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The data presented in this article are related to the research article entitled “Habitat preferences of Hericium erinaceus in Slovakia” (Kunca and Čiliak, 2016) [FUNECO607] . The dataset include all available and unpublished data from Slovakia, besides the records from the same tree or stem. We compiled a database of records of collections by processing data from herbaria, personal records and communication with mycological activists. Data on altitude, tree species, host tree vital status, host tree position and intensity of management of forest stands were evaluated in this study. All surveys were based on basidioma occurrence and some result from targeted searches.
Value of the data
In total, 60 records of H. erinaceus from Slovakia were included in this study, of which basidioma specimens exist or were confirmed in 19 records. A majority (70%) had accompanying altitude, all host tree identification (tree genus or species) and vital status and standing or fallen stem indication. We were able to assign forest stand naturalness to 38 of the 60 records.
We compiled a database of unpublished records of collections of H. erinaceus in Slovakia by processing data from herbaria (public herbaria BRA, SLO – abbreviations of public herbaria adhere to Index Herbariorum ), personal records (private herbarium of Vladimír Kunca (PVKU)) and communication with mycological activists (www.nahuby.sk). These records are summarized in Table 1. The records originate from the whole territory of Slovakia and include habitats considered suitable for the species. More than 20 individual collectors contributed most of the records collected from a range of forest types throughout the year.
Data on altitude, host tree species, host tree vital status, host tree position and intensity of management of forest stands were included in this study. All surveys were based on basidioma occurrence and some result from targeted searches. All records describing the same tree, stem or stump were evaluated only once.
Classification of forest stands in terms of management and naturalness followed that of . Virgin forest is almost unaffected by humans, typical by natural tree species composition, spontaneous development, multi-aged structure, long continuity. Natural forest is formed by natural processes but influenced by human activities in the past (50 years and more ago, namely selective cutting of individual trees, selective removal of fallen or cut trees). In near-natural forest tree species composition largely corresponds to habitat conditions but the spatial structure is simpler than in the virgin or natural forest. Cultural forests are man-influenced forests where tree species composition corresponds more or less to habitat conditions but the stand is under permanent influence of conventional forest management. The species was also found in biotopes other than forest (in Table 1 in parenthesis) – in steppe (sandy soil with solitaire trees in region of very warm climate) and in city (solitaire tree in the urban ecosystem).
The categorisation of forest stands according to forest management plan (commercial, protection and special purpose forests) was considered top level, followed by in-situ assessment of trees species composition, age, horizontal and vertical structure, dead wood presence and occurrence of veteran trees. Actual tree species composition was compared to expected on the basis of forest site classification (based on soil, climate, water regime and landscape conditions) .
The research was financially supported by the Scientific Grant Agency of the Ministry of Education, Science, Research and Sport of the Slovak Republic and of the Slovak Academy of Sciences (VEGA 1/0362/13) and by the Cultural and Educational Grant Agency of the Ministry of Education, Science, Research and Sport of the Slovak Republic (KEGA 007TU Z-4/2015). We are grateful to Kvetoslava Balážová, Štefan Baláž, Vladimír Blaško, Erik Brozmann, Ľudmila Čillíková, Maroš Durdiak, RNDr. Martin Felčír, Michal Gašparík, Mgr. Ján Hraško, František Hubina, Matúš Hurbanič, Soňa Jančovičová, Stanislav Jankech, František Jankovič, František Ježo, Vladimír Juhás, Ivona Kautmanová, Pavol Kešeľák, Jaroslav Kuriplach, Ľubica Kuriplachová, Vladimír Macík, Bronislav Mandinec, Ing. Ivan Nagy, Mikuláš Lazor, Pavol Ocelka, Anton Pánis, Jozef Pavlík, Ing. Maroš Peiger, Ivan Polák, Jozef Rešetka, Dušan Solár, Martin Šandor, Matúš Škutka, Ladislav Špeta, Patrik Štibraný, Zuzana Štofková and Michal Wiezik for providing information on finds of H. erinaceus.
Transparency documentSupplementary data associated with this article can be found in the online version at doi:10.1016/j.dib.2017.02.056.