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- Woolley, B., et al. Show all 4 Authors
- Ecology 2019 v.100 no.2 pp. e02577
- Echinoidea; adults; demographic statistics; habitats; hysteresis; juveniles; longevity; macroalgae; models; mortality; overgrazing; population growth; population size; predation; reefs
- ... Sea urchin grazing can result in regime shift from productive kelp beds to sea urchin barren grounds that represent an alternative and stable reef state. Here we examine the stability of urchin barrens by defining the demographics of the Australian urchin Heliocidaris erythrogramma during regime shift to, and maintenance of, barrens. Inverse‐logistic modeling of calibrated in situ annual growth in ...