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Maciej Skorupski – One of the best experts on this subject based on the ideXlab platform.

  • Impacts of soil conditions and light availability on natural regeneration of Norway spruce Picea Abies (L.) H. Karst. in low-elevation mountain forests
    Annals of Forest Science, 2018
    Co-Authors: Marcin K. Dyderski, Anna Gazda, Mariusz Hachułka, Paweł Horodecki, Izabela L. Kałucka, Jacek Kamczyc, Marek Malicki, Remigiusz Pielech, Michał Smoczyk, Maciej Skorupski

    Abstract:

    Abstract• Key messageNatural regeneration ofP. Abies(L.) H. Karst. may reach high densities in lower mountain elevations. The highest densities were found in sites with moderate light availability, with low pH, and not near the riverbank. However, age-height classes differed in the predicted magnitude of response, but were consistent in response directions. Mosses and understory species typical of coniferous forests were positively correlated with regeneration density.• ContextNorway spruce Picea Abies (L.) H. Karst. in Central Europe is at risk under climate change scenarios, particularly in mountain regions. Little is known about the impact of environmental factors on the natural regeneration of P. Abies in low-elevation mountain forests.• AimsWe aimed to assess impacts of distance from the riverbank, soil pH, and light availability on natural P. Abies regeneration. We hypothesized that (1) natural P. Abies regeneration would depend on light availability and soil pH and (2) there are understory plant species which may indicate the microsites suitable for natural regeneration of P. Abies.• MethodsThe study was conducted in the Stołowe Mountains National Park (SW Poland, 600–800 m a.s.l.). We established 160 study plots (25 m2) for natural regeneration, light availability, soil pH, and understory vegetation assessment.• ResultsThe highest densities of natural regeneration of P. Abies were observed in sites with moderate light availability (0.1–0.2 of open sky) and low pH (3.5–4.5), and located relatively far from the riverbank. Cover of 22 understory plant species were correlated with natural P. Abies regeneration densities, mostly positively.• ConclusionDifferent stages of natural regeneration of P. Abies revealed different regeneration niches. Most understory plant species (bryophytes and herbs typical of coniferous forests) do not compete with natural regeneration of P. Abies.

Azize Toper Kaygin – One of the best experts on this subject based on the ideXlab platform.

  • Scale insects of the conifer trees in Turkey and their zoogeographical distribution
    Journal of Pest Science, 2004
    Co-Authors: Selma Ülgentürk, Hasan Çanakçioğlu, Azize Toper Kaygin

    Abstract:

    In Turkey, 25 species of Coccoidea (Homoptera) are recorded on Conifera tree species. The family Diaspididae has 15, Coccidae 6, Pseudococcidae 3, and Margarodidae 1 species. Specifically, Dynaspidiotus spp. are recorded on Abies, Cedrus, Picea, and Pinus ; Leucaspis spp. on Pinus spp.; Carulaspis spp. on Biota, Cupressus, Juniperus, and Thuja; Lepidosaphes spp. on Abies, Biota, Juniperus, and Picea; Coccus spp. on Abies, Cedrus, and Pinus; and Planococcus spp. on Cupressus, Juniperus, and Pinus species. Acanthomytilus cedricola is recorded only on Cedrus spp.; Physokermes piceae on Abies and Picea species; and Marchalina hellenica only on Pinus species. Two species are Native, five are Cosmopolitan, 15 are Palaearctic, and 3 are of Mediterranean origin.

Marcin K. Dyderski – One of the best experts on this subject based on the ideXlab platform.

  • Impacts of soil conditions and light availability on natural regeneration of Norway spruce Picea Abies (L.) H. Karst. in low-elevation mountain forests
    Annals of Forest Science, 2018
    Co-Authors: Marcin K. Dyderski, Anna Gazda, Mariusz Hachułka, Paweł Horodecki, Izabela L. Kałucka, Jacek Kamczyc, Marek Malicki, Remigiusz Pielech, Michał Smoczyk, Maciej Skorupski

    Abstract:

    Abstract• Key messageNatural regeneration ofP. Abies(L.) H. Karst. may reach high densities in lower mountain elevations. The highest densities were found in sites with moderate light availability, with low pH, and not near the riverbank. However, age-height classes differed in the predicted magnitude of response, but were consistent in response directions. Mosses and understory species typical of coniferous forests were positively correlated with regeneration density.• ContextNorway spruce Picea Abies (L.) H. Karst. in Central Europe is at risk under climate change scenarios, particularly in mountain regions. Little is known about the impact of environmental factors on the natural regeneration of P. Abies in low-elevation mountain forests.• AimsWe aimed to assess impacts of distance from the riverbank, soil pH, and light availability on natural P. Abies regeneration. We hypothesized that (1) natural P. Abies regeneration would depend on light availability and soil pH and (2) there are understory plant species which may indicate the microsites suitable for natural regeneration of P. Abies.• MethodsThe study was conducted in the Stołowe Mountains National Park (SW Poland, 600–800 m a.s.l.). We established 160 study plots (25 m2) for natural regeneration, light availability, soil pH, and understory vegetation assessment.• ResultsThe highest densities of natural regeneration of P. Abies were observed in sites with moderate light availability (0.1–0.2 of open sky) and low pH (3.5–4.5), and located relatively far from the riverbank. Cover of 22 understory plant species were correlated with natural P. Abies regeneration densities, mostly positively.• ConclusionDifferent stages of natural regeneration of P. Abies revealed different regeneration niches. Most understory plant species (bryophytes and herbs typical of coniferous forests) do not compete with natural regeneration of P. Abies.