Effects on the Animal Community of Dislodgment of Holdfasts of Macrocystis pyrifera

Date
1993-04
Authors
Vasquez, Julio A.
Journal Title
Journal ISSN
Volume Title
Publisher
University of Hawaii Press
Abstract
Effects of natural dislodgment of holdfasts of Macrocystis pyrifera (L.) C. Agardh on the associated holdfast community were studied during a 110-day period. Six holdfasts were collected at the beginning of the study and analyzed to determine the abundance of major taxa at time O. Forty-four holdfasts were detached from the rocky substrate and suspended on three midwater buoys to simulate natural dislodgment and drift in the kelp forest. The most abundant taxa associated with attached and drift holdfasts were decapod crustaceans, mollusks, polychaetes, ophiuroids, echinoids, asteroids, isopods, and amphipods. Only amphipods and isopods increased significantly in density in drift holdfasts during the experimental period. All other invertebrate taxa showed a decrease in abundance during the 3-month experiment.
Description
Keywords
Citation
Vasquez JA. 1993. Effects on the animal community of dislodgment of holdfasts of Macrocystis pyrifera. Pac Sci 47(2): 180-184.
Rights
Access Rights
Email libraryada-l@lists.hawaii.edu if you need this content in ADA-compliant format.