#geneticdiversity — Public Fediverse posts
Live and recent posts from across the Fediverse tagged #geneticdiversity, aggregated by home.social.
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Genetic clues tell the story of Neanderthals’ decline.
The Neanderthal population shrank during a cold spell around 75 000 years ago, and the loss of genetic diversity may have contributed to their eventual extinction.
#Neanderthals #AncientHumans #Europe #Genetics #GeneticDiversity #DNA #Science
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Genetic clues tell the story of Neanderthals’ decline.
The Neanderthal population shrank during a cold spell around 75 000 years ago, and the loss of genetic diversity may have contributed to their eventual extinction.
#Neanderthals #AncientHumans #Europe #Genetics #GeneticDiversity #DNA #Science
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Genetic clues tell the story of Neanderthals’ decline.
The Neanderthal population shrank during a cold spell around 75 000 years ago, and the loss of genetic diversity may have contributed to their eventual extinction.
#Neanderthals #AncientHumans #Europe #Genetics #GeneticDiversity #DNA #Science
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Genetic clues tell the story of Neanderthals’ decline.
The Neanderthal population shrank during a cold spell around 75 000 years ago, and the loss of genetic diversity may have contributed to their eventual extinction.
#Neanderthals #AncientHumans #Europe #Genetics #GeneticDiversity #DNA #Science
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Genetic clues tell the story of Neanderthals’ decline.
The Neanderthal population shrank during a cold spell around 75 000 years ago, and the loss of genetic diversity may have contributed to their eventual extinction.
#Neanderthals #AncientHumans #Europe #Genetics #GeneticDiversity #DNA #Science
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🧬 Why do second-generation crossbreed puppies often look unexpectedly different from their parents? Genetic segregation and recombination can produce outcomes that surprise even experienced breeders.
✍️ Explore the science of doodles and beyond: https://TPC8.short.gy/ZVjB8RN2
🌈 Where chaos becomes beauty, variation writes its own poetry
#Crossbreeds #DogGenetics #ScienceCommunication #Labradoodle #GeneticDiversity #TherapyDogs #Dogs #Genetics #F1F2F3 #Pets #TPC8
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🧬 Why do second-generation crossbreed puppies often look unexpectedly different from their parents? Genetic segregation and recombination can produce outcomes that surprise even experienced breeders.
✍️ Explore the science of doodles and beyond: https://TPC8.short.gy/ZVjB8RN2
🌈 Where chaos becomes beauty, variation writes its own poetry
#Crossbreeds #DogGenetics #ScienceCommunication #Labradoodle #GeneticDiversity #TherapyDogs #Dogs #Genetics #F1F2F3 #Pets #TPC8
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🧬 Why do second-generation crossbreed puppies often look unexpectedly different from their parents? Genetic segregation and recombination can produce outcomes that surprise even experienced breeders.
✍️ Explore the science of doodles and beyond: https://TPC8.short.gy/ZVjB8RN2
🌈 Where chaos becomes beauty, variation writes its own poetry
#Crossbreeds #DogGenetics #ScienceCommunication #Labradoodle #GeneticDiversity #TherapyDogs #Dogs #Genetics #F1F2F3 #Pets #TPC8
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🧬 Why do second-generation crossbreed puppies often look unexpectedly different from their parents? Genetic segregation and recombination can produce outcomes that surprise even experienced breeders.
✍️ Explore the science of doodles and beyond: https://TPC8.short.gy/ZVjB8RN2
🌈 Where chaos becomes beauty, variation writes its own poetry
#Crossbreeds #DogGenetics #ScienceCommunication #Labradoodle #GeneticDiversity #TherapyDogs #Dogs #Genetics #F1F2F3 #Pets #TPC8
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🧬 Why do second-generation crossbreed puppies often look unexpectedly different from their parents? Genetic segregation and recombination can produce outcomes that surprise even experienced breeders.
✍️ Explore the science of doodles and beyond: https://TPC8.short.gy/ZVjB8RN2
🌈 Where chaos becomes beauty, variation writes its own poetry
#Crossbreeds #DogGenetics #ScienceCommunication #Labradoodle #GeneticDiversity #TherapyDogs #Dogs #Genetics #F1F2F3 #Pets #TPC8
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Why #WildlifeCorridors are Essential for #Biodiversity and #Ecosystem Health
November 12, 2024
"Wildlife corridors serve as lifelines for biodiversity and ecosystem health. By providing a unique way to balance human development with #NatureConservation; connecting #FragmentedHabitats and allowing wildlife to move freely. So what exactly are wildlife corridors and why are they so important?
