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      Rock art imagery as a proxy for Holocene environmental change: A view from Shuwaymis, NW Saudi Arabia

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          Long-Term Variations of Daily Insolation and Quaternary Climatic Changes

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            Holocene ITCZ and Indian monsoon dynamics recorded in stalagmites from Oman and Yemen (Socotra)

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              A common rule for the scaling of carnivore density.

              Population density in plants and animals is thought to scale with size as a result of mass-related energy requirements. Variation in resources, however, naturally limits population density and may alter expected scaling patterns. We develop and test a general model for variation within and between species in population density across the order Carnivora. We find that 10,000 kilograms of prey supports about 90 kilograms of a given species of carnivore, irrespective of body mass, and that the ratio of carnivore number to prey biomass scales to the reciprocal of carnivore mass. Using mass-specific equations of prey productivity, we show that carnivore number per unit prey productivity scales to carnivore mass near -0.75, and that the scaling rule can predict population density across more than three orders of magnitude. The relationship provides a basis for identifying declining carnivore species that require conservation measures.
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                Author and article information

                Journal
                The Holocene
                The Holocene
                SAGE Publications
                0959-6836
                1477-0911
                October 05 2016
                July 28 2016
                : 26
                : 11
                : 1822-1834
                Article
                10.1177/0959683616645949
                3e27ed1f-0422-4b15-9100-de2041ca3f7a
                © 2016

                http://journals.sagepub.com/page/policies/text-and-data-mining-license


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