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searching for Bioturbation 68 found (236 total)

Soom Shale (647 words) [view diff] exact match in snippet view article find links to article

soft-tissue in fossil material. Deposited in still waters, the unit lacks bioturbation, perhaps indicating anoxic conditions. It overlies the Pakhuis tillite

Asteriacites (295 words) [view diff] exact match in snippet view article find links to article

('Asteriacites beds') are considered proxies for marine settings, low bioturbation intensity, shallow tiering, high sedimentation rate and/or event-bed

Burgess Shale-type preservation (4,584 words) [view diff] exact match in snippet view article find links to article

before it is rotted. Anoxia can prevent decay, but the prevalence of bioturbation associated with body fossils indicates that many BS sites were oxygenated

Harwich Formation (715 words) [view diff] exact match in snippet view article find links to article

Unit B consists of fine-grained sand with layers of clay, affected by bioturbation. The Wrabness Member reaches a maximum thickness of 24 m. The Oldhaven

Stonelayer (1,489 words) [view diff] exact match in snippet view article find links to article

by bioturbation via pocket gophers (Thomomys bottae). American Antiquity, v. 54, pp. 292 326. Johnson, D.L. 2002. Darwin would be proud: Bioturbation, dynamic

Mark A. Lever (690 words) [view diff] exact match in snippet view article find links to article

addition, his research group is investigating the impact of macrofaunal bioturbation on microbial community structure and the sedimentary carbon cycle, the

Dark earth (1,200 words) [view diff] exact match in snippet view article find links to article

paradigm that chernozems are zonal soils with climate, parent material and bioturbation dominating soil formation, and introduce fire as a novel, important factor

Early Triassic (4,079 words) [view diff] exact match in snippet view article find links to article

boundary. The regional prevalence of MISS is attributable to a decrease in bioturbation and grazing pressure as a result of aridification and temperature increase

Biogeomorphology (1,481 words) [view diff] exact match in snippet view article find links to article

then moves towards topics related to geomorphology, pedogenesis, and bioturbation. Observations and measurements of soil moved by earthworms, and emphasis

Le Regourdou (926 words) [view diff] exact match in snippet view article find links to article

Madelaine; B. Maureille (2017). "Rabbits in the grave! Consequences of bioturbation on the Neanderthal "burial" at Regourdou (Montignac-sur-Vézère, Dordogne)"

Holothuria scabra (2,081 words) [view diff] exact match in snippet view article find links to article

ISSN 1469-7769. S2CID 86038410. Purcell, Steven (2004). Rapid growth and bioturbation activity of the sea cucumber Holothuria scabra in earthen ponds. Australasian

Sediment Profile Imagery (8,663 words) [view diff] exact match in snippet view article find links to article

for quantifying ophiuroid bioturbation. Diaz and Cutter (2001) used the same method for quantifying polychaete bioturbation through transient burrow formation

Taoheodon (1,560 words) [view diff] exact match in snippet view article find links to article

lake-shore habitats that preserve vertical burrows and rich, intensive bioturbation by aquatic organisms. Plant remains include Ningxiaites specialis, a

Chernozem (1,473 words) [view diff] exact match in snippet view article find links to article

paradigm that chernozems are zonal soils with climate, parent material and bioturbation dominating soil formation, and introduce fire as a novel, important factor

Posidonia Shale (7,721 words) [view diff] exact match in snippet view article find links to article

bituminous horizons found throughout southwest Germany. Gradually, the bioturbation of the seegrasschiefer merges into the subsequent ash-gray marls without

Leptuca thayeri (1,114 words) [view diff] exact match in snippet view article find links to article

their spoon-tipped setae. This division of sediment grain allows for the bioturbation of sediments which allows oxygen penetration at depth and remineralization

Deadwood Formation (706 words) [view diff] exact match in snippet view article find links to article

pinkish-red Cambrian Deadwood Sandstone float shows clear evidence of bioturbation and worm burrows. Exposed from an outcrop off SD 44, west of Rapid City

