Soil scientist, earthworm ecologist, academic at University of Yorkhttps://bsky.app/profile/markehodson.bsky.socialhttps://bsky.app/profile/markehodson.bsky.social/post/3mu2fbok6bc2sDelighted that Anna Gilbert's first PhD paper is now available online (or DM me for a copy) https://authors.elsevier.com/c/1ngejzLNSrP-l It quantifies how #microplastics become increasingly difficult to identity by FTIR or Raman as they weather, potentially leading to underestimates of MP loads.27 Aug 2026 08:06 +0000at://did:plc:m3c3y67nxbeugcsferbyrmuu/app.bsky.feed.post/3mu2fbok6bc2shttps://bsky.app/profile/markehodson.bsky.social/post/3mlo4p4b6js25I think my career just peaked12 May 2026 15:39 +0000at://did:plc:m3c3y67nxbeugcsferbyrmuu/app.bsky.feed.post/3mlo4p4b6js25https://bsky.app/profile/markehodson.bsky.social/post/3mhuto5eno22gStill time to apply for this #NERC funded #PhD on #biosolids and #biochar. Please forward to anyone who might be interested. They can email me (mark.hodson@york.ac.uk) for details. Funding is for UK nationals only I'm afraid. https://www.findaphd.com/phds/project/is-biochar-production-the-answer-to-biosolid-reuse/?p18944525 Mar 2026 10:05 +0000at://did:plc:m3c3y67nxbeugcsferbyrmuu/app.bsky.feed.post/3mhuto5eno22ghttps://bsky.app/profile/markehodson.bsky.social/post/3mgdmth2o7k26Great to hear "A life without worms" broadcast last week on BBC Radio4 with Alan Davies and Sandra Salazar D’eca from go-grow.org.uk/our-story/ What would happen if #earthworms disappeared? You can find out here https://www.bbc.co.uk/sounds/play/m002rt0y05 Mar 2026 20:22 +0000at://did:plc:m3c3y67nxbeugcsferbyrmuu/app.bsky.feed.post/3mgdmth2o7k26https://bsky.app/profile/markehodson.bsky.social/post/3mgau7jejnc26Good to chat #earthworms and #flooding with Michael Berenbrink, Kristian Daly, Megan Klaar, Qiuyu Zhu and Ben Pile today as part of our #Leverhulme Trust funded project - Sink or Swim04 Mar 2026 17:56 +0000at://did:plc:m3c3y67nxbeugcsferbyrmuu/app.bsky.feed.post/3mgau7jejnc26https://bsky.app/profile/markehodson.bsky.social/post/3mg6khdk6bs2fTonight's "Worm moon" - so called as it's the first moon of Spring and is supposed to mark the time when earthworms become active again after the colder winter months. The earthworms that we've been sampling obviously haven't read the script!03 Mar 2026 19:56 +0000at://did:plc:m3c3y67nxbeugcsferbyrmuu/app.bsky.feed.post/3mg6khdk6bs2fhttps://bsky.app/profile/markehodson.bsky.social/post/3m57nskyho22mA final #NERC #funded #PhD project to advertise - this one asks the question: How will #earthworms survive as #droughts become increasingly common with a changing climate. Please DM me if interested and circulate to possible candidates. More info. https://www.findaphd.com/phds/project/earthworms-and-climate-change-earthworm-energetic-and-population-responses-to-drought-frequency-and-duration/?p19024309 Nov 2025 17:42 +0000at://did:plc:m3c3y67nxbeugcsferbyrmuu/app.bsky.feed.post/3m57nskyho22mhttps://bsky.app/profile/markehodson.bsky.social/post/3m4tam4inls2gAnd another #NERC funded #PhD that I'm involved with - this one led out of @UK_CEH and Sam Harrison that involves comparing #regenerative agriculture and #conventional #farming. Details are here: https://www.findaphd.com/phds/project/farming-futures-comparing-regenerative-and-conventional-practices-on-soil-chemical-use-and-ecosystems-in-a-changing-climate/?p18980004 Nov 2025 19:14 +0000at://did:plc:m3c3y67nxbeugcsferbyrmuu/app.bsky.feed.post/3m4tam4inls2ghttps://bsky.app/profile/markehodson.bsky.social/post/3m4iewzuzss2dAnother #PhD project, this one led by Ellie Harrison at Sheffield Uni focussing on #legumes, #rhizobia, horizontal gene transfer and, of course, #earthworms https://www.findaphd.com/phds/project/acce-dla-programme-engineering-underground-ecosystems-for-sustainable-legume-production/?p18981331 Oct 2025 11:32 +0000at://did:plc:m3c3y67nxbeugcsferbyrmuu/app.bsky.feed.post/3m4iewzuzss2dhttps://bsky.app/profile/markehodson.bsky.social/post/3m4i4sp4yec2gDoes converting #biosolids to #biochar maintain their benefits as a #soil amendment whilst minimising any residual risk due to #contaminants? We are recruiting to a #NERC Ecosolutions #PhD. Please share and DM me for more information if interested. shorturl.at/ldwVW https://shorturl.at/ldwVW31 Oct 2025 09:07 +0000at://did:plc:m3c3y67nxbeugcsferbyrmuu/app.bsky.feed.post/3m4i4sp4yec2ghttps://bsky.app/profile/markehodson.bsky.social/post/3lupgz5mozs2nGreat to see Xiao Xiao at University of York for graduation for her PhD yesterday. You can find her thesis papers on #earthworms #microplastics and #cadmium at https://www.sciencedirect.com/science/article/abs/pii/S0045653525000025 and https://www.sciencedirect.com/science/article/pii/S0147651324008224?via%3Dihub24 Jul 2025 11:36 +0000at://did:plc:m3c3y67nxbeugcsferbyrmuu/app.bsky.feed.post/3lupgz5mozs2nhttps://bsky.app/profile/markehodson.bsky.social/post/3luipngmlbs2kKids are growing up with climate change, but aren't learning about it in school! 🤯 Let's demand climate education for every UK child. Sign the petition: https://you.38degrees.org.uk/petitions/teach-children-in-the-uk-how-to-help-the-planet?source=bluesky-share-button&utm_campaign=blast126938&utm_medium=socialshare&utm_source=bluesky&share=699f4571-5b7c-4f64-ae8a-a2b53a7c65f721 Jul 2025 19:22 +0000at://did:plc:m3c3y67nxbeugcsferbyrmuu/app.bsky.feed.post/3luipngmlbs2khttps://bsky.app/profile/markehodson.bsky.social/post/3lrbpahhzps2iCongrats to Zheng Fang on his latest PhD paper. This one shows that #microplastics can reduce the toxicity of salinity to #earthworms and that salinity is a more significant environmental challenge to earthworms than microplastics. https://authors.elsevier.com/c/1lEy415DSlZJBx10 Jun 2025 20:11 +0000at://did:plc:m3c3y67nxbeugcsferbyrmuu/app.bsky.feed.post/3lrbpahhzps2ihttps://bsky.app/profile/markehodson.bsky.social/post/3lmtx5oddb22n#postdoc #job opportunity for a #hydrological #modeller working with Dr Megan Klaar, River Basin Processes and Management research group at University of Leeds as part of our #earthworms and #flooding @leverhulme.ac.uk funded project. Job details are at: https://jobs.leeds.ac.uk/Vacancy.aspx?ref=ENVGE126715 Apr 2025 11:14 +0000at://did:plc:m3c3y67nxbeugcsferbyrmuu/app.bsky.feed.post/3lmtx5oddb22nhttps://bsky.app/profile/markehodson.bsky.social/post/3lkg6dmlaoc2xCelebratory post-viva beers celebrating with James MacDonald of Queen Mary together with internal Andrew Leitch and supervisors @anneropiquet.bsky.social and Huw Jones. James' biogeochemical adventure continues next month when he starts at Bristol working with Penny Johnes15 Mar 2025 12:55 +0000at://did:plc:m3c3y67nxbeugcsferbyrmuu/app.bsky.feed.post/3lkg6dmlaoc2xhttps://bsky.app/profile/markehodson.bsky.social/post/3ljrrzodjz227#job for a Technician in the Biology dept at the University of York and working with myself at @uoyenvironment.bsky.social on projects to improve nutrient retention, water retention, and carbon sequestration in soils: gathering and analysing data. Apply by 30/3/2025. https://jobs.york.ac.uk/vacancy/technician-580171.html07 Mar 2025 10:22 +0000at://did:plc:m3c3y67nxbeugcsferbyrmuu/app.bsky.feed.post/3ljrrzodjz227https://bsky.app/profile/markehodson.bsky.social/post/3lgsozaqwa22eLatest NERC rejection in. Any thoughts on who might fund research into mechanisms by which #earthworms boost #plant growth as a follow up to this study https://www.sciencedirect.com/science/article/pii/S0016706123001039 and as a means to identify methods to try and reduce fertiliser inputs welcome!28 Jan 2025 14:45 +0000at://did:plc:m3c3y67nxbeugcsferbyrmuu/app.bsky.feed.post/3lgsozaqwa22ehttps://bsky.app/profile/markehodson.bsky.social/post/3lgbnrmczjk2kA good days sampling on the River Swale floodplain with #EcoWild PGR Mahmuda Islam21 Jan 2025 20:08 +0000at://did:plc:m3c3y67nxbeugcsferbyrmuu/app.bsky.feed.post/3lgbnrmczjk2khttps://bsky.app/profile/markehodson.bsky.social/post/3lfa3uszkh222First paper of the year out today - 2nd paper from Xiao Xiao's PhD. We show that natural weathering of #microplastics increases potential sorption of Cd to them, that #biofilm development is important in this and that PLA (a biodegradable plastic) is more sorptive than PE. https://www.sciencedirect.com/science/article/pii/S0045653525000025?dgcid=coauthor08 Jan 2025 11:49 +0000at://did:plc:m3c3y67nxbeugcsferbyrmuu/app.bsky.feed.post/3lfa3uszkh222https://bsky.app/profile/markehodson.bsky.social/post/3lf6j34kjns2bJob Alert - a 1 year PDRA position as part of our LeverhulmeTrust funded #earthworm project "Sink or Swim" is available working with Dr Michael Berenbrink, University of Liverpool investigating haemoglobin levels in earthworms. Closing date-31st Jan 2025 https://my.corehr.com/pls/ulivrecruit/erq_jobspec_version_4.display_form?p_company=1&p_internal_external=E&p_display_in_irish=N&p_process_type=&p_applicant_no=&p_form_profile_detail=&p_display_apply_ind=Y&p_refresh_search=Y&p_recruitment_id=08833307 Jan 2025 20:40 +0000at://did:plc:m3c3y67nxbeugcsferbyrmuu/app.bsky.feed.post/3lf6j34kjns2bhttps://bsky.app/profile/markehodson.bsky.social/post/3lezoombvlc2pStill not quite ready for the holidays to end!05 Jan 2025 22:37 +0000at://did:plc:m3c3y67nxbeugcsferbyrmuu/app.bsky.feed.post/3lezoombvlc2phttps://bsky.app/profile/markehodson.bsky.social/post/3ld7caoq4rs2tCongrats to Sammani Ramanayaka of Lancaster Environment Centre for successfully defending her thesis on impacts of #microplastics and plasticisers on soil microbia with myself and @john-quinton.bsky.social examining. In all the excitement I forgot to take a photo so here's a party popper instead! https://media.tenor.com/_vHBGDkqwA0AAAAC/usagyuuun-party.gif?hh=434&ww=49813 Dec 2024 17:20 +0000at://did:plc:m3c3y67nxbeugcsferbyrmuu/app.bsky.feed.post/3ld7caoq4rs2thttps://bsky.app/profile/markehodson.bsky.social/post/3ld2srsd2t22rCouldn't make it to #BES2024 but we had a busy day using all eight hours of daylight (and a final sample supplemented by torch light) sampling with Ben at Church Farm AHDB / ADAS legume and compost trials to try and boost #earthworm populations. Here's Ben with an earthworm for scale.11 Dec 2024 22:33 +0000at://did:plc:m3c3y67nxbeugcsferbyrmuu/app.bsky.feed.post/3ld2srsd2t22rhttps://bsky.app/profile/markehodson.bsky.social/post/3lcwzt5ktrs2rOff sampling tomorrow for #earthworms in water logged soils as part of our @LeverhulmeTrust funded earthworms and #flooding project. Mustard tin for scale?10 Dec 2024 10:28 +0000at://did:plc:m3c3y67nxbeugcsferbyrmuu/app.bsky.feed.post/3lcwzt5ktrs2rhttps://bsky.app/profile/markehodson.bsky.social/post/3lbub3kkn4c2oLake Tadcaster now back - will be interesting to re-survey the #earthworms once the #flooding recedes as part of our @LeverhulmeTrust project on #earthworms, #flooding and #climate change. [contains quote post or other embedded content]26 Nov 2024 14:35 +0000at://did:plc:m3c3y67nxbeugcsferbyrmuu/app.bsky.feed.post/3lbub3kkn4c2ohttps://bsky.app/profile/markehodson.bsky.social/post/3lbtvw4f2ok2wPlease share with potentially interested students-I am advertising a #PhD studying #earthworms and #drought. Full advert here: https://www.findaphd.com/phds/project/if-it-gets-too-dry-do-earthworms-die-earthworm-energetic-and-population-responses-to-drought-frequency-and-duration/?p178512 There is a webinar at 1400 UK time on Tues 3rd Dec. for interested applicants. Register via this form https://docs.google.com/forms/d/e/1FAIpQLSeFXEtECnR1HQqbTlK15xhBKBSbz3y1S3gjlC2zcOsmmyTLOQ/viewform26 Nov 2024 11:15 +0000at://did:plc:m3c3y67nxbeugcsferbyrmuu/app.bsky.feed.post/3lbtvw4f2ok2whttps://bsky.app/profile/markehodson.bsky.social/post/3lbjx6ywnh22xCongrats to Jianting Feng from @LeedsUniCivil for a good defence on his thesis on metal speciation in sewage sludge on Wednesday. Really enjoyable viva with Jianting and Miller Camargo-Valero. Thesis papers already available https://link.springer.com/article/10.1007/s11356-024-34784-8 https://link.springer.com/article/10.1007/s11157-023-09675-y22 Nov 2024 12:11 +0000at://did:plc:m3c3y67nxbeugcsferbyrmuu/app.bsky.feed.post/3lbjx6ywnh22xhttps://bsky.app/profile/markehodson.bsky.social/post/3lajhjgsx4d2kAnd so they were [contains quote post or other embedded content]09 Nov 2024 14:06 +0000at://did:plc:m3c3y67nxbeugcsferbyrmuu/app.bsky.feed.post/3lajhjgsx4d2khttps://bsky.app/profile/markehodson.bsky.social/post/3lajhi2kwqk23Evidence of #earthworms - we know you're in there09 Nov 2024 14:05 +0000at://did:plc:m3c3y67nxbeugcsferbyrmuu/app.bsky.feed.post/3lajhi2kwqk23