Canyon conditions impact carbon flows in food webs of three sections of the Nazaré canyon

Aller, 2004, Physical disturbance creates bacterial dominance of benthic biological communities in tropical deltaic environments of the Gulf of Papua, Continental Shelf Research, 24, 2395, 10.1016/j.csr.2004.07.015 Allesina, 2004, Cycling in ecological networks: Finn's index revisited, Computational Biology and Chemistry, 28, 227, 10.1016/j.compbiolchem.2004.04.002 Amaro, 2010, The trophic biology of the holothurian Molpadia musculus: implications for organic matter cycling and ecosystem functioning in a deep submarine canyon, Biogeosciences, 7, 2419, 10.5194/bg-7-2419-2010 Amaro, 2009, Deep-sea bacterial communities in sediments and guts of deposit-feeding holothurians in Portuguese canyons (NE Atlantic), Deep-Sea Research I, 56, 1834, 10.1016/j.dsr.2009.05.014 Baguley, 2008, Metazoan meiofauna biomass, grazing, and weight-dependent respiration in the Northern Gulf of Mexico deep sea, Deep-Sea Research II, 55, 2607, 10.1016/j.dsr2.2008.07.010 Bianchelli, 2010, Metazoan meiofauna in deep-sea canyons and adjacent open slopes: a large-scale comparison with focus on the rare taxa, Deep-Sea Research I, 57, 420, 10.1016/j.dsr.2009.12.001 Burdige, 1999, Fluxes of dissolved organic carbon from California continental margin sediments, Geochimica et Cosmochimica Acta, 63, 1507, 10.1016/S0016-7037(99)00066-6 Canals, 2006, Flushing submarine canyons, Nature, 444, 354, 10.1038/nature05271 Canfield, 1993, Pathways of organic-carbon oxidation in three continental-margin sediments, Marine Geology, 113, 27, 10.1016/0025-3227(93)90147-N Cunha, 2011, Biodiversity of macrofaunal assemblages from three Portuguese submarine canyons (NE Atlantic), Deep-Sea Research II, 58, 2433, 10.1016/j.dsr2.2011.04.007 Danovaro, 2009, alpha-, beta-, gamma-, delta- and epsilon-diversity of deep-sea nematodes in canyons and open slopes of Northeast Atlantic and Mediterranean margins, Marine Ecology-Progress Series, 396, 197, 10.3354/meps08269 Danovaro, 2008, Major viral impact on the functioning of benthic deep-sea ecosystems, Nature, 454, 10.1038/nature07268 Danovaro, 2002, Higher abundance of bacteria than of viruses in deep Mediterranean sediments, Applied and Environmental Microbiology, 68, 1468, 10.1128/AEM.68.3.1468-1472.2002 De Leo, 2010, Submarine canyons: hotspots of benthic biomass and productivity in the deep sea, Proceedings of the Royal Society B—Biological Sciences, 277, 2783, 10.1098/rspb.2010.0462 de Stigter, 2007, Recent sediment transport and deposition in the Nazare canyon, Portuguese continental margin, Marine Geology, 246, 144, 10.1016/j.margeo.2007.04.011 del Giorgio, 1998, Bacterial growth efficiency in natural aquatic systems, Annual Review of Ecology and Systematics, 29, 503, 10.1146/annurev.ecolsys.29.1.503 Epping, 2002, On the oxidation and burial of organic carbon in sediments of the Iberian margin and Nazare canyon (NE Atlantic), Progress in Oceanography, 52, 399, 10.1016/S0079-6611(02)00017-4 Fath, 1999, Review of the foundations of network environ analysis, Ecosystems, 2, 167, 10.1007/s100219900067 Fauchald, 1979, The diet of worms: a study of polychaete feeding guilds, Oceanography and Marine Biology: An Annual Review, 39, 193 Franco, 2008, Uptake of phytodetritus by meiobenthos using C-13 labelled diatoms and Phaeocystis in two contrasting sediments from the North Sea, Journal of Experimental Marine Biology and Ecology, 362, 1, 10.1016/j.jembe.2008.04.010 Garcia, 2007, Distribution of meiobenthos in the Nazare canyon and adjacent slope (Western Iberian Margin) in relation to sedimentary composition, Marine Ecology-Progress Series, 340, 207, 10.3354/meps340207 Garcia, 2008, Bioavailable organic matter in surface sediments of the Nazare canyon and adjacent slope (Western Iberian Margin), Journal of Marine Systems, 74, 44, 10.1016/j.jmarsys.2007.11.004 García, 2008, Mixing intensity, deposition rates and organic content in two contrasting submarine canyons, Progress in Oceanography, 76, 192, 10.1016/j.pocean.2008.01.001 Geslin, E., Risgaard-Petersen, N., Lombard, F., Metzger, E., Langlet, D., Jorissen, F., 2010. Oxygen respiration rates of benthic foraminifera as measured with oxygen microsensors. Journal of Experimental Marine Biology and Ecology, doi: 10.1016/j.jembe.2010.10.011. Ginger, 2001, Organic matter assimilation and selective feeding by holothurians in the deep sea: