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74 Cards in this Set
- Front
- Back
Biogeochemical
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The cycling chemical elements and compounds between living and nonliving parts of an ecosystem.
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Nitrification
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Ammonium salts to Nitrites and then to nitrates
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Denitrification
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The loss or removal of nitrogen compounds usually into the air
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Nitrogen Fixation
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The conversion of atmospheric nitrogen into a combined form
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Nitrate
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A fertilizing compound - NO3
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Nitrite
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a salt or ester of nitrous acid - NO2
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Ammonia
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A colorless gas or liquid (toxic) - NH4
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Amine
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Basic organic compound from NH4 (-NH3)
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Protoplasm
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Decomposition products release NH4
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Leaching
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Causes Eutrophication by putting Nitrates and Nitrites into the water.
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Sedimentary rock
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Ground water leaches from this.
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Limestone
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Ground water leaches from this.
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Igneous Rock
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Ground water leaches from this.
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/Rhizobium/
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A terrestrial bacteria that fixes Nitrogen
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/Azotobacter/
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An aquatic bacteria that fixes Nitrogen
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/Clostridium/
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...
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/Anabaena/
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A blue-green algea that fixes Nitrogen
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/Nitrosomonas/
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Ammonia oxidizing bacteria
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/Nitrobacter/
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Ammonium removal, oxidation of nitrite ions.
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Heterocyst
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Specialized nitrogen-fixing cells formed during nitrogen starvation in cyanobacteria
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Heterotrophic bacteria
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Use carbon-containing compounds
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Deamination
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Removal of an amine group
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Anaerobic
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Without oxygen
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Aerobic
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with oxygen
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William M. Lewis
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Noted NO3 is limiting in Tropic lakes
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Plankton
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?
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Plankter
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Phytoplankton
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Zooplankton
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?
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Meiofauna
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?
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Bacterioplankton
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?
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Hensen
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?
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Prokaryote
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Cyclomorphosis
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Endemism
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?
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Endemic
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Native to certain area
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Cosmopolitan
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World-Wide
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Spore
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?
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Ephippia, sing, ephippium
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Trophic
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?
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Brooks and Dodson, 1974
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Cyanobacteria
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Blue-green algea
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Cyanophyceae
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/Daphnia/
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/Bosmina longirostris/
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?
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Mixotrophic
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?
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Diatom
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Secondary compound
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Periphyton
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?
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Epilithic
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Epiphytic
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Epipelic
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?
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Net plankton
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Nanoplankton
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Microplankton
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?
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Picoplankton
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?
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Epizoic
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?
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Epipsammic
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Psammon
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Ametabolous
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Hemimetabolous
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Holometabolous
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Nymph
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Larva
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Top - down control
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Bottom - up control
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Chondrichthyes
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Osteichthyes
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Teleost
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Anoxia, anoxic
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Fossil water
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Peacock Bass
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?
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Nile Perch
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?
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