Deadwood Formation (706 words) [view diff] exact match in snippet view article find links to article

pinkish-red Cambrian Deadwood Sandstone float shows clear evidence of bioturbation and worm burrows. Exposed from an outcrop off SD 44, west of Rapid City

Potsdam Sandstone (1,344 words) [view diff] exact match in snippet view article find links to article

2011 Thomas W. Bjerstedt and J. Mark Erickson (1989), Trace Fossils and Bioturbation in Peritidal Facies of the Potsdam-Theresa Formations (Cambrian-Ordovician)

Calcare di Cellina (332 words) [view diff] exact match in snippet view article find links to article

stylolites and rare requienids; the bed surfaces present mud cracks, bioturbation due to burrowing organisms and pedogenetic breccias (sometimes with black

Soil production function (468 words) [view diff] exact match in snippet view article find links to article

"Exploring pedogenesis via nuclide-based soil production rates and OSL-based bioturbation rates" (PDF). Australian Journal of Soil Research. 43 (6): 767–779. doi:10

Mima mounds (3,314 words) [view diff] exact match in snippet view article find links to article

Donald Lee (1 January 2012). Mima Mounds: The Case for Polygenesis and Bioturbation. Geological Society of America. pp. 70–. ISBN 978-0-8137-2490-4. Cox

Skolithos (1,687 words) [view diff] exact match in snippet view article find links to article

suspension-feeding habits of burrowing genera. The high intensity of bioturbation of these organisms indicate the shallow water paleoenvironment in which

Mary L. Droser (694 words) [view diff] exact match in snippet view article find links to article

University of California, Riverside Thesis Trends in Extant and Depth of bioturbation in Great Basin Precambrian-Ordovician Strata, California, Nevada and

Muav Limestone (1,642 words) [view diff] exact match in snippet view article find links to article

burrows and trails and Girvanella-like structures (oncolites). Pervasive bioturbation of the calcareous sediment is responsible for the mottled appearance

Stone line (424 words) [view diff] exact match in snippet view article find links to article

lines, stone zones, artifact-manuport layers, and biomantles produced by bioturbation via pocket gophers (Thomomys bottae). American Antiquity 54: 292-326

Sorthat Formation (6,346 words) [view diff] exact match in snippet view article find links to article

delta plain environments were replaced by shoreface setting with active bioturbation and hummocky cross-stratification. The Rǿnne Graben shows seismic lines

Holothuria whitmaei (627 words) [view diff] exact match in snippet view article find links to article

Brenton (2010). "Aggregations and temporal changes in the activity and bioturbation contribution of the sea cucumber Holothuria whitmaei (Echinodermata:

Pako Guyot (1,134 words) [view diff] exact match in snippet view article find links to article

Minfang; Qiu, Yusheng (February 2020). "Enhanced but highly variable bioturbation around seamounts in the northwest Pacific". Deep Sea Research Part I:

Grand-Auverné Formation (138 words) [view diff] exact match in snippet view article find links to article

with fine laminations, fossiliferous nodules, and occasional lenticles, bioturbation, sand and pyrite. The following fossils were reported from the formation:

Permian–Triassic extinction event (40,784 words) [view diff] exact match in snippet view article find links to article

taphonomic consequence of increased and deeper bioturbation erasing evidence of shallower bioturbation. Ichnological evidence suggests that recovery and

Geomorphology (5,971 words) [view diff] exact match in snippet view article find links to article

Emmanuel J.; Reichman, O.J.; Seabloom, Eric W. (May 2003). "The Effects of Bioturbation on Soil Processes and Sediment Transport". Annual Review of Earth and

Humus form (987 words) [view diff] exact match in snippet view article find links to article

allowing nutrient release, preventing immobilization, and encouraging high bioturbation. Moreover, a relatively complete decomposition relates to more completely

Tilth (1,744 words) [view diff] exact match in snippet view article find links to article

engineering earthworks. For comparison globally, the natural process of soil bioturbation by plant roots and earthworms, was estimated at 960 km3/yr. Mechanical

Lake Magadi (942 words) [view diff] exact match in snippet view article find links to article

