Cvijeta Biščević

<p>
 I’ve only just started out testing my Foldscope and these are my first shots of trying to get down with the compost crew from my kitchen composting bucket. I’m interested in soil biology, or rather compost food web diversity for producing quality compost tea. It’s very exciting to actually be able to asses the diversity of microbes in a compost batch! Since compost quality is critical for regenerating degraded soils and making quality aerated compost teas, assessing the samples is important, and Foldscope will allow me to do just that! 🙂
</p>
<p>
 The samples I tested so far are from my kitchen composting bucket. This is where I compost  home bio-waste; everything left over from food preparation (so just ‘raw’ biological waste), tea, coffee, plant residuals, egg shells, old spices, hair from brushing, etc.. – the green component – and stuff like toilet rolls, ear cleaning sticks made from paper and cotton, cotton swabs, sawdust, leaves, cardboard, etc…  To get the batch started, I do collect a bit of forest soil and litter as all the decomposers for jump starting the process of biological food processing are presumably there 🙂  Sometimes I add IMO 1 (using this method: https://www.ctahr.hawaii.edu/oc/freepubs/pdf/bio-9.pdf) to add diversity. But most of the time I just use older compost to start a new batch. So, I do expect to find the general populations of the soil food web found in my temperate climate deciduous forest ecosystem in my compost.
</p>
<p style="background-color: transparent">
 I’m interested in who I’ll be able to find in this type of composting method (this is the principle: https://youtu.be/t_1HL9H1cnA), and then compare the microbial populations I find in a thermal compost batch (Dr. Elaine Ingham recipes), and the Johnson-SU Bioreactor.
</p>
<p style="background-color: transparent">
 Ok, so here’s my first try and some of the guys I encountered in one sample of the kitchen composting bucket:
</p>
<ul>
 <li>
  A springtail (Collembola)
 </li>
</ul>
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<ul>
 <li>
  Mite (Acarina; not sure which type – is it a predatory mite or a fungal feeder or …?).
 </li>
</ul>
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<p>
 <img alt="IMG_4313" class="alignnone size-full wp-image-115910 gcloudimg" data-attachment-id="115910" data-comments-opened="1" data-image-meta='{"aperture":"4.5","credit":"","camera":"Canon IXUS 105","caption":"","created_timestamp":"1546027558","copyright":"","focal_length":"12.785","iso":"400","shutter_speed":"0.033333333333333","title":"","orientation":"1"}' data-image-title="IMG_4313" data-recalc-dims="1" height="750" src="https://storage.googleapis.com/microcosmosdelta.appspot.com/images/transfer_115888/IMG_4313.jpg" width="1000"/>
</p>
<ul>
 <li>
  Another springtail.
 </li>
</ul>
<p>
 <img alt="IMG_3570" class="alignnone size-full wp-image-115905 gcloudimg" data-attachment-id="115905" data-comments-opened="1" data-image-meta='{"aperture":"2.2","credit":"","camera":"iPhone 5s","caption":"","created_timestamp":"1546886078","copyright":"","focal_length":"4.15","iso":"40","shutter_speed":"0.058823529411765","title":"","orientation":"3"}' data-image-title="IMG_3570" data-recalc-dims="1" height="750" src="https://storage.googleapis.com/microcosmosdelta.appspot.com/images/transfer_115888/IMG_3570.jpg" width="1000"/>
</p>
<ul>
 <li style="background-color: transparent">
  Not sure if this is an egg of a mite that has already hatched? Next to it is a fungal hyphae and something I can’t identify 🙂
