Understanding properly the `potential natural vegetation' concept
2010
Loidi, Javier | del Arco, Marcelino | Pérez de Paz, Pedro Luis | Asensi, Alfredo | Díez Garretas, Blanca | Costa, Manuel | Díaz González, Tomás | Fernández-González, Federico | Izco, Jesús | Penas, Angel | Rivas-Martínez, S. | Sánchez Mata, Daniel
This is a response to critical comments concerning the inappropriate use of the potential natural vegetation (PNV) concept made in a recent contribution to the Commentary section of this journal. We consider that the PNV concept has been misinterpreted. PNV has been used extensively in several European countries since the mid-1950s and was never intended to be used to make a prediction of what vegetation would dominate in an area if human influence were removed. PNV maps express hypothetical assumptions of what corresponds to dominant or natural vegetation in each area. Remnants of the vegetation of the past provided by palaeopalynology and other disciplines provide valuable information for interpreting modern vegetation, but natural changes and anthropogenic influences operating over the last millennia have to be taken into account. Annex I of the Habitats Directive provides a balanced list of habitat types for implementing conservation policies within the European Union.
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