Humusica 2, Article 9: Histic humus systems and forms -Specific terms, diagnostic horizons and overview

This paper presents the specific terms of vocabulary and diagnostic horizons necessary for a field classification of submerged Histic humipedons (peats, moors). It is simply an exposition of definitions placed side by side with photographic samples, with rather practical interest. The knowledge reported here is mandatory for people wanting to use the key of classification of these humipedons presented in Humusica 2, article 10. The paper illustrates with schemes the spatial and functional relationships between diagnostic horizons of different Histic humipedons.