Abrupt global shifts in ecosystem states. Olszewski, T. D. Proceedings of the National Academy of Sciences, 112(23):7111–7112, June, 2015. 00000![Abrupt global shifts in ecosystem states [link]](https://bibbase.org/img/filetypes/link.svg "link")
Paper doi abstract bibtex On the face of it, deep-time paleoecology—trying to reconstruct species interactions and the flow of matter and energy in a complex ecosystem using nothing more than the remains of long-extinct organisms—seems like folly. Fossil data are biased, time-averaged residues of once-living systems in which it is impossible to directly observe or experimentally manipulate organism interactions. This is simply the nature of historical data; what happened in the past is done and history cannot be rerun. However, just as the study of human history provides examples to understand political, social, and economic dynamics in the present day, the fossil record provides examples that have much to teach us about how modern ecosystems work. In PNAS, Aberhan and Kiessling (1) use the response of benthic marine molluscan assemblages to a severe global perturbation (the end-Cretaceous mass extinction 66 million years ago) to shed light on the complex dynamics of ecological systems. Aberhan and Kiessling (1) focus on the functional ecology of mollusks from four sites that span half the globe. To have a basis for comparing the fossil assemblages to each other in their pre- and postextinction states, the authors classified all species according to mode of life (e.g., mobile vs. sessile, infaunal vs. epifaunal, carnivorous vs. herbivorous, and so forth). Before the end-Cretaceous extinction, the proportions of species in different modes of life differed among all four sites but were relatively stable for several million years. After the Earth system recovered from the immediate and extreme effects of the extinction-causing event, communities at all four sites displayed decreased taxonomic diversity and changes in the proportions of different modes of life relative to …
@article{olszewski_abrupt_2015,
title = {Abrupt global shifts in ecosystem states},
volume = {112},
issn = {0027-8424, 1091-6490},
shorttitle = {Abrupt global shifts in ecosystem states},
url = {http://www.pnas.org/lookup/doi/10.1073/pnas.1507590112},
doi = {10.1073/pnas.1507590112},
abstract = {On the face of it, deep-time paleoecology—trying to reconstruct species interactions and the flow of matter and energy in a complex ecosystem using nothing more than the remains of long-extinct organisms—seems like folly. Fossil data are biased, time-averaged residues of once-living systems in which it is impossible to directly observe or experimentally manipulate organism interactions. This is simply the nature of historical data; what happened in the past is done and history cannot be rerun. However, just as the study of human history provides examples to understand political, social, and economic dynamics in the present day, the fossil record provides examples that have much to teach us about how modern ecosystems work. In PNAS, Aberhan and Kiessling (1) use the response of benthic marine molluscan assemblages to a severe global perturbation (the end-Cretaceous mass extinction 66 million years ago) to shed light on the complex dynamics of ecological systems.
Aberhan and Kiessling (1) focus on the functional ecology of mollusks from four sites that span half the globe. To have a basis for comparing the fossil assemblages to each other in their pre- and postextinction states, the authors classified all species according to mode of life (e.g., mobile vs. sessile, infaunal vs. epifaunal, carnivorous vs. herbivorous, and so forth). Before the end-Cretaceous extinction, the proportions of species in different modes of life differed among all four sites but were relatively stable for several million years. After the Earth system recovered from the immediate and extreme effects of the extinction-causing event, communities at all four sites displayed decreased taxonomic diversity and changes in the proportions of different modes of life relative to …},
language = {en},
number = {23},
urldate = {2015-06-26},
journal = {Proceedings of the National Academy of Sciences},
author = {Olszewski, Thomas D.},
month = jun,
year = {2015},
note = {00000},
keywords = {biodiversity, boundaries, collapse, regime shifts},
pages = {7111--7112},
file = {Olszewski - 2015 - Abrupt global shifts in ecosystem states.pdf:C\:\\Users\\rsrs\\Documents\\Zotero Database\\storage\\K6PHU9NC\\Olszewski - 2015 - Abrupt global shifts in ecosystem states.pdf:application/pdf}
}
Downloads: 0
