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#conservation science
faerie-freya · 7 months
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*ੈ𐐪𐑂 hello ! ⭒˚。⋆
my name is freya or florian, and i really love insects (especially wild bees !) i am studying conservation science, and i may use this space as a way to share things i find cool, which may help me study !! :]
this semester i am studying:
natural resource law
introductory chemistry
ecology
atmospheric science
about me and interests !
i am 19 !
my pronouns are they/it !
i'm episcopalian !
i've been studying bees for over 4 years !!
i have a bearded dragon named ozzie !
my favorite musicians are the oh hellos and mitski ! fleet foxes and hozier are also lovely !
my other interests include: crochet, choir playing board games with friends, studying the bible, dnd, faeries, playing video games, good omens, tarot, enneagram
please be respectful of all peoples, cultures, identities, and creeds here ! everyone is welcome as long as you do not dehumanize or invalidate others ! i will mostly be keeping politics off this blog, not because it isn't important but bc i have other blogs for that. this is a fun and comforting place for me and i hope for you as well :] my private messages and asks are open to talk about mostly anything that i might post, as long as we converse in a kind and respectful manner. especially talk to me about bees :3 !!!!
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jaideepkhanduja · 1 year
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Sexist Stereotyping Abounds in Conservation Science: Addressing the Harmful Effects and Creating a More Inclusive Environment
Introduction: Conservation science is an important field of study that aims to preserve our natural resources and protect endangered species. However, despite its noble intentions, this field is not immune to sexist stereotyping. In fact, sexist stereotyping abounds in conservation science, and it can have serious implications for the way we approach conservation efforts. In this article, we…
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reasonsforhope · 4 months
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"In one of Africa’s last great wildernesses, a remarkable thing has happened—the scimitar-horned oryx, once declared extinct in the wild, is now classified only as endangered.
It’s the first time the International Union for the Conservation of Nature (IUCN), the world’s largest conservation organization, has ever moved a species on its Red List from ‘Extinct in the Wild’ to ‘Endangered.’
The recovery was down to the conservation work of zoos around the world, but also from game breeders in the Texas hill country, who kept the oryx alive while the governments of Abu Dhabi and Chad worked together on a reintroduction program.
Chad... ranks second-lowest on the UN Development Index. Nevertheless, it is within this North African country that can be found the Ouadi Rimé-Ouadi Achim Faunal Reserve, a piece of protected desert and savannah the size of Scotland—around 30,000 square miles, or 10 times the size of Yellowstone.
At a workshop in Chad’s capital of N’Djamena, in 2012, Environment Abu Dhabi, the government of Chad, the Sahara Conservation Fund, and the Zoological Society of London, all secured the support of local landowners and nomadic herders for the reintroduction of the scimitar-horned oryx to the reserve.
Environment Abu Dhabi started the project, assembling captive animals from zoos and private collections the world over to ensure genetic diversity. In March 2016, the first 21 animals from this “world herd” were released over time into a fenced-off part of the reserve where they could acclimatize. Ranging over 30 miles, one female gave birth—the first oryx born into its once-native habitat in over three decades.
In late January 2017, 14 more animals were flown to the reserve in Chad from Abu Dhabi.
In 2022, the rewilded species was officially assessed by the IUCN’s Red List, and determined them to be just ‘Endangered,’ and not ‘Critically Endangered,’ with a population of between 140 and 160 individuals that was increasing, not decreasing.
It’s a tremendous achievement of international scientific and governmental collaboration and a sign that zoological efforts to breed endangered and even extinct animals in captivity can truly work if suitable habitat remains for them to return to."
-via Good News Network, December 13, 2023
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rebeccathenaturalist · 4 months
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A study that just came out demonstrates that outdoor cats are known to prey on over two thousands species of wild animal, from mammals to birds to insects. That includes 347 species that are endangered, threatened or otherwise of concern, and they've been a key factor of the permanent extinction of over 60 species. And while cats may not always bring home what they catch, chances are if your cat is allowed to roam unsupervised outside, they're killing your local wildlife.
Why is this so important? Worldwide, wild animal populations have decreased in number by 69% in the past fifty years; that means that in my lifetime (born in 1978), the sheer number of wild animals in the world has been decreased by over half. Even "common" wild species are less numerous than before. While habitat population is the single biggest cause of species endangerment and extinction overall, outdoor and indoor/outdoor cats are a significant cause as well. In fact, they are the single biggest cause of human-caused mortality in wild birds.
