Growth response to light ofCarex inopinataCook, an endangered New Zealand sedge

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Abstract
The effect of five light environments on the growth of Carex inopinata clones was examined. C. inopinata exhibited the least growth in full sunlight for wet weight increment, leaf area, tiller number increment, and above-ground biomass. Generally, plants grew best in moderate shade (22–33% ambient sunlight). These results support field observations suggesting that optimum habitat for this species is low forest or shrubland rather than open grassland. Implications of the study for the conservation management of C. inopinata are discussed.