E. Navarro, J.I.P. Iglesias y A. Larrañaga (1989):  “Interanual variations in the reproductive cycle and biochemical composition of cockles (Cerastoderma edule) from Mundaca Estuary”.  Marine Biology, Vol. 101: 503-512

B.L. Bayne, A.J.S. Hawkins, E. Navarro e I.P. Iglesias (1989): “The effects of seston concentration on feeding, digestion and growth in the mussel Mytilus edulis” Marine Ecology-Progress Series, Vol.: 55: 47-54

A.J.S. Hawkins, E. Navarro y J.I.P. Iglesias (1990): “Comparative allometries of gut passage time, gut content and metabolic faecal loss inMytilus edulis and Cerastoderma edule”.  Marine Biology, Vol. 105: 197-204

J.I.P. Iglesias y E. Navarro (1990): ”Shell growth of the cockle Cerastoderma edule in the Mundaca Estuary (North Spain)”.  Journal of Molluscan Studies, Vol. 56: 229-238

E. Navarro, J.I.P. Iglesias, A. Pérez Camacho, U. Labarta y R. Beiras (1991): “The physiological energetics of mussels (Mytilus galloprovincialisLmk) from different cultivation rafts in the Ría de Arosa (Galicia, N.W. Spain)”.  Aquaculture, Vol. 94: 197-212

J.I.P. Iglesias y E. Navarro (1991): “Energetics of growth and reproduction in cockles (Cerastoderma edule): seasonal and age-dependent variations”.  Marine Biology, Vol. 111: 359-368

E. Navarro, J.I.P. Iglesias y M.M. Ortega (1992): ”Natural sediment as a food source for the cockle Cerastoderma edule (L.): effect of variable particle concentration on feeding, digestion and the scope for growth”.  Journal of Experimental Marine Biology and Ecology, Vol. 156: 69-87

J.I.P. Iglesias, E. Navarro, P. Álvarez Jorna e I. Armentia (1992): “Feeding, particle selection and absorption in cockles Cerastoderma edule (L.) exposed to variable conditions of food concentration and quality”.  Journal of Experimental Marine Biology and Ecology, Vol. 162: 177-198

B.L. Bayne, J.I.P. Iglesias, A.J.S. Hawkins, E. Navarro, M. Heral y J.M. Deslous-Paoli (1993): “Feeding behaviour of the mussel Mytilus edulisL.: Responses to variations in both quantity and organis content of the seston”.  Journal of the Marine Biological Association U.K., Vol. 73: 813-829

E. Navarro y J.I.P. Iglesias (1993): “Infaunal filter-feeding bivalves and the physiological response to short-term fluctuations in food availability and composition”. In: Bivalve Filter Feeders in Estuarine and Coastal Ecosystem Processes (R.F. Dame editor) “NATO ASI Series”, Vol. G33, pp: 25-56, Springer-Verlag, Berlin.

E. Navarro, J.I.P. Iglesias, M.M. Ortega y X. Larretxea (1994): “The basis for a functional response to variable food quantity quality in cocklesCerastoderma edule (Bivalvia, Cardiidae)”.  Physiological Zoology, Vol. 67: 468-496

E. Navarro y J.I.P. Iglesias (1995): “Energetics of reproduction related to environmental variability in bivalve molluscs”.  Haliotis, Vol. 24: 43-55

J.I.P. Iglesias, M.B. Urrutia, E. Navarro, P. Álvarez Jorna, X. Larretxea, S. Bougrier y M. Heral (1996): “Variability of feeding processes in the cockle Cerastoderma edule (L.) in response to changes in seston concentration and composition”.  Journal of Experimental Marine Biology and Ecology, Vol. 197: 121-143

M.B. Urrutia, J.I.P. Iglesias, E. Navarro y J. Prou (1996): “Feeding and absorption in Cerastoderma edule under environmental conditions in the Bay of Marennes-Oléron (Western France)”.  Journal of the Marine Biological Association U.K., Vol. 76: 431-450

E. Navarro, J.I.P. Iglesias, A. Pérez Camacho y U. Labarta (1996): “The effect of diets of phytoplancton and suspended bottom material on feeding and absorption of raft mussels (Mytilus galloprovincialis Lmk.)”.  Journal of Experimental Marine Biology and Ecology, Vol. 198, pp.: 175-189

I. Ibarrola, J.I.P. Iglesias y E. Navarro (1996): “Differential absorption of biochemical components in the diet of the cockle Cerastoderma edule: enzymatic responses to variations in seston composition”. Canadian Journal of Zoology, Vol. 74: 1887-1897

