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Combating ecosystem collapse from the tropics to the Antarctic

Journal Article


Abstract


  • Globally, collapse of ecosystems���potentially irreversible change to ecosystem structure, composition and function���imperils biodiversity, human health and well-being. We examine the current state and recent trajectories of 19 ecosystems, spanning 58�� of latitude across 7.7��M��km2, from Australia's coral reefs to terrestrial Antarctica. Pressures from global climate change and regional human impacts, occurring as chronic ���presses��� and/or acute ���pulses���, drive ecosystem collapse. Ecosystem responses to 5���17 pressures were categorised as four collapse profiles���abrupt, smooth, stepped and fluctuating. The manifestation of widespread ecosystem collapse is a stark warning of the necessity to take action. We present a three-step assessment and management framework (3As Pathway Awareness, Anticipation and Action) to aid strategic and effective mitigation to alleviate further degradation to help secure our future.

Publication Date


  • 2021

Citation


  • Bergstrom, D. M., Wienecke, B. C., van den Hoff, J., Hughes, L., Lindenmayer, D. B., Ainsworth, T. D., . . . Shaw, J. D. (2021). Combating ecosystem collapse from the tropics to the Antarctic. Global Change Biology, 27(9), 1692-1703. doi:10.1111/gcb.15539

Scopus Eid


  • 2-s2.0-85101779465

Start Page


  • 1692

End Page


  • 1703

Volume


  • 27

Issue


  • 9

Place Of Publication


Abstract


  • Globally, collapse of ecosystems���potentially irreversible change to ecosystem structure, composition and function���imperils biodiversity, human health and well-being. We examine the current state and recent trajectories of 19 ecosystems, spanning 58�� of latitude across 7.7��M��km2, from Australia's coral reefs to terrestrial Antarctica. Pressures from global climate change and regional human impacts, occurring as chronic ���presses��� and/or acute ���pulses���, drive ecosystem collapse. Ecosystem responses to 5���17 pressures were categorised as four collapse profiles���abrupt, smooth, stepped and fluctuating. The manifestation of widespread ecosystem collapse is a stark warning of the necessity to take action. We present a three-step assessment and management framework (3As Pathway Awareness, Anticipation and Action) to aid strategic and effective mitigation to alleviate further degradation to help secure our future.

Publication Date


  • 2021

Citation


  • Bergstrom, D. M., Wienecke, B. C., van den Hoff, J., Hughes, L., Lindenmayer, D. B., Ainsworth, T. D., . . . Shaw, J. D. (2021). Combating ecosystem collapse from the tropics to the Antarctic. Global Change Biology, 27(9), 1692-1703. doi:10.1111/gcb.15539

Scopus Eid


  • 2-s2.0-85101779465

Start Page


  • 1692

End Page


  • 1703

Volume


  • 27

Issue


  • 9

Place Of Publication