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- Title
DO CHANGES IN REEF HABITATS INFLUENCE RELATIVE PREDATION RISK ON THE JUVENILE AUSTRALASIAN SPINY LOBSTER, JASUS EDWARDSII (HUTTON, 1875)?
- Authors
HESSE, J.; STANLEY, J. A.; JEFFS, A. G.
- Abstract
Kelp habitats are in decline in many temperate coastal regions of the world due to climate change and expansion of populations of grazing urchins. The loss of kelp habitat may influence the vulnerability to predators of the juveniles of commercially important species. In this study relative predation rates for kelp versus barren reef habitat were measured for early juvenile Australasian spiny lobster, Jasus edwardsii (Hutton, 1875), on the northeastern coast of New Zealand using tethering methods. Variation in assemblages of predators over small spatial scales appeared to be more important for determining the relative predation of lobsters, regardless of habitat type. Therefore, the assessment of relative predation risk to early juvenile lobsters between kelp and barren habitats will require more extensive sampling at a small spatial scale, as well as a specific focus on sampling during crepuscular and nocturnal periods when these lobsters are most at risk of predation.
- Subjects
CRUSTACEAN populations; JASUS edwardsii; HABITATS; PREDATION; REEF animals; CRUSTACEA
- Publication
Crustaceana, 2015, Vol 88, Issue 7/8, p839
- ISSN
0011-216X
- Publication type
Article
- DOI
10.1163/15685403-00003447