Distribuzione degli enzimi in tre frazioni organiche del terreno a diverso peso moleculare.

Ceccanti B, Alcañiz JM, Comellas L, Puigbó A (1990) Distribuzione degli enzimi in tre frazioni organiche del terreno a diverso peso moleculare. Fertilità del Suolo e Nutrizione delle Piante 1:267-271.

Effects of climatic change on nutrient transfers between ecosystems.

Lledó MJ, Escarré A, Sánchez JR, Avila A, Bellot J, Belillas C, Piñol J, Rodà F (1990) Effects of climatic change on nutrient transfers between ecosystems. In Imeson AC, de Groot RS (eds) Landscape-ecological impact of climatic change on the Mediterranean region. The Hague. Discussion Report for the European Conference on Landscape Ecological Impact of Climatic Change, Lunteren, The Netherlands, 3-7 december 1989, 8pp.

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.

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