نتایج جستجو برای: forest ecology

تعداد نتایج: 155266  

Journal: :Nature 1968

2013
Yajun Song Tianzhong Zhao

Bibliometric is increasingly used for the analysis of discipline dynamics and management related decision-making. This study analyzes 937,923 keywords from 78,986 articles concerning forest ecology and conducts a serial analysis of these articles' characteristics. The articles' records, published between 2002 and 2011, were downloaded from the Web of Science, and their keywords were exported by...

2016
Bing Liao Zhiguang Zhang Yuanzheng Wu

By introducing environmental mediator, for avoiding randomness in selecting indicators and subjectivity in deciding interaction path coefficients to reveal interaction mechanism among forest industry, ecology and environmental capacity, structural Pressure–State–Impact–Response (PSIR) and quantitative Structural Equation Modeling (SEM) are utilized with data on thirty–one provinces of China. We...

2000
James M. Vose

Fire is a potentially powerful tool for achieving desired conditions of forest ecosystems. From an ecological perspective, the use of fire requires affirmative answers to either of the following questions: (1) Does it increase ecosystem health and sustainability? and (2) Does it preserve or restore unique species or habitats? Health and sustainability can be measured and defined in terms of: (1...

2011
Victoria L. Fishlock Victoria Louise Fishlock

............................................................................................................................ ii Acknowledgements .......................................................................................................... v Table of

2016
Ute Sass-Klaassen Patrick Fonti Paolo Cherubini Jožica Gričar Elisabeth M. R. Robert Kathy Steppe Achim Bräuning

1 Forest Ecology and Forest Management Group, Wageningen University, Wageningen, Netherlands, 2 Landscape Dynamics Unit, Swiss Federal Institute for Forest, Snow and Landscape Research WSL, Birmensdorf, Switzerland, 3 Department of Forest Yield and Silviculture, Slovenian Forestry Institute, Ljubljana, Slovenia, 4 CREAF, Cerdanyola del Vallès, Spain, 5 Laboratory of Plant Biology and Nature Man...

Journal: :European Journal of Operational Research 2005
Henry David Venema Paul H. Calamai Paul W. Fieguth

A new design framework is introduced for forest structure optimization based on a genetic algorithm landscape encoding and landscape ecology metrics. Landscape ecology is an important interface between the forest management community, which is a traditional user of operations research methods, and the biological conservation community which is relatively new to OR methods and whose goals are in...

Mansour Mesdaghi was born in 1941 in Ghazvin, Iran, where he completed his elementary and high school.After graduation from Gorgan Forest and Range school, he had been employed in Ministry of Natural Resources as a technician in FAO branch of United Nation in collaboration with Dr. D. L. Goodwin, the Range Scientist at Houmand Range Research Station. He received his B.A degree in Economics at T...

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