However, researchers are unsure whether increased food competition among the two species or climate change is ultimately to blame. (natureworldnews.com)
The impact of kinship, defence cost and priority of access on food competition. (people.nyuprimatology.com)
And some advanced biofuels can also avoid food competition and reduce harmful impacts on soil, water and wildlife if they are carefully managed and sustainably harvested. (nrdc.org)