Wildlife corridors are strips of natural habitat that connect fragmented landscapes. They enable wildlife to move between isolated areas, aiding #migration, #GeneticDiversity, and survival. These corridors help mitigate the negative impacts of human development, such as #roads and #urbanisation, on animal populations.
Wildlife corridors serve many purposes, all stemming from their ability to reconnect isolated populations. By preventing habitat fragmentation, they enhance survival rates through increased food sources, cover, and reduced predation. On top of this, they protect biodiversity by enabling animals to move freely between habitat patches, reducing the risk to both wildlife and humans posed by human-made barriers.
Wildlife corridors are crucial for the survival of landscape species, which are wildlife species that need expansive areas to survive, such as tigers in India or grizzly bears in the United States. They are also vital in maintaining safe passage for birds, fish, and mammals, especially as new roads and developments create barriers to traditional feeding and breeding grounds.
These corridors can take various forms, ideally spanning 50 to 200 feet in width, providing sufficient habitat for species using them to travel, forage or nest. They offer a diverse range of habitats, enhancing the opportunities for various wildlife to thrive. Corridors can take the shape of #shelterbelts, #FieldBorders, #RiparianBuffers, and #RoadsideHabitats, each playing a unique role in providing sustenance, shelter, and travel lanes for different species.
Wildlife corridors highlight the possibility of a peaceful coexistence between humans and wildlife. Wildlife corridors help direct animals away from human settlements, reducing conflicts and minimising damage to crops and property, while ensuring the surviving and well-being of various species. Raising public awareness of these corridors is crucial for maintaining functioning natural systems on which humans also depend."
#SolarPunkSunday #Nature #Wildlife #UrbanAreas #GreenerCities
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【🎉Latest accepted article】
Tetraploids of an invasive clonal shrub, Lantana camara, present greater invasiveness than diploids#Polyploidy | #ClonalGrowth | #GeneticDiversity | #PhenotypicPlasticity | #InvasionSuccess
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Traces of a previously unknown group of people, genetically distinct from their neighbors, have persisted for at least 8,000 years in the central Southern Cone of South America, study finds. 🧬🌍📜
Read Full Article
#AncientCivilizations #GeneticDiversity #SouthAmericaHistory #ArchaeologicalDiscoveries #CulturalHeritage https://www.sciencealert.com/genetic-ghosts-of-a-long-lost-people-found-in-south-america
Reenviado desde Science News
(https://t.me/experienciainterdimensional/9669) -
Sumatran tiger Mawar debuts at Point Defiance Zoo, boosting conservation efforts
TACOMA, Wash. — Mawar, a 6-year-old female Sumatran tiger, is set to make her public debut at Point…
#NewsBeep #News #US #USA #UnitedStates #UnitedStatesOfAmerica #Wildlife #AsianForestSanctuary #conservation #Geneticdiversity #internationalcollaboration #PointDefianceZoo #Publicawareness #Science #SpeciesSurvivalPlan #Sumatrantiger
https://www.newsbeep.com/us/141812/ -
Sumatran tiger Mawar debuts at Point Defiance Zoo, boosting conservation efforts
TACOMA, Wash. — Mawar, a 6-year-old female Sumatran tiger, is set to make her public debut at Point…
#NewsBeep #News #US #USA #UnitedStates #UnitedStatesOfAmerica #Wildlife #AsianForestSanctuary #conservation #Geneticdiversity #internationalcollaboration #PointDefianceZoo #Publicawareness #Science #SpeciesSurvivalPlan #Sumatrantiger
https://www.newsbeep.com/us/141812/ -
How fast is too fast? Lee & McManus reveal ocean warming rate—not just magnitude—determines marine population survival. Cooler refuges & genetic diversity offer resilience, but only if warming doesn't outpace adaptation.