Bernhart; Behrensmeyer, Anna K.; Scott, Jennifer J. (2020-04-22). "Animal bioturbation preserved in Pleistocene magadiite at Lake Magadi, Kenya Rift Valley

Dung beetle (4,666 words) [view diff] exact match in snippet view article find links to article

biodiversity and ecosystem functioning, such as seed dispersal, soil bioturbation and nutrient cycling. An earth-boring dung beetle working A dung beetle

Bergaueria (212 words) [view diff] exact match in snippet view article find links to article

; Bottjer, David J.; Corsetti, Frank A. (2023). "Ediacaran–Cambrian bioturbation did not extensively oxygenate sediments in shallow marine ecosystems"

Elaiyur (560 words) [view diff] exact match in snippet view article find links to article

after deposition (secondary fabrics) of the sediments as a result of bioturbation, compaction and tectonic disturbances (Rees 1961). Magnetic samples of

Heuweltjie (883 words) [view diff] exact match in snippet view article find links to article

Johnson (1 January 2012). Mima Mounds: The Case for Polygenesis and Bioturbation. Geological Society of America. pp. 70–. ISBN 978-0-8137-2490-4. Whitford

Sea cucumber (6,701 words) [view diff] exact match in snippet view article find links to article

cucumbers play a major role in the biological processing of the sea bed (bioturbation, purge, homogenization of the substratum etc.). The mouth of Euapta godeffroyi

Yan Zheng (1,237 words) [view diff] exact match in snippet view article find links to article

(2002-05-15). "Remobilization of authigenic uranium in marine sediments by bioturbation". Geochimica et Cosmochimica Acta. 66 (10): 1759–1772. Bibcode:2002GeCoA

Stream metabolism (620 words) [view diff] exact match in snippet view article find links to article

Holtgrieve, Gordon W.; Schindler, Daniel E., "Marine-derived nutrients, bioturbation, and ecosystem metabolism: reconsidering the role of salmon in streams"

Permian (11,952 words) [view diff] exact match in snippet view article find links to article

Qiangtang Basin of Tibet, enormous seasonal variation in sedimentation, bioturbation, and ichnofossil deposition recorded in sedimentary facies in the Sydney

Aluminium (14,842 words) [view diff] exact match in snippet view article find links to article

Cárdenes, Victor; Martínez, Angel T.; Jesús Martínez, Maria (2001). "Fungal bioturbation paths in a compact disk". Short Communication. Naturwissenschaften. 88

Mesozoic marine revolution (2,204 words) [view diff] exact match in snippet view article find links to article

Manojlovic, Marko; Clapham, Matthew E. (23 November 2020). "The role of bioturbation-driven substrate disturbance in the Mesozoic brachiopod decline". Paleobiology

Holothuria grisea (1,491 words) [view diff] exact match in snippet view article find links to article

sifting through sediment while feeding. This results in high levels of bioturbation which is important to the ecosystem. They release inorganic phosphorus

Mangrove crab (2,904 words) [view diff] exact match in snippet view article find links to article

emphasis on substrate origin, degradation kinetics, and the role of bioturbation". Geochimica et Cosmochimica Acta. 65 (3): 419–433. Bibcode:2001GeCoA

Rotzo Formation (4,599 words) [view diff] exact match in snippet view article find links to article

down to the lagoonal, marly-clayey assigned strata, suggesting intense bioturbation by large unknown organisms, perhaps giant decapod crustaceans (Probably

Noise pollution (11,128 words) [view diff] exact match in snippet view article find links to article

changes in physiological processes which results in irregularity of bioturbation behavior. These invertebrates play an important role in transporting

East Wenatchee Clovis Site (1,163 words) [view diff] exact match in snippet view article find links to article

irrigation water affect bone still in the ground? And what about ongoing bioturbation, the disturbance caused by roots and rodents? The site in the orchard

Zostera capensis (577 words) [view diff] exact match in snippet view article find links to article

pollution and sedimentation also present major threats to Z. capensis; bioturbation also poses a negative impact on populations with lower biomass and highly

European rabbit (9,874 words) [view diff] exact match in snippet view article find links to article

