UV-B radiation induced changes in litter quality affects earthworm growth and cast characteristics as determined by metabolic fingerprinting

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UV-B radiation induced changes in litter quality affects earthworm growth and cast characteristics as determined by metabolic fingerprinting. / Gwynn-Jones, Dylan; Huang, Wei; Easton, Gary L.; Goodacre, Royston; Scullion, John.

Yn: Pedobiologia, Cyfrol 47, Rhif 5-6, 2003, t. 784-787.

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@article{d9788f3afd51496995b7f2142bf26624,
title = "UV-B radiation induced changes in litter quality affects earthworm growth and cast characteristics as determined by metabolic fingerprinting",
abstract = "We investigated whether exposure to UV-B results in biochemical changes in leaf litter, affecting growth rates of earthworms feeding on this litter and cast chemistry. Seedlings of Betula pubescens L. were grown under zero and ambient UV-B (at 52 °N) regimes under optimal conditions. Following three months exposure, plants were allowed to senesce and leaf litter was collected. Lumbricus terrestris and Lumbricus rubellus were offered three substrates – processed oat grain, zero UV-B leaf litter and ambient UV-B leaf litter. Fourier transform infrared spectroscopy (FT-IR) analyses indicated that these substrates differed markedly in their composition, showing separation according to UV-B treatment and oat grain. There were no significant effects of UV-B treatment on the mass of earthworms feeding on litter, although trends suggested that L. rubellus benefited from the UV-B treated litter whilst L. terrestris showed the converse response. FT-IR analyses of L. terrestris casts showed more consistent differences in their biochemistry than was the case for litter. UV-B induced changes in living leaf material introduced to soil, even after earthworm processing, may have implications for cast microbial communities and nutrient cycling.",
keywords = "UV-B, birch litter, earthworms, FT-IR spectroscopy",
author = "Dylan Gwynn-Jones and Wei Huang and Easton, {Gary L.} and Royston Goodacre and John Scullion",
note = "Gwynn-Jones, D., Huang, W., Easton, G., Goodacre, R., Scullion, J. (2003). UV-B radiation induced changes in litter quality affects earthworm growth and cast characteristics as determined by metabolic fingerprinting.   Pedobiologia, 47, (5-6), 784-787.",
year = "2003",
doi = "10.1078/0031-4056-00258",
language = "English",
volume = "47",
pages = "784--787",
journal = "Pedobiologia",
issn = "0031-4056",
publisher = "Elsevier",
number = "5-6",

}

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TY - JOUR

T1 - UV-B radiation induced changes in litter quality affects earthworm growth and cast characteristics as determined by metabolic fingerprinting

AU - Gwynn-Jones, Dylan

AU - Huang, Wei

AU - Easton, Gary L.

AU - Goodacre, Royston

AU - Scullion, John

N1 - Gwynn-Jones, D., Huang, W., Easton, G., Goodacre, R., Scullion, J. (2003). UV-B radiation induced changes in litter quality affects earthworm growth and cast characteristics as determined by metabolic fingerprinting.   Pedobiologia, 47, (5-6), 784-787.

PY - 2003

Y1 - 2003

N2 - We investigated whether exposure to UV-B results in biochemical changes in leaf litter, affecting growth rates of earthworms feeding on this litter and cast chemistry. Seedlings of Betula pubescens L. were grown under zero and ambient UV-B (at 52 °N) regimes under optimal conditions. Following three months exposure, plants were allowed to senesce and leaf litter was collected. Lumbricus terrestris and Lumbricus rubellus were offered three substrates – processed oat grain, zero UV-B leaf litter and ambient UV-B leaf litter. Fourier transform infrared spectroscopy (FT-IR) analyses indicated that these substrates differed markedly in their composition, showing separation according to UV-B treatment and oat grain. There were no significant effects of UV-B treatment on the mass of earthworms feeding on litter, although trends suggested that L. rubellus benefited from the UV-B treated litter whilst L. terrestris showed the converse response. FT-IR analyses of L. terrestris casts showed more consistent differences in their biochemistry than was the case for litter. UV-B induced changes in living leaf material introduced to soil, even after earthworm processing, may have implications for cast microbial communities and nutrient cycling.

AB - We investigated whether exposure to UV-B results in biochemical changes in leaf litter, affecting growth rates of earthworms feeding on this litter and cast chemistry. Seedlings of Betula pubescens L. were grown under zero and ambient UV-B (at 52 °N) regimes under optimal conditions. Following three months exposure, plants were allowed to senesce and leaf litter was collected. Lumbricus terrestris and Lumbricus rubellus were offered three substrates – processed oat grain, zero UV-B leaf litter and ambient UV-B leaf litter. Fourier transform infrared spectroscopy (FT-IR) analyses indicated that these substrates differed markedly in their composition, showing separation according to UV-B treatment and oat grain. There were no significant effects of UV-B treatment on the mass of earthworms feeding on litter, although trends suggested that L. rubellus benefited from the UV-B treated litter whilst L. terrestris showed the converse response. FT-IR analyses of L. terrestris casts showed more consistent differences in their biochemistry than was the case for litter. UV-B induced changes in living leaf material introduced to soil, even after earthworm processing, may have implications for cast microbial communities and nutrient cycling.

KW - UV-B

KW - birch litter

KW - earthworms

KW - FT-IR spectroscopy

U2 - 10.1078/0031-4056-00258

DO - 10.1078/0031-4056-00258

M3 - Article

VL - 47

SP - 784

EP - 787

JO - Pedobiologia

JF - Pedobiologia

SN - 0031-4056

IS - 5-6

ER -

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