Now open access and ahead of print!
https://www.journals.uchicago.edu/doi/10.1086/737022#ocean #oceanWarming #marine #population #survival #geneticDiversity #adaptation
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The role of Cacao agroforests in the genetic conservation of Cariniana legalis, an emblematic species of the atlantic forest | BMC Ecology and Evolution
Our study on the ge…
#NewsBeep #News #Genetics #AnimalSystematics/Taxonomy/Biogeography #Cacaoagroforests #deforestation #entomology #EvolutionaryBiology #general #Geneticconnectivity #Geneticdiversity #GeneticsandPopulationDynamics #Insituconservation #LifeSciences #Science #Tropicalforest #UK #UnitedKingdom
https://www.newsbeep.com/uk/106591/ -
https://www.europesays.com/uk/388847/ The role of Cacao agroforests in the genetic conservation of Cariniana legalis, an emblematic species of the atlantic forest | BMC Ecology and Evolution #AnimalSystematics/Taxonomy/Biogeography #CacaoAgroforests #Deforestation #Entomology #EvolutionaryBiology #general #GeneticConnectivity #GeneticDiversity #Genetics #GeneticsAndPopulationDynamics #InSituConservation #LifeSciences #Science #TropicalForest #UK #UnitedKingdom
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Came across this gem in my bookmarks...
No Sex Needed: All-Female #Lizard Species Cross Their Chromosomes to Make Babies
These southwestern lizards' asexual reproduction is no longer a secret
By Katherine Harmon
February 21, 2010"Since the 1960s scientists have known that some species of #WhiptailLizards need a male even less than a fish needs a bicycle. These all-lady lizard species (of the Aspidoscelis genus) from Mexico and the U.S. Southwest manage to produce well-bred offspring without the aid of male fertilization.
"But how do they—and the other 70 species of vertebrates that propagate this way—do it without the genetic monotony and disease vulnerability that often results from asexual reproduction? 'It has remained unclear' and 'has been the topic of much speculation,' report a team of researchers who aimed to answer just that question. Their results were published online February 21 in the journal Nature. (Scientific American is part of Nature Publishing Group.)
"These lizards and other '#parthenogenetic species are genetically isolated,' explains Peter Baumann, an associate investigator at the Stowers Institute for Medical Research in Kansas City, Mo., and co-author of the study. Species as diverse as #KomodoDragons and #HammerheadSharks do it asexually if necessary, but some species, like these little lizards, don't have a choice. 'They can't exchange genetic material, and this loss of genetic exchange is a major disadvantage to them in a changing environment,' he says. Unless an animal can recombine the DNA they already have, they will produce an offspring with an identical set of chromosomes, in which any genetic weakness, such as disease susceptibility or physical mutation, would have no chance to be overridden by outside genetic material from a mate.
"The new research by Baumann and his team reveal that these lizards maintain genetic richness by starting the reproductive process with twice the number of chromosomes as their sexually reproducing cousins. These celibate species resulted from the hybridization of different sexual species, a process that instills the parthenogenetic lizards with a great amount of #GeneticDiversity at the outset. And the researchers found that these species could maintain the diversity by never pairing their homologous chromosomes (as sexual species do by taking one set of chromosomes from each parent) but rather by combining their sister chromosomes instead. '#Recombination between pairs of sister chromosomes maintains heterozygosity' throughout the chromosome, noted the authors of the study, which was led by Aracely Lutes, a postdoctoral researcher in Baumann's lab.
"This discovery, which had until now been unconfirmed in the reptile world, means that 'these lizards have a way of distinguishing sister from homologous chromosomes,' Baumann says. How do they do it? That's something the group is now investigating.
"Another big unknown is precisely how the lizards end up with double the amount of chromosomes in the first place. Baumann suspects that it could happen over two rounds of replication or if two sex cells combine forces before the division process starts."
Read more:
https://www.scientificamerican.com/article/asexual-lizards/#AsexualReproduction #NatureIsQueer #NatureIsGay #NatureIsCool! #Lizards
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(alt-txt: several pictures of various extinct dog breeds interspersed throughout text. Of particular interest is an engraving of a dog turning a treadle wheel that is rotating a joint of meat over the fire while people sit and talk on nearby tables. Another shows a small silky dog a bit like a poodle surrounded by South Sea Island people who are spinning its wool and making large rugs. on the loom).
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(alt-txt: several pictures of various extinct dog breeds interspersed throughout text. Of particular interest is an engraving of a dog turning a treadle wheel that is rotating a joint of meat over the fire while people sit and talk on nearby tables. Another shows a small silky dog a bit like a poodle surrounded by South Sea Island people who are spinning its wool and making large rugs. on the loom).
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(alt-txt: several pictures of various extinct dog breeds interspersed throughout text. Of particular interest is an engraving of a dog turning a treadle wheel that is rotating a joint of meat over the fire while people sit and talk on nearby tables. Another shows a small silky dog a bit like a poodle surrounded by South Sea Island people who are spinning its wool and making large rugs. on the loom).
