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LIMNOLOGY

Soil & Water Conservation Society of Metro Halifax (SWCSMH)

November 25, 2007      

Chemical vs Biological monitoring in limnology

Contents:

• Introduction
• Theoretical/Applied Limnology
  • A Treatise on Eutrophication
    • Organization for Economic Co-Operation and Development- OECD research
    • Trophic guidelines of the CCME (Canadian Council of Ministers of the Environment), and the indicator thresholds for anthropogenic stressors in Nova Scotia

  • Parameters and stats
  • Typology of (northern) lakes based on metabolic balance and ecosystem stoichiometry
  • Shallow Lakes
  • Paleolimnology
  • Select references in limnology
  • Climate Change

    —click on USEPA's Kids Page
    

  • Plankton
    • Phytoplankton of freshwaters
    • Zooplankton of freshwaters

  • Aquatic plants

• Freshwater Benthic Ecology and Aquatic Entomology Homepage
• Select stressors/pollutants- Acid Deposition; Endocrine Disruptors; Silt; Mercury; Road Salts; and others

Introduction

Limnology is a discipline that concerns the study of in-land waters (both saline and fresh), specifically lakes, ponds and rivers (both natural and manmade), including their biological, physical, chemical, and hydrological aspects.

François-Alphonse Forel (1841-1912) established the field with his studies of Lake Geneva. Limnology traditionally is closely related to hydrobiology, which is concerned with the application of the principles and methods of physics, chemistry, geology, and geography to ecological problems.

Seiche and tsunamis!

Theoretical/Applied Limnology

• A Treatise on Eutrophication (cf. Report# XVI)
• Experimental Lakes Area (ELA)- Freshwater Institute, Manitoba; The Pioneers
• Shallow Lakes
• Saline lakes
• Freshwater Benthic Ecology and Aquatic Entomology Homepage
• Rivers- the cradle of civilization!
• Paleolimnology
• Lake Water Residence Times
  • Select References in Limnology
  • Limnological terms, definitions, acronyms and concepts
  • Our sampling protocols

Climate Change

• Eutrophication of Lakes, Effects of Global Warming, Acid Deposition and UV-B penetration (also cf. Report# XVI)
• Climate Change
• USEPA-Climate Change: Impacts - Water Resources

Plankton

• Plankton definitions

• Phytoplankton of freshwaters

  • Michael R. Martin's Phytoplankton Image Library
  • Phycological Society of America
  • Diatom Home Page
  • Shellfish closures
    • Red tides
    • Amnesiac shellfish poisoning

• Blue-Green Algae (Cyanobacteria)
  • Cyanosite
  • Prof. Wayne W. Carmichael PhD of the Wright State University, Ohio, and the world's numero uno expert in cyanobacterial toxins

• The Zooplankton of freshwaters
  • Freshwater Benthic Ecology and Aquatic Entomology Homepage

Aquatic plants

• Duckweed

   Click on the picture to take you to an excellent site of John W. Cross PhD —

  "Duckweed refers to species of free-floating, stemless aquatic plants touted for their uses in waste treatment, animal feed and pharmaceuticals. Known by botanists under the family of Lemnaceae, duckweed is believed to be both the world's smallest-flowering and fastest-growing plant. It grows 20 times faster than corn, doubling in size within a few days through a natural cloning method. It can tangle the lines of recreational fishermen casting near duckweed along still, freshwater areas where the plants thrive. Duckweed can be used to cleanse wastewater, reducing nitrogen and phosphorous in human waste. Duckweed produces more protein on average than soybeans. It can also be used to feed exotic fish being raised for aquaculture."
  

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