نتایج جستجو برای: biomass

تعداد نتایج: 63294  

Journal: :Remote Sensing 2014
Yunxiang Jin Xiuchun Yang Jianjun Qiu Jinya Li Tian Gao Qiong Wu Fen Zhao Hailong Ma Haida Yu Bin Xu

Grassland biomass is essential for maintaining grassland ecosystems. Moreover, biomass is an important characteristic of grassland. In this study, we combined field sampling with remote sensing data and calculated five vegetation indices (VIs). Using this combined information, we quantified a remote sensing estimation model and estimated biomass in a temperate grassland of northern China. We al...

2003
D. F. WHIGHAM R. L. SIMPSON

Whigham, D.F. and Simpson, R.L., 1978. The relationship between aboveground and belowground biomass of freshwater tidal wetland macrophytes. Aquat. Bot., 5: 355--364. Aboveground and belowground biomass relationships of 15 annual and perennial freshwater tidal wetland macrophytes were examined. The data showed that regression equations may be used with confidence to estimate belowground biomass...

2018
Dijun Chen Rongli Shi Jean-Michel Pape Kerstin Neumann Daniel Arend Andreas Graner Ming Chen Christian Klukas

Background Image-based high-throughput phenotyping technologies have been rapidly developed in plant science recently and they provide a great potential to gain more valuable information than traditionally destructive methods. Predicting plant biomass is regarded as a key purpose for plant breeders and ecologist. However, it is a great challenge to find a predictive biomass model across experim...

Journal: :PloS one 2016
Yang Xue Zhongyang Yang Xiaoyan Wang Zhipan Lin Dunxi Li Shaofeng Su

Casuarina equisetifolia is commonly planted and used in the construction of coastal shelterbelt protection in Hainan Island. Thus, it is critical to accurately estimate the tree biomass of Casuarina equisetifolia L. for forest managers to evaluate the biomass stock in Hainan. The data for this work consisted of 72 trees, which were divided into three age groups: young forest, middle-aged forest...

2006
DENGSHENG LU

Remotely sensed data have become the primary source for biomass estimation. A summary of previous research on remote sensing-based biomass estimation approaches and a discussion of existing issues influencing biomass estimation are valuable for further improving biomass estimation performance. The literature review has demonstrated that biomass estimation remains a challenging task, especially ...

2010
Pradeep Agrawal Thomas Fuller Christopher Jones

Dr. Pradeep Agrawal’s research is focused on the development of thermochemical pathways for converting lignocellulosic biomass into fuels and chemicals. One approach involves hydrolysis of hemi-cellulose, cellulose, and lignin into monomers which offer an alternate platform for transportation fuels and chemicals. The results offer promise for developing a green chemistry approach so that organi...

ژورنال: علمی شیلات ایران 2011
بنگ می, خیا, حسینی, محمد رضا, خواجه, سلیمه, قرنجیک, بایرام محمد, واین, مایکل, کیانمهر, هرمزدیار,

Monthly sampling of red algae was carried out from April 2005 to March 2006 in Chabahar coasts (southestern of Iran) along Sistan & Baluchistan province coastal waters. We considered monthly periods of maximum tide according to tide tables. Then seaweed growth area in intertidal zones was determind through GPS, GIS and satellite imagery. Monthly sampling was conducted on a number of transects w...

Background: Various industries produce and discharge wastes containing different heavy metals into the environment. Apart from using living biomass, dead and dried biomasses have been introduced as a new field of biotreatment technology. Method: The cadmium (Cd) (II) removal characteristics of live (growing), dead (autoclaved), and oven-dried biomasses of Aspergillus versicolor were examined a...

B. Kulig J. Antonkiewicz Marek Kołodziejczyk,

The aim of the study was to determine the biomass, abundance and species composition ofweeds, as well as macroelement uptake in potato weeded using mechanical, mechanical–chemical and mechanical control combined with the sowing of living mulches of white mustard,common vetch, Persian clover and tansy phacelia. Abundance and biomass of the weeds was themost effectively limited by the mechanical ...

The removal of uranium and any other heavy metals from wastewater might be achieved via several chemical or physical treatment techniques. Biosorption process has been considered as a potential alternative way to remove contaminants from industrial effluents. Moreover the surface of biosorbent was characterized by SEM. The biosorption characteristics of uranium (VI) on pretreated A...

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