scholarly journals Responses of terrestrial ecosystem phosphorus cycling to nitrogen addition: A meta-analysis

2017 ◽  
Vol 26 (6) ◽  
pp. 713-728 ◽  
Author(s):  
Qi Deng ◽  
Dafeng Hui ◽  
Sam Dennis ◽  
K. Chandra Reddy
Keyword(s):  
Meta Analysis ◽  
Terrestrial Ecosystem ◽  
Nitrogen Addition ◽  
Phosphorus Cycling

scholarly journals Stimulation of terrestrial ecosystem carbon storage by nitrogen addition: a meta-analysis

2016 ◽  
Vol 6 (1) ◽  
Author(s):  
Kai Yue ◽  
Yan Peng ◽  
Changhui Peng ◽  
Wanqin Yang ◽  
Xin Peng ◽  
...  
Keyword(s):  
Carbon Storage ◽  
Meta Analysis ◽  
Terrestrial Ecosystem ◽  
Nitrogen Addition ◽  
Ecosystem Carbon ◽  
Stimulation Of

Effects of long-term nitrogen addition on phosphorus cycling in organic soil horizons of temperate forests

2018 ◽  
Vol 141 (2) ◽  
pp. 167-181 ◽  
Author(s):  
Christine Heuck ◽  
Georg Smolka ◽  
Emily D. Whalen ◽  
Serita Frey ◽  
Per Gundersen ◽  
...  
Keyword(s):  
Temperate Forests ◽  
Nitrogen Addition ◽  
Organic Soil ◽  
Phosphorus Cycling ◽  
Soil Horizons

Global response patterns of plant photosynthesis to nitrogen addition: A meta‐analysis

2020 ◽  
Vol 26 (6) ◽  
pp. 3585-3600 ◽  
Author(s):  
Xingyun Liang ◽  
Tong Zhang ◽  
Xiankai Lu ◽  
David S. Ellsworth ◽  
Hormoz BassiriRad ◽  
...  
Keyword(s):  
Meta Analysis ◽  
Nitrogen Addition ◽  
Response Patterns ◽  
Global Response ◽  
Plant Photosynthesis

scholarly journals Grass and forbs respond differently to nitrogen addition: a meta-analysis of global grassland ecosystems

2017 ◽  
Vol 7 (1) ◽  
Author(s):  
Chengming You ◽  
Fuzhong Wu ◽  
Youmin Gan ◽  
Wanqin Yang ◽  
Zhongmin Hu ◽  
...  
Keyword(s):  
Meta Analysis ◽  
Nitrogen Addition ◽  
Grassland Ecosystems

scholarly journals Comment on “Mycorrhizal association as a primary control of the CO2 fertilization effect”

Science ◽  
2017 ◽  
Vol 355 (6323) ◽  
pp. 358.2-358 ◽  
Author(s):  
R. J. Norby ◽  
M. G. De Kauwe ◽  
A. P. Walker ◽  
C. Werner ◽  
S. Zaehle ◽  
...  
Keyword(s):  
Nitrogen Availability ◽  
Meta Analysis ◽  
Terrestrial Ecosystem ◽  
Mycorrhizal Symbiosis ◽  
Primary Control ◽  
Soil Nitrogen Availability ◽  
Ecosystem Responses ◽  
Mycorrhizal Association ◽  
Fertilization Effect ◽  
Enrichment Experiments

Terrer et al. (Reports, 1 July 2016, p. 72) used meta-analysis of carbon dioxide (CO2) enrichment experiments as evidence of an interaction between mycorrhizal symbiosis and soil nitrogen availability. We challenge their database and biomass as the response metric and, hence, their recommendation that incorporation of mycorrhizae in models will improve predictions of terrestrial ecosystem responses to increasing atmospheric CO2.

scholarly journals Meta-analysis of high-latitude nitrogen-addition and warming studies imply ecological mechanisms overlooked by land models

2014 ◽  
Vol 11 (8) ◽  
pp. 12375-12414 ◽  
Author(s):  
N. J Bouskill ◽  
W. J Riley ◽  
J. Tang
Keyword(s):  
High Latitude ◽  
Field Experiments ◽  
Meta Analysis ◽  
Nitrogen Addition ◽  
Nutrient Competition ◽  
Ecosystem Responses ◽  
Nitrogen Concentrations ◽  
Ecological Mechanisms ◽  
Underlying Mechanisms ◽  
Meta Analyses

Abstract. Accurate representation of ecosystem processes in land models is crucial for reducing predictive uncertainty in energy and greenhouse gas feedbacks with the atmosphere. Here we describe an observational and modeling meta-analysis approach to benchmark land models, and apply the method to the land model CLM4.5 with two versions of belowground biogeochemistry. We focused our analysis on the above and belowground high-latitude ecosystem responses to warming and nitrogen addition, and identified mechanisms absent, or poorly parameterized in CLM4.5. While the two model versions predicted similar trajectories for soil carbon stocks following both types of perturbation, other variables (e.g., belowground respiration) differed from the observations in both magnitude and direction, indicating the underlying mechanisms are inadequate for representing high-latitude ecosystems. The observational synthesis attribute these differences to missing representations of microbial dynamics, characterization of above and belowground functional processes, and nutrient competition. We use the observational meta-analyses to discuss potential approaches to improving the current models (e.g., the inclusion of dynamic vegetation or different microbial functional guilds), however, we also raise a cautionary note on the selection of data sets and experiments to be included in a meta-analysis. For example, the concentrations of nitrogen applied in the synthesized field experiments (average =72 kg ha−1 yr−1) are many times higher than projected soil nitrogen concentrations (from nitrogen deposition and release during mineralization), which preclude a rigorous evaluation of the model responses to nitrogen perturbation. Overall, we demonstrate here that elucidating ecological mechanisms via meta-analysis can identify deficiencies in both ecosystem models and empirical experiments.

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