ISSN:
1476-4687
Quelle:
Nature Archives 1869 - 2009
Thema:
Biologie
,
Chemie und Pharmazie
,
Medizin
,
Allgemeine Naturwissenschaft
,
Physik
Notizen:
[Auszug] Despite recent estimates that the Earth's ecological systems are worth about US$33 trillion annually, the comparatively low cost of maintaining the biological diversity that underpins these services is ignored. This cost, which we examine below, continues to go unmet by governments and foreign ...
Materialart:
Digitale Medien
URL:
http://dx.doi.org/10.1038/43774
Permalink