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DTSTART:20111030T030000
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UID:www.bayceer.uni-bayreuth.de-bayceer-t103181id
DTSTAMP:20260609T143651Z
DESCRIPTION:As the impacts of human activities increase in both magnitude a
 nd extent\, biodiversity is under increasing pressure. Habitats available 
 to wildlife have undergone dramatic modifications\, and significant biodiv
 ersity has already been lost over modern times\, while we are yet to exper
 ience the full impacts of anthropogenic climate change. Decline in biodive
 rsity has direct detrimental impacts on ecosystems’ structures and functio
 ns as well as on human well being\, particularly for the world’s most marg
 inalised and impoverished communities. Biodiversity indeed provides many p
 roducts - often plants\, animals\, and fungi - that directly contribute to
  incomes and livelihoods. Biodiversity also provides genetic resources for
  the pharmaceutical industry\, which can be key in maintaining human healt
 h\, while the growth of nature tourism has meant that biodiversity conserv
 ation has become a major contributor to many national economies\, includin
 g some of the world’s poorest countries. As well as delivering these ecosy
 stem services\, biodiversity underpins the functioning of ecosystems\, and
  hence the delivery of services such as access to fresh water and climate 
 regulation. Halting the loss of biodiversity is thus a societal\, economic
 \, ethical\, and ecological priority. To halt these recent dramatic declin
 es in biodiversity\, one needs\, among other things\, to (a) measure chang
 es in biodiversity at various spatial and temporal scales to identify area
 s experiencing the highest rates of loss\, and (b) identify the mechanisms
  underpinning the observed changes\; so that efficient mitigation strategi
 es can be designed. Although there is no strict consensus on how to measur
 e biodiversity and biodiversity loss\, the species level stands up among o
 ther biological units in the study of biodiversity at both global and regi
 onal scales. In mammals for instance\, the focus on the species level has 
 allowed us to determine particular traits which make organisms more vulner
 able to extinction and to explore how patterns of species decline vary acc
 ording to different threats. Species-focused conservation strategies alone
 \, however\, may overlook threats operating at the population scale\, whic
 h can generate significant bottom-up impacts on biodiversity compromising 
 the optimal provision of ecological goods and other ecosystem services to 
 human societies. Population losses are indeed an early warning of species 
 extinction and integrative approaches relating species and populations hav
 e been highlighted as being urgently needed to improve the efficiency of c
 onservation efforts and the maintenance of biodiversity. From this\, it is
  clear that effective biodiversity loss mitigation strategies rely on our 
 ability to understand and appreciate the relative importance of processes 
 that may operate at very different scales. In this talk\, I will discuss t
 he challenges associated with accessing such a level of understanding\, an
 d highlight some of the issues currently faced by conservation biologists.
DTSTART;TZID=Europe/Berlin:20120510T000000
DTEND;TZID=Europe/Berlin:20120510T235959
SUMMARY:Dr. Nathalie Pettorelli\, Institute of Zoology\, Zoological Society
  of London\, United Kingdom (Homepage): From Roe Deer to Satellites and Vu
 lnerability Assessments: Scaling up Difficulties or Downsizing Complexity?
TRANSP:TRANSPARENT
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