منابع مشابه
Biodiversity and the lexicon zoo
Ecologists and natural resource managers struggle to define and relate biodiversity, biocomplexity, ecological integrity, ecosystem services, and related concepts; to describe effects of disturbance dynamics on biodiversity; and to understand how biodiversity relates to resilience, resistance, and stability of ecosystems and sustainability of resource conditions. Further diversifying this ‘‘lex...
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quota in the Kattegat region between Sweden and Denmark, the Irish Sea and the west of Scotland. Environmental groups have long called for the industry to adopt new technologies and practices that can substantially reduce 'bycatch'. Larger mesh size is one straightforward measure that can save more juvenile fish. Charles Clover, author of The End Of The Line, said: " It is ridiculous that we ca...
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by Jana Sanchez Consumer advocate R a l p h Nader spoke to a gathering of Harris County political activists, which included students f rom area colleges, at the Tidelands II Motor Inn on Tuesday, August 21. The visit was one part of Nader's present effort to launch a statewide voter education and registration project. Nader has a long history of outspokenness in politics and has been a pioneer ...
متن کاملNews Feature Mixed boost for biodiversity
One issue of great concern to many researchers is the rapidly vanishing biodiversity in the face of intensive agricultural methods. Organic techniques offer an alternative, but evidence of their effects has often been based on studies that were poorly designed, limited in scope in terms of the species examined, or local in scale. Meta-analysis of published studies differing in methodology and s...
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About the Authors: Ron Haskins is a senior editor of The Future of Children, a senior fellow in Economic Studies and co-director of the Center on Children and Families at the Brookings Institution, and a senior consultant at the Annie E. Casey Foundation; Richard Murnane is the Thompson Professor of Education and Society at the Harvard Graduate School of Education; Isabel Sawhill is a senior fe...
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ژورنال
عنوان ژورنال: Nature
سال: 2014
ISSN: 0028-0836,1476-4687
DOI: 10.1038/508186d