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Topola
2021, broj 208, str. 27-38

Izvorni naučni rad
DOI: 10.5937/topola2108027S
UDK: 631.618:582.091

Selecting tree species for reclamation of coal mine tailings based on physiological parameters


Srđan Stojnić 1*, Mirjana Bojović 2, Andrej Pilipović 1, Saša Orlović 1


1 University of Novi Sad, Institute of Lowland Forestry and Environment, Novi Sad, Serbia
2 Educons University, Faculty of Ecological Agriculture, Sremska Kamenica, Serbia

Autor za korespodenciju:
Srđan Stojnić, E-mail: srdjan.stojnic@uns.ac.rs


Izvod

In the present study we compared the physiological performances of Prunus avium L., Robinia pseudoacacia L., Juglans nigra L., and Populus xeuramericana cl. Pannonia, planted at the coal mine tailings of the Mining Basin "Kolubara" (Serbia), to assess the potential of different tree species for land reclamation. The measurements were conducted during three consecutive years characterized by contrasting climatic conditions (wet and drought). The results showed that the rate of net photosynthesis (A), stomatal conductance (gs) and transpiration rate (E) sharply declined in two dry years in all tree species. These trends were particularly evident for R. pseudoacacia and J. nigra, in which A, gs and E were twice as low during the dry years. On the other hand, R. pseudoacacia and P. x euramericana cl. Pannonia seedlings were characterized by the highest water-use efficiencyand intrinsic water-use efficiency during the dry years, indicating that these species are more efficient responders to drought, due to their ability to maintain a balance between the loss of water and the CO2 assimilation rates. The survival rate of the examined tree species was high (>86%) and increased in the following order: P. avium < J. nigra < R. pseudoacacia < P. x euramericana cl. Pannonia. Based on the obtained results we recommend R. pseudoacacia and P. x euramericana cl. Pannonia as a good solution for afforestation and revitalization of degraded habitats, such as coal mine tailings, although high survival rate, observed in P. avium and J. nigra, makes these two species a candidate for planting during degraded sites reclamation, as well.


Ključne reči: coal mine tailings, afforestation, reclamation, tree species, gas exchange

Nazad na vrh

Univerzitet u Novom Sadu
Institut za nizijsko šumarstvo i životnu sredinu
Antona Čehova 13d
21000 Novi Sad
Republika Srbija
Tel: 021 540 383
E-mail: ilfe@uns.ac.rs
www.ilfe.org