Forest loss began before bioethanol
نویسندگان
چکیده
منابع مشابه
MtDNA analysis of global populations support that major population expansions began before Neolithic Time
Agriculture resulted in extensive population growths and human activities. However, whether major human expansions started after Neolithic Time still remained controversial. With the benefit of 1000 Genome Project, we were able to analyze a total of 910 samples from 11 populations in Africa, Europe and Americas. From these random samples, we identified the expansion lineages and reconstructed t...
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We defined a s e t of management goals f o r recreat ion f o r e s t stands which say t h a t we w i l l attempt t o maintain a healthy and vigorous, al l-aged, mixed species , properly stocked stand with numerous old-growth t r e e s . An i n f e s t a t i o n of dwarf mis t le toe may well prevent us from reaching most of these goals. The dwarf mis t le toes a f f e c t the t r e e s both d i...
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ژورنال
عنوان ژورنال: Nature
سال: 2011
ISSN: 0028-0836,1476-4687
DOI: 10.1038/470335d