Results 101 to 110 of about 531,552 (308)

Forest Management Zone Design with a Tabu Search Algorithm [PDF]

open access: yes
Increased conflicts between timber production and environmental protection led some analysts to advocate land-use segregation, often referred to as forest management zoning.
Emina Krcmar   +3 more
core  

Scientifically based biodiversity management in timber concessions: contribution to conservation and sustainable use of biodiversity [PDF]

open access: yes, 2016
During the past 25 years, forest laws in Central African countries have undergone major changes. Management plans were made mandatory: nearly 19 million hectares of timber concessions (38% of total granted concessions) were subject to a management plan ...
Bayol, Nicolas   +4 more
core  

First Confirmed Cooperative Breeding of the Brown Hornbill (Anorrhinus austeni) in China at the Sino–Lao Frontier 中国中老边境尚勇保护区首次记录白喉犀鸟 (Anorrhinus austeni) 的合作繁殖行为

open access: yesIntegrative Conservation, EarlyView.
First confirmed breeding of the Brown Hornbill in China, documented through cooperative feeding in Shangyong Protected Area. ABSTRACT The Brown Hornbill (Anorrhinus austeni), a Near Threatened frugivore, reaches the northern edge of its distribution in southern Yunnan, China, yet breeding had not been previously documented with site‐attributed nests in
Junsong Li   +8 more
wiley   +1 more source

Experimental Analysis of the Post-Fracture Behaviour of Laminated Glass With Bolted Connections

open access: yesSlovak Journal of Civil Engineering
Ensuring the sufficient residual resistance of glass structures after the failure of one glass ply to the failure of all the glass plies is an integral part of the design of glass structures.
Ondrušková Lucia   +3 more
doaj   +1 more source

Sun Bear Ecology and Conservation: Multiscale Habitat Associations in Southeast Asia 马来熊的生态与保护:东南亚地区的多尺度生境关联研究

open access: yesIntegrative Conservation, EarlyView.
We collated detections of the sun bear from new and previously published camera trap studies across its range. We then analysed these detections at two different spatial scales to assess the habitat associations and diel activity of this species. We found that the sun bear is tolerant to moderate habitat disturbances. ABSTRACT Degraded tropical forests,
Alexander Hendry   +5 more
wiley   +1 more source

Perennial Legumes Pueraria phaseoloides and Leucaena leucocephala Exhibit High Potential for Fertility Restoration of Degraded Mined Soils in Ghana

open access: yesJournal of Plant Nutrition and Soil Science, EarlyView.
Revegetating the subsoil layer of abandoned gold mined sites with the perennial legumes Leucaena Leucocephala, Pueraria phaseoloides and Gliricidia sepium without any soil amendments increases the content of soil organic carbon and important macro‐nutrients, which are crucial for restoring soil health and productivity. These improvements in soil health
Enoch Opoku   +4 more
wiley   +1 more source

Modeling Of Active Bending By The Method Newton-Raphson And The Modified Newton-Raphson

open access: yesCivil and Environmental Engineering
The paper deals with the modelling and analysis of a single layer timber gridshell produced by active bending. Two geometrically nonlinear calculation methods, the Newton-Raphson method and the Modified Newton-Raphson method, are compared for the ...
Herda Roman   +2 more
doaj   +1 more source

Timber roof structure for outdoor auditorium in Parque Paraiso, San Blas (Madrid)

open access: yes, 2009
p. 468-475A timber shell structure is designed to provide covering for an outdoor auditorium in Madrid (Spain). The covering comprises five independent overlapped marquees with similar shape but diverse dimensions.
ANTON, Arturo   +2 more
core  

On the performance of massive and woodframe passivehouses in Belgium : a field study [PDF]

open access: yes, 2010
In this paper we present the results of a field study in which the indoor climate and the energy use for space heating in 6 passive houses in Belgium were monitored.
Delghust, Marc   +4 more
core  

Reconstructing post‐crisis recovery in the hinterlands of Constantinople: A high‐resolution first‐millennium CE pollen record from Lake Yeniçağa (NW Türkiye)

open access: yesJournal of Quaternary Science, EarlyView.
ABSTRACT Facing a novel plague pandemic, military invasions, and political–economic transformations, societies of the eastern Roman (Byzantine) empire had to adapt to a variety of pressures and new ways of exploiting their natural environments during the mid‐1st millennium CE.
Cristiano Vignola   +7 more
wiley   +1 more source

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