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(alt-txt: several pictures of various extinct dog breeds interspersed throughout text. Of particular interest is an engraving of a dog turning a treadle wheel that is rotating a joint of meat over the fire while people sit and talk on nearby tables. Another shows a small silky dog a bit like a poodle surrounded by South Sea Island people who are spinning its wool and making large rugs. on the loom).
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(alt-txt: several pictures of various extinct dog breeds interspersed throughout text. Of particular interest is an engraving of a dog turning a treadle wheel that is rotating a joint of meat over the fire while people sit and talk on nearby tables. Another shows a small silky dog a bit like a poodle surrounded by South Sea Island people who are spinning its wool and making large rugs. on the loom).
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Great article on why/how race is a construct. Biological variation exists, though. #blacksky #blacksinstem #savetheSmithsonian #SavetheBlacksonian
#GeneticsAndRace #ScienceOfRace #GeneticDiversity
#UnderstandingGenetics #SmithsonianDebate
#RaceInScience -
Great article on why/how race is a construct. Biological variation exists, though. #blacksky #blacksinstem #savetheSmithsonian #SavetheBlacksonian
#GeneticsAndRace #ScienceOfRace #GeneticDiversity
#UnderstandingGenetics #SmithsonianDebate
#RaceInScience -
Great article on why/how race is a construct. Biological variation exists, though. #blacksky #blacksinstem #savetheSmithsonian #SavetheBlacksonian
#GeneticsAndRace #ScienceOfRace #GeneticDiversity
#UnderstandingGenetics #SmithsonianDebate
#RaceInScience -
Great article on why/how race is a construct. Biological variation exists, though. #blacksky #blacksinstem #savetheSmithsonian #SavetheBlacksonian
#GeneticsAndRace #ScienceOfRace #GeneticDiversity
#UnderstandingGenetics #SmithsonianDebate
#RaceInScience -
Great article on why/how race is a construct. Biological variation exists, though. #blacksky #blacksinstem #savetheSmithsonian #SavetheBlacksonian
#GeneticsAndRace #ScienceOfRace #GeneticDiversity
#UnderstandingGenetics #SmithsonianDebate
#RaceInScience -
In addition to losing species, and losing habitat, we are losing genetic diversity. This is important for conservation- just when we are causing the environment to change rapidly we are taking the tools necessary for adaptation away from the other species we share this world with.
Global meta-analysis shows action is needed to halt genetic diversity loss
https://www.nature.com/articles/s41586-024-08458-x
#BiodiversityConservation #GeneticDiversity #Conservation #openaccess #Evolution -
There is a “background level of genetic diversity loss across species”.
Biodiversity continues to be lost worldwide at unprecedented rates
"Genetic diversity loss occurs globally and is a realistic prediction for many species, especially birds and mammals, in the face of threats such as land use change, disease, abiotic natural phenomena and harvesting or harassment. Conservation strategies designed to improve environmental conditions, increase population growth rates and introduce new individuals (for example, restoring connectivity or performing translocations) may maintain or even increase genetic diversity. Our findings underscore the urgent need for active, genetically informed conservation interventions to halt genetic diversity loss."
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Shaw, R.E., Farquharson, K.A., Bruford, M.W. et al. Global meta-analysis shows action is needed to halt genetic diversity loss. Nature (2025). https://doi.org/10.1038/s41586-024-08458-x
#biodiversity #extinctions #loss #GBF #GeneticDiversity #wildlife #birds #mammals #HabitatGrab #humanImpact #harassment #OnGroundConservation #conservation -
@PeerCommunityIn Interesting study. Connecting urban nature to the nature living around cities is important. “This should encourage urban planners to pay attention to the areas promoting dispersal movements between urban habitats (e.g.,UGS) and peri-urban habitats (e.g.,forests), rather than among urban habitats, when managing urban biodiversity.”
#ecology #UrbanEcology #dispersal #GeneticDiversity #dispersal
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The Tyee: Preserving the Complexity of Sea Life Is Vital. Where’s Canada? https://thetyee.ca/Analysis/2023/10/17/Preserving-Complexity-Sea-Life-Vital/ #bcnews #TheTyee - via @[email protected] #Kunming-MontrealGlobalBiodiversityFramework #globalseasurfacetemperatures #biodiversityconservation #oceansurfacetemperatures #ecosystemcarbonstorage #marinebiodiversity #biodiversityloss #geneticdiversity #Antarcticseaice #portfolioeffect #coralbleaching #marineheatwave #oceanheating #ElNiño #LaNiña
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Humans were on the brink of extinction in the last one million years. Approximately 99% of our ancient human ancestors may have become extinct approximately 930,000 years ago. This critical event led to a significant reduction in the human population, with estimates suggesting that only around 1,300 individuals survived this challenging period, which lasted for about 120,000 years.