Maureille, Bruno (1 September 2017). "Rabbits in the grave! Consequences of bioturbation on the Neandertal "burial" at Regourdou (Montignac-sur-Vézère, Dordogne)"

Great Ordovician Biodiversification Event (3,723 words) [view diff] exact match in snippet view article find links to article

Benthic environments drastically increase in the amount and variety of bioturbation. The planktonic realm was invaded as never before, with several invertebrate

Abyssal plain (9,036 words) [view diff] exact match in snippet view article find links to article

in great numbers and greatly increase animal diversity due to their bioturbation and provision of living habitat for small animals. While similar lifeforms

Ocean Networks Canada (3,244 words) [view diff] exact match in snippet view article find links to article

Robert, K; Juniper, SK (7 May 2012). "Surface-sediment bioturbation quantified with cameras on the NEPTUNE Canada cabled observatory". Marine

Objections to evolution (17,400 words) [view diff] exact match in snippet view article find links to article

summarizes: "What it was was environmental changes, in particular the bioturbation revolution caused by the evolution of worms that released buried nutrients

Messel Formation (3,196 words) [view diff] exact match in snippet view article find links to article

many epifaunal and infaunal species from inhabiting this niche and thus bioturbation was kept at a minimum. Overturn of the lake layers (caused by seasonal

Paleobiota of the Posidonia Shale (13,452 words) [view diff] exact match in snippet view article find links to article

either suggest ichthyosaurs were preserved immediately below one such bioturbation horizon or scavenger association. The know specimens of Toarcocephalus

Cañadón Asfalto Formation (5,710 words) [view diff] exact match in snippet view article find links to article

Echinoidea, leaf remains (Elatocladus hallei; Conifers) and traces of bioturbation (ichnogenera Rhizocorallium and Lapispira), indicating that at this time

Plastivore (1,538 words) [view diff] exact match in snippet view article find links to article

Cárdenes, Victor; Martínez, Angel T.; Martínez, Maria (2001). "Fungal bioturbation paths in a compact disk". Naturwissenschaften. 88 (8): 351–354. Bibcode:2001NW

Besano Formation (5,831 words) [view diff] exact match in snippet view article find links to article

rare. These major dolomite or shale layers show very little evidence of bioturbation or disturbance. Pyrite is present but uncommon, likely a consequence

Sinotaia quadrata (3,637 words) [view diff] exact match in snippet view article find links to article

Jinyong; Liu, Xiasong (2011). "The Impact of Snail (Bellamya aeruginosa) Bioturbation on Sediment Characteristics and Organic Carbon Fluxes in an Eutrophic

2020 in paleontology (23,560 words) [view diff] exact match in snippet view article find links to article

S2CID 225430320. Alison T. Cribb; David J. Bottjer (2020). "Complex marine bioturbation ecosystem engineering behaviors persisted in the wake of the end-Permian

Schevenhütte Quarry (3,455 words) [view diff] exact match in snippet view article find links to article

stratification on the surfaces of the rocks (see pictures). A very dense bioturbation prevails. Sedimentation of the ribbon shale occurred on a shallow marine

Aganane Formation (4,128 words) [view diff] exact match in snippet view article find links to article

Université de Grenoble). Hertweck, G.; Wehrmann, A.; Liebezeit, G. (2007). "Bioturbation structures of polychaetes in modern shallow marine environments and their

Úrkút Manganese Ore Formation (3,465 words) [view diff] exact match in snippet view article find links to article

own Úrkút and Eplieny Basins, related to open marine conditions where bioturbation is scarce, but there is a great amount of planktonic organisms, associated

Calcaires du Bou Dahar (2,878 words) [view diff] exact match in snippet view article find links to article

maintaining the stable conditions found in lagoons. The presence of bioturbation, mud cracks, and tidal flats illustrates the periodic exposure of the

2024 in paleontology (35,666 words) [view diff] exact match in snippet view article find links to article

presented by Wilson, Reitan & Liow (2024). A study on the history of bioturbation and reef-building throughout the Phanerozoic is published by Cribb &