6/22/2008 1 Biogeochemistry of Wetlands Si dA li ti Si dA li ti Institute of Food and Agricultural Sciences (IFAS) Science and Applications Science and Applications Wetland Biogeochemistry Laboratory S il dWt Si D t t ADVANCES IN BIOGEOCHEMISTRY 6/22/2008 P.W. Inglett 1 6/22/2008 WBL 1 6/22/2008 1 6/22/2008 WBL 1 Instructor : Patrick Inglett [email protected]Soil and Water Science Department University of Florida 6/22/2008 P.W. Inglett 2 S. Harris: http://www.sciencecartoonsplus.com/
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6/22/2008
1
Biogeochemistry of WetlandsS i d A li tiS i d A li ti
Institute of Food and Agricultural Sciences (IFAS)
Science and ApplicationsScience and Applications
Wetland Biogeochemistry LaboratoryS il d W t S i D t t
c, Epifluorescence micrograph after hybridization with the general bacterial probe EUBmix (blue), the specific bacterial probe DBACT-193 (red) and the specific archaeal probe DARCH-872 (green). The bacterial partner is pink, as it hybridizes with both the general and specific bacterial probes. d, Epifluorescence micrograph after hybridization with the general archaeal probe ARCH915 (blue), the specific archaeal probe DARCH-872 (red) and the general bacterial probe EUBmix (green). The archaeal partner is pink because it hybridizes with both the general and specific archaeal probes. Scale bars, 5 m. See Methods for specification of probes.
Raghoebarsing et al. 2006. Nature 440, 918-921
• Monitored groundwater Nitrate in wells near drainage ditches
Mutual dependency of one cycle on another (feedbackscycle on another (feedbacks and controls) or one organism on another (microbes, algae, and vegetation)Linkages between biogeochemical processes and biotic communities (vegetation,
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( galgae, and microbes)Cycles at different scales (molecular to landscape)
Biogeochemical Biogeochemical GradientsGradients
Hydrologic gradientsy g gClimate gradientsNutrient gradientsBiotic community gradientsSpatial gradients