Factors Influencing the Success of Pelagic Cyanobacteria

  • 1.56 MB
  • English
Uppsala Universitet
Life Sciences - Biology - General, Life Sciences - Biology - Microbiology, Science, Science/Mathem
SeriesComprehensive Summaries of Uppsala Dissertations from the Faculty of Science and Technology, 443
The Physical Object
ID Numbers
Open LibraryOL12854052M
ISBN 109155444318
ISBN 139789155444310

This volume brings together the expertise and enthusiasm of an international panel of leading cyanobacterial researchers to provide a state-of-the art overview of the field. Topics covered include: evolution, comparative genomics, gene transfer, molecular ecology and environmental genomics, stress responses, bioactive compounds, circadian clock, structure of the photosynthetic apparatus.

At present, little is known regarding the cultivation of BSCs in the field due to lack of knowledge regarding the influencing factors that control BSCs growth. Thus, we determined the effects of various environmental factors (shade; watering; N, P, K, and Ca concentrations) on the growth of cyanobacteria-dominated BSCs from the Sonoran Desert Cited by: Influence of environmental factors on cyanobacteria: Figures 5 and 6 illustrate the PCA perfor med using 19 variables and based on 1 44 complete data sets.

The. Environmental factors influencing cyanobacteria community structure in Dongping Lake, China Article in Journal of Environmental Sciences 25(11)– November with 28 Reads.

Marine larval ecology is the study of the factors influencing dispersing larvae, which many marine invertebrates and fishes have. Marine animals with a larva typically release many larvae into the water column, where the larvae develop before metamorphosing into adults. Marine larvae can disperse over long distances, although determining the actual distance is challenging, because of their.

Sue B. Watson, John D. Wehr, in Freshwater Algae of North America (Second Edition), ii Factors Influencing Growth. A diversity of benthic taxa from most major cyanobacterial groups (see Chapter 4) can produce blooms, including species of Lyngbya, Microcoleus, Nostoc, Oscillatoria, Phormidium, Pseudanabaena, Plectonema, and benthic taxa employ many of the.

Cyanobacteria is a group of organisms which have enormous evolutionary, ecological, economic and environmental significance specially with regard to human benefit naturally, it is vary important to have a clear and in-depth knowledge about the various aspects of cyanbacterial origin, evolution, variations in morphology, ultra structure 5/5(2).

Other factors may also influence the abundance and biomass of pelagic zooplankton such as the presence of topographic or benthic ‘hotpots’, including seamounts (Uchida and Tagami,Rogers,Fock et al., ), cold water coral (Husebø et al.,Costello et al., ) and mud volcanoes (Olu-Le Roy et al.,Levin, ).Cited by: This chapter will present an overview of cyanobacterial harmful algal blooms (cyanoHABs) and biotic and abiotic factors, as well as various aspects associated with these worldwide ecological bursts.

The exact causes of the cyanoHABs are still not well defined, but eutrophication and climate change (temperature increase, light intensity variation, etc.) are the two assumed main factors that may Author: Naila-Yasmine Benayache, Tri Nguyen-Quang, Kateryna Hushchyna, Kayla McLellan, Fatima-Zohra Afri-Meh.

Description Factors Influencing the Success of Pelagic Cyanobacteria FB2

prokaryotic cyanobacteria may occur during summer. Cyanobacteria most commonly become dominant during periods of thermal stratification and are often limited to this period (Viner & White ).

Dominance by cyanobacteria can be attributed to many factors, including. ABSTRACT.

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AIM: Veredas and the aquatic and semi-aquatic communities play a key role in watershed protection in the Cerrado Biome. Information about the effects of physical and chemical variables and habitat integrity on benthic communities has been increased in recent years; however, there is no study evaluating the influence of urbanization on macroinvertebrates of Vereda streams.

Cyanobacteria are a fascinating and versatile group of bacteria of immense biological importance. Thought to be amongst the first organisms to colonize the earth, these bacteria are the photosynthetic ancestors of chloroplasts in eukaryotes, such as plants and algae.

In addition, they can fix nitrogen, survive in very hostile environments (e.g 5/5(1). I would strongly recommend it for library purchase and the reading list of advanced students in this field.

—Microbiology Today, May Nearly a decade since its landmark publication, this book has been thoroughly revised in this valuable new edition Like the successful first edition, Microbial Ecology of the Oceans, Second Edition is unique and fills a void in the rapidly growing fields.

Cyanobacteria, also known as blue-green algae, are among the most ubiquitous organisms on Earth. Representatives can be found in almost every ecosystem, from aquatic to terrestrial, from equatorial to polar (Birkemoe & Liengen, ; Novis et al. Cyanobacteria play a critical role in biogeochemical cycles accounting for ca.

% of globalAuthor: Holly Stephanie Stocks. Summary. The chapter focuses on features of Microcystis influencing its success in forming water blooms world-wide. The topics covered included its life strategy, life cycle, cell structure and function, together with the environmental variables.

