Hong S He

Hong S He
University of Missouri | Mizzou · School of Natural Resources

Ph.D.

About

397
Publications
69,454
Reads
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9,705
Citations
Citations since 2016
159 Research Items
4810 Citations
20162017201820192020202120220200400600800
20162017201820192020202120220200400600800
20162017201820192020202120220200400600800
20162017201820192020202120220200400600800
Additional affiliations
June 2014 - September 2020
Northeast Normal University
Position
  • Professor
January 2001 - May 2014
Chinese Academy of Sciences
Position
  • Professor
August 2000 - present
University of Missouri
Position
  • Professor (Full)

Publications

Publications (397)
Article
Full-text available
Climate change has increased the severity, frequency, and impact of fire disturbance on boreal forests worldwide. Unusual fire events can trigger a shift from needle-leaf dominated forests to broad-leaf dominated forests, altering the original succession trajectory. Thus, it is necessary to identify how altered fire regimes affect boreal forest res...
Article
Mounting evidence suggests that climate change will cause shifts of tree species range and abundance (biomass). Abundance changes under climate change are likely to occur prior to a detectable range shift. Disturbances are expected to directly affect tree species abundance and composition, and could profoundly influence tree species spatial distrib...
Preprint
Full-text available
High-resolution temperature reconstructions in the prior millennium are limited in northeast Asia, but important for assessing regional climate dynamics. Here, we present, for the first time, a reconstruction of April temperature for ~300 years before the Millennium volcanic eruption in 946 AD, using tree rings of carbonized logs buried in the teph...
Article
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Key message We propose a coupled framework to combine the strengths of the Weibull function in modeling diameter distributions and the ability of the k -nearest neighbor ( k NN) method to impute spatially continuous forest stand attributes for the prediction of wall-to-wall tree lists (lists of stems per hectare by species and diameter at breast he...
Article
Full-text available
In most instances, the number, location and release intensity of groundwater contamination sources (GCSs) are all unknown. The 0-1 mixed integer nonlinear programming optimization model (0-1 MINPOM) used previously could only identify the location and release intensity for GCSs. Thus a 0-1 MINPOM was improved and applied to simultaneously identify...
Article
Forest landscapes pattern and development are affected by environment and disturbance. Disentangling their effects is important to understanding current landscape and predicting future changes. Such studies are limited by short-term observation and sparse disturbance-history data. Spatially-explicit forest landscape modeling represents a solution t...
Article
The recording and simulation data of forest landscapes are massive, high-dimensional, and abstract, requiring intuitive representation. 3-D visualization is an efficient tool to comprehend possible landscape changes generated by real-world or forest landscape models. Based on current advantages of game engines (realism and convenience), we develope...
Article
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Precipitation extremes occurring on consecutive days may be of crucial importance for the formation of extensive and long‐lasting flooding. Changes in such consecutive extreme precipitation (CEP) events between different regions (i.e., dry and wet regions) still remain unclear in China, which may result in different impacts on human livelihoods and...
Article
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The location and release history of groundwater contaminant sources (GCSs) are usually unknown after groundwater contamination is detected, thereby greatly hindering the design of contamination remediation schemes and contamination risk assessments. Many previous studies have used prior information such as the observed contaminant concentrations (O...
Article
Identification of groundwater contaminant sources (GCSs) relies on actual observed data, and the observed data directly affects the accuracy of the identification results. However, the observed data inevitably contains noise due to accidental and systematic errors, and the identification results of GCSs based on the observed data containing noise a...
Article
The red wolf Canis rufus is endemic to the southeastern United States and has been reduced to a single population occupying the Albemarle Peninsula in coastal North Carolina. To ensure species persistence and to meet conservation goals as outlined in the Red Wolf Recovery Plan (USFWS 1990, 2007, 2018a), it is important to conduct habitat suitabilit...
Article
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Current increases in not only the intensity and frequency but also the duration of drought events could affect the growth, physiology, and mortality of trees. We experimentally studied the effects of drought duration in combination with fertilization on leaf water potential, gas exchange, growth, tissue levels of non-structural carbohydrates (NSCs)...
