搜索结果: 1-15 共查到“农学 forest ecosystems”相关记录18条 . 查询时间(0.062 秒)
Abnormal Litter Induced by Typhoon Disturbances Had Higher Rates of Mass Loss and Carbon Release than Physiological Litter in Coastal Subtropical Urban Forest Ecosystems
abnormal litter carbon cycle coastal urban forest litter decomposition physiological litter tropical cyclones
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2023/11/22
The decomposition of abnormal litter caused by extreme weather events might play an increasingly important role in carbon and nutrient cycling in forest ecosystems under climate change scenarios, whic...
Soil Property, Rather than Climate, Controls Subsoil Carbon Turnover Time in Forest Ecosystems across China
C turnover time SOC stock soil property climate
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2023/11/22
Subsoil (0.2–1 m) organic carbon (C) accounts for the majority of soil organic carbon (SOC), and SOC turnover time (τ, year) is an important index of soil C stability and sequestration capacity. Howev...
Variations in Soil Respiration at Different Soil Depths and Its Influencing Factors in Forest Ecosystems in the Mountainous Area of North China
soil respiration soil depth soil temperature soil water content litter removal root cutting
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2024/2/27
An in-depth understanding of the dominant factors controlling soil respiration is important to accurately estimate carbon cycling in forest ecosystems. However, information on variations in soil respi...
北京林业大学期刊《Forest Ecosystems》首获影响因子2.426（图）
北京林业大学 期刊 Forest Ecosystems 影响因子 2.426
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2018/7/18
2018年6月26日，科睿唯安集团2017年度《期刊引用报告》（Journal Citation Reports, JCR）公布。我校主办的刊物《Forest Ecosystems》获第一个影响因子，达到2.426，在国际林学领域的66种期刊中排名第12位，位于JCR林学领域Q1区，是我国唯一的一份进入JCR林学和森林生态领域Q1区的期刊，标志着《Forest Ecosystems》已朝着国际知名...
Dust contributes valuable nutrients to Sierra Nevada forest ecosystems
Dust contributes valuable nutrients Sierra Nevada forest ecosystems
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2017/3/30
But dust from as close as California's Central Valley and as far away as Asia's Gobi Desert provides nutrients, especially phosphorus, to vegetation in the Sierra Nevada Mountains, a team of scientist...
Ground vegetation as an important factor in the biodiversity of forest ecosystems and its evaluation in regard to nitrogen deposition
forest monitoring nutrificiation nitrophilous species vegetation diversity
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2015/4/24
We documented the current typological and phytosociological characterisation of the ground vegetation as an essential component of biodiversity in 154 Czech forest monitoring plots and to describe its...
Red deer density in the air-polluted area of forest ecosystems in the Krušné hory Mts. – Klášterec nad Ohří Forest District
deer count pellet group red deer
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2015/3/27
The density of red deer in the area of forest ecosystems disturbed by air pollution in the Krušné hory Mts. – Klášterec nad Ohří Forest District was determined in two model hunting dist...
Earthworm (Lumbricidae) assemblages of forest ecosystems in the anthropogenically
forest ecosystems Kienhaida Nature Reserve Kruš né hory Mts Lumbricidaace reforestation procedures
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2015/3/27
Assemblages of earthworms were evaluated in spruce and beech stands in the Kienhaida Nature Reserve (Krušné hory Mts., Czech Republic) and its immediate surroundings, where site conditions were m...
Norway spruce in forest ecosystems of the Czech Republic in relation to different forest site conditions
Norway spruce biodiversity Forest Site Classification System of the Czech Republic National Forest Inventory
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2015/3/27
The paper analyses the representation of Norway spruce (Picea abies [L.] Karst.) (hereinafter spruce) in relation to different conditions of forest sites. The analysis is based on data from the Nation...
Composition and diversity of psocid (Insecta: Psocoptera) taxocoenoses in forest ecosystems of the Abieti-fageta s. lat. zone in the Western Carpathian Mts.
Psocoptera taxocoenoses diversity
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2015/3/16
Psocid (Psocoptera) taxocoenoses were studied in forest ecosystems of the Western Carpathian Mts. in 1997?001. As a study frame, vegetation tiers (VT = altitudinal vegetation zones) of geobiocoenologi...
Possibilities of using rooted cuttings of European beech (Fagus sylvatica L.) for stabilisation of forest ecosystems
beech rooted cuttings plantings
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2015/3/5
Vegetative propagation of forest tree species is of great importance not only for breeding programmes but also for the conservation of valuable populations of tree species. Important is also a possibi...
Evaluation of qualitative attributes of forest ecosystems by means of numerical quantifiers
forest ecosystems forest biotopes quantification of qualitative attributes
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2015/3/5
This paper presents a proposal of four variants of quantifiers for the numerical expression of qualitative attributes of forest ecosystems, for example site, naturalness, biodiversity, ecological stab...
Regime and dynamics of soil moisture in forest ecosystems of Záhorská lowland
soil moisture soil moisture constants
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2015/3/3
The paper describes the regime and dynamics of the soil moisture content of sandy soils in Záhorská
lowland during different growing seasons. Research plots are situated near Kamenny mlyn, appr...
Forest site classification of forest ecosystems in Bohemian Karst (CzechRepublic)
Bohemian Karst limestone forest site classification soil phytocoenose oak beech
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2015/2/6
The study focuses on selected forest site units on water uninfluenced sites on limestone in Bohemian Karst. The species composition of phytocoenoses, their potential production and soil properties wer...
Composition of psocid taxocenoses (Insecta: Psocoptera) in dependence on the level of naturalness of forest ecosystems in the Žďárské vrchy hills
Psocoptera types of forest ecosystems Protected Landscape Area Ž ď árské vrchy
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2015/1/29
In 1999–2000 in the Protected Landscape Area (PLA) Žďárské vrchy hills the occurrence of psocids (Psocoptera) was studied in different types of biotopes: natural forest ecosystems (stands of...