Suggested Citation: "3 Stressors: Environmental Factors and Their Effects on the Bay-Delta Ecosystem." National Research Council. Sustainable Water and Environmental Management in the California Bay-Delta. Washington, DC: The National Academies Press. doi: / THE CHALLENGE: IDENTIFYING, DISTINGUISHING, AND RANKING INTERACTING.

Ch 19 Microbial Ecosystems. STUDY.

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PLAY. ecosystem - sum total of all organisms and abiotic factors in a particular environment - can contain many different habitats. habitat -planktonic heterotrophic prokaryotes abundant in pelagic waters (open ocean). decreases with depth. Introduction. Cyanobacteria are an ancient group of photosynthetic prokaryotic organisms (Wood et al., ).They have existed on earth for about billion years (Olson, ).Because of their high adaptability, they are an integral part of many terrestrial and aquatic ecosystems and have successfully established themselves even in extreme habitats such as saline lakes and thermal Cited by: Many cyanobacteria produce extracellular polysaccharide (EPS) sheaths, which act as a buffer zone between the cell and the environment, and contribute to desiccation tolerance.

In nitrogen-limited photic environments (especially those lacking nitrate and ammonium), cyanobacteria are the main diazotrophic (nitrogen-fixing) organisms. Start studying Marine Biology (BIOL) Chapter Learn vocabulary, terms, and more with flashcards, games, and other study tools.

Plankton are primarily divided into broad functional (or trophic level) groups. Phytoplankton (from Greek phyton, or plant), are autotrophic prokaryotic or eukaryotic algae that live near the water surface where there is sufficient light to support the more important groups are the diatoms, cyanobacteria, dinoflagellates and coccolithophores.

Cyanobacteria make a major contribution to world photosynthesis and nitrogen fixation, but are also notorious for causing nuisances such as dense and often toxic `blooms' in lakes and the ocean. The Ecology of Cyanobacteria: Their Diversity in Time and Space is the first book to focus solely on ecological aspects of these organisms.

Other critical factors influencing community dynamics are the components of its physical environment: a habitat’s climate (seasons, sunlight, and rainfall), elevation, and geology. These can all be important environmental variables that determine which organisms can exist within a particular area.

Pelagic copepods share a viscous, nutritionally dilute and dangerous environment with all other marine zooplankters but have in many cases evolved unique and efficient solutions to the main challenges of surviving, feeding and reproducing in this environment.

These solutions are key to their evolutionary by: Human Impact •Commercial Vessel Traffic: oil spills can be a threat to marine life. •Ocean Pollution: marine debris can disturb or harm the behavior and niches of marine life.

•Fishing: depletes fish, reduces biodiversity, too much fishing, just like hunting, can kill off an. Nutrients, temperature, and salinity as primary factors influencing the temporal dynamics of macroalgal abundance and assemblage structure on a reef of Du-Lang Bay in Taitung in southeastern Taiwan.

Botanical Studies   factors are due to the effects of other species living in the environment. For example, bioticfactors might relate to food supply, predation, grazing, competition and human Some abiotic factors such as light and depth play a big part.

know more about the timing of the different influencing factors. That is, we need to link individual life history dynamics with population and community dynamics.

This thesis identifies external and internal factors that influence individual plankton organisms as well as community structure.

This thesis was conducted as part of theCited by: 1. Pelagic Organism Decline Three Factors ty Species Projects. CALIFORNIA Water Boards. sg7 S35 SUISUN BAY MARTINEZ Highway 4 OAKLAND FAIRFIELD sugsugu MARSH CONCORD VAN SICKLE ISLAND PROSPECT ISk_ANO CLARKSBURG Highway 5 TEAMBOAT SLOUGH CREEK O LODI z C3A RYER HASTING GEORGIANA SLOUG OURTLAN.

Fish rely on the density and distribution of zooplankton to match that of new larvae, which can otherwise starve. Natural factors (e.g., current variations) and man-made factors (e.g. river dams) can strongly affect zooplankton, which can in turn strongly affect larval survival and therefore breeding success.

factors most strongly influence their vertical distribution. Additionally with controlled laboratory experiments I sought to determine how two of these factors (light intensity and prey density) influence the foraging success of a fish species with a pelagic larval stage, yellow perch (Perca flavescens).- To experimentally manipulate the trophic levels of the food web to determine which factors (i.e.

resources or consumers) were most significant in promoting the growth of cyanobacteria. I sampled temperature, dissolved oxygen, nutrient levels, and phytoplankton and zooplankton communities from 7 October to 7 July Sea Turtles Limiting factor and its affect on one single species Sea Turtles have adapted to the ocean by being such good swimmers and divers.

Ocean waters are hard to swim in, and turtles once hatched and reach the water are fully able to swim. They have to be able to swim.