Article
Climate and environmental changes have caused changes in alpine tundra worldwide in recent decades. However, the roles of snow cover on tundra vegetation change remain less studied. There were obvious changes of alpine tundra vegetation, such as herbaceous encroachment and shrub expansion reported in Changbai Mountains in recent decades. This study...
Article
Biodiversity‐ecosystem function relationships have been widely studied in the field of microorganisms in recent years. The research findings revealed that microorganisms positively influence multiple ecosystem functions in diverse ecosystem types. However, the previous studies have neglected the fact that biodiversity at higher trophic levels is al...
Article
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Carbon (C) allocation plays a crucial role for survival and growth of the alpine treeline trees, which, however, is still poorly understood. Using in situ 13CO2 labeling, we investigated the leaf photosynthesis and the allocation of 13C labeled photoassimilates in various tissues (leaves, twigs and fine roots) in treeline trees and low-elevation tr...
Article
Climate change could alter species composition, with feedback on fire disturbances by modifying fuel types and loads. However, the existing fire predictions were mainly based on climate-fire linkages that might overestimate the probability and size of fire disturbances due to simplifying or omitting vegetation feedback. We applied a model-coupling...
Article
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Context Study of interplay of disturbance and forest succession is key to understand forest landscape dynamics, especially under changing climate and disturbance regimes. However, most such studies are from small spatial and temporal scales, and thus may be limited to generalize at large scales. Objectives We investigate how typhoons affected fore...
Article
Remnant trees have great ecological importance in post-disturbance forest landscape recovery which is strongly affected by their spatial configuration. Location and abundance, the two key attributes of spatial configuration, often act jointly, but their relative roles have rarely been investigated. Here, we spatially reconstructed a 300-year time s...
Preprint
Full-text available
Optimization models used to identify groundwater contamination sources (GCSs) often have many variables to determine and a high degree of nonlinearity. When the grey wolf optimization algorithm (GWO) is used to solve this kind of optimization model, due to the relatively weak local search ability, it has the disadvantage of premature convergence. T...
Article
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Rain-fed crops are a major crop type, and their water use is extremely vulnerable to climate change. Studying the water requirement characteristics of rain-fed crops in different growth stages and associated climatic driving factors is of great significance for sustainable crop production. The water footprint (WF) of crops can comprehensively refle...
Article
Climate change is expected to increase fire activity, which has the potential to accelerate climate-induced shifts in species composition and distribution in the boreal-temperate ecotone. Wildfire can kill resident trees, and thus provide establishment opportunities for migrating tree species. However, the role of fire size and its interactions wit...
Article
Northwest China (NW China) falls within Arid Central Asia (ACA) and has a climate dominated by westerly winds, a fragile ecosystem, and a high sensitivity to climate change. Paleoenvironmental reconstructions of this region can assist in understanding the general processes contributing to environmental variation in such arid areas. This study exami...
Article
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Long-term excessive use of chemical fertilizer has led to water environmental degradation. Reducing chemical fertilizer use in crop production has become a consensus, and the effects of chemical fertilizer reduction on yield, water consumption and water environment urgently need to be explored. A field experiment including four fertilization treatm...
Article
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Oak-pine forests in the U.S. Central Hardwood Forests are recovering from exploitative harvesting and clearing in the early twentieth century and are undergoing rapid succession changes. Unprecedented red oak borer (ROB, Enaphalodes rufulus) outbreaks in 1999–2003 are associated with the largest oak mortality event reported in the Central Hardwood...
Article
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Accelerated tree growth in the alpine treeline ecotone (ATE) has been linked to the recent rapid climate warming. However, the role of tree age and elevation in the growth response of trees to climate change remains unclear. Here, we developed basal area increment chronologies of Betula ermanii from the closed forest belt (CFB) at lower elevation t...
Article
Global climate changes result in the expansion of lower elevation plants to higher elevations. The rapid upward expansion of herbaceous plants into the alpine tundra on Changbai Mountain resulted in changes in different levels of ecosystem organization. However, the responses and feedback of litter properties and soil mesofauna to herbaceous plants...