Most importantly, it's very, very simple to fix this problem: keep your cats indoors, and spay and neuter them. If your cat is bored, they need more enrichment, and there are plenty of ways to make your home more exciting for them, from bringing home cardboard boxes for them to explore, to playing with them more often. If you want your cat to get some outdoor enrichment, leash train them (yes, it can be done!) If you have the space and resources, build them a catio where they can be safe from outdoor dangers like predators and cars, while also keeping local wildlife safe from them.
If you just give into their whining and pawing at the door, then they know that that's what they have to do to get their way; I know it's a tough transition, but it's worth it in the end for everyone involved. Cats are domesticated, which means they are not native anywhere in the world; there are exactly zero ecosystems in which they belong, save for the safety of your home. It is your responsibility to give them an enriching environment without taking the shortcut of letting them go wreak havoc outside.
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platypu · 1 year
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considernature · 9 days
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EEEEEEEE EEEEEEEEE EEEEEEE
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That's right! It's International Bat Appreciation Day! We share our planet with over 1400 species of bat, making the second most abundant mammal order, and they perform a wide variety of ecological roles, from dispersing seeds to pollinating flowers to eating thousands of insects in a single night! Over 200 bat species are listed as Threatened by the International Union for the Conservation of Nature--that is over 14 percent of all bats!
YOU can help endangered bats today by donating to Pennsylvania Bat Rescue at this link. This PA-based organization rehabilitates sick or injured bats and helps educate people like you and me in how we can create more bat-friendly environments.
If you want to learn about particularly-cool bat species native to New Zealand, check out this Consider Nature article on the Pekapeka, the bat that walks:
For the rest of the day, Consider Nature will be bat-bombing Tumblr with some of our favorite bat species to share them with the world!
Alt text: a small brown bat stretching its wings with the kind of fabulous flourish that would impress Ryan Evans.
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wachinyeya · 7 months
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mysharona1987 · 1 year
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lovecraftian-frog · 2 months
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During my internship, I saw another strange fellow. If you like the neck flexibility of the European wryneck you sure gonna love the Little bittern (Ixobrychus minutus). This bird is in the heron family (Ardeidae) but loves to shrink itself. But be warned ! They know where your eyes are and can launch their neck and beak real fast ! One tried to attack me while I was checking its ring and I was lucky to be just 10 cm too far. Despite this vicious attack I love this funny bird and he was quite easy to untangle and to ring. With colleagues, we nicknamed it the "Accordion of death"
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markscherz · 7 months
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Bad Newts: Amphibians are in Serious Trouble
My colleagues and I have just had a paper published in Nature, based on our efforts to assess almost all amphibian species for the IUCN Red Lists. The major takeaway messages:
It is a bad time to be an amphibian
Two fifths of all amphibians are threatened with extinction.
Salamanders are the most threatened group; three fifths of all salamanders are threatened with extinction!
Climate change is a major driver of amphibian declines globally
Habitat loss, especially due to agriculture, is a problem for the vast majority of amphibians
Chytrid pandemics have caused and continue to cause catastrophic declines of both salamanders and frogs
Protected areas and careful management are working as strategies! They are actively improving the outlook of some species
As many as 222 amphibian species may have gone extinct in recent times; of those, 185 are suspected extinct but not yet confirmed.
Our paper is Open Access, you can read it here!
Photo of Atelopus hoogmoedi by Jaime Culebras, used with permission
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reasonsforhope · 3 months
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"Many people know about the Yellowstone wolf miracle. After wolves were reintroduced to the national park in the mid-1990s, streamside bushes that had been grazed to stubble by out-of-control elk populations started bouncing back. Streambank erosion decreased. Creatures such as songbirds that favor greenery along creeks returned. Nearby aspens flourished.
While there is debate about how much of this stemmed from the wolves shrinking the elk population and how much was a subtle shift in elk behavior, the overall change was dramatic. People were captivated by the idea that a single charismatic predator’s return could ripple through an entire ecosystem. The result was trumpeted in publications such as National Geographic.
But have you heard about the sea otters and the salt marshes? Probably not.
It turns out these sleek coastal mammals, hunted nearly to extinction for their plush pelts, can play a wolf-like role in rapidly disappearing salt marshes, according to new research. The findings highlight the transformative power of a top predator, and the potential ecosystem benefits from their return.