{"_id":"PYk2o8We2HsEMub7P","bibbaseid":"olszewski-abruptglobalshiftsinecosystemstates-2015","authorIDs":[],"author_short":["Olszewski, T. D."],"bibdata":{"bibtype":"article","type":"article","title":"Abrupt global shifts in ecosystem states","volume":"112","issn":"0027-8424, 1091-6490","shorttitle":"Abrupt global shifts in ecosystem states","url":"http://www.pnas.org/lookup/doi/10.1073/pnas.1507590112","doi":"10.1073/pnas.1507590112","abstract":"On the face of it, deep-time paleoecology—trying to reconstruct species interactions and the flow of matter and energy in a complex ecosystem using nothing more than the remains of long-extinct organisms—seems like folly. Fossil data are biased, time-averaged residues of once-living systems in which it is impossible to directly observe or experimentally manipulate organism interactions. This is simply the nature of historical data; what happened in the past is done and history cannot be rerun. However, just as the study of human history provides examples to understand political, social, and economic dynamics in the present day, the fossil record provides examples that have much to teach us about how modern ecosystems work. In PNAS, Aberhan and Kiessling (1) use the response of benthic marine molluscan assemblages to a severe global perturbation (the end-Cretaceous mass extinction 66 million years ago) to shed light on the complex dynamics of ecological systems. Aberhan and Kiessling (1) focus on the functional ecology of mollusks from four sites that span half the globe. To have a basis for comparing the fossil assemblages to each other in their pre- and postextinction states, the authors classified all species according to mode of life (e.g., mobile vs. sessile, infaunal vs. epifaunal, carnivorous vs. herbivorous, and so forth). Before the end-Cretaceous extinction, the proportions of species in different modes of life differed among all four sites but were relatively stable for several million years. After the Earth system recovered from the immediate and extreme effects of the extinction-causing event, communities at all four sites displayed decreased taxonomic diversity and changes in the proportions of different modes of life relative to …","language":"en","number":"23","urldate":"2015-06-26","journal":"Proceedings of the National Academy of Sciences","author":[{"propositions":[],"lastnames":["Olszewski"],"firstnames":["Thomas","D."],"suffixes":[]}],"month":"June","year":"2015","note":"00000","keywords":"biodiversity, boundaries, collapse, regime shifts","pages":"7111–7112","file":"Olszewski - 2015 - Abrupt global shifts in ecosystem states.pdf:C\\:\\\\Users\\s̊rs\\\\Documents\\\\Zotero Database\\\\storage\\\\K6PHU9NC\\\\Olszewski - 2015 - Abrupt global shifts in ecosystem states.pdf:application/pdf","bibtex":"@article{olszewski_abrupt_2015,\n\ttitle = {Abrupt global shifts in ecosystem states},\n\tvolume = {112},\n\tissn = {0027-8424, 1091-6490},\n\tshorttitle = {Abrupt global shifts in ecosystem states},\n\turl = {http://www.pnas.org/lookup/doi/10.1073/pnas.1507590112},\n\tdoi = {10.1073/pnas.1507590112},\n\tabstract = {On the face of it, deep-time paleoecology—trying to reconstruct species interactions and the flow of matter and energy in a complex ecosystem using nothing more than the remains of long-extinct organisms—seems like folly. Fossil data are biased, time-averaged residues of once-living systems in which it is impossible to directly observe or experimentally manipulate organism interactions. This is simply the nature of historical data; what happened in the past is done and history cannot be rerun. However, just as the study of human history provides examples to understand political, social, and economic dynamics in the present day, the fossil record provides examples that have much to teach us about how modern ecosystems work. In PNAS, Aberhan and Kiessling (1) use the response of benthic marine molluscan assemblages to a severe global perturbation (the end-Cretaceous mass extinction 66 million years ago) to shed light on the complex dynamics of ecological systems.\n\nAberhan and Kiessling (1) focus on the functional ecology of mollusks from four sites that span half the globe. To have a basis for comparing the fossil assemblages to each other in their pre- and postextinction states, the authors classified all species according to mode of life (e.g., mobile vs. sessile, infaunal vs. epifaunal, carnivorous vs. herbivorous, and so forth). Before the end-Cretaceous extinction, the proportions of species in different modes of life differed among all four sites but were relatively stable for several million years. After the Earth system recovered from the immediate and extreme effects of the extinction-causing event, communities at all four sites displayed decreased taxonomic diversity and changes in the proportions of different modes of life relative to …},\n\tlanguage = {en},\n\tnumber = {23},\n\turldate = {2015-06-26},\n\tjournal = {Proceedings of the National Academy of Sciences},\n\tauthor = {Olszewski, Thomas D.},\n\tmonth = jun,\n\tyear = {2015},\n\tnote = {00000},\n\tkeywords = {biodiversity, boundaries, collapse, regime shifts},\n\tpages = {7111--7112},\n\tfile = {Olszewski - 2015 - Abrupt global shifts in ecosystem states.pdf:C\\:\\\\Users\\\\rsrs\\\\Documents\\\\Zotero Database\\\\storage\\\\K6PHU9NC\\\\Olszewski - 2015 - Abrupt global shifts in ecosystem states.pdf:application/pdf}\n}\n\n","author_short":["Olszewski, T. D."],"key":"olszewski_abrupt_2015","id":"olszewski_abrupt_2015","bibbaseid":"olszewski-abruptglobalshiftsinecosystemstates-2015","role":"author","urls":{"Paper":"http://www.pnas.org/lookup/doi/10.1073/pnas.1507590112"},"keyword":["biodiversity","boundaries","collapse","regime shifts"],"downloads":0,"html":""},"bibtype":"article","biburl":"http://www.collapsologie.fr/bib.bib","creationDate":"2019-06-13T15:56:07.258Z","downloads":0,"keywords":["biodiversity","boundaries","collapse","regime shifts"],"search_terms":["abrupt","global","shifts","ecosystem","states","olszewski"],"title":"Abrupt global shifts in ecosystem states","year":2015,"dataSources":["97shAbFSxL7A7SHoh"]}