Article
Pronounced climate warming has resulted in a significant reduction of snow cover extent, as well as poleward and upslope shifts of shrubs in Arctic and alpine ecosystems. However, it is difficult to establish links between changes in snow cover and shrub distribution changes due to a lack of in situ and long-term snow records in relation to abundan...
Article
Extreme precipitation occurring on consecutive days may substantially increase the risk of related impacts, but changes in such events have not been studied at a global scale. Here we use a unique global dataset based on in situ observations and multi-model historical and future simulations to analyse the changes in the frequency of extreme precipi...
Article
Extreme drought frequency (EDF), which is typically assessed by drought indices, is an essential property for reflecting extreme drought events. Generally, EDF varies greatly depending on the consideration of potential evapotranspiration (PET) and the selected timescale for drought indices. However, there is little understanding of how PET and time...
Article
Full-text available
Vegetation greenness dynamics in arid and semi-arid regions are sensitive to climate change, which is an important phenomenon in global climate change research. However, the driving mechanism, particularly for the longitudinal and latitudinal changes in vegetation greenness related to climate change, has been less studied and remains poorly underst...
Preprint
Full-text available
In previous studies, a 0-1 mixed integer nonlinear programming optimization model (0-1MINLPOM) could only identify the location and release intensity for groundwater contamination sources (GCSs), and the location of each GCS was regarded as a 0-1 integer variable, selected from several locations determined in advance. However, in actual situations,...
Chapter
Indonesia, as a tropical country in Southeast Asia, has a vast area of peatland forest threatened by deforestation and forest degradation. Peatland forest in Kalimantan, Indonesia, has been overexploited for about five decades. Originally it was the indigenous people, who utilized peatland forests as a resource to produce traditional food crops, fr...
Article
Peatlands are one of the most significant carbon reservoirs in the terrestrial ecosystem. Understanding past peatland carbon accumulation processes and their responses to varying external and internal forcing factors would help reveal the general development patterns of peatland ecosystems and provide useful insights into projecting the fate of car...
Article
The effects of N deposition on the C and N cycles via altered litter decomposition rates are an important aspect of global environmental change. The Changbai Mountain region experienced a high N deposition (2.7 g·m⁻²·year⁻¹ in 2015) and corresponding expansion of Deyeuxia purpurea into the alpine tundra, resulting in changes in endogenous nutrients...
Article
Climate warming directly affects insect disturbance regimes by altering temperature‐dependent population development. Indirect effects of climate change on insect disturbance may mediate or accelerate direct effects via vegetation feedback (e.g., host‐tree demographic dynamics). However, such indirect effects have rarely been incorporated in predic...
Article
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Cotton is an excessive growing fiber crop in the world. In Pakistan, climate warming is hurting the cotton crop. To identify countermeasures of climate change impacts on crop production, it is needed to explore the changes in crop yield and their relationship to climate change. This study, we conducted spatial analysis of cotton yield and climate d...
Article
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Forest management planning requires the specification of measurable objectives as desired future conditions at spatial extents ranging from stands to landscapes and temporal extents ranging from a single growing season to several centuries. Effective implementation of forest management requires understanding current conditions and constraints well...
Article
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Rice production consumes more water than the production of other crop species due to the specific growth requirements of this species. Accurately accounting for water consumption during rice production and analyzing the spatio-temporal changes in water consumption are thus necessary. Using the water footprint (WF) as an indicator and combining data...
Article
Trees at temperature-limited alpine treeline are highly sensitive to temperature fluctuations. However, few studies have directly linked the recruitment and growth of juvenile trees to climate warming to investigate the processes underlying climate-induced alpine treeline shift. On the cold-humid Changbai Mountain of northeastern China, almost no t...
Article
Climate change is more pronounced in boreal forests than in other terrestrial ecosystems, and thus aboveground biomass and species composition of boreal forests have already been altered by increasing temperature and precipitation. There are substantial uncertainties in predicting aboveground biomass and species composition of boreal forests in res...
Article
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In most defoliation experiments with evergreen trees, leaves are removed proportionally across all leaf age classes or only the younger ones are removed. However, it remains unclear how the ecophysiological functions of older foliage potentially differ from those of younger leaves. Hence, we conducted a field experiment with five intensities of art...