 </li>
</ul>
<p>
 <img alt="IMG_3574" class="alignnone size-full wp-image-115908 gcloudimg" data-attachment-id="115908" data-comments-opened="1" data-image-meta='{"aperture":"2.2","credit":"","camera":"iPhone 5s","caption":"","created_timestamp":"1546886153","copyright":"","focal_length":"4.15","iso":"40","shutter_speed":"0.058823529411765","title":"","orientation":"3"}' data-image-title="IMG_3574" data-recalc-dims="1" height="750" src="https://storage.googleapis.com/microcosmosdelta.appspot.com/images/transfer_115888/IMG_3574.jpg" width="1000"/>
</p>
<p>
 <img alt="IMG_3571" class="alignnone size-full wp-image-115906 gcloudimg" data-attachment-id="115906" data-comments-opened="1" data-image-meta='{"aperture":"2.2","credit":"","camera":"iPhone 5s","caption":"","created_timestamp":"1546886090","copyright":"","focal_length":"4.15","iso":"40","shutter_speed":"0.058823529411765","title":"","orientation":"3"}' data-image-title="IMG_3571" data-recalc-dims="1" height="750" src="https://storage.googleapis.com/microcosmosdelta.appspot.com/images/transfer_115888/IMG_3571.jpg" width="1000"/>
 <img alt="IMG_3572" class="alignnone size-full wp-image-115907 gcloudimg" data-attachment-id="115907" data-comments-opened="1" data-image-meta='{"aperture":"2.2","credit":"","camera":"iPhone 5s","caption":"","created_timestamp":"1546886104","copyright":"","focal_length":"4.15","iso":"40","shutter_speed":"0.058823529411765","title":"","orientation":"3"}' data-image-title="IMG_3572" data-recalc-dims="1" height="750" src="https://storage.googleapis.com/microcosmosdelta.appspot.com/images/transfer_115888/IMG_3572.jpg" width="1000"/>
 <img alt="IMG_3575" class="alignnone size-full wp-image-115909 gcloudimg" data-attachment-id="115909" data-comments-opened="1" data-image-meta='{"aperture":"2.2","credit":"","camera":"iPhone 5s","caption":"","created_timestamp":"1546886164","copyright":"","focal_length":"4.15","iso":"40","shutter_speed":"0.058823529411765","title":"","orientation":"3"}' data-image-title="IMG_3575" data-recalc-dims="1" height="750" src="https://storage.googleapis.com/microcosmosdelta.appspot.com/images/transfer_115888/IMG_3575.jpg" width="1000"/>
</p>
<ul>
 <li style="background-color: transparent">
  A nematode, presumably from Rhabditidae family because of the tail? The oval shaped bubble next to it’s head could also be some organism, but the resolution isn’t good enough to identify.
 </li>
</ul>
<p>
 <img alt="IMG_3454" class="alignnone size-full wp-image-115911 gcloudimg" data-attachment-id="115911" data-comments-opened="1" data-image-meta='{"aperture":"2.2","credit":"","camera":"iPhone 5s","caption":"","created_timestamp":"1546868230","copyright":"","focal_length":"4.15","iso":"32","shutter_speed":"0.0014619883040936","title":"","orientation":"3"}' data-image-title="IMG_3454" data-recalc-dims="1" height="750" src="https://storage.googleapis.com/microcosmosdelta.appspot.com/images/transfer_115888/IMG_3454.jpg" width="1000"/>
</p>
<p>
 <img alt="IMG_3455" class="alignnone size-full wp-image-115912 gcloudimg" data-attachment-id="115912" data-comments-opened="1" data-image-meta='{"aperture":"2.2","credit":"","camera":"iPhone 5s","caption":"","created_timestamp":"1546868246","copyright":"","focal_length":"4.15","iso":"32","shutter_speed":"0.0014619883040936","title":"","orientation":"3"}' data-image-title="IMG_3455" data-recalc-dims="1" height="750" src="https://storage.googleapis.com/microcosmosdelta.appspot.com/images/transfer_115888/IMG_3455.jpg" width="1000"/>
</p>
<ul>
 <li>
  Another nematode..
