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  1. We are after as many aquarium plant images that we can get, doing so will assist us in completing the aquarium plant database.

    https://barrreport.com/threads/aquatic-plant-images-wanted.14374/
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Articles from Jason King

  1. Ada Aqua Soil™ And Power Sand™ Analysis - Volume 5, Issue 1

    Introduction: Most aquarists only test the water column for nutrients for aquatic planted aquariums. Rarely, (if ever) do we look at testing the other half of the sources of nutrients for root submersed macrophytes, the sedi-ment. This is not surprising as the hobby lacks a reasonably priced, commercially available, hobby test kit/s specifically for sediment analy-sis. By comparing various sediment types, their components from natu-ral systems, and looking at a commercial brand and the same...
  2. ADA Aqua Soil™ and Power Sand™ Analysis - Volume 5, Issue 1

    Introduction Most aquarists only test the water column for nutrients for aquatic planted aquariums. Rarely, (if ever) do we look at testing the other half of the sources of nutrients for root submersed macrophytes, the sedi-ment. This is not surprising as the hobby lacks a reasonably priced, commercially available, hobby test kit/s specifically for sediment analy-sis. By comparing various sediment types, their components from natu-ral systems, and looking at a commercial brand and the same...
  3. An Analysis of Sediments - Volume 3, Issue 6

    Introduction An Analysis of Sediments, Growth and Water Column Nutrient Concentration Breakdown ADA Product Line and other sediments, Part 1. Cosumnes reserve, CA Preface: The next three Barr Reports will be in depth studies and analysis of Aqua Design Amano’s product line and a sediment test using several commercial and collected sediments.
  4. Analysis of Liquid Fertilizers: the ADA Brighty Series™

    Introduction This month’s Barr Report test and measures the concentrations of various nutrients in Aqua Design Amano’s product line. Nutrient concentrations are not reported for the ADA line of fertilizers. By testing the concentration levels for each nutrient, aquarist can design and make nutrient solutions that are similar.
  5. Applying Restoration Ecology to Planted Aquariums - Volume 3, Issue 5

    The use of Restoration or perhaps a better word would be Creation Ecology as concept and perhaps a new paradigm for the planted aquarist has rarely been considered for aquariums. Why might this be useful? Aquarist have particular goals that they hope to achieve and have the ecosystem provide certain services. The consideration of goals is the most debatable issue in this hobby today. This leads to confusion on many levels and the discussion of goals is seldom effectively addressed in books...
  6. Aquatic Fungi: Decomposition of plant biomass - Volume 3, Issue 1 - January 2007

    Is this fish, A adonis considered a “Shredder”? Yes! Wood gnawing plecos increase the rate of decomposition of driftwood by allowing the fungi more access to the cellulose. Some are very suitable for planted tanks, while some in the Panaque genus are less suited when larger. One of the goals of this section is to introduce non pest fungi to the aquarist. Aquatic fungi play important roles in aquatic ecosystems and often are largely ignored by both hobbyists and even Limnologist. Aquatic...
  7. Aquatic Plant Life, Unifying Principles - Volume 1, Issue 1 - January 2005

    Evolution: Theodosius Dobzhansky (1900-1975) said “Nothing in biology makes sense except in light of Evolution.”1 Aquatic macrophytes 2 possess a size and diversity that is truly spectacular in the plant kingdom. Aquatic macrophyte diversity covers roughly 440 genera covering 103 families of embryo bearing plants alone (Cook 1999). Cook suggest that embryo bearing plants have re entered the water at least 222 times and perhaps as much as 271 times in the past evolution of aquatic plants....
  8. Boron and Molybdenum’s Role In Plants - Volume 2, Issue 6 - June 2006

    All vascular plants require boron (represented by “B” on the periodic chemical chart) (Augsten and Eichhorn, 1976; Dugger, 1983; Loomis and Durst, 1992), but this does not necessarily imply that boron is essential for the viability of all suspension-cultured higher plant cells. Some cell may not have the requirement(a fully grown cell for example), while most in general do. The entire plant has a B requirement. Of all known plant micronutrient deficiencies, that of boron is most widespread...
  9. Calcium’s Role in Aquatic Macrophytes - Volume 1, Issue 11 - November 2005

    Calcium is an essential plant nutrient. As the divalent cation (Ca2+), it is required for structural roles in the cell wall and membranes, as a counter-cation for inorganic and organic anions in the vacuole, and as an intracellular messenger in the cytosol (Marschner, 1995). Calcium plays a highly significant role in aquatic macrophyte metabolism (Tamura et al, 2001; Kauss 1987). Typical world wide surface water concentration are around 15 ppm, although some surface waters with Calcium...
  10. Co2/ph/kh Table

    Measure your KH, then see how much you need to reduce the pH to get your target CO2 ppm.
  11. Copper and Zinc’s Role in Aquatic Macrophyte - Volume 2, Issue 5 - May 2006

    Copper has a long history in aquatic management due to its ability to kill algae and aquatic weeds. Zinc has a less prominent history but more research has been in the last several years in roles of each in transport, cycling and their importance. While both are nutrients, higher concentrations they are toxic. Most trace metals fall into this group. Copper is required for mitochondrial electron transport, pathogen defense, cell wall lignification, vitamin C metabolism, ethylene perception,...
  12. Diatoms (Bacillariophyta) and Aquatic Macrophytes - Volume 3, Issue 4

    Introduction Diatoms rarely become nuisances in freshwater planted aquariums or marine planted systems. They are generally present at noxious levels in newly set up aquariums as brown films typically on the glass walls. At very intense light levels (e.g. full sunlight), they may slough off leaves and form a layer on the substrate where current is reduced. Most solutions involved cleaning them off glass and/or adding Otocinculus catfish that appear to relish these algae. Generally the diatom...
  13. Dissolved Inorganic Carbon (DIC) - Volume 1, Issue 4 - April 2005

    Introduction Carbon is required for life on Earth, including life in aquatic ecosystems (Rheinheimer 1992). All living organisms need carbon as a food source. The importance of carbon cycling is that the processes involved form important links between the abiotic (non-living) and biotic (living) components of the aquatic ecosystem (or any ecosystem). This is in large part due to the ability of carbon to form strong bonds to other non-metals such as hydrogen, nitrogen, oxygen, sulfur and the...
  14. Dissolved, Particulate and Microbial Biomass Organic Carbon - Volume 1, Issue 5 - May 2005

    Introduction Callitriches and Cabomba in a fast flowing stream in central California. Summary • Carbon cycled reviewed • What are POC, MBC and DOC? • Can bacteria be organic carbon limited? • Carbon accumulation in the aquarium • Sources and roles of DOC/POC/MBC • Types of Organic matter
  15. Dual Venturi Diy External Co2 Reactor

    This co2 reactor costs about 20$ due to using Clear PVC housing, you can use solid 2" pipe if you wish.
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