Article
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Direct effects of climate change (i.e., temperature rise, changes in seasonal precipitation, wind patterns, and atmospheric stability) affect fire regimes of boreal forests by altering fire behavior, fire seasons, and fuel moisture. Climate change also alters species composition and fuel characteristics, which subsequently alter fire regimes. Howev...
Article
Analyzing dryness/wetness trends, which is typically achieved by examining drought indices, is an essential approach for assessing extreme climate events. However, since there are differences among studies in terms of selected climate variables and timescales used to calculate drought indices, there is uncertainty regarding the magnitude and direct...
Article
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Since the 1990s, Russia (the former Soviet Union, FSU) has undergone radical institutional transformation and drastic economic, political, and social changes. These changes have resulted in complex transformations of the urban land-use patterns. We extracted four major urban land-use classes (residential, industrial, social well-being, and green la...
Article
Megafires are large wildfires that occur under extreme weather conditions and produce mixed burn severities across diverse environmental gradients. Assessing megafire effects requires data covering large spatiotemporal extents, which are difficult to collect from field inventories. Remote sensing provides an alternative but is limited in revealing...
Article
Interday temperature fluctuations (ITFs) have a series of direct and visible impacts on human productivity, daily life, and some rapidly occurring processes in the Earth's critical zones. The Loess Plateau of China (LPC) is characterized by Chinese continental monsoon climate and fragile ecological environment, and thus, is sensitive to ITFs. To ev...
Article
1. The effects of changing climate and disturbance on mountain forest carbon stocks vary with tree species distributions and over elevational gradients. Warming can increase carbon uptake by stimulating productivity at high elevations but also enhance carbon release by increasing respiration and the frequency, intensity, and size of wildfires. 2. T...
Article
In the cold temperate zone of the western and southern slopes of the Changbai Mountain, Betula ermanii Cham. forest, Picea jezoensis (Siebold & Zucc.) Carrière forest, and mixed forests of B. ermanii and P. jezoensis are heterogeneously distributed in a mosaic of patches, and the reason for this formation is still unclear. In August 1986, a typhoon...
Article
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Context The rate and trajectory of forest landscape recovery after a volcanic eruption rely largely on available seed sources and patterns of seed dispersal. However, quantifying the importance of various seed sources has not been attempted. Objectives We demonstrate a forest landscape modeling framework for spatiotemporal reconstruction of post-v...
Article
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Water consumption ensures crop production and grain security, and is influenced by many factors. Analyzing the impact factors of water consumption during crop production will be beneficial to the full use of water resources and crop growth. Jilin Province is one of the major crop production areas in China and is facing water shortages. Using the wa...
Article
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Quantitative assessment of the impact of land use and climate change on hydrological processes is of great importance to water resources planning and management. The main objective of this study was to quantitatively assess the response of runoff to land use and climate change in the Zhengshui River Basin of Southern China, a heavily used agricultu...
Article
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Refugee parks are general parks that can serve as emergency shelters in cities. The core issue of refugee parks lies in their service extent they provided. Globally, the service extent of refugee parks is determined by the Euclidean or actual road network distance methods. The former lacks measurement accuracy, whereas the latter lacks the consider...
Article
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Varied environmental conditions in coastal-inland zones tend to influence soil faunal communities. However, few studies have focused on the responses of soil fauna to environmental variations along the coastal-inland gradient. In order to better understand the aforementioned responses, a total of 80 soil macro-faunal samples were collected at the f...
Article
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Environmental factors that drive carbon storage are often used as an explanation for alpine treeline formation. However, different tree species respond differently to environmental changes, which challenges our understanding of treeline formation and shifts. Therefore, we selected Picea jezoensis and Betula ermanii, the two treeline species natural...
Article
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Proactive managements, such as the resistant and the adaptive treatments, have been proposed to cope with the uncertainties of future climates. However, quantifying the uncertainties of forest response to proactive managements is challenging. Korean pine is an ecologically and economically important tree species in the temperate forests of Northeas...