View allAll Photos Tagged Substrate
Ramli, ethymologically on sand, are agricultural practices that consist of growing crops on sandy substrates. These very singular gardens were created in the 17th century by the Andalusian diaspora to cope with the lack of cultivable land and fresh water.
The ingenious and, no doubt, unique practices are based on a passive irrigation system where the roots of the plants are fed in all seasons by the rainwater stored and floating on the surface of the sea water through the movements of the tides.
Photo credit must be given: ©FAO/Abdelhakim Aissaoui
More information:
Ramli agricultural system in the lagoons of Ghar El Melh, Tunisia
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At the top, in 2009 February making my mixture substrate test in 4 Echinopsis "brothers". At the bottom, Echinopsis after 10 months (2009 December). You can see the different level of growing and differents behaviours.
Metarhizium flavoviride fungus grows on rice substrate in plastic tubs to produce spores. (file name: MISC_366)
Used a loose mix of thinset,
not quite "peaking" consistency.
Used my hands to trowel it as
smooth as possible.
Left to sit an hour or so and then
Tooled further by gently rubbing the surface with my palms.
Substrate: Quercus robur.
Eesti punase nimestiku liik, äärmiselt ohustatud (CR). LK I.
Vinni, Lääne-Virumaa.
this animal was recently recontextualized for me in a very interesting way. C. pyrrhus are known to be very good substrate-matchers, and rattlesnake camouflage coloration is known to affect predation rates. the balance among possible mechanisms that achieve this at the meta-population, population, and individual levels is not explored; it could be behavioral, it could be evolutionary, (i think) likely it is a combination of those two. this individual was seen in an area where most animals are vibrantly yellow, and most animals that are not yellow are gray and tan, and this biphasic locality exists as a tiny unique pocket within a (much) larger, mostly-monophasic (the gray and tan phase) region, and this is at the western edge of the species's range (range edges are often where genetically-weird stuff happens, both because range edges tend to occur near to where tolerance limits occur, and because there's less convergent selection on subpopulations on edges relative to subpopulations that are receiving gene flow from all directions). this individual seems to me to be representative of the regional gray and tan phase, but in which something to do with the concentration of melanin in the ectoderm has been amplified, to cover the animal in black spots so dense that the animal looks black when received as a whole. this can probably happen by accident (it's not quite melanism or hypermelanism the way that that is usually expressed in snakes), and for a long time my interpretation was that it was just an accident... but last time i visited this site, i found out that less than 20 years ago, a very large area around the site had burned in a wildfire. burn scars still persist in the area; a visitor can see burn marks on old woody stems in the area, and ash stains on many rocks... 20 years later. 15 years ago? 10 years ago? maybe even 5 years ago? for a long time the dominant substrate color (i would guess soils and rock faces) was probably black. certainly this is not proof that the local subpopulation evolved or chose (or a combination of these) substrate matching to a black, wildfire-generated substrate, but the idea is thought provoking.
seen on Kumeyaay land.
Substrate: Phellinus tremulae, Populus tremula.
Eesti punase nimestiku liik, ohualdis (VU). LK III.
Tõrremäe, Lääne-Virumaa.
Divers Kate and Chuck ready to release a concrete substrate from the davit and escort it down to the bottom. Back to UAB in Antarctica website.
White Mountains cinquefoil, Potentilla morefieldii, elevation 3530 m (11580 ft). Substrate is carbonate (Reed Dolomite).
This species is endemic to the high subalpine and alpine of the White Mountains, and to a small segment of the Sierra Nevada directly to the west across Owens Valley. Named by Dr. Barbara Ertter in 1992 (Brittonia 44: 432-434) as part of her work to sort out the variation in the Potentilla drummondii/breweri complex, it was previously misidentified by me and others as P. drummondii var. bruceae or P. pseudosericea. It will forever be an honor to have an eponymous species residing on top of my favorite mountain range!
Repeated alternate steps of applying gesso then sanding smooth to produce a strong white matt surface for acrylic painting (it's better to do this before the sun goes down, if your lights are rubbish).