 </li>
</ul>
<p>
 <img alt="IMG_3477.JPG" class="alignnone size-full wp-image-115914 gcloudimg" data-attachment-id="115914" data-comments-opened="1" data-image-meta='{"aperture":"2.2","credit":"","camera":"iPhone 5s","caption":"","created_timestamp":"1546869881","copyright":"","focal_length":"4.15","iso":"32","shutter_speed":"0.0022421524663677","title":"","orientation":"3"}' data-image-title="IMG_3477" data-recalc-dims="1" height="750" src="https://storage.googleapis.com/microcosmosdelta.appspot.com/images/transfer_115888/IMG_3477.jpg" width="1000"/>
</p>
<ul>
 <li>
  Some kind of a hatched egg? 🙂
 </li>
</ul>
<p>
 <img alt="IMG_3503.JPG" class="alignnone size-full wp-image-115915 gcloudimg" data-attachment-id="115915" data-comments-opened="1" data-image-meta='{"aperture":"2.2","credit":"","camera":"iPhone 5s","caption":"","created_timestamp":"1546873059","copyright":"","focal_length":"4.15","iso":"50","shutter_speed":"0.058823529411765","title":"","orientation":"3"}' data-image-title="IMG_3503" data-recalc-dims="1" height="750" src="https://storage.googleapis.com/microcosmosdelta.appspot.com/images/transfer_115888/IMG_3503.jpg" width="1000"/>
</p>
<ul>
 <li>
  A bit of micro-plastic.
 </li>
</ul>
<p>
 <img alt="IMG_3517.JPG" class="alignnone size-full wp-image-115917 gcloudimg" data-attachment-id="115917" data-comments-opened="1" data-image-meta='{"aperture":"2.2","credit":"","camera":"iPhone 5s","caption":"","created_timestamp":"1546874051","copyright":"","focal_length":"4.15","iso":"50","shutter_speed":"0.05","title":"","orientation":"3"}' data-image-title="IMG_3517" data-recalc-dims="1" height="750" src="https://storage.googleapis.com/microcosmosdelta.appspot.com/images/transfer_115888/IMG_3517.jpg" width="1000"/>
</p>
<ul>
 <li>
  Sawdust and a fungal hyphae + sawdust and bacteria grazing on it…
 </li>
</ul>
<p>
 <img alt="IMG_3525" class="alignnone size-full wp-image-115918 gcloudimg" data-attachment-id="115918" data-comments-opened="1" data-image-meta='{"aperture":"2.2","credit":"","camera":"iPhone 5s","caption":"","created_timestamp":"1546882334","copyright":"","focal_length":"4.15","iso":"40","shutter_speed":"0.058823529411765","title":"","orientation":"3"}' data-image-title="IMG_3525" data-recalc-dims="1" height="750" src="https://storage.googleapis.com/microcosmosdelta.appspot.com/images/transfer_115888/IMG_3525.jpg" width="1000"/>
</p>
<p>
 <img alt="IMG_3527" class="alignnone size-full wp-image-115920 gcloudimg" data-attachment-id="115920" data-comments-opened="1" data-image-meta='{"aperture":"2.2","credit":"","camera":"iPhone 5s","caption":"","created_timestamp":"1546882381","copyright":"","focal_length":"4.15","iso":"40","shutter_speed":"0.05","title":"","orientation":"3"}' data-image-title="IMG_3527" data-recalc-dims="1" height="750" src="https://storage.googleapis.com/microcosmosdelta.appspot.com/images/transfer_115888/IMG_3527.jpg" width="1000"/>
</p>
<ul>
 <li style="background-color: transparent">
  Hyphae, and some organic matter
 </li>
</ul>
<p>
 <img alt="IMG_3540.JPG" class="alignnone size-full wp-image-115924 gcloudimg" data-attachment-id="115924" data-comments-opened="1" data-image-meta='{"aperture":"2.2","credit":"","camera":"iPhone 5s","caption":"","created_timestamp":"1546884320","copyright":"","focal_length":"4.15","iso":"32","shutter_speed":"0.058823529411765","title":"","orientation":"3"}' data-image-title="IMG_3540" data-recalc-dims="1" height="750" src="https://storage.googleapis.com/microcosmosdelta.appspot.com/images/transfer_115888/IMG_3540.jpg" width="1000"/>
</p>
<p style="background-color: transparent">
 There was a lot more bacterial agglomerations and organic matter and different types of hyphae, but not all the pictures turned out good. Have to practice using the Foldscope…
</p>
<p style="background-color: transparent">
 Anyway, could use help in better identification if possible, so if you have any ideas, please comment 🙂
</p>


Cvijeta Biščević

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Foldscope Lens Magnification