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#nature desktop backgrounds
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wallpapedits-vvc · 2 months
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Detalis of pics I've taken 👁️👁️ pt. 11
and their version for desktop :) pt. 2
Like/reblog/comment if you save ✨
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anamateurnaturalist · 5 months
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Our Microbial Ecology professor is offering us extra credit if we can find three different kinds of lichen. My lab partners were unsure where to find lichens but the answer is simple, everywhere! The slightly more complicated answer is that they grow in the places that other plants and fungus can't grow, with rocks and tree bark being the most common. I was able to find all of these, in my own yard in about 10 minutes.
There was a colony like this one growing on the foundation of our house but I didn't want to disturb it so I was glad when I found this lovely specimen on a rock in our landscaping.
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This was also on the same rock, it isn't a great picture but you can see the little rhizones that are used to attach themselves to the rock.
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The reason lichens can grown on rocks and other inhospitable surfaces is because they are actually a symbiosis of two different organisms and there partnership is what makes it possible. Each lichen consists of mycobiont, a fungus, and a photobiont which is either an algae or a cyanobacteria. (a cyanobacteria is a kind of bacteria that can do photosynthesis.) The photobiont can produce energy through photosynthesis and the mycobiont can break down the substrate (yes, even rock) in order to get other nutrients that lichen needs to survive.
In fact here's another lichen I found on a rock in our landscaping. If you click on it to see the full sized image you can actually see the little grains of sand from the lichen breaking down the rock.
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Keep in mind that this picture was taken at high magnification, to give you an idea of scale, here's the same lichen (or at least a very similar one) growing on a cement window sill at my kids school.
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You can see how it might be overlooked as just some discoloration. If you've ever at an old cemetery, you'll see that a lot of the oldest headstones are pretty much completely yellow or orange, that's lichens.
This one was growing on a dead stick that had fallen off our apple tree. The round things are the apothecia, the reproductive structure of the fungal symbiont, that's why they often look like tiny mushrooms.
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It can be very difficult to identify lichens to species because even lichens with different symbiotes can look very similar. If you were to disregard the apothecia, the one above looks a lot like the first lichen but the fact that they are on different substrates is evidence that they are different kinds. They aren't even the same growth form the first one is lobed and this one is foliose. I do own the keys to identify them, but I have yet to actually attempt to.
Lichen are also very particular about their habitat. The population on the apple tree (left) is very different from the population on the Cottonwood tree. (right)
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Disclaimer: all of these lichens are very common in this area and were either on loose rocks in our landscaping, bark that was already peeling off the tree or on dead branches. You should never collect lichens if you aren't confidant that they are well populated and it's best not to damage their substrate to collect them
Disclaimer 2: I am not a lichen expert by any means, the information here is correct to the best of my knowledge.
If you're interested, I have turned some of these pictures into desktop backgrounds, they can be found here:
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gabruwallpapers · 2 months
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Step into a world of wonder: a magical forest, alive with colorful flowers and lush trees, all aglow under the moon's gentle light.
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Phone Wallpapers to remind you of your limitlessness whenever you check the time
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thirteen-31 · 2 months
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bathiya1985-blog · 3 months
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Lexica
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redrobinhoods · 1 year
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Been drawing some Star Wars again recently, have a Mortis-vision inspired Ahsoka.
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peachyslothart · 10 months
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I am switching my focus on making some digital downloadable items for my shop, first up is this relaxing wallpaper set for your desktop, ipad, and phone.
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wamsiedesign · 2 years
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Colorful beach sunset background . Check out more of these stunning colorful beach sunset backgrounds by clicking the link below 👇
* like or reblog if you save💕
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gloztik · 2 months
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Nature mountain 5k desktop wallpaper cloudy background
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This wallpaper is about Nature 5k desktop wallpaper, cloudy background, nature Mountain valley, green valley. This image size is 3613119 kb and resolution is 6885×4534.
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fruitiermetrostation · 6 months
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wallpapedits-vvc · 2 months
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Detalis of pics I've taken 👁️👁️ pt. 9
and their version for desktop :) pt. 1
I'm coming back, thanks for waiting <3
Like/reblog/comment if you save ✨
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sarahlau · 4 months
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A little beetle in the sunset, 2023
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gabruwallpapers · 2 months
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Erupting Volcano Under Dramatic Sunset Sky...
A majestic volcano erupts with lava flowing and ash plume under an intense sunset, depicting nature's raw power.
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miedema-with-a-camera · 6 months
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My photos make some beautiful wallpapers!
CA$5 per license to use as wallpapers on your devices; CA$30 per license for use as wallpapers, prints, or on social media. I offer tiered discounts for bulk orders!
See the rest of my gallery for more images or check out my purchasing page for more info on prices and discounts 😊
Thank you for perusing 🫶
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