Publikation:
Decreasing ð13C and ð15N values in four coastal species at different trophic levels indicate a fundamental food-web shift in the southern North and Baltic Seas between 1988 and 2016

Kurzanzeige
dc.contributor.authorCorman, Anna-Marie
dc.contributor.authorSchwemmer, Philipp
dc.contributor.authorKoschorreck, Jan
dc.contributor.authorMercker, Moritz
dc.date.accessioned2024-06-16T14:59:16Z
dc.date.available2024-06-16T14:59:16Z
dc.date.issued2018
dc.description.abstractMarine ecosystems are exposed to increasing human pressures and climatic change worldwide. It has therefore become essential to describe ecosystem statuses with respect to multinational protection schemes, often necessitating long-term monitoring programmes. Changes in the food-web structure, which can be monitored via stable isotope measurements, represent an important descriptor of the status of marine ecosystems. We investigated long-term changes (29 years) in isotopic values (ð 13C and ð 15N) in four indicative organisms at different trophic levels in the southern North and Baltic Seas: bladderwrack (Fucus vesiculosus), blue mussel (Mytilus ssp.), eelpout (Zoarces viviparus), and herring gull (Larus argentatus). Time series analyses using generalised additive models revealed largely consistent declines in ð 13C and ð 15N throughout all trophic levels of the coastal food web at all study sites, indicating a clear change in these coastal regions from 1988 to 2016. There were no clear long-term patterns in egg biometrics for herring gulls, except for a consistent increase in eggshell thickness. The declines in stable isotope values were in line with the results of previous long-term studies of single higher-trophic-level species, which suggested that the noted changes were mainly caused by altered foraging patterns of the studied species. The current results demonstrate that declines in ð 13C and ð 15N have occurred throughout the whole food web, not just in particular species. We discuss the possible reasons for the decrease in stable isotope values, including decreasing eutrophication and an increase in terrestrial carbon sources. © Springer International Publishing AG, part of Springer Nature 2018en
dc.format.mediumonline resource
dc.identifier.doihttps://doi.org/10.60810/openumwelt-1159
dc.identifier.urihttps://openumwelt.de/handle/123456789/5754
dc.language.isoeng
dc.rights.urihttp://rightsstatements.org/vocab/InC/1.0/
dc.subjectSilbermöwe
dc.subjectZeitreihenanalyse
dc.subjectAalmutter
dc.titleDecreasing ð13C and ð15N values in four coastal species at different trophic levels indicate a fundamental food-web shift in the southern North and Baltic Seas between 1988 and 2016
dc.typeWissenschaftlicher Artikel
dc.type.dcmitext
dc.type.mediumcomputer
dspace.entity.typePublication
local.bibliographicCitation.journalTitleEnvironmental Monitoring and Assessment
local.bibliographicCitation.originalDOI10.1007/s10661-018-6827-8
local.bibliographicCitation.volume190 (2018), Heft 8, 12 Seiten
local.collectionAufsätze
local.contributor.authorId(DE-588)1078310610
local.contributor.authorId02181563
local.contributor.authorId(DE-588)133160262
local.contributor.authorId02181564
local.contributor.authorId(DE-588)1025652657
local.contributor.authorId02181565
local.contributor.authorId(DE-588)185166032
local.identifier.catalogId02463142
local.ingest.leader06029naa a2200000uu 4500
local.jointTitleDECREASING 13C AND 15N VALUES IN FOUR COASTAL SPECIES AT DIFFERENT TROPHIC LEVELS INDICATE A FUNDAMENTAL FOODWEB SHIFT IN THE SOUTHERN NORTH AND BALTIC SEAS BETWEEN 1988 AND 2016
local.reviewtrue
local.sourcecatalog
local.staffPublicationtrue
relation.isAuthorOfPublication474bf2a4-71af-4362-ac51-4bff4bf59981
relation.isAuthorOfPublication.latestForDiscovery474bf2a4-71af-4362-ac51-4bff4bf59981
Dateien
Sammlungen
Aufsätze