Waste-tire-derived crumb rubber was utilized as filter media to develop an efficient filter for ballast water treatment. In this study, the effects of coagulation, pressure filtration and dual-media (gravity) filtration on the performance of the crumb rubber filtration were investigated. The removal efficiencies of turbidity, phytoplankton and zooplankton, and head loss development were monitor...

We applied natural abundance stable isotope δ13C and radiocarbon ∆14C analyses to investigate trophic linkages between zooplankton and their potential food sources (phytoplankton, submersed plants, and allochthonous organic carbon) in Lake Nam Co, one of the largest oligosaline and oligotrophic lakes in the Tibetan Plateau, in south-west China. The δ13C and ∆14C levels of the calanoid copepod A...

Oxygen minimum zones (OMZs) in the ocean are of key importance for pelagic fixed-nitrogen loss (N-loss) through microbial denitrification and anaerobic ammonium oxidation (anammox). Recent studies document that zooplankton is surprisingly abundant in and around OMZs and that the microbial community associated with carcasses of a large copepod species mediates denitrification. Here, we investiga...

ELENA LITCHMAN1,2,*, MARK D. OHMAN3 AND THOMAS KIØRBOE2 1 KELLOGG BIOLOGICAL STATION, MICHIGAN STATE UNIVERSITY, HICKORY CORNERS, MI, USA, CENTRE FOR OCEAN LIFE, NATIONAL INSTITUTE FOR AQUATIC RESOURCES, TECHNICAL UNIVERSITY OF DENMARK, KAVALERGÅRDEN 6, CHARLOTTENLUND 2920, DENMARK AND INTEGRATIVE OCEANOGRAPHY DIVISION, SCRIPPS INSTITUTION OF OCEANOGRAPHY, UNIVERSITY OF CALIFORNIA, SAN DIEGO, C...

x Acknowledgements xi

The southwestern Ross Sea (Antarctica) supports a large bloom of Phaeocystis antarctica in the Ross Sea polynya, which is impacted minimally by zooplankton and a smaller diatom bloom in the adjacent Terra Nova Bay polynya, which are more readily grazed. This difference in grazing pressure between the two regions frequently has been explained by a reduced susceptibility of P. antarctica to grazi...

We explored rates and stoichiometry (C : N : P ratios) of sinking particles in a temperate reservoir during a 2-yr period. Plankton was sampled weekly, and a sediment trap placed below the metalimnion collected sinking particles. There were no significant relationships between the stoichiometry of entrapped material and seston or zooplankton stoichiometry. However the differences in the entrapp...

3 Chapter 1 Introduction 1.1 Background 4 1.2 Mangroves as Nurseries 5 1.3 Nearshore Tropical Zooplankton 7 1.4 Aims 9 Chapter 2 Materials and Methods 2.1 Study Area 10 2.2 Sampling Design 11 2.2.1 Net tows 11 2.2.2 Nightlight sampling 11 2.2.3 Sample preparation 12 Chapter 3 Results 3.1 Zooplankton composition 14 3.2 Larval fish 16 Chapter 4 Discussion 20 Chapter 5 Conclusion 24 References 25 ...

The results of an investigation carried out during October 2005 to September 2006 on hydrography composition and community structure of phytoplankton and zooplankton including chlorophyll 'a' (Chl-a) content and primary productivity (PP) at the Kaduviyar estuary (Southeast coast of India) are reported. Air and surface water temperatures (degrees C) varied from 23 to 29 and from 24 to 31 respect...

1. The model of the International Society of Limnology (SIL) Plankton Ecology working group (hereafter the PEG model) is a verbal model describing the patterns and driving factors of seasonal phytoplankton and zooplankton succession in oligotrophic and eutrophic lakes (Sommer et al., 1986). Despite being a citation classic, tests of the PEG model with respect to differences in zooplankton bioma...