Landscape complexity differentially benefits generalized fourth, over specialized third, trophic level natural enemiesRAND, Tatyana A; VAN VEEN, F. J. Frank; TSCHARNTKE, Teja et al.Ecography (Copenhagen). 2012, Vol 35, Num 2, pp 97-104, issn 0906-7590, 8 p.Article

Food web patterns in ecosystems: a reply to Fretwell and OksanenVADAS, R. L. JR.Oikos. 1989, Vol 56, Num 3, pp 339-343, issn 0030-1299Article

The testing of three indicator systems for trophic state in grasslandsMELMAN, T. C. P; CLAUSMAN, P. H. M. A; UDO DE HAES, H. A et al.Vegetatio (The Hague). 1988, Vol 75, Num 3, pp 143-152, issn 0042-3106Article

A stochastic theory of community food webs. V, Intervality and triangulation in the trophic-niche overlap graphCOHEN, J. E; PALKA, Z. J.The American naturalist. 1989, Vol 135, Num 3, pp 435-463, issn 0003-0147Article

Estimation des variations du niveau trophique du réservoir de Kiev durant son existenceZHADANOVA, G. A; SKORIK, L. V; SHCHERBAK, V. I et al.Gidrobiologičeskij žurnal (Kiev, 1965). 1989, Vol 25, Num 2, pp 30-35, issn 0375-8990Article

The determinants of food chain lengthsPIMM, S. L; KITCHING, R. L.Oikos. 1987, Vol 50, Num 3, pp 302-307, issn 0030-1299Conference Paper

Tungsten Toxicity, Bioaccumulation, and Compartmentalization into Organisms Representing Two Trophic LevelsKENNEDY, Alan J; JOHNSON, David R; SEITER, Jennifer M et al.Environmental science & technology. 2012, Vol 46, Num 17, pp 9646-9652, issn 0013-936X, 7 p.Article

Quantitative comparison of food niches in some freshwater zooplankton: a multi-tracer-cell approachBOGDAN, K. G; GILBERT, J. J.Oecologia. 1987, Vol 72, Num 3, pp 331-340, issn 0029-8549Article

Notes on Lindeman's progressive efficiencySTRAYER, D.Ecology (Durham). 1991, Vol 72, Num 1, pp 348-350, issn 0012-9658Article

Adjusting for temporal change in trophic position results in reduced rates of contaminant declineHEBERT, Craig E; CHIP WESELOH, D. V.Environmental science & technology. 2006, Vol 40, Num 18, pp 5624-5628, issn 0013-936X, 5 p.Article

Fish diversity as a determinant of ecosystem properties across multiple trophic levelsCAREY, Michael P; WAHL, David H.Oikos (København). 2011, Vol 120, Num 1, pp 84-94, issn 0030-1299, 11 p.Article

Averaging and aggregation in ecological models: an attempt at a non-linear approachLOGOFET, D. O; SVIREZHEV, Y. M.Ecological modelling. 1986, Vol 34, Num 3-4, pp 217-229, issn 0304-3800Article

Unravelling the complex structure of forest soil food webs: higher omnivory and more trophic levelsDIGEL, Christoph; CURTSDOTTER, Alva; RIEDE, Jens et al.Oikos (København). 2014, Vol 123, Num 10, pp 1157-1172, issn 0030-1299, 16 p.Article

Transfer of bacterial production based on labile carbon to higher trophic levels in an oligotrophic pelagic systemFAITHFULL, Carolyn; HUSS, Magnus; VREDE, Tobias et al.Canadian journal of fisheries and aquatic sciences (Print). 2012, Vol 69, Num 1, pp 85-93, issn 0706-652X, 9 p.Article

Effects of small-scale turbulence on lower trophic levels under different nutrient conditionsIVERSEN, Kriss Rokkan; PRIMICERIO, Raul; LARSEN, Aud et al.Journal of plankton research. 2010, Vol 32, Num 2, pp 197-208, issn 0142-7873, 12 p.Article

Combining Organic Matter Source and Relative Trophic Position Determinations to Explore Trophic StructureWILSON, Rachel Marie; CHANTON, Jeffrey; LEWIS, Graham et al.Estuaries and coasts. 2009, Vol 32, Num 5, pp 999-1010, issn 1559-2723, 12 p.Article

Relevant parameters to define the tropic state of lakesSCHRÖDER, R.Archiv für Hydrobiologie. 1991, Vol 121, Num 4, pp 463-472, issn 0003-9136Article

Individual trophic specialisation and niche segregation explain the contrasting population trends of two sympatric otariidsFRANCO-TRECU, Valentina; AURIOLES-GAMBOA, David; INCHAUSTI, Pablo et al.Marine biology (Berlin). 2014, Vol 161, Num 3, pp 609-618, issn 0025-3162, 10 p.Article

Did the iron fertilization near Haida Gwaii in 2012 affect the pelagic lower trophic level ecosystem?BATTEN, Sonia D; GOWER, James F. R.Journal of plankton research. 2014, Vol 36, Num 4, pp 925-932, issn 0142-7873, 8 p.Article

Consequences of variation in plant defense for biodiversity at higher trophic levelsPOELMAN, Erik H; VAN LOON, Joop J. A; DICKE, Marcel et al.Trends in plant science. 2008, Vol 13, Num 10, pp 534-541, issn 1360-1385, 8 p.Article

Environmental predictors of benthic consumers and autotrophic communities along a recovery gradientHOGSDEN, Kristy L; VINEBROOKE, Rolf D.Canadian journal of fisheries and aquatic sciences (Print). 2005, Vol 62, Num 10, pp 2226-2239, issn 0706-652X, 14 p.Article

Studio dello stato trofico di un sistema lacustre mediante modellazione statisticaMURGIA, S. M; SANTUCCI, A; POLETTI, E. A et al.IA Ingegneria ambientale. 1990, Vol 19, Num 7-8, pp 472-478Article

Mesoscale heterogeneity of biological fields of the indian ocean tropical zone: structure, dynamics and interrelationsPIONTKOVSKY, S. A.Actes de colloques - IFREMER. 1987, Num 5, pp 35-38, issn 0761-3962Conference Paper

Free-living nematodes as prey for higher trophic levels of forest soil food websHEIDEMANN, Kerstin; HENNIES, Annika; SCHAKOWSKE, Johanna et al.Oikos (København). 2014, Vol 123, Num 10, pp 1199-1211, issn 0030-1299, 13 p.Article

Higher trophic level prey does not represent a higher quality diet in a threatened seabird: implications for relating population dynamics to diet shifts inferred from stable isotopesMORRISON, Kyle W; BURY, Sarah J; THOMPSON, David R et al.Marine biology (Berlin). 2014, Vol 161, Num 10, pp 2243-2255, issn 0025-3162, 13 p.Article