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Found 5 results

  1. Common ground, conflicting interests

    mighthavebeensaidbeforeandperhapsmoreleoquently,butthisisinFrench this being the article "Fossiles du Maroc : La relation incestueuse des scientifiques et des trafiquants" The author has fairly recently edited a many-paged volume(600+pages) on the fossil vertebrates of Morocco,which I believe might constitute a state-of-the-art book.I couldn't find a TOC online, but there's at least a chapter on placoderms by Rucklin/Clement(diacritics omitted) ->page ads fairly restrained<- related: morogeoconservaPlan cours André CHARRIERE.pdf the conclusion("a"conclusion?): "Bilan : patrimoine paléontologique d’intérêt mondial ; essentiel des grands bouleversements paléoenvironnementaux, paléoclimatiques et tectoniques mondiaux sont enregistrés dans le géopatrimoine marocain." freely paraphrased: Moroccan geoheritage sites contain a wealth of information on paleoclimate,tectonics,and paleoecology
  2. Hi all, Yesterday I went to the Zandmotor, and I brought back a couple of bones from there (namely an awesome big mammal tooth). I left them tonight just in the living room so that they could dry, but when I came back this morning I had an unpleasant surprise: many of the pieces of bone had started to become white (as seen in the first picture), and the big tooth has started to decompose (as in there are constantly small crumbs of the tooth that are falling off; you can see small black spots next to the tooth in the picture, those are some of those crumbs). I am very worried about this, and wouldn't want my fossils to get damaged. Can anyone tell me how to keep them safely? As in what are some of the best conservation methods? The bones were found on a sandy beach, so I think that salt has a role in this... Please help fast! Happy Easter, Max
  3. " THE BRISTOL DINOSAUR PROJECT – A CONSERVATION AND PREPARATION OVERVIEW" from the Journal of Paleontological Techniques, a Symposium Volume covering the 1st International Conservation Symposium-Workshop. The Bristol Dinosaur Project involved extensive preparation and conservation of a large collection of macro- and microvertebrate fossils. The starting point was some four tonnes of fossiliferous cave-fill breccia, and the laboratory procedures involved a broad range of physical and chemical approaches to reduce this matrix and extract, conserve, and curate the dinosaur bones and microvertebrate remains. The initial state of the remains, and the laboratory procedures followed provide a good case study of historical collections found in many institutions that are in urgent need of care and dedicated work. The program also provided examples of good and bad practice, while training students in laboratory skills. http://www.jpaleontologicaltechniques.org/pasta3/JPT N13/pdf/JPT13_pg_50_64.pdf Have to be patient - takes quite a while to load....
  4. The fossil record suggests specialist species are most vulnerable to dramatic ecological shifts, whether geologic and climatic in nature. Photo by Arjen de Ruiter/Shutterstock BOULDER, Colo., Sept. 27 (UPI) -- Which species are worth saving? Which species will survive global warming? Which will thrive? Conservationists are facing hard questions and tough decisions as they anticipate a warming climate. Some scientists are looking to the fossil record for help. Recently, a team of paleontologists led by Alycia Stigall set out to mine the fossil record for clues as to the future challenges of conservation. Specifically, researchers wanted to know which species are most vulnerable to environmental shifts. To find out, scientists studied the effects of significant climatic and geologic shifts on biodiversity throughout evolutionary history. Their analysis showed ecological changes mostly benefit generalist species, while hurting specialists. Generalists are most successful among large landmasses, where they can spread out across a variety of environs and take advantage of an array of natural resources. Specialists thrive within regions with highly differentiated habitats. Through geologic time, the division of landmasses into smaller islands promoted specialization, while the adjoining of islands into larger landmasses benefited generalists. Because specialists occupy small ecological niches, competing for slices of a relatively small resource pie, their presence corresponds with more rapid speciation and greater biodiversity. The fossil record suggests shifts enabling the territorial expansion of generalists coincided with a reduction in speciation and biodiversity. Given the opportunity, generalists invade the niches of specialists and diminish biodiversity. Naturally, generalists make for the most destructive invasive species. Unfortunately, ecologists expect global warming to encourage the spread of invasive species. The new findings -- recently presented at the annual meeting of the Geological Society of America -- suggest specialist species will need the most help surviving climate change. "Places that are tropical and stable, regions that have similar climate year-round, will likely be impacted the most by invasive species," Stigall explained in a news release. "Data sets for modern species are usually limited in terms of the number of species and years available when talking about biodiversity, so hopefully we can use the fossil record to expand our knowledge and use the past to make informed decisions about the future." http://www.upi.com/Science_News/2016/09/27/Fossils-are-informing-the-future-of-conservation/9631475010661/?spt=su&or=btn_fb
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