Results 21 to 30 of about 1,405,078 (311)

Multi-scale simulation and dynamic coordination evaluation of water-energy-food and economy for the Pearl River Delta city cluster in China

open access: yesEcological Indicators, 2021
In this research, an integrated approach is developed through the incorporation of systems dynamics (SD), catastrophe progression (CP), and coupled coordination degree (CCD) analysis within a general modelling framework.
Yiran Ouyang   +4 more
doaj   +1 more source

Simultaneous Determination of Malachite Green, Chloramphenicols, Sulfonamides, and Fluoroquinolones Residues in Fish by Liquid Chromatography-Mass Spectrometry

open access: yesJournal of Analytical Methods in Chemistry, 2020
A fast-analytical method using simplified extraction has been developed for the simultaneous determination of 42 compounds from 4 different classes of veterinary drugs (amphenicols, triphenylmethane, fluoroquinolones, and sulfonamides) in fish by reverse
Yongping Chen   +3 more
doaj   +1 more source

Ecological thinking: Four qualities [PDF]

open access: yesAnálise Psicológica, 2012
O artigo propõe uma viagem em torno dos pressupostos ecológicos ou atributos do pensamento ecológico. Identifica as suas principais quatro qualidades e procura demonstrar como se podem fundamentar em evidência empírica. A primeira das premissas focaliza-se na interdependência das pessoas e os seus ambientes sociais, a segunda que as metodologias de ...
openaire   +3 more sources

Ecologies of education quality

open access: yesEducation Policy Analysis Archives, 2013
Accountability in education has prompted policy makers and practitioners to focus on data use for instructional and organizational decision-making. The popular media have seized on Value Added (VA) measures as a key type of data use for reforming U.S. schools. Among education researchers, however, there are both critics and proponents. We examined data
Beth Graue   +2 more
openaire   +3 more sources

Towards an ecological index for tropical soil quality based on soil macrofauna [PDF]

open access: yes, 2009
The objective of this work was to construct a simple index based on the presence/absence of different groups of soil macrofauna to determine the ecological quality of soils.
Geissen, V.   +5 more
core   +3 more sources

The Progression Towards Ecological Quality Standards [PDF]

open access: yesJournal of Environmental Law, 2005
Environmental law still lacks coherence in many respects. Two key areas of UK and EC law—water pollution control and biodiversity protection—are examined to see whether it is possible to adopt more common approaches. A key development in pollution control law was its redirection in the last twenty years from a largely reactive instrument towards one ...
openaire   +1 more source

Hanford Site Ecological Quality Profile [PDF]

open access: yes, 2002
This report reviews the ecological quality profile methodology and results for the Hanford Site. It covers critical ecological assets and terrestrial resources, those in Columbia River corridor and those threatened and engdangered, as well as hazards and risks to terrestrial resources.
Bilyard, Gordon R.   +2 more
openaire   +2 more sources

The Cancer Diaspora: Metastasis beyond the seed and soil hypothesis [PDF]

open access: yes, 2013
Do cancer cells escape their confinement of their original habitat in the primary tumor or are they forced out by ecological changes in their home niche?
Coffey, Donald S.   +3 more
core   +1 more source

Effects of Waves and Sediment Disturbance on Seed Bank Persistence at Tidal Flats

open access: yesFrontiers in Marine Science, 2021
Coastal wetlands such as salt marshes have been increasingly valued for their capacity to buffer global climate change effects, yet their long-term persistence is threatened by environmental changes.
Zhenchang Zhu   +9 more
doaj   +1 more source

Relationships beliefs and relationship quality across cultures: Country as a moderator of dysfunctional beliefs and relationship quality in three former Communist societies [PDF]

open access: yes, 2004
Research on the correlation between relationship beliefs and quality has rarely considered the impact of culture. In this study, 206 manual workers, students and entrepreneurs from Georgia, Hungary and Russia completed a modified Relationships Belief ...
Gaines, SO, Goodwin, R
core   +1 more source

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