“It begs the question: In how many other ecosystems worldwide could the reintroduction of a former top predator yield similar benefits?” said Brian Silliman, a Duke University ecologist involved in the research.
The work focused on Elk Slough, a tidal estuary at the edge of California’s Monterey Bay. The salt marsh lining the slough’s banks has been shrinking for decades. Between 1956 and 2003, the area lost 50% of its salt marshes.
Such tidal marshes are critical to keeping shorelines from eroding into the sea, and they are in decline around the world. The damage is often blamed on a combination of human’s altering coastal water flows, rising seas and nutrient pollution that weakens the roots of marsh plants.
But in Elk Slough, a return of sea otters hinted that their earlier disappearance might have been a factor as well. As many as 300,000 sea otters once swam in the coastal waters of western North America, from Baja California north to the Aleutian Islands. But a fur trade begun by Europeans in the 1700s nearly wiped out the animals, reducing their numbers to just a few thousand by the early 1900s. Southern sea otters, which lived on the California coast, were thought to be extinct until a handful were found in the early 1900s.
In the late 1900s, conservation organizations and government agencies embarked on an effort to revive the southern sea otters, which remain protected under the Endangered Species Act. In Monterey Bay, the Monterey Bay Aquarium selected Elk Slough as a prime place to release orphaned young sea otters taken in by the aquarium.
As the otter numbers grew, the dynamics within the salt marsh changed. Between 2008 and 2018, erosion of tidal creeks in the estuary fell by around 70% as otter numbers recovered from just 11 animals to nearly 120 following a population crash tied to an intense El Niño climate cycle.
While suggestive, those results are hardly bulletproof evidence of a link between otters and erosion. Nor does it explain how that might work.
To get a more detailed picture, the researchers visited 5 small tidal creeks feeding into the main slough. At each one, they enclosed some of the marsh with fencing to keep out otters, while other spots were left open. Over three years, they monitored the diverging fates of the different patches.
The results showed that otter presence made a dramatic difference in the condition of the marsh. They also helped illuminate why this was happening. It comes down to the otters’ appetite for small burrowing crabs that live in the marsh.
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Adult otters need to eat around 25% of their body weight every day to endure the cold Pacific Ocean waters, the equivalent of 20 to 25 pounds. And crabs are one of their favorite meals. After three years, crab densities were 68% higher in fenced areas beyond the reach of otters. The number of crab burrows was also higher. At the same time, marsh grasses inside the fences fared worse, with 48% less mass of leaves and stems and 15% less root mass, a critical feature for capturing sediment that could otherwise wash away, the scientists reported in late January in Nature.
The results point to the crabs as a culprit in the decline of the marshes, as they excavate their holes and feed on the plant roots. It also shows the returning otters’ potential as a marsh savior, even in the face of rising sea levels and continued pollution. In tidal creeks with high numbers of otters, creek erosion was just 5 centimeters per year, 69% lower than in creeks with fewer otters and a far cry from earlier erosion of as much as 30 centimeters per year.  
“The return of the sea otters didn’t reverse the losses, but it did slow them to a point that these systems could restabilize despite all the other pressures they are subject to,” said Brent Hughes, a biology professor at Sonoma State University and former postdoctoral researcher in Silliman’s Duke lab.
The findings raise the question of whether other coastal ecosystems might benefit from a return of top predators. The scientists note that a number of these places were once filled with such toothy creatures as bears, crocodiles, sharks, wolves, lions and dolphins. Sea otters are still largely absent along much of the West Coast.
As people wrestle to hold back the seas and revive their ailing coasts, a predator revival could offer relatively cheap and effective assistance. “It would cost millions of dollars for humans to rebuild these creek banks and restore these marshes,” Silliman said of Elk Slough. “The sea otters are stabilizing them for free in exchange for an all-you-can-eat crab feast.”"
-via Anthropocene Magazine, February 7, 2024
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rebeccathenaturalist · 11 months
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Okay, I know people as a general rule tend to not care about invertebrates as much as cute, fuzzy mammals, but this is a must-read if you care about animal welfare. The short version is that horseshoe crab blood has been used for decades in medicine as a way to test whether something is truly sterile; the blood clots in the presence of bacteria. Since then millions of horseshoe crabs have been captured and drained of blood, even though a synthetic alternative was developed a few years ago.
