Reviews: The First Suburban Chinatown: The Remaking of Monterey Park, California, Sacred Worlds: An Introduction to Geography and Religion, Development Dilemmas in the European Community: Rethinking Regional Development Policy, Environmental NGOs in World Politics: Linking the Local and the Global, the Causes of Tropical Deforestation: The Economic and Statistical Analysis of Factors Giving Rise to the Loss of the Tropical Forests, Money, Power and Space, Looking through a Window of Locational Opportunity: A Long-Term Spatial Analysis of Technoindustrial Upheavals in Great Britain and Belgium, Neighbourhood Organizations and the Welfare State, from Urban Village to East Village: A Battle for New York's Lower East Side

1996 ◽  
Vol 28 (3) ◽  
pp. 589-602
Author(s):  
K Mitchell ◽  
C V Prorok ◽  
H Clout ◽  
M Barker ◽  
R De Koninck ◽  
...  
1998 ◽  
Vol 84 (4) ◽  
pp. 1542
Author(s):  
Jacqueline Leavitt ◽  
Janet L. Abu-Lughod

2005 ◽  
Author(s):  
Waldemar Frackowiak ◽  
Sebastian Gryglewicz ◽  
Piotr Stobiecki ◽  
Maciej Stradomski ◽  
Adam Szyszka

Forests ◽  
2021 ◽  
Vol 12 (6) ◽  
pp. 734
Author(s):  
Xiankai Lu ◽  
Qinggong Mao ◽  
Zhuohang Wang ◽  
Taiki Mori ◽  
Jiangming Mo ◽  
...  

Anthropogenic elevated nitrogen (N) deposition has an accelerated terrestrial N cycle, shaping soil carbon dynamics and storage through altering soil organic carbon mineralization processes. However, it remains unclear how long-term high N deposition affects soil carbon mineralization in tropical forests. To address this question, we established a long-term N deposition experiment in an N-rich lowland tropical forest of Southern China with N additions such as NH4NO3 of 0 (Control), 50 (Low-N), 100 (Medium-N) and 150 (High-N) kg N ha−1 yr−1, and laboratory incubation experiment, used to explore the response of soil carbon mineralization to the N additions therein. The results showed that 15 years of N additions significantly decreased soil carbon mineralization rates. During the incubation period from the 14th day to 56th day, the average decreases in soil CO2 emission rates were 18%, 33% and 47% in the low-N, medium-N and high-N treatments, respectively, compared with the Control. These negative effects were primarily aroused by the reduced soil microbial biomass and modified microbial functions (e.g., a decrease in bacteria relative abundance), which could be attributed to N-addition-induced soil acidification and potential phosphorus limitation in this forest. We further found that N additions greatly increased soil-dissolved organic carbon (DOC), and there were significantly negative relationships between microbial biomass and soil DOC, indicating that microbial consumption on soil-soluble carbon pool may decrease. These results suggests that long-term N deposition can increase soil carbon stability and benefit carbon sequestration through decreased carbon mineralization in N-rich tropical forests. This study can help us understand how microbes control soil carbon cycling and carbon sink in the tropics under both elevated N deposition and carbon dioxide in the future.


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