J. Modrzyński

ORCID: 0000-0002-9358-1398
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About
Contact & Profiles
Research Areas
  • Botany and Plant Ecology Studies
  • Forest ecology and management
  • Integrated Water Resources Management
  • Plant Water Relations and Carbon Dynamics
  • Tree-ring climate responses
  • Forest Ecology and Biodiversity Studies
  • Lichen and fungal ecology
  • Ecology and Vegetation Dynamics Studies
  • Soil Carbon and Nitrogen Dynamics
  • Light effects on plants
  • Polish Historical and Cultural Studies
  • Ecology and Conservation Studies
  • Language and Culture
  • Geology and Environmental Impact Studies
  • Seedling growth and survival studies
  • Atmospheric and Environmental Gas Dynamics
  • Plant nutrient uptake and metabolism
  • Sustainable Development and Environmental Management
  • Soil Moisture and Remote Sensing
  • Study of Mite Species
  • Marine and coastal plant biology
  • Historical and Cultural Studies of Poland
  • Botanical Studies and Applications
  • Biocrusts and Microbial Ecology
  • Renewable energy and sustainable power systems

University of Life Sciences in Poznań
2011-2023

Texas A&M University
2016

University of Life Sciences in Lublin
2005-2015

Poznań University of Economics and Business
2013

University of Agriculture in Krakow
1998-2003

Instytut Środowiska Rolniczego i Leśnego Polskiej Akademii Nauk
1988-2002

University of Agriculture Faisalabad
1997

Polish Academy of Sciences
1995

Institute of Dendrology
1995

Abstract Tree species can influence biogeochemistry through variation in the quantity and chemistry of their litter, associated impacts on soil heterotrophic community. However, role that different plant traits play these processes is not well understood, nor it clear whether effects soils largely reflect a gymnosperm vs. angiosperm contrast. Using replicated, long‐term monoculture plot experiment, we examined among 14 tree 30 years after establishment, assessed litter vis‐à‐vis such...

10.1111/j.1461-0248.2005.00779.x article EN Ecology Letters 2005-06-23

1. There are conflicting reports concerning the adaptive features of tree populations originating from cold, high‐altitude environments. We hypothesize that such trees will possess be demonstrated in a common environment, as elevated rates net CO 2 exchange, needle nitrogen concentration and high proportional biomass allocation to roots. To test this hypothesis we measured seed properties 54 Norway spruce [ Picea abies (L.) Karst.] located along eight altitudinal transects (from c. 600...

10.1046/j.1365-2435.1998.00236.x article EN Functional Ecology 1998-08-01

There is abundant evidence that evergreen conifers living at high elevations or latitudes have longer-lived needles than trees of the same species elsewhere. This pattern likely caused by influence low temperature in combination with related factors such as a short growing season and nutrient availability. Because it not known to what degree patterns result from phenotypic versus genotypic variation, we evaluated needle longevity for common-garden-grown lowland populations European Scots...

10.1093/treephys/16.7.643 article EN Tree Physiology 1996-07-01

Initial growth of germinated seeds is an important life history stage, critical for establishment and succession in forests. Important questions remain regarding the differences among species early potential arising from shade tolerance. In addition, role leaf habit shaping relationships underlying tolerance-related seedling remains unresolved. this study we examined variation morphological physiological traits seedlings 10 forest tree European temperate zone varying tolerance (broadleaved...

10.1093/treephys/tpv053 article EN Tree Physiology 2015-06-26

• A wide variety of transparent materials are currently used for minirhizotron tubes. We tested the null hypothesis that composition does not influence root morphology and dynamics. Minirhizotron data were compared glass, acrylic butyrate tubes in apple (Malus domestica) a study with six forest tree species. Root phenology generally similar among Apple production was greatest against glass; these roots became pigmented later lived longer than near or butyrate. Roots faster next to acrylic....

10.1046/j.1469-8137.2003.00903.x article EN New Phytologist 2003-11-17

Mechanisms of shade tolerance in tree seedlings, and thus growth shade, may differ by leaf habit vary with ontogeny following seed germination. To examine early responses seedlings to relation morphological, physiological biomass allocation traits, we compared 10 temperate species, varying their (broadleaved versus needle-leaved) observed when growing two contrasting light treatments - open (about 20% full sunlight) 5% sunlight). We analyzed its response using allometric relationships. also...

10.1111/plb.12531 article EN Plant Biology 2016-12-17

Tree populations are typically adapted to their local environments, and this adaptive ability is crucial for the maintenance of resilient forest ecosystems. Norway spruce an important tree species in temperate boreal forests Europe, but it highly vulnerable climate change-associated risks. The aim study was investigate associations between growth, phenology a 33-year-old common garden experiment testing progeny 48 from elevational gradients within two European mountain ranges - Carpathian...

10.1016/j.foreco.2023.121118 article EN cc-by Forest Ecology and Management 2023-05-23

The isoenzymatic studies performed on nine <em>Picea abies</em> H. Karst populations from Poland, indicated considerable genetic variation among investigated stands. Genetic similarities have demonstrated a clear pattern of geographic variability. Three the studied (Zwierzyniec, Nowe Ramuki and Orawa) shown markedly diverse characteristics compared to remaining populations. mountain formed one group with two related subgroups. mean number alleles per locus (A / L = 2,22) level...

10.5586/asbp.1998.010 article EN cc-by Acta Societatis Botanicorum Poloniae 2013-04-08

Abstract The Kaszuby Lake District is located beyond the natural range of Norway spruce, however its share in local forest stands considerable (14.8%) and vitality growth are here not less than within range. study presents results stock-taking regeneration spruce this region year 2002 2012 relevant silvicultural recommendations. stock was taken using electronic database Regional Headquarters State Forests Gdańsk. put into following categories: seedlings (height below 0.5 m), lower advanced...

10.1515/frp-2015-0007 article EN Forest Research Papers 2015-03-01

Abstract The paper investigates the biometric characteristics natural Norway spruce ( Picea abies (L.) Karst.) regeneration in Kaszuby Lake District, which is beyond acknowledged range, with Augustów Forest situated deep within Warmia, at edge of range and West-Pomerania District far range. For each region, four tree stands similar light conditions on forest floor were selected, including two cambisols brunic arenosols. All sites contained naturally regenerating spruces 16–17 years age....

10.1515/frp-2017-0034 article EN Forest Research Papers 2017-12-01

[fr] Les plantes de cinq populations l'épicéa commun [Picea abies (L.) Karst.] provenant des différentes altitudes du massif Snieznik Klodzki dans les Sudètes (une chaîne montagnes en Pologne) ont été cultivées la serre. Leurs paramètres suivants analysés: hauteur, longueur racines, le poids frais et sec tiges, aiguilles, bourgeons l'allocation biomasse. La haute corrélation a notée entre l'altitude stations arbres ayant semenciers graines. Ce résultat montre une plutôt bonne adaptation...

10.3989/pirineos.1997.v149-150.127 article EN cc-by Pirineos 1997-12-30
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