搜索结果: 1-15 共查到“农学 species diversity”相关记录20条 . 查询时间(0.109 秒)
Trade-Offs and Synergies between Plant Species Diversity and Water Retention Capacity of Pinus massoniana Plantation Community in Danjiangkou Reservoir Area
Pinus massoniana plantation plant species diversity trade-off synergistic ecosystem service Danjiangkou reservoir area
2023/11/22
In order to quantify the plant species diversity characteristics of Pinus massoniana plantations with different stand densities in the Danjiangkou reservoir area of Hubei Province and the relationship...
Tree Species Diversity and Stand Attributes Differently Influence the Ecosystem Functions of Pinus yunnanensis Secondary Forests under the Climate Context
secondary forests ecosystem multifunctionality Pinus yunnanensis stand attribute diversity climate dependency forest functions
2023/11/20
It has been widely reported that biodiversity, ecosystems, and functional traits are positively interrelated in natural?forest?ecosystems. However, it remains unclear whether these relationships shoul...
The Influence of Tree Structural and Species Diversity on Temperate Forest Productivity and Stability in Korea
temperate forest species diversity structural diversity basal area increment stability structural equation model
2024/2/27
Research Highlights: Using a long-term dataset on temperate forests in South Korea, we established the interrelationships between tree species and structural diversity and forest productivity and stab...
Is Species Diversity of Various Crop “Pest Taxa” Proportionate to Efforts Paid to their Research? A Scientometric Analysis in the Czech Republic
scientometry pest pathogen weed taxon species richness number of scientists
2015/10/9
Taxonomical bias for the intensity of research in natural sciences is well documented but less data exists for crop protection, weed and phytopathology sciences. Here we test a hypothesis predicting a...
Eff ects of Douglas-fi r (Pseudotsuga menziesii [Mirb.] Franco) on understorey layer species diversity in managed forests
species community composition nitrification
2015/5/5
In total, 67 parallel plots were chosen from the database of 153 phytosociological relevés made in the
Douglas-fir and parallel Norway spruce, European Beech and oak-dominated stands to find influen...
Species diversity across the successional gradient of managed Scots pine stands in oligotrophic sites (SW Poland)
clear-cutting vegetation succession forest management Leucobryo-Pinetum undergrowth vegetation
2015/4/14
The Scots pine communities are common forest types in Central Europe, however, the general model of changes resulting from cyclical management practices is still unclear. The aim of this paper is to p...
The effect of shelterwood silvicultural method on the plant species diversity in a beech (Fagus orientalis Lipsky) forest in the north of Iran
beech forest shelterwood method plant diversity
2015/3/16
To clarify the effect of shelterwood silvicultural method on the diversity of plant species in a beech (Fagus orientalis) forest in the north of Iran, we compared the plant species diversity in three ...
The effects of cutting regimes on natural regeneration in submountain beech forests: species diversity and abundance
regeneration development stand density shelterwood cutting clear cutting Fagus sylvatica L.
2015/3/12
The paper summarizes the results of 15-year natural regeneration for beech of five plots with different densities situated in the Western Carpathians Mts. Three of the plots were subjected to differen...
Species Diversity of True Bugs on Apples in Terms of Plant Protection
true bugs Malus domestica L. pests species diversity
2015/3/10
Monitoring of species spectrum of true bugs (Heteroptera) on apple trees without pest management was conducted in
2010–2011. Two sites were selected – an abandoned orchard and a road alley near the ...
Species diversity, abundance and dominance of macromycetes in beech forest stands
Fagus sylvatica L. macromycetes species diversity abundance dominance
2015/2/6
The aim of this paper is to contribute to the knowledge of dynamics of species diversity, abundance, distribution of fruiting bodies and dominance of macromycetes in mycocoenosis of beech monocultures...
Forest Tree Species Diversity Depends on Individual Variation（图）
Forest Tree Species Diversity Individual Variation
2010/3/4
Models clearly show that the coexistence of competing species depends on those species responding differently to the availability of resources. Then why do studies comparing competing tree species dra...
Effects of Strip-cutting on Stand Floor Micro Climate and Tree-species Diversity in a Japanese Cypress Plantation
edge effect diversity of tree species stand floor micro climate strip-cutting
2009/8/21
In a 21 years even-aged Japanese cypress plantation, we conducted investigation about the strip-cutting influences to the stand floor micro climates and vegetations for 15 months from cutting. The rel...
Tsetse fly species diversity in Kainji lake national park, Nigeria
Tsetseflies tsetse traps attractant Glosina morsitans Glosina palpalis Glosina tachnoides
2009/3/4
A survey of tsetse flies was carried out at the two sectors of Kainji Lake National Park. Gouteax fly traps, the drum shaped and biconical-shaped, were used. The traps were set adjacently at the sam...
Study of Species Diversity on the Family Asteraceae (Compositae) of the Rajshahi Division
Species diversity Asteraceae Rajshahi Division
2010/11/12
Study of species diversity on the family Asteraceae (Compositae) growing throughout the
Rajshahi division was carried out. A total of 36 species under 29 genera of the family Asteraceae were collecte...
期刊信息
篇名
Tropical rain forest fragmentation and its ecological and species diversity changes in southern Yunnan
语种
英文
撰写或编译
撰写
作者
Zhu H.,Xu Z.F.,Wang H. & B.G. Li
第一作者单位
中国科学院西双版纳热带植物园
刊物名称
Biodiversit...