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The ecology of Danish soil inhabiting Pezizales with emphasis on edaphic conditions
Author(s) -
Petersen P. M.
Publication year - 1984
Publication title -
nordic journal of botany
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.333
H-Index - 33
eISSN - 1756-1051
pISSN - 0107-055X
DOI - 10.1111/j.1756-1051.1984.tb02011.x
Subject(s) - edaphic , habitat , ecology , biology , organic matter , pteridophyte , range (aeronautics) , soil water , materials science , composite material , fern
The occurrence of 93 species of soil inhabiting Pezizales was studied on the basis of 699 site descriptions and soil samples, the latter analyzed for 15 edaphic variables. For species represented by 10 samples or more, the median value of each of the edaphic variables is given, and the range of pH, water soluble Al, CaCO 3 , and 0.2 N H 2 SO 4 –soluble P. For species represented by from 5 to 9 samples the range of pH and organic matter is given. 13 habitat types are described. The verges of forest roads proved to be the most important habitat type (247 sites, 57 species). The distribution in Denmark of 20 common species is compared with the geographical variation in quaternary and prequaternary geology, and with the distribution of soil types. It is concluded that the importance in the investigation area of disturbed ground as a habitat for soil inhabiting Pezizales is due to unleached mineral soil being brought to the surface, creating edaphic conditions favourable to a large number of species. – Although it is impossible, on the basis of the present investigation, to state definitively whether one or more edaphic variables are of particular importance in determining the occurrence of the species, there are certain indications that pH – and in some cases organic matter – are of special significance. A grouping of the species into five ecological groups on the basis of the median value of pH and organic matter is proposed. The habitats of soil inhabiting Pezizales in the investigation area and in other parts of the world are compared.