Refuting the common misconception that destructing natural
environment in one place can be replaced by restoring or protecting a similar
habitat elsewhere(which is called Biodiversity offsets or compensatory
mitigation), a group of top academicians in the field of biological
conservation has said that biodiversity offsets often fail to restore lost
species and the relationship between them.
In a paper published in the journal of Biological
Conservation, titled “Faustian
bargains? Restoration realities in the context of biodiversity offset policies”,
they argue that a majority of such offsetting programmes have found to be less
successful.
According to the experts, there are 64 offset programmes
ongoing as part of development projects happening across the globe. In all these
projects, destruction of natural environment at one place is justified by
rehabilitation attempts done at a similar habitat elsewhere.
Measuring the success of biodiversity offsetting
Different factors that limit the success of biodiversity offsetting illustration courtesy Science Direct |
Expressing their concern over the spread of offsetting in
the environmental policies across the countries as a remedy for destructing
natural environment for development and other purpose, the scientists have pointed
out that the success of such rehabilitation programmes are difficult o measure.
Pointing out the
difficulty to measure the success of such programmes, the paper says
“Confidence in the ability of restoration to deliver genuine biodiversity offsets is undermined by the problems of defining and measuring the biodiversity values that are lost and gained, considerable uncertainty surrounding the effectiveness of restoration techniques, and long time-lags.”
Hollow claims of restoration
The new study will expose the corporate entities and
development agencies who boast about their afforestation initiatives. The
report writes off such claims since it is difficult to rebuild a destructed habitat
along with the wiped out species and the relationship between them, especially
if endemic species and centuries-old trees are involved.
Martine Marona and Clive A. McAlpinea of the University of
Queensland, Richard J. Hobbs and Kimberly Christie of the University of Western
Australia, Atte Moilanen of University of Helsinki, Jeffrey W. Matthews of
University of Illinois, Toby A. Gardner of University of Cambridge, David A.
Keith of New South Wales Department of Environment and Climate Change and David
B. Lindenmayer of the Australian National University has co-authored the paper.
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