smooth and soft stem surface, as . and .. Diatoms played the most imp
34#
發(fā)表于 2025-3-27 10:41:35 | 只看該作者
35#
發(fā)表于 2025-3-27 14:15:58 | 只看該作者
Vertical and seasonal dynamics of planktonic ciliates in a strongly stratified hypertrophic lake,dually replaced by scuticociliates and mixotrophic . spp. In the hypolimnion scuticociliates and species known as benthic migrants dominated. In the epilimnion and upper metalimnion in spring large herbivores and in summer small bacterivores were more numerous.
36#
發(fā)表于 2025-3-27 18:06:05 | 只看該作者
37#
發(fā)表于 2025-3-28 01:06:08 | 只看該作者
Diel migration and spatial distribution of fish in a small stratified lake,th zones and was active over a 24-h period. Piscivores, perch and pike . L., were inactive in the dark. Perch inhabited mostly the littoral zone and the duration of its activity increased with age. In summer-stratified Lake Verevi, sharp change in the values of oxygen in the metalimnion along with s
38#
發(fā)表于 2025-3-28 05:11:45 | 只看該作者
Book 2005ion of various biota (bacterio-, phyto and zooplankton, periphyton, macrovegetation, macrozoobenthos, fish) are discussed. The most important issues are long-term investigations on a complex ecosystem, the phenomenon of partial meromixis, the description of restoration methods, and the existence of
39#
發(fā)表于 2025-3-28 08:02:06 | 只看該作者
40#
發(fā)表于 2025-3-28 14:14:08 | 只看該作者
Lake Verevi, Estonia - A Highly Stratified Hypertrophic Lake
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