Intro Flashcards
Approx. ____ percent of Earth’s surface is covered in water
____ percent is freshwater
71
three
At 2.14% what is the largest source of freshwater?
At 0.61% what is the second largest source of freshwater.
What is the rarest commodity?
Ice caps and glaciers
Groundwater to 4000 m depth
Groundwater
Order of amount of water:
Oceans
Ice caps and glaciers
Groundwater to 4000 m depth
Freshwater lakes
Saline lakes and inland seas
Shallow and deep soil water
Atmosphere
Rivers
____ the study of marine species that live in the ocean and other salt-water environments
_____ The study of life and _____ in bodies of Freshwater
Marine biology
Freshwater Biology
Ecologic systems
_____ The study of inland waters and the Physical & chemical processes and effects on organisms inhabiting them
Limnology
Inland waters and freshwater systems (5)
Flowing water
Standing water
Estuaries
Wetlands
Groundwater
Flowing water _____
Standing water _____
Flowing water : lotic
Standing water: lentic
_____ rivers or other fresh water sources that meet the ocean
What is the concentration of salt in the ocean?
Estuaries
35 g salt per litre
categories of water based on salinity:
Fresh water
Slightly saline water
Moderately saline water
Highly saline water
Concentration of salt in ocean water in ppm ____
Fresh water - less than 1000 ppm
Slightly saline water - 1000 ppm to 3000 ppm
Moderately saline water - 3000 ppm to 10000 ppm
Highly saline water - 10000 ppm to 35000 ppm
Concentration of salt in ocean water in ppm
Categories of organisms based on environmental conditions gradient (3)
Sensitives
Tolerants
Resistants
Limnology today:
Advancement of the science (3)
Applied aspects (3)
Advancement of the science:
Physical
Chemical
Biological attributes
Applied aspects:
Preservation
Enhancement
Management of aquatic ecosystems
Limnology today:
A science of many directions (5)
Long-term data sets
Integration of lab & field research
Whole-lake manipulation
Comparative limnology
Wetlands management (legal layering & implications)
____ a land area that is saturated with water either permanently or seasonally
it is primarly made up of ____ that supports aquatic plants
Wetland
Hydric soil
Kinds of water in wetlands (3)
Major kinds of wetlands (4)
Kinds of water in wetlands (3)
Saltwater
Freshwater
Brackish
Major kinds of wetlands (4)
Swamps
Marshes
Bogs
Fens
Wetland project organization
Wetlands International Philippines Program