Team members Alan and Jason in the "Wonderbread" platform zodiac attach the next substrate to the davit while watching the bubbles from working divers Kate and Chuck. Back to UAB in Antarctica website.
Calcareous base plate. Usually left on substrate when barnacle removed. This one had poor grip on smooth fibreglass of pontoon, held in position by sponges etc. Portland Harbour, Dorset. April 2012.
Full SPECIES DESCRIPTION at flic.kr/p/c1w9U3
Sets of OTHER SPECIES at: www.flickr.com/photos/56388191@N08/collections/
As the scientific name implies, gray tree frogs are variable in color owing to their ability to camouflage themselves from gray to green, depending on the substrate where they are sitting. The degree of mottling varies.[3] They can change from nearly black to nearly white. They change color at a slower rate than a chameleon. Dead gray tree frogs and ones in unnatural surroundings are predominantly gray. The female does not croak and has a white throat; however, the male does croak and has a black/gray throat. The female is usually larger than the male.
They are relatively small compared to other North American frog species, typically attaining no more than 1.5 to 2 in (3.8 to 5.1 cm). Their skin has a lumpy texture to it, giving them a warty appearance. They are virtually indistinguishable from the Cope's gray tree frog, H. chrysoscelis, the only readily noticeable difference being their calls. Cope's gray tree frog has a shorter, faster call.[4] The gray tree frog also has an extra set of chromosomes (4N), or 48 in total, and is called tetraploid gray tree frog in scientific circles. The Cope's gray tree frog, or diploid gray tree frog, retained its 2N (24) original chromosome set. Hybridization between these species results in early mortality of many larvae, but some individuals survive to adulthood though they have reduced fertility.[5]
Both H. chrysoscelis and H. versicolor have bright-yellow patches on their hind legs, which distinguishes them from other tree frogs, such as H. avivoca.[6] The bright patches are normally only visible while the frog is jumping. Both species of gray tree frogs are slightly sexually dimorphic. Males have black or gray throats, while the throats of the females are lighter.[7]
Tadpoles have rounded bodies (as opposed to the more elongated bodies of stream species) with high, wide tails that can be colored red if predators are in the system. Metamorphosis can occur as quickly as two months with optimal conditions. At metamorphosis, the new froglets will almost always turn green for a day or two before changing to the more common gray. Young frogs will also sometimes maintain a light green color and turn gray or darker green after reaching adulthood.
Grad student Greg Sorg work on the less glamorous (and messier!) part of growing oysters differently - creating the substrate on which the oysters will grow.
UNC Institute of Marine Sciences.
Morehead City, NC
(Jon Gardiner/UNC-Chapel Hill)
Technician Richard Mahoney (l) and grad student Greg Sorg (r) work on the less glamorous (and messier!) part of growing oysters differently - creating the substrate on which the oysters will grow.
UNC Institute of Marine Sciences.
Morehead City, NC
(Jon Gardiner/UNC-Chapel Hill)
Technician Richard Mahoney (l) and grad student Greg Sorg (r) work on the less glamorous (and messier!) part of growing oysters differently - creating the substrate on which the oysters will grow.
UNC Institute of Marine Sciences.
Morehead City, NC
(Jon Gardiner/UNC-Chapel Hill)
Substrate: Picea abies.
Määraja / Identified By Irja Saar.
Koitjärve, Põhja-Kõrvemaa.
Eesti punase nimestiku liik, ohualdis (VU).
SEM image of a nano-bridge milled into silicon substrate using a FIB(ref.: NanoBridge). Helios NanoLab 400 Made using NanoBuilder.
HV 5.00 kV
Mag 6 000x
Tilt -0°
WD 4.0 mm
HFW 21.3 µm
Courtesy: Remco Geurts (FEI)
Matte and gloss uv ink inline on rigid substrates! This was the show stopper. Booth visitors especially loved the Champagne poster - the gloss on the foam at the top POPPED!
Grad student Greg Sorg work on the less glamorous (and messier!) part of growing oysters differently - creating the substrate on which the oysters will grow.
UNC Institute of Marine Sciences.
Morehead City, NC
(Jon Gardiner/UNC-Chapel Hill)
Technician Richard Mahoney (l) and grad student Greg Sorg (r) work on the less glamorous (and messier!) part of growing oysters differently - creating the substrate on which the oysters will grow.
