نتایج جستجو برای: ecosystems

تعداد نتایج: 45922  

Journal: :Fundamental and Applied Limnology 2020

Journal: :Wetlands Australia 2010

Journal: :Frontiers in Microbiology 2015

Journal: :Environmental Health Perspectives 2000

Journal: :New Phytologist 2001

Journal: :Eos, Transactions American Geophysical Union 2012

2015
M. Kathryn Brohman Bharat Negi

The aim of this paper is to integrate the concept of co-creation of value with digital ecosystems and propose the impact of this integration on aspects of firm performance. The focus of the paper is on platforms that exist within digital ecosystems and the consumer-firm interaction under co-creation of value. Digital ecosystems are divided into four types of platform ecosystems based on the und...

2014
Wenping Sheng Guirui Yu Huajun Fang Yingchun Liu Qiufeng Wang Zhi Chen Li Zhang

The regional determining factors underlying inter- and intra-site variation of (15)N natural abundance in foliage, O horizon and mineral soil were investigated in eastern China.(15)N natural abundance values for these forest ecosystems were in the middle of the range of values previously found for global forest ecosystems. In contrast to commonly reported global patterns, temperate forest ecosy...

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