By R. Jan Stevenson, Yangdon Pan, J. Patrick Kociolek, John C. Kingston
Advances in Algal Biology: A Commemoration of the paintings of Rex Lowe was once written through scholars and co-workers of Rex Lowe to recognize his esteemed profession that incorporated extraordinary contributions to analyze and educating. Papers within the publication hide various themes in algal ecology, concentrating on benthic algal ecology in freshwater ecosystems. The reviews supply an strange mix of small-scale experiments and large-scale nearby surveys that bridge either simple and utilized ecology. Ecologists, limnologists, phycologists, and environmental scientists will locate beneficial contributions to the improvement and alertness of algal study.
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Extra info for Advances in Algal Biology: A Commemoration of the Work of Rex Lowe (Developments in Hydrobiology)
Percent abundance counts and log10+1 of percentages were both used. 12 NH4 SO4 NO3 taxa, but in most cases used the default values of 0, 2, 5, 10 and 20%, or their logarithmic equivalents. Default values were used for other program options. Final selection of TWINSPAN groups was based on the ﬁrst three divisions of samples. , 1995; ter Braak & Sˇmilauer, 1998). We performed principal components analysis (PCA) of all water chemistry variables in the 104 sample dataset to determine the main chemistry gradients within the dataset.
The vertical axis has a weaker relationship with SRP and BOD than for other regions, probably at least in part because there is less of a range in these variables for this group of rivers. There is a stronger relationship with SRP on the third axis. This may be because the temperature/elevation gradient displaces pH related factors as being most closely associated with the ﬁrst axis; pH-related factors then become more important on the second axis, and perhaps SRP and BOD/DO factors are displaced to the third axis, compared with other regions.
This may be because the temperature/elevation gradient displaces pH related factors as being most closely associated with the ﬁrst axis; pH-related factors then become more important on the second axis, and perhaps SRP and BOD/DO factors are displaced to the third axis, compared with other regions. Gulf Coast (GC) Assemblages from the Neches, Sabine and Mississippi are relatively similar and overlap (Fig. 4). Samples from the Guadalupe are separate, probably because sites from which they were collected have a higher alkalinity than sites on the other rivers.