Search results for query: Radial Oxygen Loss

...emergent plant">. This would have the dual benefits of Diana Walstad's <"Aerial Advantage"> and oxygenating the substrate (via <"Radial Oxygen Loss">). The problem was just that a rooted emergent plant, like a <"Cyperus"> or <"Nelumbo"> spp., isn't suitable for every tank, while every tank...

Why a rooted emergent plant would have been optimal. In the last section I mentioned <"atmospheric gases">, and while CO2 was the focus, all aerobic organisms require oxygen (O2) and I'll say a bit more about oxygen now. It will only be "a bit", because this is a huge subject area and requires...

Hi all, I agree with @_Maq_ , we just don't know what is happening in the substrate, other than as that substrate matures, and the plant roots ramify through it, it is going to provide a <"huge range of different environments">. Dr Stephen Tanner's article is well worth a read <"Aquarium...

...it is <"much more efficient at nitrification"> than <"microbe only"> nitrification. This is definitely one of the reasons why, <"radial oxygen loss"> from plant roots (TS section through stem of Cyperus sp., oxygen is permeating through the lacunae and aerenchyma during photosynthesis, and...

...developed for <"commercial hydroponics">. Plants are very effective at manipulating the rhizosphere to make nutrients available (or unavailable where toxicity may be an issue), so I rather have <"good root growth"> with the microbial community "managed" with radial oxygen loss etc. cheers...

Hi all, I just use silica sand, usually <"play sand">. I mix a minimal amount of clay and leaf mold in, but if I <"don't have any to hand?"> I don't worry too much. I want a low nutrient substrate, because I want to <"run the tanks as lean as possible">. Once the tank is setup I don't tend to...

Hi all, Same as @Simon Cole for me. <"and again">. cheers Darrel

...of redox potential around the sediment–water interface in lakes"> it mentions that their experimental plants didn't have much radial oxygen loss. I'd guess that if they had used Cyperus spp, <"Phragmites australis">, Nelumbo sp. or an <"Amazon Sword"> (Echinodorus spp) etc. that their...

...find much specifically for Nelumbo, the plant with the <"spectacular aerenchyma">. <"Environmental factors regulating the radial oxygen loss from roots of Myriophyllum spicatum and Potamogeton crispus"> is a paper about <"Root (radial) oxygen loss"> and it says that when the water column is...

...are very efficient at <"moving oxygen internally">. She talks about this from about 10:30 in the SAPS video. If you search for <"Radial Oxygen Loss"> it will give you some references. Originally the experiment was done using the inverted funnel method, so I guess that was the original...

...for <"microbial "flocs" to form">. This is one of the reasons that a planted tank, with a substrate, enhances nitrification. <"Radial Oxygen Loss">, from the roots in the rhizosphere <"greatly increases the area for nitrification">. Could be. It might also be to do with the initial ammonia...

...is quickly oxidised to harmless sulphates in the presence of oxygen. However, plant roots will oxygenate the rhizosphere through radial oxygen loss, ROL. The key with deep sediment is to plant densely from the outset and to have a well oxygenated water column. Deep sediment might also allow...

...so I can often remember threads and sometimes <"the protagonists">. I can find a lot of my posts, relying on unique terms <"Radial oxygen Loss">, <"Plumbosolvency">, <"Groat"> , <"One Legged Irishman"> etc. but that doesn't work as well for other peoples posts. If it is a plant ID thread, I...

You remind me of my professors LOL. Good info though! For plants in my tank, will running a 4 air stones off a large air pump hurt anything? The oxygen should help the fish, but would the co2 in the bubbles dissolve into the water, or get exchanged at the surface for oxygen? I don't dose CO2, so...

Hi all, I've got a bit more reading for you I'm afraid. There isn't <"a single answer">, it is a mixture of factors. The plants themselves take up ammonium (NH4+), nitrite (NO2-) and nitrate (NO3-), Any ammonium that doesn't enter <"microbial nitrification"> reduces the <"Biochemical Oxygen...

...a rooted emergent plant like <"Papyrus (Cyperus papyrus)"> one with <"lots of aerenchyma"> ("internal plumbing") and <"extensive radial oxygen loss"> (basically a root that leaks oxygen and carbohydrates into <"the rhizosphere"> (the substrate zone surrounding the root) ). Aerenchyma : by...

...they are continually sloughing off cells from the root tip and leaking from root hairs. There is more discussion of this on the <"Radial Oxygen Loss"> (ROL) posts. You can also see why plants might use less oxygen at night than you might imagine, and it is back to the same spaces. When a...

Hi all, They will to some degree, but it isn't a straight forward case of "30% cover = 30% less oxygen", leaf architecture will matter, as will radial oxygen loss etc. cheers Darrel

...and "interaction" pigeon-holes. As an example as the plant roots radiate through the substrate they will introduce oxygen (via <"Radial Oxygen Loss">) and they will produce exudates to which will alter the nature of the microbial community, it is a <"synergistic process">. I haven't found...

...to water quality for other reasons as well... Macrophytes can change the physicochemical environment of sediments through ROL (Radial Oxygen Loss) and the secretion of organic chemicals which in turn will increase the abundance and diversity of microbial communities and the removal of N...

...grained substrate would be. There are plants that can transport oxygen deep into anaerobic substrates, like Rhizopora, <"Typha and Nelumbo"> etc. The search term we are interested in is <"Radial Oxygen Loss">. This is a <"Nelumbo rhizome">, showing the oxygen transport system. cheers...

...(Fe II) salts and these are much more likely to be plant available. This maybe one reason why aquatic plants have leaky roots ("radial oxygen loss"), the oxygen in the rhizosphere will oxidise ferrous iron and reduce iron toxicity. Iron is like a lot of micro-nutrients, plants need some...

...Wetland Effectively Removes Nitrogen in Swine Wastewater">. The sort of search terms you need (in Google Scholar) are "Radial Oxygen Loss (ROL)", "Constructed Wetlands" and "Rhizosphere". The <"pink tint"> should fade over time. I'd actually use it as an indication of when to add iron...

...to manage then un-planted ones. This is from "Long-distance transport of gases in plants: a perspective on internal aeration and radial oxygen loss from roots". Having said that, the same thought occurred to me as Chris, and I've tried to obtain some California Black-worm (Lumbriculus...