Long-term trends in cetacean occurrence during the annual sardine run off the Wild Coast, South Africa
Jennifer M. Fitchett; Stefan W. Grab; Heinrich Portwig School of Geography, Archaeology and Environmental Studies, University of the Witwatersrand, Johannesburg, South Africa ABSTRACT Phenological shifts represent one of the most robust bioindicators of climate change. While considerable multidecadal records of plant and animal phenology exist for the northern hemisphere, few noteworthy...