Deep Sea Corrallium sp. in the Northwest Hawaiian Islands Basal Diameter-Colony Height Curve and Colony Height-Age Curve
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In the Northwest Hawaiian Islands and Emperor Seamounts different seamounts have been subjected to varying levels of fishing impacts where some seamounts have never been fished, some where fishing stopped ~30 years ago, and some where fishing continues today. In this study we utilize the three different treatment types, never fished, recovery after fishing stopped ~30 year ago, and currently fished to assess recovery rates of the deep-sea coral Corallium sp. after damage by anthropogenic fishing impacts. The goal is to ascertain the recovery rate of the deep sea coral, Corallium sp., samples by comparing the population structure of the seamounts within the three different treatment types. In-situ photos will be taken at various locations and the software photoQuad (Tyronis, and Sini, 2012.) will be used to make fast, reliable and relatively inexpensive size measurements of Corrallium sp. samples at each site. The images that are taken and the measurements made will be used to generate a basal diameter to height curve and a colony height to age curve. These findings are critical to determing the recovery rate of these keystone habitat builders on seamounts which are biodiversity hotspots in the deep ocean. Knowing the rate of recovery after damage by anthropogenic fishing activities that contact the seafloor is important to high seas conservation and management efforts.
Kramer, Faith (2018). Deep Sea Corrallium sp. in the Northwest Hawaiian Islands Basal Diameter-Colony Height Curve and Colony Height-Age Curve. Undergraduate Research Scholars Program. Available electronically from