Results 51 to 60 of about 168,031 (193)

Heterogeneity and imbalance of water supply and demand under climate change and human activities in the Beibu Gulf region, China

open access: yesJournal of Hydrology: Regional Studies
Study region: The Beibu Gulf area (BG), China. Study focus: The purpose of this study is to assess the impact of climate change and human activities on the water supply-demand (WSD) in the BG, and to quantify the driving effects and contributions of ...
Liqing Wu   +3 more
doaj   +1 more source

Ecological Benefit Evaluation of Different Types of Artificial Forests on the Weibei-loess Plateau

open access: yesShuitu Baochi Xuebao
[Objective] To construct ecological benefit evaluation methods adapted to the characteristics of local plantation resources and ecological services, and clarify the impacts of different types of plantation construction on the ecological environment in ...
YANG Kaibo   +3 more
doaj   +1 more source

Developing know-how for the improvement and sustainable management of teak genetic resources [PDF]

open access: yes, 2008
The project had the following objectives: To trace and quantify genetic diversity of teak within its natural range, DNA markers were used to assay the current distribution of genetic diversity within and between populations, investigate its mating ...
Cavers, Stephen   +8 more
core  

Shifts in the bacterial community composition along deep soil profiles in monospecific and mixed stands of Eucalyptus grandis and Acacia mangium [PDF]

open access: yes, 2017
Our knowledge of the rhizosphere bacterial communities in deep soils and the role of Eucalyptus and Acacia on the structure of these communities remains very limited.
Avelino Maia de Andrade, Pedro   +7 more
core   +2 more sources

Coevolution and Functional Effects of Endosymbiotic Rickettsia in Leptocybe invasa Fisher & LaSalle (Hymenoptera: Eulophidae) Across China

open access: yesEcology and Evolution
Rickettsia is an endosymbiotic bacterium that infects various arthropods, affecting the host's biology, ecology, and evolution. Leptocybe invasa is an invasive pest that severely damages eucalyptus plants.
Xiu Xu   +5 more
doaj   +1 more source

Synergistic variation of rhizosphere soil phosphorus availability and microbial diversity with stand age in plantations of the endangered tree species Parashorea chinensis

open access: yesFrontiers in Plant Science
IntroductionSoil physicochemical properties and nutrient composition play a significant role in shaping microbial communities, and facilitating soil phosphorus (P) transformation.
Wannian Li   +7 more
doaj   +1 more source

Enumerasi Total Populasi Mikroba Tanah Gambut Di Teluk Meranti Kabupaten Riau [PDF]

open access: yes, 2014
Teluk Meranti is one of the peatland area in Riau province. Most of these lands have beenchanged into palm oil plantation, timber plantation, agricultural area and settlement.
F, B. L. (Bernadeta)   +2 more
core  

Stand structural analyses of grey poplar (Populus × canescens) stands focused on the expected volume in Hungary

open access: yesJournal of Forest Science
Grey poplar (Populus × canescens) is a natural hybrid of white poplar (Populus alba L.) and Eurasian aspen (Populus tremula L.). It could play a significant role in the afforestation of marginal sites which stretch out on ever more areas due to the ...
Tamás Ábri   +4 more
doaj  

The State and the Development of Industrial Plantation Forest

open access: yesJurnal Manajemen Hutan Tropika, 2014
Development of industrial plantation forest is a form of principal-agent relationship, in which the Ministry of Forestry as a principal gives utilization permit to the entrepreneur as an agent, known as the Forest Timber Product Exploitation Permit on ...
Sudarmalik   +3 more
doaj   +1 more source

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