First signs of old-growth structure and composition of an oak forest after four decades of abandonment
-
Réka Aszalós
, Ferenc Horváth
, Katalin Mázsa , Péter Ódor , Attila Lengyel , Gabriella Kovács and János Bölöni
Abstract
The lack of natural references of dry-mesic oak forests creates conceptual obstacles for their conservation and close-to-nature management in Central Europe. Single-tree inventory was used to investigate stand characteristics and old-growth attributes of a Quercus petraea (Matt.) Liebl. and Q. cerris L. dominated, 120-year-old stand in a Hungarian forest reserve, abandoned approximately 40 years ago. All individuals were recorded with diameter ≥ 5 cm on the 3 ha study site. Logs, stumps, saplings and seedlings were also surveyed. 582 woody stem/ha belonging to 14 species were measured with single-tree inventory. Basal area values showed the total dominance of oaks in the canopy layer (99%) as a legacy of the long-term human exploitation. In contrast, young individuals of oak species were almost missing, and Acer campestre L. dominated the lower layers, indicating the transitional nature of the stand. Diameter classes showed a marked bimodal distribution. Both the abandonment of the reserve and the precedent severe oak decline contributed to the relatively high amount of dead wood (46 m3/ha). Four decades of abandonment is rather short time interval to generate a diverse forest composition and structure in a mature dry-mesic oak forest. The dense regeneration and shrub layer and the upsurgence of admixing species indicate the shift towards the uneven-aged and compositionally more diverse old-growth oak forest state. Among the structural forest features the dead wood had similar values as old-growth forests. If the recent trend continues, the studied oak forest develops towards a mixed forest with significantly lower ratio of oak species.
Acknowledgements
The authors thank the long-term support of the Hungarian Forest Reserve Programme (Ministry of Agriculture). Our research is supported by the Hungarian Research Fund (OTKA K-105896) and National Research, Development and Innovation Office and by the NKFIH (GINOP-2.3.2-15-2016-00019) project. We thank Miklós Kertész and Andrzej Bobiec for very helpful comments on the manuscript.
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- Identifying white spots on the roadmap of Late Pleistocene and Holocene palaeolimnology in Slovakia: Review and future directions
- Cellular and Molecular Biology
- Purification of small-size acidic proteoglycan-like domain of carbonic anhydrase IX fused with thioredoxine expressed in Escherichia coli for structural characterization
- Botany
- Functional and morphological traits of epiphytic lichens in the Western Carpathian oak forests reflect the influence of air quality and forest history
- Botany
- Clonostachys rosea associated with ponderosa and Coulter pine needles in Slovakia
- Botany
- First signs of old-growth structure and composition of an oak forest after four decades of abandonment
- Botany
- Factors responsible for the distribution of invasive plant species in the surroundings of railway areas. A case study from SE Poland
- Botany
- The role of lipids and polysaccharides in model root mucilage with implications for the surface activity of the rhizosphere
- Botany
- Physiological and proteomic changes in Zizania latifolia under chilling stress
- Botany
- Novel polymorphic EST-based microsatellite markers characterized in lettuce (Lactuca sativa)
- Cellular and Molecular Biology
- Identification of a HSP40 gene involved in planarian regeneration
- Zoology
- A new species of Bothropolys and a new record of Lithobius magnitergiferous (Lithobiidae) from the Qinghai-Tibet Plateau, China
- Zoology
- Myriapod (Chilopoda, Diplopoda) communities in hedgerows of upland agricultural landscape
- Zoology
- A new cockroach, with bipectinate antennae,(Blattaria: Olidae fam. nov.) further highlights the differences between the Burmite and other faunas
- Zoology
- Pre-winter larval activity and feeding behavior of Erebia aethiops and E. cassioides in Austrian Alps
- Zoology
- Genetic structure of Apis mellifera carnica in Slovakia based on microsatellite DNA polymorphism
- Zoology
- Amphibians in Czech zoological gardens — trends and implications for conservation
- Zoology
- Phenetic similarity of European golden jackal (Canis aureus moreoticus) populations from southeastern Europe based on craniometric data
- Celluar and Molecular Biology
- Fucoidan from Undaria pinnatifida regulates type II collagen and COX-2 expression via MAPK and PI3K pathways in rabbit articular chondrocytes
- Zoology
- Changes in expression of neurotrophins and neurotrophic factors in the model of eosinophilic inflammation of the esophageal mucosa
- Celluar and Molecular Biology
- The growth inhibitory effects of garlic polysaccharide combined with cis-dichlorodiamine platinum on human HepG2 cells
- Erratum
- Reptile surveys reveal high species richness in areas recovering from mining activity in the Brazilian Cerrado