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The Magnitude of Global Marine Species Diversity
- W. Appeltans, S. Ahyong, +118 authors Mark John Costello
- Medicine, BiologyCurrent Biology
- 4 December 2012
The first register of the marine species of the world is compiled and it is estimated that between one-third and two-thirds of marine species may be undescribed, and previous estimates of there being well over one million marine species appear highly unlikely.
Periphytic ciliate colonization: annual cycle and responses to environmental conditions
Diversity and evenness indices were found to be relatively independent of physico-chemical factors, whereas species richness and the ratio of biomass to abundance were strongly related to nutrients, and multivariate analyses revealed that temperature, nutrients and salinity may best explain the changes in community structure of ciliates colonizing the glass slides.
Enzymes and compartmentation of core energy metabolism of anaerobic protists - a special case in eukaryotic evolution?
Neomonada and the origin of animals and fungi.
Reconsideration of the Phylogenetic Positions of Five Peritrich Genera, Vorticella, Pseudovorticella, Zoothamnopsis, Zoothamnium, and Epicarchesium (Ciliophora, Peritrichia, Sessilida), Based on…
- Lifang Li, Weibo B. Song, +4 authors P. Sun
- Biology, MedicineThe Journal of eukaryotic microbiology
- 1 September 2008
The molecular work demonstrates the genus Zoothamnium to be paraphyletic in relation to morphological studies, and suggests that Astylozoon, Opisthonecta, and Vorticella microstoma possibly share a SSU rRNA secondary structure in the helix E10‐1 region.
Trichodinid ectoparasites (Ciliophora: Peritrichida) of some marine fishes from coastal regions of the Yellow Sea and Bohai Sea
- Kuidong Xu, Weibo B. Song, A. Warren, J. Choi
- Biology, MedicineSystematic Parasitology
- 1 September 2001
Five species of marine fishes, including two of the main maricultured fishes from coastal regions of the Yellow Sea and Bohai Sea, were examined for ectoparasitic trichodinids, finding both prevalence and intensity of infestation to be high.
Investigation of Escherichia coli removal in various designs of subsurface flow wetlands used for wastewater treatment
Comparative studies were carried out on both pilot-scale and laboratory systems (microcosms) in order to determine the Escherichia coli removal rates and to investigate the E. coli removal kinetics…
Protistan communities in aquifers: a review.
If verified, the following hypotheses may prove to be important towards the understanding of the functioning of microbial communities in aquifers: differences in swimming behavior between species of flagellates lead to feeding heterogeneity and niche differentiation, implying that bacterivorous flageLLates graze on different subsets of the bacterial community, and therefore play different roles in controlling bacterial densities.
A revision of the genus Vorticella (Ciliophora: Peritrichida)
- A. Warren
- 24 April 1986
Molecular phylogeny of Pseudokeronopsis (Protozoa, Ciliophora, Urostylida), with reconsideration of three closely related species at inter‐ and intra‐specific levels inferred from the small subunit…
The result supports the closest relationship of Pseudokeronopsis and Pseudourostyla that forms the so-called Acaudalia Berger (2006) and confirms that Pseudok.