UNC Institute of Marine Sciences.
Morehead City, NC
(Jon Gardiner/UNC-Chapel Hill)
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Mud-puddling is the phenomenon mostly seen in butterflies and involves their aggregation on substrates like wet soil, dung and carrion to obtain nutrients such as salts and amino acids. This behaviour has also been seen in some other insects, notably the leafhoppers.
Lepidoptera (butterflies and moths) are diverse in their strategies to gather liquid nutrients. Typically, mud-puddling behavior takes place on wet soil. But even sweat on human skin may be attractive to butterflies.The most unusual sources include blood and tears.
This behaviour is restricted to males in many species, and in some like Battus philenor the presence of an assembly of butterflies on the ground acts as a stimulus to join the presumptive mud-puddling flock.
In tropical India this phenomenon is mostly seen in the post-monsoon season. The groups can include several species often including members of the Papilionidae and Pieridae.
Males seem to benefit from the sodium uptake through mud-puddling behaviour with an increase in reproductive success. The collected sodium and amino acids are often transferred to the female with the spermatophore during mating as a nuptial gift. This nutrition also enhances the survival rate of the eggs.
When puddling many butterflies and moths pump fluid through the digestive tract and release fluid from their anus. In some, such as the male notodontid Gluphisia septentrionis, this is released in forced anal jets at 3 second intervals. Fluid of up to 600 times the body mass may pass through and males have a much longer ileum (anterior hindgut) than non-puddling females
Check the latest print direct to substrate & installation we did in Steveston Village, Richmond, BC.
some days I swear
I'm starting to mould
my skin is a stinking substrate
drawing me into the fungal fold
to the land of feast or famine
downpour or drought
until I'm as wet on the inside
as I've ever been on the out
wildfires bring wildflowers
and thundershowers bring doubt
when I should be
standing in the open
barely restraining a shout
the lightning leads and leaves me here
heads off somewhere
down the valley
strikes the skull
of some conductive stranger
and adds him to the tally
I fall asleep to the raindrop rattle
a battle against my bedroom window
that the storm will not surrender
just like the woman
who keeps me floating
what's wild is what's
most tender
~ ~ ~
July 1, 2023
Paradise, Nova Scotia
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Installation and clothing items from organic substrates (2017 – 2019)
These grown gowns are the outcome of a series of experiments and playful interactions with plants and the observation of their roots through photography or time-lapse video. Experiments with pearls, small gears, or the positioning of seeds lead to different plant responses. The outcome was eventually applied to larger surface areas in the shape of cutting patterns reminiscent of fine woven textiles. The exhibits show a subterranean, hidden aesthetic of a natural structure that cannot be copied by humans.
Credit: tom mesic
Horizontal type E-beam optical coater
To coat optical film or decorative film or functional film on large-sized substrate products such as glass or plastic panels, or to realize mass production of vacuum coating for rhinestone, lamp glass slip, round shape articles as glass tube, lamp tube, the horizontal type E-beam optical coater is the best choice for customers.
Horizontal structure E-beam optical coater generally can have large quantity substrate loading with single or double revolution and rotation substrate racks to realize three dimensional moves to make single side coating or all-round uniform coating for round shape substrates.
With powerful e-beam gun equipped, coupled with quartz crystal coating thickness monitoring and control device, it is available to evaporate various metals and high melting dielectric to realize single or multi-layers optical coating. The machine can be also selectively equipped with ion source, Poly-cold, etc, as per actual needs to improve coating results and raise production efficiency. With advanced IPC control system, patent OA2000 software invented by our own company and color screen display as operation interface, the whole coating process realizes automation with characteristics of stability and repetition.
Horizontal type E-beam optical coater is our company’s new creation and it changes traditional optical operation and brings the mass production come true. In the year 2004, this technical innovation obtains china national patent and from then on, it receives great popularity at home and abroad.
China Guangdong PVD Metallizer Co.
Alex Li
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Website: www.pvd-metallizer.com
Address: No.1 duanzhou road, Zhaoqing, China