نتایج جستجو برای: environmental units

تعداد نتایج: 535971  

Journal: :Environmental monitoring and assessment 2005
Nicholas P Danz Ronald R Regal Gerald J Niemi Valerie J Brady Tom Hollenhorst Lucinda B Johnson George E Host Joann M Hanowski Carol A Johnston Terry Brown John Kingston John R Kelly

Understanding the relationship between human disturbance and ecological response is essential to the process of indicator development. For large-scale observational studies, sites should be selected across gradients of anthropogenic stress, but such gradients are often unknown for apopulation of sites prior to site selection. Stress data available from public sources can be used in a geographic...

Journal: :Journal of Cleaner Production 2021

Water treatment is traditionally seen as an "end-of-pipe" solution to deal with contaminated water satisfying discharge regulations at a minimum expense. However, the reuse of treated regenerated promising strategy counteract scarcity. This approach transform waste into resources motivated by circular economy paradigm. study presents mathematical programming target both environmental and econom...

2017
Karin Sjögren Marie Lindkvist Per-Olof Sandman Karin Zingmark David Edvardsson

BACKGROUND Few studies have empirically investigated factors that define residential aged care units that are perceived as being highly person-centred. The purpose of this study was to explore factors characterising residential aged care units perceived as being highly person-centred, with a focus on organisational and environmental variables, as well as residents' and staff' characteristics. ...

2006
H. Bogena K. Schulz H. Vereecken

In order to address the challenges of global change, interdisciplinary research in terrestrial environmental science is of great importance. Several environmental research networks have already been established in order to monitor, analyse and predict the impact of global change on different compartments and/or matter cycles of the environment. Typically these environmental research networks ha...

Journal: :تحقیقات اقتصاد و توسعه کشاورزی ایران 0
علی اسدی سید محمود حسینی غلامحسین عبداله زاده اردوان قره قانی

greenhouse cultivations are of special importance in agricultural development because of their utilization of artificially controlled production factors and artificially created environmental conditions. proper planning towards a desirable development of this system of agricultural production demands a thorough knowledge and understanding of the factors hindering its soud development. towards t...

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