10.5061/DRYAD.1MV20R6
Cirtwill, Alyssa R.
0000-0002-1772-3868
Linköping University
Eklöf, Anna
Linköping University
Data from: Feeding environment and other traits shape species' roles
in marine food webs
Dryad
dataset
2018
Modern
Marine
2018-04-12T11:39:37Z
2018-04-12T11:39:37Z
en
https://doi.org/10.1111/ele.12955
3977002 bytes
3
CC0 1.0 Universal (CC0 1.0) Public Domain Dedication
Food webs and meso-scale motifs allow us to understand the structure of
ecological communities and define species' roles within them. This
species-level perspective on networks permits tests for relationships
between species' traits and their patterns of direct and indirect
interactions. Such relationships could allow us to predict food-web
structure based on more easily-obtained trait information. Here we
calculated the roles of species (as vectors of motif position frequencies)
in six well-resolved marine food webs and identified the motif positions
associated with the greatest variation in species' roles. We then
tested whether the frequencies of these positions varied with
species' traits. Despite the coarse-grained traits we used, our
approach identified several strong associations between traits and motifs.
Feeding environment was a key trait in our models and may shape
species' roles by affecting encounter probabilities. Incorporating
environment into future food web models may improve predictions of an
unknown network structure.
Please note: The .xls versions of the food webs initially uploaded are
missing some columns. Please use the updated .csv versions of the food
webs instead. Trait and role data file Species traits and frequencies of
each motif position. Position columns are labelled R1 through R30, with
position numbers as in Fig. 1 of the main text associated with this data.
full_data.csv Kongsfjorden food web Food web for the Kongsfjord. Predator
names are given in the first row, prey names in the first column. Values
of 1 indicate a link. Data compiled by Ute Jacob (not previously
published). kongsfjorden_spames.xls Lough Hyne food web Lough Hyne food
web with genus names and ITIS ID numbers. Names and IDs for predators are
given in the first two rows while names and IDs for prey are given in the
first two columns. Values of 1 indicate feeding links. Data compiled by
Ute Jacob (not previously published). loughhyne_spnames.xls Reef food web
Food web for the Caribbean Reef. Predator names are given in the first
row, prey names in the first column. Values of 1 indicate a feeding link.
First published in: Opitz, S. 1996. Trophic interactions in Caribbean
coral reefs. ICLARM Tech. Rep, 43, 341 p. reef_spnames.xls St. Marks food
web Food web for the St. Marks estuary, Florida, U.S.A. Predator names are
given in the first row, prey names in the first column. Values of 1
indicate feeding links. First published in: Christian Luczkovich (1991),
Organizing and understanding a winters seagrass foodweb network through
effective trophic levels. Ecological Modelling (117): 99-124.
doi:10.1016/S0304-3800(99)00022-8 stmarks_spnames.xls Weddell Sea food web
Weddell Sea food web with predator names provided in the first row, prey
names in the first column. First published in: Jacob et al. (2011), The
Role of Body Size in Complex Food Webs: A Cold Case. In Andrea Belgrano
and Julia Reiss, editors: Advances in Ecological Research, Vol. 45,
Amsterdam, The Netherlands, pp. 181-223.
doi:10.1016/B978-0-12-386475-8.00005-8. weddell_spnames.xls Ythan estuary
food web Food web for the Ythan Estuary with predator names given in the
first row and prey names given in the first column. Values of 1 indicate
feeding links. First published in: Cohen et al. (2009), Food webs are more
than the sum of their tritrophic parts. PNAS (52): 22335-22340. doi:
10.1073/pnas.0910582106 ythan_spnames.xls
Puerto Rico
USA
US Virgin Islands
Weddell Sea
North Sea
Florida
Baltic Sea
St. Marks estuary
Kongsfjorden
Ireland
Lough Hyne
Denmark
Antarctica
Caribbean
Germany