Climate and Substrate Control on Decomposition across Temperate and Tropical Forests

Topic Information

Dear Colleagues,

Climate and substrate quality together influence soil biological activity and control plant litter decomposition. While global temperature rises, substrate quality is expected to decrease. How the increased temperature and decreased substrate quality may jointly affect the decomposition of plant and soil organic carbon has become a new challenge for ecologists and forest managers. Furthermore, biological interactions are hypothesized to play a more important role in decomposition in tropical ecosystems than in temperate ecosystems. Will global temperature warming and substrate quality reduction alter biological interactions in litter decomposition across temperate and tropical forests? The aims of this Topic issue of Forests is to bring together studies disentangling the relative role of climate/microclimate and substrate on litter decomposition in forest ecosystems and to elucidate differences in biological interactions between temperate and tropical forests. Potential topics for papers include but are not limited to:

• Litter decomposition addressing substrate quality and climate/microclimate controls in all forest ecosystems;
• Soil heterotrophic respiration addressing substrate quality and climate/microclimate controls in all forest ecosystems;
• Climate control emphasizing either temperature or precipitation and their annual dynamics;
• Microclimate controls related to land-use changes and alteration of forest communities;
• Data on soil biota and biological interactions.

Prof. Dr. Xiaoming Zou
Prof. Dr. Honghua Ruan
Topic Editors

Keywords

Participating Journals

Journal Name	Impact Factor	CiteScore	Launched Year	First Decision (median)	APC
Forests forests	2.4	4.4	2010	16.9 Days	CHF 2600
Microorganisms microorganisms	4.1	7.4	2013	13.4 Days	CHF 2700
Sustainability sustainability	3.3	6.8	2009	20 Days	CHF 2400

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Open AccessArticle

Bedrock Type Mediates the Response of Vegetation Activity to Seasonal Precipitation in the Karst Forest

by Xiguang Yang, Xuebing Guan and Zihan Jiang

Sustainability 2024, 16(3), 1281; https://doi.org/10.3390/su16031281 - 2 Feb 2024

Viewed by 789

Abstract

Global warming is expected to enhance the severity and frequency of drought in subtropical areas; thus, understanding how vegetation growth responds to precipitation is crucial to comprehending the impact of these changes on ecosystem services, such as carbon storage. However, vegetation activity in [...] Read more.

Global warming is expected to enhance the severity and frequency of drought in subtropical areas; thus, understanding how vegetation growth responds to precipitation is crucial to comprehending the impact of these changes on ecosystem services, such as carbon storage. However, vegetation activity in subtropical karst regions in Southwest China is hard to explain when we merely consider the influence of climate and soil factors. In this study, we extended traditional research by combining bedrock data we aim to investigate the role of bedrock and its interaction with precipitation on plant growth in the Guizhou Province of China. We analyzed the differences in the precipitation–vegetation growth relationship in noncarbonate and carbonate rock regions, assessing the sensitivity of vegetation from two lithological types to drought. The results reveal that although there are no significant differences in climate and soil parameters between carbonate and noncarbonate regions, the normalized difference vegetation index (NDVI) in carbonate regions is more strongly related to precipitation (carbonate region: R² = 0.67; noncarbonate region: R² = 0.37), while the spring greenness–precipitation relationship show is more stable in the carbonate region. Our results show that the vegetation activity in the carbonate region is more vulnerable during the drought period, highlighting that the vegetation dynamic was not only regulated by climatic factors, and bedrock-caused water stress should be taken into account. Full article

(This article belongs to the Topic Climate and Substrate Control on Decomposition across Temperate and Tropical Forests)

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