some observations and comments, Progress in Oceanography, 50, 407, 10.1016/S0079-6611(01)00063-5 Glud, 2004, Virus and bacteria dynamics of a coastal sediment: implications for benthic carbon cycling, Limnology and Oceanography, 49, 2073, 10.4319/lo.2004.49.6.2073 Guilini, 2010, Nutritional importance of benthic bacteria for deep-sea nematodes from the Arctic ice margin: results of an isotope tracer experiment, Limnology and Oceanography, 55, 1977, 10.4319/lo.2010.55.5.1977 Heip, 2001, The role of the benthic biota in sedimentary metabolism and sediment-water exchange processes in the Goban Spur area (NE Atlantic), Deep-Sea Research II, 48, 3223, 10.1016/S0967-0645(01)00038-8 Hendriks, 1999, Allometric scaling of rate, age and density parameters in ecological models, Oikos, 86, 293, 10.2307/3546447 Ingels, 2011, An insight into the feeding ecology of deep-sea canyon nematodes—results from field observations and the first in-situ 13C feeding experiment in the Nazaré canyon, Journal of Experimental Marine Biology and Ecology, 396, 185, 10.1016/j.jembe.2010.10.018 Ingels, 2009, Nematode diversity and its relation to the quantity and quality of sedimentary organic matter in the deep Nazare canyon, Western Iberian Margin, Deep-Sea Research I, 56, 1521, 10.1016/j.dsr.2009.04.010 Koho, 2008, Sedimentary labile organic carbon and pore water redox control on species distribution of benthic foraminifera: a case study from Lisbon-Setubal Canyon (southern Portugal), Progress in Oceanography, 79, 55, 10.1016/j.pocean.2008.07.004 Kones, 2009, Are network indices robust indicators of food web functioning? A Monte Carlo approach, Ecological Modelling, 220, 370, 10.1016/j.ecolmodel.2008.10.012 Kones, 2006, Gaining insight into food webs reconstructed by the inverse method, Journal of Marine Systems, 60, 153, 10.1016/j.jmarsys.2005.12.002 Masson, 2010, Efficient burial of carbon in a submarine canyon, Geology, 38, 831, 10.1130/G30895.1 Masson, 2011, Sedimentary processes in the middle Nazaré Canyon: the importance of small-scale heterogeneity in defining the large-scale canyon environment, Deep-Sea Research II, 58, 2369, 10.1016/j.dsr2.2011.04.003 Middelboe, 2006, Viral activity along a trophic gradient in continental margin sediments off central Chile, Marine Biology Research, 2, 41, 10.1080/17451000600620650 Middelburg, 1997, Empirical relationships for use in global diagenetic models, Deep-Sea Research I, 44, 327, 10.1016/S0967-0637(96)00101-X Moens, 2007, Carbon sources of Antarctic nematodes as revealed by natural carbon isotope ratios and a pulse-chase experiment, Polar Biology, 31, 1, 10.1007/s00300-007-0323-x Moodley, 2002, Bacteria and Foraminifera: key players in a short-term deep-sea benthic response to phytodetritus, Marine Ecology-Progress Series, 236, 23, 10.3354/meps236023 Moodley, 2008, Biomass-specific respiration rates of benthic meiofauna: demonstrating a novel oxygen micro-respiration system, Journal of Experimental Marine Biology and Ecology, 357, 41, 10.1016/j.jembe.2007.12.025 Nodder, 2003, Variability in benthic biomass and activity beneath the Subtropical Front, Chatman Rise, SW Pacific Ocean, Deep-Sea Research I, 50, 959, 10.1016/S0967-0637(03)00094-3 Piepenburg, 1995, Partitioning of benthic community respiration in the Arctic (northwestern Barents Sea), Marine Ecology-Progress Series, 118, 199, 10.3354/meps118199 Pusceddu, 2010, Organic matter in sediments of canyons and open slopes of the Portuguese, Catalan, Southern Adriatic and Cretan Sea margins, Deep-Sea Research I, 27, 441, 10.1016/j.dsr.2009.11.008 Pusceddu, 2010, Organic matter in sediments of canyons and open slopes of the Portuguese, Catalan, Southern Adriatic and Cretan Sea margins, Deep-Sea Research I, 57, 441, 10.1016/j.dsr.2009.11.008 R Development Core Team, 2008. R: a language and environment for statistical computing. R Foundation for Statistical Computing, Vienna, Austria. Rabouille, 2009, Organic matter budget in the Southeast Atlantic continental margin close to the Congo Canyon: in situ measurements of sediment oxygen consumption, Deep-Sea Research II, 56, 2223, 10.1016/j.dsr2.2009.04.005 Rex, 2006, Global bathymetric patterns of standing stock and body size in the deep-sea benthos, Marine Ecology-Progress Series, 317, 1, 10.3354/meps317001 Rowe, 2008, Comparative biomass structure and estimated carbon flow in food webs in the deep Gulf of Mexico, Deep-Sea Research, 55, 2699, 