PPT-Nutrient Cycling Biogeochemical Cycles

Energy vs Matter Energy flows throughout an ecosystem in ONE direction from the sun to autotrophs to heterotrophs Matter is recycled WHY Biogeochemical Cycles Matter can cycle through ecosystems because organisms dont USE it they TRANSFORM it. cycles. The study and characterization of protists has a long and distinguished tradition. Even with this history, the extraordinary species diversity and vari - ety of interactions of protists in Lake Victoria. Incredible diversity of cichlid fishes.. More than half of the 500 species now endangered.. Nile perch. Increased phytoplankton. Cyanobacteria. Lake Victoria. Algal bloom causes and increasing rate of decomposition as algae die off.. Understanding of global biogeochemical cycling and computer modeling developed during my PhD stood me in good stead for the three Postdoctoral research contracts that followed. During the first two of Group . Members: Martina . Ederer, April Ann . Fong, Sarah . Gerken. , . Mary . Oswald. , . Alison Rodal, . and Michael . Gillespie.  . Course Context. Majors . Biology . course (with other STEMs). Student Background: High School Biology. Biogeochemical Cycle. : the cycling of chemical elements required by life between the living and nonliving parts of the environment. Some examples of these chemical elements are H2O, P, S, N2, O2 and C. . Co-investigators . Philippe van Cappellen, Helen Powley, Kay Emeis, Nurit Kress, Kent Fanning, and Rob Mortimer . I wish to dedicate this lecture to my good friend and former colleague . Tommy Berman (1934-2013). What are these?. These are the cyclic pathways through which chemical elements move from the environment to organisms and back to the environment.. Such movements are essential for the maintaining of life, so are also called . EEOS 660. November 13, 2014. Geochemistry in Neponset Salt Marsh Restoration. Google. . Maps. (2014). Geochemical processes . (nutrient . cycling) . effect . the functions of microbial processes and primary production.. Objectives:. Identify and describe the flow of nutrients in each biogeochemical cycle. . Explain the impact that humans have on the biogeochemical cycles. .. What happens to energy in an ecosystem?. William H. Schlesinger. Millbrook, New York. 1. Some basic stoichiometry for life―in biomass. . . First articulated by Liebig (1840). and later advanced by Redfield (1958), Reiners (1986), . Sterner and . AP Environmental Science. Overview . What is nutrient cycling?. Hydrological Cycle. Carbon Cycle. Nitrogen Cycle. Phosphorous Cycle. Sulfur Cycle. Nutrient Cycling. Driven directly or indirectly by solar energy and gravity.. Penny Johnes, Charlotte Lloyd, Kim Freer (University of Bristol); Emma Pilgrim & Michael Winter (University of Exeter). Adie Collins & Alison Carswell (Rothamsted Research); Moragh Stirling (University of Reading). Including:. Biological use of each nutrient. Processes in the ecosystem that effect its availability. A diagram of the cycle. Nitrogen- 2 pages. Carbon- 2 pages. Phosphorus- 1 page. Magnesium- 1 page. AICE Marine. Detritus:. What is it?. How does it fit in to a food web/chain?. Who/what consumes it?. Detritus:. What is it? . Dead, decaying organic matter . How does it fit into a food web/chain? .