Talk:Original environment rehabilitation manual 3.36

Info that needs to be added or made more clear by improving the articles:

where it mentions SCUBA, it is also possible to work with SNUBA or other [1] techniques. I am guessing that SNUBA, ... would allow to decrease costs greatly, aswell as the training required for diving, possibly making it suitable for use in appropriate technology projects

in the article, it is mentioned that sea urchins are a desirable species; I am guessing this is not always so, as sea urchins have already proven to become a pest in some regions

At the timeline, you mention emergency situations and the construction of disaster nurseries. How exactly is this different from a regular timeline with more time ? Shouldn't nurseries be created "all the time", no mather whether a negative event has occured or not ? Also, I don't quite understand how the disaster nursery functions; I am guessing it is used to limit waves/currents, but aren't currents/waves present in regular propogation/coral rescue projects aswell ? So why is it required to reduce them ? Also, it isn't quite clear whether the nursery can be placed at the furthest coral (eg at the entrance of a harbor, or simply the coral the furthest away from the coast) in order to decrease currents, or whether they need to be placed at each individual coral (which would make it a very costly measure).

at the damage assessment, it is noted that side scan or milti-beam sonar can be used to assess the damage. However, is it not better (in appropriate technology projects) that only observation by divers together with eg acquasketches, cameras aswell as a mariners chart is used. This would decrease the cost greatly, and as it is stated that the modules are often required in too high a number in order to be affordable (meaning that any project actually doesn't attain the restoration required, as measured by the sonar) I would think that even this simple method (which would only create a "area of bottom impacted" measurement) is more than aduquate.

At the terminology section, there are a few paragraphs which will need to be moved to the appropriate chapters. Also it isn't quite clear what exactly the function is of the teams of which an image is shown at "Table boss" and the "Wet hands table worker" (are the teams used in propogation, coral rescue or to create the coral plugs ?)

At the plugs entry in the terminology section, it is shown how the plugs are made by placing them in a bucket of cement. However, wouldn't this kill the coral as the side in which the zooxanthellae live gets flooded with cement ? In the image, the entire coral is simply submerged, rather than dipped into the cement with the end.

in the article there is talk of broodstock. Does this term also refer to coral that is being processed (eg in coral nurseries), or only to broken/collected coral (eg as with coral rescue projects?) Do coral nurseries also exist simply in the sea (or in artificial basins) in which the coral is simply left to grow on a large platform ? Nowhere in the document is this mentioned; it appears that the coral is immediatelly placed unto a coral plug, but in this case, the coral does'nt have a chance to grow first, nor would it allow low-cost projects without special modules as reef balls.

In your document, you only speak of materials as concrete. Isn't it also possible to use wood for certain modules ? Aldough it degrades much quicker, I would think that the coral would make enough material to allow it to live on when the wood finally gets destroyed by the salt. Wood has the advantage that it would allow projects at far lesser expense, making it suitable for projects in third world countries (and without too much stakeholders and unnecessairy side-projects as printing t-shirts, ...) I would also like to know whether wood (as it degrades) also fouls the water, or whether the coral grows quickly enough (and uses the nutrients of the wood) so that very little nutrients are actually released into the water, hereby causing no harm (eg fish die too but don't necessairily foul the water)

finally, I saw that milliput is used; is this a biodegradable glue ? Also, I noticed that there are a few components in reef balls which aren't biodegradable, thereby making them less suitable to appropriate technology projects. For example, piping is inserted with each reef ball made from PVC, in order to allow easier anchoring. Also, it is mentioned that reef balls have an "internal bladder". I am not sure whether this internal bladder is made from plastics, nor whether it is removable after the reef ball has been anchored.

in the document, there is also allot of information added about the protective void space, however in the document, it is also mentioned that as a great variety is required the modules aren't designed to maximise this protective void space, making most of the theory arount this redundant. Perhaps that this information could be removed and eg placed at Wikipedia instead.

when categorising the corals, the doment uses both a categorisation on "handling styles" aswell as another method. I am not sure which of the two is best used (depending on the chapters)

it is also a bit unclear on what tools (eg wire cutters, ...) are used in each individual operation (eg propogation or coral recue).

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