Improved prediction of vegetation composition in NW European softwater lakes by combining location, water and sediment chemistry

2011 ◽  
Vol 74 (2) ◽  
pp. 351-360 ◽  
Author(s):  
Cristina Pulido ◽  
Kaj Sand-Jensen ◽  
Esther C. H. E. T. Lucassen ◽  
Jan G. M. Roelofs ◽  
Klaus P. Brodersen ◽  
...  
1975 ◽  
Vol 19 (1) ◽  
pp. 367-371
Author(s):  
Dennis R. Sasseville ◽  
Stephen A. Norton ◽  
Ronald B. Davis

2014 ◽  
Vol 71 (1) ◽  
pp. 63-69 ◽  
Author(s):  
Krzysztof Banaś

In 10 softwater lakes of NW Poland (5 very acid and 5 slightly acid) three kinds of <em>Sphagnum denticulatum</em> Bridel [=<em>S. auriculatum</em> Schimper] habitats have been studied: oligohumic (&lt;2.0 mg C<sub>DHS</sub> dm<sup>-3</sup>) and α-mesohumic (2.0-4.0 mg C<sub>DHS</sub> dm<sup>-3</sup>) and β-mesohumic (4.1-8.0 mg C<sub>DHS</sub> dm<sup>-3</sup>). During habitats humification in very acid lakes some water and sediment characteristics, such as pH, conductivity, TDS, and calcium concentration are low and almost invariable, whereas variable are the colour and clearness of the water. In low-acidity lakes the values of habitat characteristics are higher and also nearly invariable. The optimum habitats for <em>S. denticulatum</em> are oligohumic (&lt;1.8 mg C<sub>DHS</sub> dm <sup>-3</sup>), very acid (pH 4.0-4.4) sites found at depths from 4 to 8 m, where the species forms large and close carpets. In slightly acid lakes it is rare, grows at depths below 5 m and forms populations of very low density. In mesohumic habitats in both kinds of lakes <em>S. denticulatum</em> is a frequent species, but its populations are very thin there.


2009 ◽  
Vol 43 (3) ◽  
pp. 463-474 ◽  
Author(s):  
Jianting Ju ◽  
Li-ping Zhu ◽  
Junbo Wang ◽  
Manping Xie ◽  
Xiaolin Zhen ◽  
...  

1997 ◽  
Vol 63-65 (1) ◽  
pp. 775-788 ◽  
Author(s):  
S. M. Pfiffner ◽  
A. V. Palumbo ◽  
T. Gibson ◽  
D. B. Ringelberg ◽  
J. F. McCarthy

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