نتایج جستجو برای: plantation

تعداد نتایج: 7035  

Journal: :Hawaii medical journal 1995
L M Goodell

The first contract laborers arrived from China in 1852, but little attention was paid to their medical needs. In 1886 a physician from Japan arrived to minister to the health and medical needs of the Japanese immigrants. After 1900 most physicians caring for immigrant plantation workers were Western trained from the Mainland. Many advances in medicine were started on plantations such as the sec...

2002
David B. Lindenmayer

The views expressed and the conclusions reached in this publication are those of the author and not necessarily those of persons consulted. RIRDC shall not be responsible in any way whatsoever to any person who relies in whole or in part on the contents of this report. iii Foreword Large areas of Australia are dedicated to plantation forestry – both non-native and native tree species. The size ...

2016
Kai Yin Lei Zhang Dima Chen Yichen Tian Feifei Zhang Meiping Wen Chao Yuan

The patterns and drivers of soil microbial communities in forest plantations remain inadequate although they have been extensively studied in natural forest and grassland ecosystems. In this study, using data from 12 subtropical plantation sites, we found that the overstory tree biomass and tree cover increased with increasing plantation age. However, there was a decline in the aboveground biom...

2018
Miao Yang Dan Yang Xuan Yu

The aim of this study was to assess the impact of forest age and season on the soil microbial community and enzyme activities in sea-buckthorn plantation system and to determine the relative contributions to soil microbial properties. Soil sampling was carried out in the dry season (April) and wet season (September) in four areas, including: abandoned farmland (NH), an 8-year- old plantation (y...

2013
Xin LUO Junguo ZHANG Feng ZHOU Hua LIU Fantao LIN

Wireless sensor network is a popular technology on information acquisition and processing, which has been widely used in plantation ecological monitoring domain. The plantation environments, including antenna height-gain, depolarization, terrain, humidity and many factors have great influences on the propagation of 2.4GHz wireless sensor network radio frequency signal. In this paper, a complete...

2011
Pao-Shen Huang I-Min Tso Hui-Chen Lin Liang-Kong Lin Chung-Ping Lin

Pao-Shen Huang, Hui-Chen Lin, I-Min Tso, and Chung-Ping Lin (2011) Effects of thinning on spider diversity in an East Asian subtropical plantation forest. Zoological Studies 50(6): 705-717. Studies examining the effects of forest management on biodiversity in Asia are scarce and conducted mostly in temperate areas. In this study, the effects of the management on the biodiversity of a subtropica...

2012
WenJun Zhang

Various viewpoints were proposed to explain the causes of recent years’ severe drought occurred in Yunnan and Guizhou, China. In general there are two parties of viewpoints, the Eucalyptus cause and climate change cause. I think Yunnan-Guizhou drought has been mainly caused by abnormal climate change. Eucalyptus was not significant in the formation of Yunnan-Guizhou drought. However, the forest...

2018
Munas M Muzrif Dinusha Perera Kumudu Wijewardena Berit Schei Katarina Swahnberg

OBJECTIVES The aims of this study were to assess the regional differences in domestic violence among pregnant women in the capital district and in the tea plantation sector of Sri Lanka, to explore potential contributory factors and to assess whether healthcare workers addressed domestic violence and disclosure among survivors. DESIGN A cross-sectional study was carried out using interviewer-...

Journal: :Anais da Academia Brasileira de Ciencias 2014
Anoshirvan Alami Alireza Eslami Seyed A Hashemi

Taxus baccata is a native species to the Caspian forests and is considered as the identification of these forests by some resources. The aim of this study was to understand the ecological characteristics of T. baccata in order to find suitable areas for its plantation in the Pone Aram preserve of Golestan province. Therefore, Multi-Criteria Evaluation (MCE) methods based on Analytical Hierarchy...

2010
K J Joseph K. J. Joseph

Traditionally, plantation sector in India has been regarded as a source of foreign exchange. Hence the system of innovation and production evolved over the years mainly at the instance of the state has been geared to enhance its international competitiveness. Though the role of plantation sector in the export basket of India declined over the years, the paper argues that the present role of pla...

نمودار تعداد نتایج جستجو در هر سال

با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید