Top Tweets for #Bioerosion
Marcas producidas por #insectos cretácicos sobre restos de #dinosaurios permiten reinterpretar la historia del yacimiento de #LoHueco (#Cuenca). nuevo trabajo de Z. Belaústegui et al. publicado en Earth-Science Reviews:
▶️ https://t.co/OiJkVymOLh
#bioerosion #insects #dinosaurs
#Bioerosion can be a key process in the #decomposition of organic matter. In general, bioerosion describes the #breakdown of #solid #substances by #livingorganisms. This can include purely inorganic material, such as stone. In the case of the breakdown of solid components associated with #animaltissue, the term decomposition may also be used. The process often remains insufficiently studied, as understanding such complex processes requires specific investigations within specific contexts. Generalizations are frequently difficult to make.
Nevertheless, D. Kaptan et al. (2026) were able to draw broader #conclusions regarding a phenomenon of great importance to archaeologists: the factors determining the state of #preservation of (human) #bones. Bones may be preserved in remarkably good condition or, conversely, may have survived the passage of time very poorly. According to the researchers, the location and conditions of the body's burial play a crucial role in this regard. By analyzing museum specimens of varying ages and origins, they determined that bones #buried inside #buildings, characterized by high #microbialdiversity within their #microbiome, exhibited better preservation. A comparison of samples from buildings versus those from conventional #cemeteries revealed additionally differences in the #bacterial #speciescomposition involved; findings that were derived from #metagenomic #analyses. Consequently, #Streptomyces #bacteria appear to play a significant role in the accelerated decomposition of bones following #soilburial.
© this text Stefan F. Wirth
Reference
D. Kaptan et al. (2026):
https://t.co/x3hZ14spZ4
#Figure:
Examples of bioerosion in the studied #assemblage.
(A) Extensive bioerosion in #sample S10294.17b; no original microstructure is visible. (B) Detail from the same sample as in (A), showing characteristic destructive foci and small areas of well-preserved bone despite intense microbial attack. The arrow indicates a focal destruction surrounded by preserved bone. (C) Well-preserved sample (S14393.104) with no focal destruction observed. (D) Detail of the same sample, showing possible early-stage bioerosion (red ellipses), and (E) the same possible onset of biodegradation seen in sample S14393.80. (F–G) Wedl-type tunneling observed in the mid-cortex of sample S14604.10 at two magnifications. Arrows in (G) indicate individual tunnels. Authors D. Kaptan et al. (2026), licensed under https://t.co/etQ1SDmkZS
What do these 'holes' indicate, considering they are located on a cliff overlooking the sea? They suggest that the relative sea level was higher in the past! These are #bioerosion traces, meaning they were 'etched' into the rock by organisms like bivalves and sponges.
Las #tortugas marinas también enfermaban: bioerosión en caparazones fósiles del #Eoceno, nuevo trabajo de @AG_Paleo et al. publicado recientemente en @fossil_record:
▶️ https://t.co/I2752zRCMe
#bioerosion #marks #marine #turtles
Boring 🦠cyanobacteria sculpt limestone pebbles by dissolving carbonate, creating habitats for insects and bivalves. These bioerosive cycles remove an estimated 0.5–0.8 kg CO₂/m²/yr. #bioerosion #Leptolyngbyaceae #ichnology 📒Wetzel et al. 2025 DOI: 10.1111/gbi.70006
Very pleasing. #bioerosion
... Fig. 2. PCO for ichnogenera (abundance) comparing all ages (Pleistocene 1, Pleistocene 2, Holocene and recent).
Fig.3 Map of San Matías Gulf showing the modern sea surface temperature (SST).
#ichnology #geology #quaternary #bioerosion
Great examples of #bioerosion @MontanaDeOroSP! Burrowing mole rats on the cliffs and high densities of boring sea urchins on the rock platform
🔷 #Bioerosion is an intriguing process that involves the breakdown and removal of hard substrate, such as rock or mineral surfaces, by the biological activities of organisms. Sponges, mollusks, and polychaetes, can bioerode by directly boring into carbonate substrates.
These holes are fossil #bioerosion structures! Ancient molluscs found their way into the stone, leaving behind a record of life's persistence in the face of hard times... literally! A testament to the resilience of life millions of years ago in the #Piacenza Apennine. #Pliocene
and Sebastián Richiano from @CONICETCenpat and she's working with bioerosion trace fossils from Patagonia 🌅🔬🐚🦪. Congratulations, Luly! 🎊🎉
#ichnology #ichnotaxonomy #bioerosion #grants #phdstudent #apaleontologica
https://t.co/GVuvCL1egd
Up @UChicagoPress blog, a delightful conversation with Anthony J. Martin @Ichnologist on LIFE SCULPTED and all things #bioerosion: parrotfish poop, bone-eating deep sea worms, trace fossils, climate change, and more. https://t.co/RH4jnziksz
@rodney_forster Looks like boreholes of piddocks (the large ones) and Boccardia worms (the small keyhole-shaped holes). #bioerosion is an important geomorphological process on chalk and limestone #RockyShores!
#Rockpools littered with chalky #limpet poo! So much #bioerosion going on, helping smooth these pools in contrast to the weathered, jagged & pitted emergent rock surface. #biogeomorphology #rockyshore #fieldwork
Our article looking at an alternative way to measure #bioerosion of bone from short timescales is now available. Huge thanks to @Bonegella for making it possible
#bonediagenesis #forensicanthropology https://t.co/RLk77xieRH
A good start to the day with a spot of #bioerosion
of which both Luciana and Sebastián are members, and @grupo_giss of which Diana is a member. It was also possible to attend virtually to the talk through Zoom 💻😁.
#ichnology #bioerosion #quaternary #paleontology
Great symposium @SPARACinfos #Medsymposium where I’ve the occasion to see friends, meet new ones, listen outstanding talks and have a talk myself about #bioerosion #CTomography #northadriaticsea
Happy Fishy Fishery Friday! 🐠🎣
Check out this stoplight parrotfish grazing on algae!
#fisheriesresearch #fishfactfriday #parrotfish #grazing #bioerosion #coralreefs #fishery #algae #coral #wethereef #caribbean #fishing
🔊*Holy wave-cut platforms*🔊
Ancient #clints + #grikes revealed at low tide at Bull Cliff Rocks, S Glamorgan, Wales
>Lias interbedded sequence of marine mudstones + limestones
>#Bioerosion pits created by generations of limpets #CoastalProcesses #SedimentaryRocks
@BritGeoSurvey
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