globalchange  > 气候变化与战略
DOI: 10.1016/j.scitotenv.2019.135719
论文题名:
Impacts of climatic and edaphic factors on the diversity, structure and biomass of species-poor and structurally-complex forests
作者: Ali A.; Sanaei A.; Li M.; Nalivan O.A.; Ahmadaali K.; Pour M.J.; Valipour A.; Karami J.; Aminpour M.; Kaboli H.; Askari Y.
刊名: Science of the Total Environment
ISSN: 489697
出版年: 2020
卷: 706
语种: 英语
英文关键词: Big trees ; Climatic factors ; Edaphic factors ; Forest functioning ; Medium-small trees ; Species richness
Scopus关键词: Biomass ; Climate change ; Evapotranspiration ; Precipitation (meteorology) ; Random processes ; Textures ; Big trees ; Climatic factors ; Edaphic factors ; Forest functioning ; Medium-small trees ; Species richness ; Forestry ; aboveground biomass ; climate effect ; community structure ; ecosystem function ; environmental factor ; forest ecosystem ; forest inventory ; species diversity ; species richness ; Article ; biomass ; climate ; climate change ; cloud ; controlled study ; environmental factor ; evapotranspiration ; forest structure ; Iran ; precipitation ; priority journal ; soil acidity ; soil fertility ; soil texture ; species diversity ; species richness ; tree
英文摘要: Understanding the impacts of multiple climatic and edaphic factors on forest diversity, structure and biomass is crucial to predicting how forests will react to global environmental change. Here, we addressed how do forest structural attributes (i.e. top 1% big, top 25% big medium and small trees; in terms of tree height, diameter, and crown), species richness, and aboveground biomass respond to temperature-related and water-related climatic factors as well as to edaphic factors. By assuming disturbance as a constant factor in the study forests, we hypothesize that water-related and temperature-related climatic factors play contrasting roles whereas edaphic factors play an additional role in shaping forest diversity, structure and aboveground biomass in species-poor and structurally-complex forests. We used forest inventory and environmental factors data from 248 forest plots (moist temperate, semi-humid, and semi-arid) across 12 sites in Iran. We developed multiple linear mixed-effect models for each response variable by using multiple climatic and edaphic factors as fixed effects whereas sites as a random effect. Top 1% big, top 25% big, medium, and small trees enhanced with mean annual temperature but declined with water-related climatic (i.e. mean annual precipitation, cloud cover, potential evapotranspiration, and wet day frequency) factors, whereas soil texture (i.e. sand content) and pH were of additional importance. Species richness increased with precipitation and cloud cover but decreased with temperature, potential evapotranspiration, soil fertility and sand content. Aboveground biomass increased along temperature gradient but decreased with potential evapotranspiration, clay and sand contents. Temperature seemed to be the main driver underlying the increase in forest structure (i.e. diameter-related attributes) and biomass whereas precipitation did so for species richness. We argue that the impacts of multiple climatic factors on forest structural attributes, diversity and biomass should be properly evaluated in order to better understand the responses of species-poor forests to climate change. © 2019 Elsevier B.V.
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/158965
Appears in Collections:气候变化与战略

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作者单位: Department of Forest Resources Management, College of Forestry, Nanjing Forestry University, Nanjing, Jiangsu 210037, China; CAS Key Laboratory of Forest Ecology and Management, Institute of Applied Ecology, Chinese Academy of Sciences, Shenyang, 110164, China; Natural Resources Faculty, Gorgan University of Agricultural Sciences and Natural Resources, Iran; Department of Reclamation of Arid and Mountainous Regions, Natural Resources Faculty, University of Tehran, Karaj, Iran; Natural Resources Faculty, University of Tehran, Karaj, Iran; Department of Forestry and The Center for Research and Development of Northern Zagros Forestry, University of Kurdistan, Iran; Natural Resources and Watershed Management Office, Urmia, West Azerbaijan Province, Iran; Faculty of Desert Studies, Semnan University, Semnan, Iran; Research Division of Natural Resources, Kohgiluyeh and Boyerahmad Agriculture and Natural Resources Research and Education Center, AREEO, Yasouj, Iran

Recommended Citation:
Ali A.,Sanaei A.,Li M.,et al. Impacts of climatic and edaphic factors on the diversity, structure and biomass of species-poor and structurally-complex forests[J]. Science of the Total Environment,2020-01-01,706
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