They go through a pretty brutal experience in the process. They're caught by fishermen who often throw them by their tails into a pile in the open air, and they're then trucked to a bleeding facility where they're strapped down and their blood is removed with needles jabbed directly into their hearts. Over half their blood may be taken, after which they're supposed to be returned to the ocean. However, it's likely many of them never make it back, instead turned into fish bait and sold by the same fishermen who caught them in the first place.
Apart from the fact that this is a horrific thing to put any animal through, the attrition due to fatalities has put a serious dent in horseshoe crab numbers. This is compounded by massive habitat loss, pollution, and the capture of horseshoe crabs as food, particularly as the females of one species are considered a delicacy. And other animals that rely on horseshoe crabs are suffering, too. The American rufa subspecies of the red knot, a medium-sized shorebird, is critically endangered as the horseshoe crab eggs it must have in order to successfully complete migration have become increasingly scarce, and it is likely the bird will become extinct if trends continue.
While there are guidelines for medical horseshoe crab harvest, they're considered optional. The few laws that exist are poorly enforced. Short of a complete ban on horseshoe crab blood in favor of the synthetic alternative, these animals are in very real danger of going extinct after a history spanning over 400 million years on this planet.
Thankfully, this article is not the first to bring forth the issues surrounding horseshoe crab harvest. Here are a few resources for further information and action (US based, though horseshoe crabs are threatened throughout their entire range):
Horseshoe Crab Conservation Network - https://horseshoecrab.org/conservation/
Wetlands Institute - https://wetlandsinstitute.org/conservation/horseshoe-crab-conservation/
Horseshoe Crab Recovery Coalition - https://hscrabrecovery.org/
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discovery-at-sea · 1 year
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(May 12, 2023) We are raising money for a crowd funded research project investigating the cause of blueberry hermit crabs in Okinawa, Japan using trash found on the beach as “homes” instead of natural shells. These hermit crabs are endemic to the southern islands of Japan, and they act as coastal environmental engineers. They are endangered on several islands, and we want to try and understand why they are resorting to beach trash for shells. Please consider sharing this post and donating to the project. The fundraising will be active for the next 45 days (until June 26). 
You can find all project details here: https://experiment.com/projects/blueberry-hermit-crabs-with-beach-trash-homes
We suspect that areas with high rates of tourism lead to beach combers collecting natural shells leaving nothing for the hermit crabs to use. It’s possible that overfishing of turbo snails which would naturally provide shells for the crabs may also be a factor. We will survey many sites across several islands in Okinawa to try and determine a cause of this behavior. 
We will be working closely with national geographic photographer Shawn Miller (photo credits above) and several researchers in Japan. Additionally, we will complete extensive beach clean ups in the areas we study. Thank you so much for reading! 
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considernature · 3 months
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Hey. You.
Check out this weird fish.
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Cool, huh? It's got no bones and it's older than T rex. Wanna learn more? Check out Consider Nature:
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wachinyeya · 1 month
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CA Redwoods to Be First National Park Co-Managed with a Native American Tribe That Used to Own it https://www.goodnewsnetwork.org/ca-redwoods-to-be-the-first-national-park-co-managed-with-a-native-american-tribe-that-used-to-own-it/
questionable headline aside this is good news
The Yurok will be the first Tribal nation to co-manage land with the National Park Service under a historic memorandum of understanding signed on Tuesday by the tribe, Redwood national and state parks, and the non-profit Save the Redwoods League, according to news reports.
The Yurok tribe has seen a wave of successes in recent years, successfully campaigning for the removal of a series of dams on the Klamath River, where salmon once ran up to their territory, and with the signing of a new memorandum of understanding, the Yurok are set to reclaim more of what was theirs.
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onenicebugperday · 10 months
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Want to Save the Bees? Focus on Habitat, Not Honey Bees
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There has been an amazing groundswell of support for bees, motivating people everywhere to act—creating pollinator gardens, planting habitat in parks and on farms, reducing pesticide use or campaigning for citywide bans. It is clear that people care, and many have rallied around this issue.
For some, a tangible goal has been to get a honey bee hive. As a result, hives have appeared in gardens and backyards, on rooftops, and in parks and nature reserves. On the surface, this makes sense: if bees are declining, it would seem that more bees in more places will help. Yet, when we look deeper, efforts to increase the number of honey bees on the landscape may be doing more harm than good.
Read the full article here.
via The Xerces Society for Invertebrate Conservation
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