[Accumulation of radiocaesium by the mycelium and fruit bodies of mushrooms in the soils of forest ecosystems]

biologie forestière biología forestal caesium cesio champignon comestible contaminación radiactiva contamination radioactive césium edible fungi encuestas forestales enquête forestière forest soils forest surveys forestry biology micelio mycelium radiactividad radioactive contamination radioactivity radioactivité radioisotopes radioisotopos setas comestibles sol de forêt suecia suelo forestal suède sweden