Ecosystem surveys

Laguna tra fiumi e mare

Cilento : natura e paesaggi del parco

El patrimonio natural de la comarca de Barcelona. Medidas necesarias para su proteccion y conservacion : los recursos renovables terrestres

Multiple criteria grouping methodology for wetland ecosystems

Salt marshes and sand dune ecosystems in the north Aegean coastal areas

Assessment of the ecological value of the Kalamas river delta and preliminary management proposals : (phase 1:1992)

El patrimoni natural d'Andorra : els sistemes naturals andorrans i llur utilizació

Arid and semiarid lands : sustainable use and management in developing countries

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