Advances in Algal Biology: A Commemoration of the Work of by R. Jan Stevenson, Yangdon Pan, J. Patrick Kociolek, John C. PDF

By R. Jan Stevenson, Yangdon Pan, J. Patrick Kociolek, John C. Kingston

ISBN-10: 1402047827

ISBN-13: 9781402047824

Advances in Algal Biology: A Commemoration of the paintings of Rex Lowe used to be written by means of scholars and associates of Rex Lowe to recognize his esteemed profession that integrated unprecedented contributions to investigate and instructing. Papers within the ebook conceal various themes in algal ecology, concentrating on benthic algal ecology in freshwater ecosystems. The reports offer an strange mixture of small-scale experiments and large-scale local surveys that bridge either simple and utilized ecology. Ecologists, limnologists, phycologists, and environmental scientists will locate worthwhile contributions to the improvement and alertness of algal study.

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Extra resources for Advances in Algal Biology: A Commemoration of the Work of Rex Lowe (Developments in Hydrobiology)

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However, we believe the uncertainty introduced is acceptable given the geographic scale at which we are working, and the magnitude of differences among the sites. , units, method, sample location), we excluded those data from our analyses. We used TWINSPAN (Hill, 1979) to identify groups of samples with similar taxonomic composition. To determine robustness of these groupings, we ran several analyses, each time varying the dataset in some way, or selecting a different set of program options. 5% in 2 or more samples, (3) excluding the 12 most common taxa (those that occurred in 60 or more samples), and (4) removing the 32 sites with health categorized as ‘‘polluted’’ or ‘‘very polluted’’.

1992): (1) CCA with both environmental and spatial variables to determine the variance due to these two factors together, (2) CCAs with environmental and spatial data separately to determine the variance due to each individually, (3) partial CCA with environmental data as explanatory variables and spatial data as co-variables to determine the amount of variability not explained by spatial data that could be explained by environmental data, (4) the reverse, partial CCA using spatial data as explanatory variables and environmental data as covariables, and (5) calculation of the amount of variability that could be attributed to environmental data alone, to spatial data alone, and to an inseparable combination of environmental and spatial factors.

Levels of turbidity and SRP are also higher, due to natural conditions, and correlate with hardness, Cl and pH. A primary reason for these conditions is that the sites are located near the coast and marine influences cause higher Cl, and that some are in a drier climate resulting in higher dissolved solids and turbidity. These differences set most samples from this region apart from the others. Unlike the case for some other regions, SRP correlates more strongly with the first than the second axis.

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Advances in Algal Biology: A Commemoration of the Work of Rex Lowe (Developments in Hydrobiology) by R. Jan Stevenson, Yangdon Pan, J. Patrick Kociolek, John C. Kingston


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