FN Archimer Export Format
PT J
TI Eating up the world's food web and the human trophic level
BT 
AF BONHOMMEAU, Sylvain
   DUBROCA, Laurent
   LE PAPE, Olivier
   BARDE, Julien
   KAPLAN, David
   CHASSOT, Emmanuel
   NIEBLAS, Anne-Elise
AS 1:1;2:2;3:3;4:2;5:2;6:2;7:1;
FF 1:PDG-RBE-HM-RHSETE;2:;3:;4:;5:;6:;7:PDG-RBE-HM-RHSETE;
C1 Inst Francais Rech Explorat MER, Unite Mixte Rech UMR Exploited Marine Ecosyst EME, F-34203 Sete, France.
   Inst Rech Dev, UMR EME 212, Ctr Rech Halieut Mediterraneenne & Trop, F-34203 Sete, France.
   INRA, UMR Agrocampus Ouest 985, Fisheries & Aquat Sci Ctr, F-35042 Rennes, France.
C2 IFREMER, FRANCE
   IRD, FRANCE
   INRA, FRANCE
SI SETE
SE PDG-RBE-HM-RHSETE
   IRD
IN WOS Ifremer jusqu'en 2018
   copubli-france
   copubli-p187
IF 9.809
TC 71
UR https://archimer.ifremer.fr/doc/00171/28190/26609.pdf
LA English
DT Article
DE ;human ecology;nutrition transition;trophic ecology
AB Trophic levels are critical for synthesizing species' diets, depicting energy pathways, understanding food web dynamics and ecosystem functioning, and monitoring ecosystem health. Specifically, trophic levels describe the position of species in a food web, from primary producers to apex predators (range, 1-5). Small differences in trophic level can reflect large differences in diet. Although trophic levels are among the most basic information collected for animals in ecosystems, a human trophic level (HTL) has never been defined. Here, we find a global HTL of 2.21, i.e., the trophic level of anchoveta. This value has increased with time, consistent with the global trend toward diets higher in meat. National HTLs ranging between 2.04 and 2.57 reflect a broad diversity of diet, although cluster analysis of countries with similar dietary trends reveals only five major groups. We find significant links between socio-economic and environmental indicators and global dietary trends. We demonstrate that the HTL is a synthetic index to monitor human diets and provides a baseline to compare diets between countries.
PY 2013
PD DEC
SO Proceedings Of The National Academy Of Sciences Of The United States Of America
SN 0027-8424
PU Natl Acad Sciences
VL 110
IS 51
UT 000328548600063
BP 20617
EP 20620
DI 10.1073/pnas.1305827110
ID 28190
ER

EF