FN Archimer Export Format
PT J
TI Boreal and Lusitanian species display trophic niche variation in temperate waters
BT 
AF AMELOT, Morgane
   ROBERT, Marianne
   Mouchet, Maud
   KOPP, Dorothee
AS 1:1,2;2:2;3:1;4:2;
FF 1:;2:PDG-RBE-HALGO-LTBH;3:;4:PDG-RBE-HALGO-LTBH;
C1 Centre d'Ecologie et des Sciences de la Conservation, UMR 7204 MNHN-CNRS- Sorbonne Université, Muséum national d'Histoire naturelle de Paris, Paris, France
   UMR DECOD (Ecosystem Dynamics and Sustainability), IFREMER, INRAE, Institut Agro, Plouzane, France
C2 MNHN, FRANCE
   IFREMER, FRANCE
SI BREST
   LORIENT
SE PDG-RBE-HALGO-LTBH
UM DECOD
IN WOS Ifremer UMR
   DOAJ
   copubli-france
IF 2.6
TC 0
UR https://archimer.ifremer.fr/doc/00861/97259/106227.pdf
   https://archimer.ifremer.fr/doc/00861/97259/106228.odt
LA English
DT Article
CR EVHOE 2014
   EVHOE 2015
   EVHOE 2016
   EVHOE 2021
   EVHOE 2022
   EVHOE EVALUATION HALIEUTIQUE OUEST DE L'EUROPE
   INTERNATIONAL BOTTOM TRAWL SURVEY (IBTS)
BO Thalassa
DE ;Celtic Sea;climate change;competition;habitat suitability;isotopes;thermal preferenda;trophic structure
AB Climate change has non-linear impacts on species distributions and abundance that have cascading effects on ecosystem structure and function. Among them are shifts in trophic interactions within communities. Sites found at the interface between two or more biogeographical regions, where species with diverse thermal preferenda are assembled, are areas of strong interest to study the impact of climate change on communities' interactions. This study examined variation in trophic structure in the Celtic Sea, a temperate environment that hosts a mixture of cold-affiliated Boreal species and warm-affiliated Lusitanian species. Using carbon and nitrogen stable isotope ratios, trophic niche area, width, and position were investigated for 10 abundant and commercially important demersal fish species across space and time. In general, the niches of Boreal species appear to be contracting while those of Lusitanian species expand, although there are some fluctuations among species. These results provide evidence that trophic niches can undergo rapid modifications over short time periods (study duration: 2014–2021) and that this process may be conditioned by species thermal preferenda. Boreal species displayed spatial variation in trophic niche width and seem to be facing increased competition with Lusitanian species for food resources. These findings underscore the need to utilize indicators related to species trophic ecology to track the ecosystem alterations induced by climate change. Such indicators could reveal that the vulnerability of temperate ecosystems is currently being underestimated. 
PY 2023
PD NOV
SO Ecology And Evolution
SN 2045-7758
PU Wiley
VL 13
IS 11
UT 001107393900001
DI 10.1002/ece3.10744
ID 97259
ER

EF