Term
| Net growth rate (microzooplankton) |
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Definition
| (k-g) = 1/t *ln(Nt/No), k = growth rate, g = grazing rate, t= time, N = chl values |
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Term
| Measuring Chl a measures.. |
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Definition
| biomass/ standing stock, not Primary production |
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Term
| Assumptions of net growth for microzooplankton |
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Definition
| 1) growth rate is density independent 2) grazing is a linear fcn of prey abundance 3)grazer populations do not grow during incubation |
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Term
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Definition
| Proteins that catalyze reactions |
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Term
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Definition
E+S* <> ES* > E + P + *
E = enzyme, s = substrate, *=labeled tag, P = phosphorus. * fluoresces when broken from S. |
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Term
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Definition
| Transparent Exopolymer Particles - negatively charged polysaccharides, precursor of marine snow, does not sink. |
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Term
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Definition
| clumps of DOM, visible by naked eye, good substrate for bacterial growth, sinking carbon flux |
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Term
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Definition
| Used to stain TEP to view under microscope |
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Term
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Definition
| Conductivity/Temperature/Depth sensor, also has fluorometer, transmissometer(turbidity), and dissolved O2 sensor |
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Term
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Definition
| Changes color based on oxygen levels |
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Term
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Definition
| Determines oxygen by oxidizing manganese, which is then precipitated, acidified to create triiodide, which is measured by titration. |
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Term
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Definition
| Detects dissolved oxygen using electrolytic cell, gold cathode, silver anode, permeable membrane |
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Term
| % air saturation (oxygen) |
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Definition
| partial pressure of oxygen in liquid - changes with temp based on solubility |
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Term
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Definition
| Chlorophyll A, present in all photosynthetic organisms |
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Term
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Definition
| found in green algae (chlorophytes, prochlorophytes) |
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Term
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Definition
| found in high concentration diatoms |
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Term
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Definition
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Term
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Definition
| measures the absorbance or transmittance of light at a specific wavelength |
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Term
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Definition
| measures the fluorescence, light re-emitted by pigments |
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Term
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Definition
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Term
| Epifluorescence microscope |
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Definition
| View stained organisms where under a given wavelength, the stain re-emits a characteristic wavelength |
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Term
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Definition
| handheld device that measures temp, dissolved O2, conductivity, and salinity |
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Term
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Definition
| Stains double stranded DNA for viruses |
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Term
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Definition
| binds to DNA to enumerate bacteria |
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Term
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Definition
| measures 2 independent parametric groups |
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Term
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Definition
| difference between 2 related groups |
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Term
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Definition
| difference among more than 2 independent groups |
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Term
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Definition
| difference among more than 2 related groups |
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Term
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Definition
| relation of one variable to another (often linear) |
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Term
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Definition
| compare regression lines (slopes and intercepts) for same x, different y groups |
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Term
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Definition
nominal - classification variables
ordinal - rank scale |
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Term
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Definition
interval - not universal meaning
ratio - most information content |
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Term
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Definition
| how close we are to the correct value |
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Term
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Definition
| how close our guesses are to each other |
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Term
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Definition
| There is no difference (in means, in slopes, in values, etc...) |
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Term
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Definition
| Null hypothesis is not true, there is a difference. Specify by difference in which direction, or difference by how much. |
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Term
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Definition
| Reject null hypothesis when it is true, see a pattern when there is none |
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Term
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Definition
| Accept null hypothesis when it is false, miss the pattern that is there. |
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Term
| Parametric test assumptions |
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Definition
1. Independent Data
2. Residuals are normal
3. Residuals are not correlated with model
4. Residuals are not correlated with any explanatory variables
5. No heteroscedasticity in residuals (trumpet pattern) |
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