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• Forests of the sand-hill region of the Danube–Tisza Interfluve (Convallario-Carpinetum Kevey 2008)

  49–76

  Balázs Kevey

  Views:

  229

  The heavily fragmented and isolated pedunculate oak-hornbeam forests are remnants of the natural vegetation of the sand dune area of the Danube–Tisza Interfluve, where they are found mostly in inter­dunal depressions. To determine their main phytosociological characteristics, we collected and ana­lyzed data from 25 stands. The results show that these forests are the most similar in species composi­tion to the oak-hornbeam forests (Convallario-Carpinetum Kevey 2008) described from the Nyírség.

• Dry oak woods on the Szentendre Island

  147-178

  Balázs Kevey

  Éva Irén Bőhm

  Views:

  162

  The phytosociological characteristics of the oak woods on the Szentendre Island were first studied 70 years ago. We conducted a follow-up study to determine the phytosociological relationships of theses woods and assess their possible changes over time. We found that these woods are most similar in their phytosociological characteristics to the closed pedunculate oak forests occurring in the high floodplain in the Szigetköz area (Melico nutantis-Quercetum roboris) along the Danube. Our results also showed a marked increase in the proportion of natural weeds, introduced species and invasive aliens in the studied woods.

• Leucanthemella serotina in the Dráva Plain (Hungary)

  227-230

  Krisztián Kóczián

  János Csiky

  Views:

  344

  New stands of Leucanthemella serotina (L.) Tzvelev were found on the Hungarian side of the Dráva Plain. This legally protected species has not been found in the region for about 150 years. In the text, we report the maximum plant height, and thousand seed weight of the species as well as the species composition of its preferred habitats.