#death valley national park
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aimeekb · 5 months ago
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The Milky Way rising above the mountains in Badwater Basin, Death Valley National Park
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georgeberkeley · 3 months ago
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Emigrant Canyon Road to Hummingbird Spring and Wildrose Charcoal Kilns - Death Valley National Park (2022)
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traverse-our-universe · 11 months ago
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Geminid Meteor Shower over Death Valley National Park by Babak Tafreshi
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rjzimmerman · 7 months ago
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Excerpt from this story from the Las Vegas Sun:
A population spurt for the Devils Hole pupfish, a critically endangered fish at Death Valley National Park, is giving scientists cause for optimism, the National Park Service said.
Scientists from the park service, the Nevada Department of Wildlife and the U.S. Fish and Wildlife Service counted 191 pupfish at Devils Hole over the course of their spring study April 5 and 6, officials said. That marks a 25-year high, they said.
“Increasing numbers allow the managing agencies to consider research that may not have been possible in the past, when even slight perturbations of habitat or fish had to be completely avoided,” said Michael Schwemm, senior fish biologist for the U.S. Fish and Wildlife Service. “We’re excited about the future directions with respect to managing this species.”
Many pairs of the fish were found courting and spawning in their 92-degree habitat, officials said.
The species fully resides in Devils Hole, a water-filled cavern near Ash Meadows National Wildlife Refuge in Nye County. Officials say Devils Hole is the smallest habitat of any vertebrate species on the planet.
The fish are found in the upper 80 feet of the cave and depend on an 11-by-16-foot sunlit shallow shelf at the cavern’s entrance for food and spawning, officials said.
Historically, the pupfish’s population ranges between 100 to 200 in winter and 300 to 500 in late summer — an all-time low of 35 fish was recorded in 2013.
The tiny fish, averaging less than 1 inch in length, lived in relative isolation for between 10,000 and 20,000 years after periods of flooding and dryness created the cavern they call home, the park service said.
Flooding last summer from Hurricane Hilary was a benefit to the fish’s ecosystem, officials said, because it added nutrients that washed off the surrounding land surface in a fine layer of clay and silt.
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the-storyist · 3 months ago
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badwater basin
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duxuebing · 3 months ago
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Photography by Xuebing Du
Instagram: xuebing.du
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caseymac · 9 months ago
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Death Valley -- Casey McCallister \\ Instagram
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eopederson · 8 months ago
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Death Valley from Zabriske Point, Inyo County, 2020
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fishenjoyer1 · 7 months ago
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Fish of the Day
The fish of the day today is the devils hole pupfish!
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The devils hole pupfish, scientific name Cyprinodon diabolis, is an endangered fish known to live in exactly one spot, Devils hole. Devils hole is a limestone cavern with a geothermal pool found in Nye county of Nevada, and a disconnected section of Death Valley National Park. The geothermal pool keeps the water at a consistent 33 degrees Celsius all seasons, and has low dissolved oxygen amounts. The surface of water at the cave is only 72ft by 12ft, but below that the cave descends deep into the earth. Below the surface pool there is a larger cavern descending to 150 meters at its deepest before branching into a smaller tube at the bottom, the depth of which is currently unknown.1965 two teenagers went diving in the hole with scuba gear, and were never seen again,  rescue divers sent after them found a dropped flashlight, and other scuba gear but the bodies were never found. One rescue diver dropped a weighted plate that fell a full 932ft without contacting a bottom to the chamber, describing the water below him as an "infinity chamber". Later scans of the cave revealed it is at least as deep as 1,247ft, although to this day the depth is still unknown. Another well known aspect of the cave is that it can be used to determine when there are earthquakes all over the world. The water surges and has displayed unique patterns during the 2022 Mexico 7.6 magnitude earthquake, along with other strong earthquakes further from the hole. Such as: the 2012 6.2 magnitude earthquake in Papua New Guinea, or the 2018 7.4 magnitude earthquake in Indonesia. Devils hole pupfish are known to live only in the first 80ft of the cave.
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Devils hole pupfish are unique in appearance, getting only as large as an inch, and being one of few species that have no pelvic fins, however when raised in colder conditions these pupfish will regrow these appendages. As juveniles these fish are an off white color, and females retain some of this coloring in adulthood. This species has only ever been recorded with as many as 500 wild fish at its highest, hitting an all time low point of 42 fish in 2007. The more recent numbers are looking up however, and there were 263 pupfish observed in spring of 2022. The survival from egg to adulthood is small, but the likelihood with human effort that this fish will survive the test of time is high. Described as possibly the most isolated wild vertebrate species in the world. These fish live only 10-14 months, reaching sexual maturity at 8-10 weeks old and spawn year round with peaks in mid February-May, and a smaller peak in July-September. Due to the unique oxygen levels of devils hole, these fish have adapted to enter a state of tupor, similar to hibernation, where they can live anaerobically. This allows them to go without breathing for up to 2 hours, however they produce ethanol as a byproduct.
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Most of the devils hole pupfish life is on the rocky outcrops of the surface waters of the cave system. Breeding, egg laying, diet, resting, and schedules surrounding the placement of the sun all depend on these rocky outcroppings of stone near the surface of the water. The diet of these fish is dependent on the rock outcroppings of the cave, as they eat anything they can find in the cave system. This includes: small freshwater crustaceans, beetles, flatworms, freshwater snails, inorganic matter made of small sections of the caves limestone, along with spirogyra and diatom algae, which grows on the rocks themselves and makes up most of the pupfish's diet. Due to their diet being mostly algae types, pupfish are incredibly susceptible to the seismic activity in the devils' hole, as it creates small tsunamis along surface water and washes away algae on the rocks, leaving them without a majority of their food source until it regrows. When these earthquakes happen the pupfish are known to flee into the deer waters of the cave until the water has stilled, and are thought to perhaps feel earthquakes before they happen, although not much research has been done on this yet.
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Have a good Wednesday, everyone!
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photos-of-everyday-life · 1 year ago
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From Zabriskie Point.
Death Valley, 2018.
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aimeekb · 6 months ago
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The galactic center of the Milky Way rising above Zabriskie Point, Death Valley National Park
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elinerlina2 · 6 months ago
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Death Valley National Park 🌍
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lionfloss · 2 years ago
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Death Valley National Park
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herbalnature · 7 months ago
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Catch a glimpse of the golden ridges of Zabriskie Point, a strikingly beautiful badland area in Death Valley National Park, CA. As the sun washes over the landscape, the play of light and shadow brings out the contours of this natural wonder.
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the-storyist · 3 months ago
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wandering-jana · 18 days ago
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Artists Drive.
Death Valley National Park, California
Dec. 2018
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