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Water
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Advances in Forest Hydrology and Biogeochemistry
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Advances in Forest Hydrology and Biogeochemistry

A special issue of Water (ISSN 2073-4441). This special issue belongs to the section "Ecohydrology".

Deadline for manuscript submissions: closed (31 August 2023) | Viewed by 4368

Special Issue Editors

Dr. Xinchao Sun

E-Mail Website
Guest Editor
School of Earth System Science, Tianjin University, Tianjin, China
Interests: forest hydrology and biogeochemistry; ecohydrology; water and nitrogen cycle; stable isotopes; forest management
Dr. Manuel López-Vicente

E-Mail Website
Guest Editor
CICA, Universidade da Coruña, Coruña, Spain
Interests: soil and water conservation; water resource management; hydrological modelling; environmental science; watershed hydrology
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

'Forest hydrology' is a key part of the water cycle, and 'biogeochemistry' is an important discipline that deals with biotic control of the chemistry of the environment, or with geochemical control of the structure and function of ecosystems. Therefore, 'forest hydrology' and 'biogeochemistry' are interconnected, and both have evolved and continue to grow as new challenges arise. Over the past several decades, the research conducted by forest hydrology and biogeochemistry communities has greatly improved our understanding of the transport of water, soil, carbon, nutrients, and inorganic solutes within and through forests among different ecoregions and forest types. The recent developments in field measurement technologies (including real-time monitoring), stable and radio isotopes, process-based models and learning machines offer new opportunities to learn about hydrological and biogeochemical processes. Nowadays, studies pertaining to the water cycle and chemical transport at the soil–plant–atmosphere interface advocate a stronger focus on climatic and environmental change. Therefore, we need to shed light on these topics with new knowledge and foster the mechanistic understanding of linking the hydrology, biogeochemistry and functional ecology of forests at multiscales and for interdisciplinary aspects.

Due to the reasons outlined above, we have proposed this Special Issue. You are welcome to submit your research and new findings to this issue. All topics related to forest hydrology and biogeochemistry are encouraged, including, but not limited to, the following: physical, chemical and biogeochemical aspects of forest hydrology; process-based hydrological and solute models; forest management and climatic changes; plant-soil-water relations; and forest–atmospheric interactions.

We look forward to collaborating with you!

Dr. Xinchao Sun
Dr. Manuel López-Vicente
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Water is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2600 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • forest ecosystems
  • climatic change
  • water-nitrogen-carbon coupling cycle
  • ecohydrology
  • biological regulation mechanism
  • forest management
  • hydrological modelling

Published Papers (2 papers)

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Research

15 pages, 2946 KiB  
Article
Analyzing the Soil Microbial Characteristics of Poa alpigena Lindm. on Bird Island in Qinghai Lake Based on Metagenomics Analysis
by Lingling Li, Zihan Che, Yanhong Cao, Lulu Qi, Kelong Chen and Hengsheng Wang
Water 2023, 15(2), 239; https://doi.org/10.3390/w15020239 - 05 Jan 2023
Viewed by 1527
Abstract
Poa alpigena Lindm. is a dominant forage grass that is widely distributed on the Qinghai-Tibetan Plateau and is often used in the restoration of degraded grasslands. Soil microorganisms are major players in the cycling of materials in terrestrial ecosystems. In this study, based [...] Read more.
Poa alpigena Lindm. is a dominant forage grass that is widely distributed on the Qinghai-Tibetan Plateau and is often used in the restoration of degraded grasslands. Soil microorganisms are major players in the cycling of materials in terrestrial ecosystems. In this study, based on high-throughput sequencing, the rhizosphere and non-rhizosphere soils of Poa alpigena L. on Bird Island, Qinghai Lake, were used to investigate the effects of Poa alpigena L. on the composition and structure of soil microbial communities, and to establish associated soil microbial gene pools. Results revealed that microorganisms in the soil of Poa alpigena L. on Bird Island belonged to 62 phyla, 112 classes, 245 orders, 518 families, 1610 genera, and 5704 species. The dominant soil bacteria in rhizosphere and non-rhizosphere soils were Proteobacteria (49.62%, 47.13%) and Actinobacteria (30.31% and 31.67%), whereas the dominant fungi were Ascomycota (3.15% and 3.37%) and Basidiomycota (0.98% and 1.06%). Alpha diversity analysis revealed that the microbial richness and diversity in non-rhizosphere soil were significantly higher than those in rhizosphere soil, mainly influenced by soil water content and total nitrogen content. Furthermore, on the basis of LEfSe analysis, Alphaproteobacteria and Betaproteobacteria were identified as prominent differential taxa for rhizosphere and non-rhizosphere soils, respectively. The key differential metabolic pathways of rhizosphere soil microorganisms were those associated with the ATP-binding cassette (ABC) transporter, basal metabolism, and cytochrome P450 metabolism, whereas those of non-rhizosphere soil microorganisms included the gene expression-related pathways, methane metabolism, and pathway associated with degradation of aromatic compounds. These findings indicated that the rhizosphere soil of Poa alpigena L. is selective for microorganisms that play important roles in the oxidation of methane and regulation of the greenhouse effect on Bird Island, and that the soil environment on this island may be subject to contamination with aromatic compounds. Full article
(This article belongs to the Special Issue Advances in Forest Hydrology and Biogeochemistry)
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17 pages, 4763 KiB  
Article
Impact of Environmental Conditions and Seasonality on Ecosystem Transpiration and Evapotranspiration Partitioning (T/ET Ratio) of Pure European Beech Forest
by Peter Petrík, Ina Zavadilová, Ladislav Šigut, Natalia Kowalska, Anja Petek-Petrik, Justyna Szatniewska, Georg Jocher and Marian Pavelka
Water 2022, 14(19), 3015; https://doi.org/10.3390/w14193015 - 25 Sep 2022
Cited by 7 | Viewed by 2195
Abstract
Partitioning of evapotranspiration (ET) into transpiration (T) and residual evaporation (E) is a challenging but important task in order to assess the dynamics of increasingly scarce water resources in forest ecosystems. The T/ET ratio has been linked to the ecosystem water use efficiency [...] Read more.
Partitioning of evapotranspiration (ET) into transpiration (T) and residual evaporation (E) is a challenging but important task in order to assess the dynamics of increasingly scarce water resources in forest ecosystems. The T/ET ratio has been linked to the ecosystem water use efficiency of temperate forests, and thus is an important index for understanding utilization of water resources under global climate change. We used concurrent sap flow and eddy-covariance measurements to quantify the ET partitioning in pure European beech forest during the 2019–2020 period. The sap flow data were upscaled to stand level T and combined with stand level ET to calculate the T/ET ratio. We analysed intra-annual dynamics, the effect of seasonality and the impact of meteorological conditions on T, ET and T/ET. Annual T/ET of a pure European beech ecosystem was 0.48, falling at the lower end of reported global T/ET values for forest ecosystems. T/ET showed significant seasonal differences throughout spring (T/ET = 0.28), summer (T/ET = 0.62) and autumn (T/ET = 0.35). Air temperature (R2 = 0.45–0.63), VPD (R2 = 0.47–0.6) and PAR (R2 = 0.32–0.63) affected the daily dynamics of T, ET and T/ET; however, soil water content (SWC) had no significant effect. Mature European beech trees showed more anisohydric behaviour and relatively stable T/ET, even under decreasing SWC. The results improve the understanding of ecosystem scale T, ET and T/ET intra-annual dynamics and environmental constraints in anisohydric mature European beech. Full article
(This article belongs to the Special Issue Advances in Forest Hydrology and Biogeochemistry)
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