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CRFA - The changing agribusiness climate: Corporate concentration, agricultural inputs, innovation, and climate change
Pat Mooney
ETC Group#Agricultural #Biodiversity #Agroecology #BigData #ClimateChange #ClimateSmart #Agriculture #CorporateConcentration #Crops #GeneticDiversity #IndustrialFood #FoodChain #Innovation #Livestocks #Oligopoly #PeasantFood #FoodWeb #Seeds
#OpenAccess #KnowledgeSharing #OpenScholarship
https://canadianfoodstudies.uwaterloo.ca/index.php/cfs/article/view/107
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@SecularJeffrey @adriennelacava @the_real_hal
Yes, #MexicanGrayWolf is the most #endangered sub species of wolves in the world. They lack #GeneticDiversity & it’s critical for them to be able to pass freely between the US & Mexico. Trump & his #BorderWall put the species into even greater peril. One wolf was observed pacing at the wall for 23 miles, unable to continue south. -
Reflecting on 2022 & sharing my science highlights. In a difficult year I was really happy to see these papers published:
Bringing together approaches to reporting on within species genetic diversity
https://besjournals.onlinelibrary.wiley.com/doi/10.1111/1365-2664.14225Global genetic diversity status and trends: towards a suite of Essential Biodiversity Variables (EBVs) for genetic composition
https://onlinelibrary.wiley.com/doi/full/10.1111/brv.12852 -
CW: Seed saving, motherhood, preppers
Really beautiful piece by Kea Krause on seed-saving, motherhood, and thinking about seeds with hope, not doom. Beautiful photos by Levon Biss. It will inspire my gardening; I saved seeds from an extra delicious melon, more to come. https://orionmagazine.org/article/seedsavers/
#seeds #SeedSwap #SeedSaving #SeedSystems #SeedExchange #SeedGrowing #motherhood #Doomsday #preppers #ClimateChange #agriculture #FutureOfFood #GeneticDiversity #Gardening #MaryOliver #KeaKrause #LevonBiss
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New #preprint, comments & suggestions welcome on Authorea
Monitoring status & trends in genetic diversity for the Convention on Biological Diversity: an ongoing assessment of genetic indicators in 9 countries https://doi.org/10.22541/au.166627692.27077414/v1
Key points:
- genetic data are not needed
- proxy data (population size, loss of poplns) are available
- monitoring approach is flexible to a country's existing biodiversity systems#conservation #genetics #GeneticDiversity #ConservationGenetics #monitoring #GBF
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I am also interested in #Anopheles #mosquitoes that transmit #Plasmodium parasites which cause #malaria. I study #PopulationGenomics of these #vectors to find #CrypticSpecies and signals of #NaturalSelection which sometimes turns out to be not so natural (e.g. caused by #insecticides). Understanding patterns of #GeneticDiversity in these insects can help us better control them.
🦟 -
So here's my #introduction:
I'm a #PhD student at Oxford Uni, looking at differences in #GeneticDiversity btw planted trees and their offspring of two non-native conifer species to the UK - #Douglasfir and #WesternRedCedar.
I developed #bioinformatics approaches for the genetic analysis of half brothers of holm oaks and cork oaks. Before this, I studied the levels of genetic #hibridisation between two white oak species.
I love oaks 🌳
I enjoy #basketball #climbing and every sport :)
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Sharing our new #ConservationGenetics preprint: Monitoring status and trends in #GeneticDiversity for the Convention on Biological Diversity: an ongoing assessment of genetic indicators in nine countries
https://doi.org/10.22541/au.166627692.27077414/v1- Monitoring & reporting on genetic diversity are affordable & feasible
- Genetic data are not needed: proxy data (population census & populations lost) can be used
- The approach is well documented & flexible to existing #biodiversity systems -
Intéressés par la diversité génétique ou diversité intra-espèce ?
Pierre Edouard Guerin vous la fait découvrir ainsi que la première carte génétique des poissons qu'il a aidé à publier
#GeneticDiversity #BarcodeOfLife #DataAggregation
https://bioinfo-fr.net/la-premiere-carte-de-la-diversite-genetique-des-poissons-publiee