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Questions and Answers
What are some examples of anions and cations found in standing water?
What are some examples of anions and cations found in standing water?
Anions: CO32- and HCO3-; Cations: Ca2+, Mg2+, Na+
What are some characteristics of standing water lakes that have a major influence on terrestrial life?
What are some characteristics of standing water lakes that have a major influence on terrestrial life?
Often young (post glacial), small size with enhanced impact of terrestrial and sediment input, higher productivity and sediment accumulation than in the marine habitat
What are some different types of lakes mentioned in the text?
What are some different types of lakes mentioned in the text?
Natural, volcanic, glacial, anthropogenic, fluvial, dams, mining lakes; Small size (< 5 ha), mid size & large (> 5 ha); Stratified, non-stratified, stone pits
What are the major lakes of the world mentioned in the text and their respective characteristics?
What are the major lakes of the world mentioned in the text and their respective characteristics?
What factors influence the formation of gradients and different mixing patterns in lakes?
What factors influence the formation of gradients and different mixing patterns in lakes?
What are the major lakes of the world mentioned in the text and their respective characteristics?
What are the major lakes of the world mentioned in the text and their respective characteristics?
What are some characteristics of standing water lakes that have a major influence on terrestrial life?
What are some characteristics of standing water lakes that have a major influence on terrestrial life?
What are some examples of anions and cations found in standing water?
What are some examples of anions and cations found in standing water?
What are some different types of lakes mentioned in the text?
What are some different types of lakes mentioned in the text?
What factors influence the formation of gradients and different mixing patterns in lakes?
What factors influence the formation of gradients and different mixing patterns in lakes?
Flashcards
Anions and Cations in Water
Anions and Cations in Water
Negatively charged ions (e.g., CO32-, HCO3-) and positively charged ions (e.g., Ca2+, Mg2+, Na+) found in standing water.
Standing Water Lake Traits
Standing Water Lake Traits
Standing water lakes are often young, relatively small, have high productivity and sediment accumulation, and are influenced by terrestrial input.
Types of Lakes
Types of Lakes
Natural, volcanic, glacial, anthropogenic, fluvial, dams, mining lakes, stratified, and non-stratified lakes.
Major Lakes
Major Lakes
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Lake Gradients
Lake Gradients
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Standing Water Lake Biogeochemistry
Standing Water Lake Biogeochemistry
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Study Notes
Microbial Ecology: Limnic Habitats
- Limnology is the study of freshwater environments, comprising biology, chemistry, and physics.
- Freshwater habitats can be classified into two categories: standing water (lakes, ponds, swamps, highmoors) and flowing water (springs, ditches, rivers).
Distribution of Water on Earth
- The total amount of water on Earth is approximately 1,386,000,000 km3.
- This water is distributed into three main categories:
- Large sphere: all water, including oceans, ice caps, lakes, rivers, groundwater, atmospheric water, and water in living cells.
- Middle sphere: liquid freshwater, comprising 99% groundwater, lakes, swamp water, and rivers.
- Small sphere: water in lakes and rivers, with a total volume of 93,113 km3 and a diameter of 56.2 km.
Characteristics of Limnic Habitats
- Limnic habitats cover about 2% of the Earth's surface.
- They are generally less deep and have less volume than the ocean.
- These habitats are not connected to each other and exhibit higher diversity in physical, chemical, and biological parameters.
- Inland waters have a low salt content, with an exception of some mineral springs, with a salinity of less than 0.05% compared to the ocean's 3%.
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