By Rex L. Lowe (auth.), R. Jan Stevenson, Yangdong Pan, J. Patrick Kociolek, John C. Kingston (eds.)
Advances in Algal Biology: A Commemoration of the paintings of Rex Lowe was written by way of scholars and co-workers of Rex Lowe to recognize his esteemed profession that integrated unheard of contributions to investigate and educating. Papers within the e-book conceal numerous themes in algal ecology, concentrating on benthic algal ecology in freshwater ecosystems. The experiences supply an strange mix of small-scale experiments and large-scale local surveys that bridge either simple and utilized ecology. Ecologists, limnologists, phycologists, and environmental scientists will locate necessary contributions to the advance and alertness of algal study.
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Additional info for Advances in Algal Biology: A Commemoration of the Work of Rex Lowe
Types of water quality problems addressed by the river studies included: nutrient enrichment and biochemical oxygen demand (BOD) associated with wastewater treatment plants, industrial eﬄuent discharges, urban development, dams and impoundments, oil well brine, high turbidity due to various causes, and acid mine drainage. Some sites were inﬂuenced by estuarine conditions. All samples were collected from natural substrates, and were usually a composite of collections from all the microhabitats in the sampling area.
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. To select a subset of chemistry variables to use in ordination analysis, we used stepwise forward selection in canonical correspondence analysis (CCA) to choose chemistry variables that represented the major gradients, but did not correlate strongly with each other in explaining variability among diatom assemblages.
Filaments falsely branching, with one or more trichomes per ﬁlament. Trichomes isopolar. Hormogonia one to few celled, capable of undergoing division in two planes. Rexia erecta sp. nov. (Fig. 2a–e) Fila a substrato erecta, profuse pseudoramosa, hormogonis numerosis exorientibus separatione ramorum brevium, maximam partam trichoma singula, in cultura raro trichomis pluribus, 8–16 lm latae. Trichomae typice ad septa constrictae, raro nonconstrictae, saepe arcte ﬂexae et intricatae, versus apices leviter descrescentes, isopolares, pileo apicali necridiarum saepe evidentes, 5–11 lm latae.