Conservation: Counting the costs of African elephant losses
Nature Communications
2016년11월2일

The loss of elephants across Africa could cost around US$25 million per year in lost tourism revenue, reports a modelling study published online in Nature Communications this week. The paper provides an important demonstration, at the continent scale, of the economic side-effects of elephant poaching.
A second major poaching crisis is underway in Africa, with elephant populations down by 30% from 2007 to 2014. Poaching can be expensive to effectively eliminate, but the economic gains from ecotourism could offset these anti-poaching costs, making protection of endangered wildlife a viable economic strategy.
Robin Naidoo and colleagues conduct a modelling effort to estimate the amount of tourist revenue gained “per elephant” at 216 protected areas across Africa. They find that tourists are more likely to visit protected areas when the parks contain numerous African elephants, with each elephant calculated to increase the number of tourist visits by 371%. The predicted lost revenue (around US$25 million per year) if elephant-related tourism declines is substantially more than the costs (calculated by other researchers) of implementing anti-poaching initiatives.
The benefits of elephant-related tourism exceed the anti-poaching costs in the savannah regions of east and southern Africa, but not for forested central Africa, where elephants are harder to observe and tourist revenue is less tightly linked to elephant abundance. The authors note that although the ivory trade brings in US$597 million annually, exceeding the calculated losses, elephant conservation and enhanced eco-tourism are still viable economic alternatives with benefits in local communities.
doi: 10.1038/ncomms13379
리서치 하이라이트
-
3월4일
Environment: Reservoirs account for more than half of water storage variabilityNature
-
3월2일
Evolution: Neanderthals may have heard just like usNature Ecology & Evolution
-
3월2일
Geoscience: Earth’s atmosphere may return to low-levels of oxygen in one billion yearsNature Geoscience
-
2월26일
Environment: Shifting from small to medium plastic bottles could reduce PET wasteScientific Reports
-
2월24일
Environment: European forests more vulnerable to multiple threats as climate warmsNature Communications
-
2월11일
Environment: Global CFC-11 emissions in declineNature