Emergent Properties Delineate Marine Ecosystem Perturbation and Recovery.
Identifieur interne : 002E57 ( Main/Exploration ); précédent : 002E56; suivant : 002E58Emergent Properties Delineate Marine Ecosystem Perturbation and Recovery.
Auteurs : Jason S. Link [États-Unis] ; Fabio Pranovi [Italie] ; Simone Libralato [Italie] ; Marta Coll [Espagne] ; Villy Christensen [Canada] ; Cosimo Solidoro [Italie] ; Elizabeth A. Fulton [Australie]Source :
- Trends in ecology & evolution [ 1872-8383 ] ; 2015.
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Abstract
Whether there are common and emergent patterns from marine ecosystems remains an important question because marine ecosystems provide billions of dollars of ecosystem services to the global community, but face many perturbations with significant consequences. Here, we develop cumulative trophic patterns for marine ecosystems, featuring sigmoidal cumulative biomass (cumB)-trophic level (TL) and 'hockey-stick' production (cumP)-cumB curves. The patterns have a trophodynamic theoretical basis and capitalize on emergent, fundamental, and invariant features of marine ecosystems. These patterns have strong global support, being observed in over 120 marine ecosystems. Parameters from these curves elucidate the direction and magnitude of marine ecosystem perturbation or recovery; if biomass and productivity can be monitored effectively over time, such relations may prove to be broadly useful. Curve parameters are proposed as possible ecosystem thresholds, perhaps to better manage the marine ecosystems of the world.
DOI: 10.1016/j.tree.2015.08.011
PubMed: 26456382
Affiliations:
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Fulton</name><affiliation wicri:level="1"><nlm:affiliation>CSIRO Marine and Atmospheric Research, GPO Box 1538, Hobart, TAS 7001, Australia.</nlm:affiliation><country xml:lang="fr">Australie</country><wicri:regionArea>CSIRO Marine and Atmospheric Research, GPO Box 1538, Hobart, TAS 7001</wicri:regionArea><wicri:noRegion>TAS 7001</wicri:noRegion></affiliation></author></analytic><series><title level="j">Trends in ecology & evolution</title><idno type="eISSN">1872-8383</idno><imprint><date when="2015" type="published">2015</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Biomass</term><term>Conservation of Natural Resources</term><term>Ecosystem</term><term>Food Chain</term><term>Marine Biology</term><term>Models, Theoretical</term><term>Oceans and Seas</term></keywords><keywords scheme="KwdFr" xml:lang="fr"><term>Biologie marine</term><term>Biomasse</term><term>Chaine alimentaire</term><term>Conservation des ressources naturelles</term><term>Modèles théoriques</term><term>Océans et mers</term><term>Écosystème</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Biomass</term><term>Conservation of Natural Resources</term><term>Ecosystem</term><term>Food Chain</term><term>Marine Biology</term><term>Models, Theoretical</term><term>Oceans and Seas</term></keywords><keywords scheme="MESH" xml:lang="fr"><term>Biologie marine</term><term>Biomasse</term><term>Chaine alimentaire</term><term>Conservation des ressources naturelles</term><term>Modèles théoriques</term><term>Océans et mers</term><term>Écosystème</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Whether there are common and emergent patterns from marine ecosystems remains an important question because marine ecosystems provide billions of dollars of ecosystem services to the global community, but face many perturbations with significant consequences. Here, we develop cumulative trophic patterns for marine ecosystems, featuring sigmoidal cumulative biomass (cumB)-trophic level (TL) and 'hockey-stick' production (cumP)-cumB curves. The patterns have a trophodynamic theoretical basis and capitalize on emergent, fundamental, and invariant features of marine ecosystems. These patterns have strong global support, being observed in over 120 marine ecosystems. Parameters from these curves elucidate the direction and magnitude of marine ecosystem perturbation or recovery; if biomass and productivity can be monitored effectively over time, such relations may prove to be broadly useful. Curve parameters are proposed as possible ecosystem thresholds, perhaps to better manage the marine ecosystems of the world.</div></front></TEI><affiliations><list><country><li>Australie</li><li>Canada</li><li>Espagne</li><li>Italie</li><li>États-Unis</li></country><region><li>Catalogne</li><li>Massachusetts</li></region><settlement><li>Barcelone</li></settlement></list><tree><country name="États-Unis"><region name="Massachusetts"><name sortKey="Link, Jason S" sort="Link, Jason S" uniqKey="Link J" first="Jason S" last="Link">Jason S. Link</name></region></country><country name="Italie"><noRegion><name sortKey="Pranovi, Fabio" sort="Pranovi, Fabio" uniqKey="Pranovi F" first="Fabio" last="Pranovi">Fabio Pranovi</name></noRegion><name sortKey="Libralato, Simone" sort="Libralato, Simone" uniqKey="Libralato S" first="Simone" last="Libralato">Simone Libralato</name><name sortKey="Solidoro, Cosimo" sort="Solidoro, Cosimo" uniqKey="Solidoro C" first="Cosimo" last="Solidoro">Cosimo Solidoro</name></country><country name="Espagne"><region name="Catalogne"><name sortKey="Coll, Marta" sort="Coll, Marta" uniqKey="Coll M" first="Marta" last="Coll">Marta Coll</name></region></country><country name="Canada"><noRegion><name sortKey="Christensen, Villy" sort="Christensen, Villy" uniqKey="Christensen V" first="Villy" last="Christensen">Villy Christensen</name></noRegion></country><country name="Australie"><noRegion><name sortKey="Fulton, Elizabeth A" sort="Fulton, Elizabeth A" uniqKey="Fulton E" first="Elizabeth A" last="Fulton">Elizabeth A. Fulton</name></noRegion></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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