J.I.P. Iglesias, A. Pérez Camacho, E. Navarro, U. Labarta, R. Beiras, A.J.S. Hawkins y J. Widdows (1996): “Microgeographic variability in feeding, absorption and condition of mussels (Mytilus galloprovincialis Lmk.): A transplant experiment”.  Journal of Shellfish Research, Vol. 15: 673-680

M.B. Urrutia, J.I.P. Iglesias y E. Navarro (1997): “Feeding behaviour of Cerastoderma edule in a turbid environment: physiological adaptations and derived benefit”.  Hydrobiologia, Vol. 355: 173-180

E. Navarro, J.I.P. Iglesias, M.B. Urrutia y J. Parra (1997): “Simulating physiological responses of cockles (Cerastoderma edule) to variable conditions within estuarine media”.  Aquatic Living Resources, Vol. 10: 59-66

I. Ibarrola, X. Larretxea, J.I.P. Iglesias, M.B. Urrutia y E. Navarro (1998): “Seasonal variation of digestive enzyme activities in the digestive gland and the crystalline style of the common cockle Cerastoderma edule”. Comparative Biochemistry and Physiology A, Vol. 121: 25-34

J.I.P. Iglesias, M.B. Urrutia, E. Navarro e I. Ibarrola (1998): “Measuring feeding and absorption in suspension-feeding bivalves: an appraisal of the biodeposition method”. Journal of Experimental Marine Biology and Ecology, Vol. 219: 71-86

A.J.S. Hawkins, B.L. Bayne, S. Bougrier, M. Heral, J.I.P. Iglesias, E. Navarro, R.F.M. Smith y M.B. Urrutia (1998): “Some general relationships in comparing the feeding physiology of suspension-feeding bivalve molluscs”. Journal of Experimental Marine Biology and Ecology, Vol. 219: 87-103

E. Navarro, M.B. Urrutia, J.I.P. Iglesias e I. Ibarrola (1998): “Tidal variations in feeding, absorption and scope for growth of cockles (Cerastoderma edule) in the Bay of Marennes-Olerón (France)”. Vie et Milieu, Vol. 48: 331-340

I. Ibarrola, E. Navarro y J.I.P. Iglesias (1998): “Short-term adaptation of digestive processes in the cockle Cerastoderma eduleexposed to different food quantity and quality”. Journal of Comparative Physiology B, Vol. 168: 32-40

M.B. Urrutia, I. Ibarrola, J.I.P. Iglesias y E. Navarro (1999): “Energetics of growth and reproduction in a high-tidal population of the clamRuditapes decussatus from Urdaibai Estuary (Basque Country, N. Spain)”. Journal of Sea Research, Vol. 42: 35-48

I. Ibarrola, E. Navarro, J.I.P. Iglesias, y M.B. Urrutia (1999): “Time-course of digestive-enzyme acclimation in the cockle Cerastoderma edule”.Marine Biology, Vol. 135: 47-56

M. Martínez Madrid, P. Rodríguez y J.I. Pérez Iglesias (1999): “Sediment toxicity bioassays for assessment of contaminated sites in the Nervion river (Northern Spain). 1. Three-brood sediment chronic bioassay of Daphnia magna Straus”. Ecotoxicology, Vol. 8: 97-109

M. Martínez Madrid, P. Rodríguez, J.I.Pérez Iglesias y E. Navarro (1999): “Sediment toxicity bioassays for assessment of contaminated sites in the Nervion river (Northern Spain). 2. Tubifex tubifex reproduction sediment bioassay”. Ecotoxicology, Vol. 8: 111-124

I. Ibarrola, E. Navarro, J.I.P. Iglesias, y M.B. Urrutia (2000): Temporal changes of feeding and absorption components in Cerastoderma edulefed an algal diet”. Journal of the Marine Biological Association U.K., Vol. 80: 119-125

I. Ibarrola, M. Etxeberria, J.I.P. Iglesias, M.B. Urrutia y E. Angulo (2000): “Acute and acclimated responses of the cockles Cerastoderma edule(L.) to changes in food quality and quantity. II.- Enzymatic, cellular and tissular responses of the digestive gland”. Journal of Experimental Marine Biology and Ecology, Vol. 252: 199-219

M.B. Urrutia, E. Navarro, I. Ibarrola y J.I.P. Iglesias (2001): “Preingestive selection processes in the cockle Cerastoderma edule: mucus production related to rejection of pseudofaeces”. Marine Ecology Progress Series, Vol. 209: 177-187