Seasonality of leaf litter and leaf area index data for various tree species in a cool-temperate deciduous broad-leaved forest, Japan, 2005–2014

Ecological Research, Apr 2017

This paper reports seasonal data regarding leaf litter for 14 deciduous broad-leaved species and one evergreen coniferous species as well as leaf area index (LAI) data for the 14 deciduous broad-leaved species in a cool-temperate deciduous broad-leaved forest in Japan. The seasonal leaf biomass of various tree species is important for accurately evaluating ecosystem functions such as photosynthesis and evapotranspiration under climate change. However, there is a lack of freely available, long-term data. We collected litterfall every 1 to 4 weeks from September or October to November or December each year from 2005 to 2014 in Takayama, Japan (36°08′46″N, 137°25′23″E, 1420 m a.s.l.). After sorting the litter into leaves (according to species categories), stems + branches, and “other”, we dried and weighed the litter groups. We also collected seasonal leaf data (number of leaves and leaf length and width) for each broad-leaved species, which we recorded every 1 to 4 weeks from April or May to October or November using multiple target shoots. To estimate the LAI in autumn for each deciduous broad-leaved species, we used a semi-empirical model of the vertical integration of leaf dry mass per unit leaf area. To estimate the LAI in spring and summer, we used the relationship between the LAI in autumn and the seasonal leaf data. Our data provide input, calibration, and validation parameters for determining LAI based on satellite remote-sensing observations or radiative transfer models and for use in ecosystem models.

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Seasonality of leaf litter and leaf area index data for various tree species in a cool-temperate deciduous broad-leaved forest, Japan, 2005–2014

Ecol Res Seasonality of leaf litter and leaf area index data for various tree species in a cool-temperate deciduous broad-leaved forest, Japan, 2005-2014 Shin Nagai 0 1 2 Kenlo Nishida Nasahara 0 1 2 Shinpei Yoshitake 0 1 2 Taku M. Saitoh 0 1 2 0 S. Yoshitake Æ T. M. Saitoh River Basin Research Center, Gifu University , 1-1 Yanagido, Gifu 501-1193 , Japan 1 K. N. Nasahara Faculty of Life and Environmental Sciences, University of Tsukuba , 1-1-1 Tennodai, Tsukuba, Ibaraki 305-8572 , Japan 2 S. Nagai (&) Department of Environmental Geochemical Cycle Research, Japan Agency for Marine-Earth Science and Technology , 3173-25 Showa-machi, Kanazawa-ku, Yokohama, Kanagawa 236-0001 , Japan This paper reports seasonal data regarding leaf litter for 14 deciduous broad-leaved species and one evergreen coniferous species as well as leaf area index (LAI) data for the 14 deciduous broad-leaved species in a cool-temperate deciduous broad-leaved forest in Japan. The seasonal leaf biomass of various tree species is important for accurately evaluating ecosystem functions such as photosynthesis and evapotranspiration under climate change. However, there is a lack of freely available, long-term data. We collected litterfall every 1 to 4 weeks from September or October to November or December each year from 2005 to 2014 in Takayama, Japan (36 08¢46¢¢N, 137 25¢23¢¢E, 1420 m a.s.l.). After sorting the litter into leaves (according to species categories), stems + branches, and ''other'', we dried and weighed the litter groups. We also collected seasonal leaf data (number of leaves and leaf length and width) for each broad-leaved species, which we recorded every 1 to 4 weeks from April or May to October or November using multiple target shoots. To estimate the LAI in autumn for each deciduous broad-leaved species, we The complete data set for this abstract published in the Data Paper section of the journal is available in electronic format in Ecological Research Data Paper Archives at http://db.cger.nies.go.jp/JaLTER /ER_DataPapers/archives/2017/ERDP-2017-02. Shin Nagai and and Kenlo Nishida Nasahara contributed equally to this work. Deciduous broad-leaved forest Æ; Ground-truth Æ Leaf litter Æ Leaf area index (LAI) Æ; Leaf mass per area Æ Leaf seasonality Æ Japan Æ; Semi-empirical model Æ Species discrimination Æ; Decadal data set (...truncated)


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Shin Nagai, Kenlo Nishida Nasahara, Shinpei Yoshitake, Taku M. Saitoh. Seasonality of leaf litter and leaf area index data for various tree species in a cool-temperate deciduous broad-leaved forest, Japan, 2005–2014, Ecological Research, 2017, pp. 297-297, Volume 32, Issue 3, DOI: 10.1007/s11284-017-1452-5