Savanna woody encroachment is widespread across three continents
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...…forest-savanna boundaries in Africa, Australia, and South America are comparable to those observed in North America (range = 0.1–1.1 % cover year−1, Stevens et al. 2016), though maximum rates reported in their synthesis were much lower than those reported by Barger et al. (2011) for North…...
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"Savanna woody encroachment is wides..." refers methods in this paper
...From each study, we compiled site latitude and longitude and used this information to compile climatic information from WorldClim (Hijmans et al., 2005)....
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"Savanna woody encroachment is wides..." refers background in this paper
...However, savannas are also home to 20% of the Earth’s population and the majority of rangelands and livestock (Scholes & Archer, 1997)....
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"Savanna woody encroachment is wides..." refers background in this paper
...This is congruent with the encroachment rates responding to an increasing intensity of a global driver, most likely increasing atmospheric [CO2], increasing land-use intensity and increasing disruption of fire and mega-herbivory (Ramankutty & Foley, 1999; Archibald et al., 2013)....
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"Savanna woody encroachment is wides..." refers background in this paper
...Water availability is however a key constraint on savanna net primary productivity and maximum woody cover (Sankaran et al., 2005; Staver et al., 2011)....
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...AC, annual rate of change, CONT, continent, SY, starting year, IC, initial cover, T = duration, MAP, mean annual precipitation....
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...Mean annual precipitation (MAP) was a covariate given that both mean woody cover and potential woody cover increase with MAP (Jolly et al., 2005; Sankaran et al., 2005; Lehmann et al., 2014)....
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...We did this to test the effect of variables, specifically MAP, without confounding MAP and continent as the available rainfall range varies strongly between continents (Lehmann et al., 2011)....
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