6 Works

Retention fraction of 15N-labelled deposited ammonium and nitrate in forests

Geshere Abdisa Gurmesa, Ang Wang, Shanlong Li, Shushi Peng, Wim De Vries, Per Gundersen, Philippe Ciais, Oliver L Phillips, Erik Hobbie, Weixing Zhu, Knute Nadelhoffer, Yi Xi, Edith Bai, Tao Sun, Dexiang Chen, Wenjun Zhou, Yiping Zhang, Yingrong Guo, Jiaojun Zhu, Lei Duan, Dejun Li, Keisuke Koba, Enzai Du, Guoyi Zhou, Xingguo Han … & Yunting Fang
The impacts of enhanced nitrogen (N) deposition on global forest carbon (C) sink and other ecosystem services may depend on whether N is deposited in reduced (mainly as ammonium) or oxidized forms (mainly as nitrate) and the subsequent fate of each. However, the fates of the two key reactive N forms and its contribution to forest C sink is unclear. We conducted ecosystem-scale paired 15N-labelling experiments in nine forests across China to quantify N retention...

Data from: Systematics of Mukdenia and Oresitrophe (Saxifragaceae): Insights from genome skimming data

Mengzhen Chen, Pan Deng & Luxian Liu
Oresitrophe and Mukdenia (Saxifragaceae) are epilithic sister genera used in traditional Chinese medicine. However, the taxonomy of Mukdenia, especially of M. acanthifolia, has been controversial. Genome skimming of M. acanthifolia and M. rossii, including three individuals for each species is reported and complete plastomes, partial mitogenomes and ETS/ITS sequences were assembled using these data. Their plastomes ranged from 156,341 bp to 157,018 bp in length and had similar structural characteristics and gene content of other...

Species specific plant-mediated effects between herbivores converge at high damage intensity

Jinlong Wan, Jiahui Yi, Zhibin Tao, Zhikun Ren, Evans Otieno, Baoliang Tian, Jianqing Ding, Evan Siemann, Matthias Erb & Wei Huang
Plants are often exposed to multiple herbivores and densities of these attackers (or corresponding damage intensities) generally fluctuate greatly in the field. Plant-mediated interactions vary among herbivore species and with changing feeding intensity, but little is known about how herbivore identity and density interact to determine plant responses and herbivore fitness. Here, we investigated this question using Triadica sebifera (tallow) and its two major specialist insect herbivores, Bikasha collaris (flea beetle) and Heterapoderopsis bicallosicollis (weevil)....

Long-term litter removal rather than litter addition enhances ecosystem carbon sequestration in a temperate steppe

Jing Wang, Ang Zhang, Yujin Zheng, Jian Song, Jingyi Ru, Mengmei Zheng, Dafeng Hui & Shiqiang Wan
1. Global change can greatly affect plant productivity and subsequently litter input to soil, with potential impacts on soil carbon (C) fluxes. However, the effects of litter layer in mediating C cycling and budget at an ecosystem scale is still not clear. 2. As part of a long-term litter fall manipulation experiment in a temperate steppe on the Mongolian Plateau, this study was conducted to explore effects of litter removal and addition on ecosystem C...

Soil quality, leaf litter quality, and microbial biomass interactively drive soil respiration in a microcosm experiment

Mengyun Liu, Simone Cesarz, Nico Eisenhauer, Hanping Xia, Shenglei Fu & Dylan Craven

Decreased precipitation in the late growing season weakens an ecosystem carbon sink in a semiarid grassland

Zhongling Yang, Yueyue Wei, Guangya Fu, Rui Xiao, Ji Chen, Yaojun Zhang, Dong Wang & Junyong Li
1. Net ecosystem gas exchange (NEE), a balance between gross ecosystem primary productivity (GPP) and ecosystem respiration (ER), is an important indicator of terrestrial ecosystem CO2 sink or source. Increasing frequency of droughts during different periods of the growing season may affect terrestrial ecosystem carbon balance. However, detecting how drought timing controls ecosystem carbon processes is insufficiently explored because it is a challenge to accurately monitor and forecast drought dynamics. 2. In a five-year (2015-2019)...

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