Zone de Texte: Distribution of the ALB-infested trees in Sainte-Anne-sur-Brivet (Loire-Atlantique), France (source : French Plant Protection Service) Zone de Texte: 400 m Zone de Texte: 2004 55 infested trees Zone de Texte: 2005 29 infested trees Zone de Texte: 2005 Zone de Texte: The monitored area was extended 1-km further the most remote trees 78 km of hedge rows, along roads and fields, were also monitored Zone de Texte: 2700 m

Previous
1  2  3  4  5  6  7  8  9  10  11  12  13  14  15  16  17  18  19  20  21  22  23  24  25  26 
Next