Comment on “Global Resilience of Tropical Forest and Savanna to Critical Transitions” | Zendy

Zak Ratajczak | Zendy; Jesse B. Nippert | Zendy

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Comment on “Global Resilience of Tropical Forest and Savanna to Critical Transitions”

Author(s) -

Zak Ratajczak,

Jesse B. Nippert

Publication year - 2012

Publication title -

science

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 12.556

H-Index - 1186

eISSN - 1095-9203

pISSN - 0036-8075

DOI - 10.1126/science.1219346

Subject(s) - tropical forest , resilience (materials science) , psychological resilience , global change , geography , space (punctuation) , ecology , environmental science , physical geography , climate change , computer science , physics , biology , psychology , psychotherapist , operating system , thermodynamics

Hirota et al. (Reports, 14 October 2011, p. 232) used spatial data to show that grasslands, savannas, and forests represent opposing stable states. Reanalyzing their data and drawing from temporal studies, we argue that spatial analyses underestimate the bistability of grasslands and savannas due to limitations of substituting space for time. We propose that temporal and spatial data are needed to predict critical transitions between grasslands and savannas.

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