Structural characteristics of fuel particles of five Mediterranean shrubs.

Papió C, Trabaud L (1990) Structural characteristics of fuel particles of five Mediterranean shrubs. Forest Ecology and Management 35:249-259.

Paper de Collserola dins el sistema ecològic metropolità.

Terradas J (1990) Paper de Collserola dins el sistema ecològic metropolità. Barcelona Metròpolis, vol. 14, pp. 71-73.

Micronutrients in biomass fractions of holm oak, beech and fir forests of the Montseny massif (Catalonia, NE Spain.).

Caritat A, Terradas J (1990) Micronutrients in biomass fractions of holm oak, beech and fir forests of the Montseny massif (Catalonia, NE Spain.). Annales des Sciences Forestières 4:345-352.

Social organization of Cataglyphis cursor ant colonies (Hymenoptera, Formicidae): inter and intraspecific competition.

Retana J, Cerdà X (1990) Social organization of Cataglyphis cursor ant colonies (Hymenoptera, Formicidae): inter and intraspecific competition. Ethology 84:105-122.

Exploitation of food resources by the ant Tapinoma nigerrimum.

Cerdà X, Retana J, Bosch J, Alsina A (1990) Exploitation of food resources by the ant Tapinoma nigerrimum. Acta Oecologica - Oecologia Generalis 10, Serie A:105-122.

Tracers and constituents indicating the nature of organic fluxes, their origin and the effect of environmental conditions.

Gadel F, Puigbó A, Alcañiz JM, Charrieres B, Serve L (1990) Tracers and constituents indicating the nature of organic fluxes, their origin and the effect of environmental conditions. Continental Shelf Research 10:1039-1062.

Characterization of electrophoretic fractions of humic substances with different electrofocusing behaviour.

De Nobili M, Bragato G, Alcañiz JM, Puigbó A (1990) Characterization of electrophoretic fractions of humic substances with different electrofocusing behaviour. Soil Science 150:763-770.

A new myrmecophilic fungus Aegeritella maroccana sp. nov. (Hyphomycetales: Blastosporae).

Balazy S, Espadaler X, Wisniewski J (1990) A new myrmecophilic fungus Aegeritella maroccana sp. nov. (Hyphomycetales: Blastosporae). Mycological Research 94:273-275.

The caste system of Camponotus foreli Emery (Hymenoptera, Formicidae).

Espadaler X, Retana J, Cerdà X (1990) The caste system of Camponotus foreli Emery (Hymenoptera, Formicidae). Sociobiology 17, ser. 2:299-312.