10.1016/j.dsr2.2008.07.020 Ruhl, 2007, Abundance and size distribution dynamics of abyssal epibenthic megafauna in the northeast Pacific, Ecology, 88, 1250, 10.1890/06-0890 Soetaert, 2009, Factors affecting nematode biomass, length and width from the shelf to the deep sea, Marine Ecology-Progress Series, 392, 123, 10.3354/meps08202 Soetaert, K., Van den Meersche, K., Van Oevelen, D., 2008. limSolve: solving linear inverse models. R package version 1.3. Soetaert, K., Van Oevelen, D., 2008. LIM: linear inverse model examples and solution methods. R package version 1.2. Soetaert, 2009, Modeling food web interactions in benthic deep-sea ecosystems: a practical guide, Oceanography, 22, 130, 10.5670/oceanog.2009.13 Soetaert, 1997, Nematode distribution in ocean margin sediments of the Goban Spur (northeast Atlantic) in relation to sediment geochemistry, Deep-Sea Research I, 44, 1671, 10.1016/S0967-0637(97)00043-5 Tenore, 1982, Comparison of the ecological energetic of the polychaetes Capitella capitata and Nereis succinea in experimental systems receiving similar levels of detritus, Journal of Sea Research, 16, 46, 10.1016/0077-7579(82)90016-3 Tobor-Kaplon, 2007, Evaluation of information indices as indicators of environmental stress in terrestrial soils, Ecological Modelling, 208, 80, 10.1016/j.ecolmodel.2007.04.022 Tyler, 2009, Europe's Grand Canyon Nazare submarine canyon, Oceanography, 22, 46, 10.5670/oceanog.2009.05 Ulanowicz, 2004, Quantitative methods for ecological network analysis, Computational Biology and Chemistry, 28, 321, 10.1016/j.compbiolchem.2004.09.001 Van den Meersche, 2009, xsample(): an R function for sampling linear inverse problems, Journal of Statistical Software, 30, 1 Van Duyl, 1994, Bacterial production in North Sea sediments: clues to seasonal and spatial variations, Marine Biology, 120, 323, 10.1007/BF00349694 Van Oevelen, 2009, The cold-water coral community as hotspot of carbon cycling on continental margins: a food web analysis from Rockall Bank (northeast Atlantic), Limnology and Oceanography, 54, 1829, 10.4319/lo.2009.54.6.1829 Van Oevelen, 2006, The fate of bacterial carbon in an intertidal sediment: modeling an in situ isotope tracer experiment, Limnology and Oceanography, 51, 1302, 10.4319/lo.2006.51.3.1302 Van Oevelen, 2006, Carbon flows through a benthic food web: integrating biomass, isotope and tracer data, Journal of Marine Research, 64, 1, 10.1357/002224006778189581 Van Oevelen, 2010, Quantitative reconstruction of food webs using linear inverse models, Ecosystems, 13, 32, 10.1007/s10021-009-9297-6 Vetter, 1999, Organic enrichment by macrophyte detritus, and abundance patterns of megafaunal populations in submarine canyons, Marine Ecology-Progress Series, 186 Vézina, 2004, Inverse reconstructions of ecosystem flows in investigating regime shifts: impact of the choice of objective function, Progress in Oceanography, 60, 321, 10.1016/j.pocean.2004.02.012 Vézina, 2003, Reconstruction of ecosystem flows using inverse methods: how well do they work?, Journal of Marine Systems, 40, 55, 10.1016/S0924-7963(03)00013-7 Wieser, 1953, Die Beziehung zwischen Mundhöhlengestalt, Ernährungsweise und Vorkommen bei freilebenden marinen Nematoden. Eine skologisen-morphologische studie, Arkiv für Zoologie, 4, 439 Wigham, 2008, Inter-annual variability and potential for selectivity in the diets of deep-water Antarctic echinoderms, Deep-Sea Research II, 55, 2478, 10.1016/j.dsr2.2008.06.007 Wigham, 2003, Is long-term change in the abyssal Northeast Atlantic driven by qualitative changes in export flux? Evidence from selective feeding in deep-sea holothurians, Progress in Oceanography, 59, 409, 10.1016/j.pocean.2003.11.003 Witbaard, 2001, The response of Oneirophanta mutabilis (Holothuroidea) to the seasonal deposition of phytopigments at the porcupine Abyssal Plain in the Northeast Atlantic, Progress in Oceanography, 50, 423, 10.1016/S0079-6611(01)00064-7 Witte, 2003, In situ experimental evidence of the fate of a phytodetritus pulse at the abyssal sea floor, Nature, 424, 763, 10.1038/nature01799 Woulds, 2009, The short-term fate of organic carbon in marine sediments: comparing the Pakistan margin to other regions, Deep-Sea Research II, 56, 393, 10.1016/j.dsr2.2008.10.008 Woulds, 2007, Oxygen as a control on seafloor biological communities and their roles in sedimentary carbon cycling, Limnology and Oceanography, 52, 1698, 10.4319/lo.2007.52.4.1698