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Contrasting physiological responses of Sphagnum and vascular plants to a heatwave in a temperate peatland

Version 1.0

Abdelmajeed, Abdallah Yussuf Ali; Pilar Cendrero-Mateo, Maria; Raihan, Md. Rakib Hossain; Antala, Michal; Stróżecki, Marcin; Rastogi, Anshu; Wang, Sheng; Juszczak, Radosław, 2026, "Contrasting physiological responses of Sphagnum and vascular plants to a heatwave in a temperate peatland", https://doi.org/10.18150/GDSYNE, RepOD, V1

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Description

[ENG:]

The dataset was collected at the Rzecin peatland research station (52.75°N, 16.30°E) in northwestern Poland during the 2024 growing season (17 May – 7 September 2024; five field campaigns C1–C5). It comprises four CSV files: (1) daily tower-based meteorological aggregates (air temperature, VPD, precipitation, PPFD, relative humidity) and water-table depth at nine plots P1–P9 for the full calendar year 2024 (meteo_daily.csv); (2) leaf-level OJIP chlorophyll-a fluorescence transient parameters from dark-adapted leaves measured with a HandyPEA fluorometer on four species (Carex, Comarum, Sphagnum, Vaccinium) across nine plots (ojip_leaf_level_clean.csv – JIP-test performance indices and specific energy fluxes per reaction centre: PIabs, ABS/RC, TRo/RC, ETo/RC, DIo/RC); (3) leaf chlorophyll content (Chl a + b) measured with a CCM-300 chlorophyll-content meter, in mg m⁻² (ccm_leaf_level_clean.csv); (4) peat pore-water chemistry – dissolved nitrogen species (NH4, NO2, NO3, organic N, total N), phosphorus species (PO4, total P) and base cations (K, Mg, Ca), in mg L⁻¹ (nutrients_clean.csv). Sampling was designed to capture short-term physiological responses of Sphagnum and vascular plants to the 2024 European heatwave; a heatwave flag (TRUE/FALSE) is recorded in the campaign files.

[PL:]

Zbiór danych obejmuje pomiary wykonane na torfowisku Rzecin (52,75°N, 16,30°E) w północno-zachodniej Polsce w sezonie wegetacyjnym 2024 (17 maja – 7 września 2024; pięć kampanii terenowych C1–C5). Zawiera cztery pliki CSV: (1) codzienne agregaty meteorologiczne (temperatura powietrza, VPD, opady, PPFD, wilgotność względna) oraz poziom wody gruntowej na dziewięciu poletkach P1–P9 z pełnego roku kalendarzowego 2024 (meteo_daily.csv); (2) parametry testu JIP wyznaczone z przejściowej fluorescencji chlorofilu a (OJIP) z liści ciemnoadaptowanych, mierzone fluorymetrem HandyPEA na czterech gatunkach (Carex, Comarum, Sphagnum, Vaccinium) i dziewięciu poletkach (ojip_leaf_level_clean.csv – wskaźniki wydajności PIabs oraz specyficzne strumienie energii na RC: ABS/RC, TRo/RC, ETo/RC, DIo/RC); (3) zawartość chlorofilu w liściach (chl a + b) zmierzona miernikiem CCM-300, w mg m⁻² (ccm_leaf_level_clean.csv); (4) chemia wody porowej torfowiska – rozpuszczone formy azotu (NH4, NO2, NO3, Norg, TN), fosforu (PO4, TP) oraz kationy zasadowe (K, Mg, Ca), w mg L⁻¹ (nutrients_clean.csv). Pomiarami objęto okres europejskiej fali upałów 2024 – flaga heatwave (PRAWDA/FAŁSZ) jest zapisana w plikach kampanijnych. Zbiór umożliwia analizę krótkoterminowych reakcji fizjologicznych torfowców i roślin naczyniowych na połączony stres cieplny i suszę.

Subject
Agricultural Sciences; Earth and Environmental Sciences; Engineering
Keyword

peatland, heatwave, chlorophyll a fluorescence, OJIP, energy partitioning

2029-07-06

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