دورية أكاديمية
أعرض في EDS

Natural Prey Preferences and Spatial Variability of Predation Pressure by Cyphoma gibbosum (Mollusca: Gastropoda) on Octocoral Communities off La Parguera, Puerto Rico.

التفاصيل البيبلوغرافية
العنوان: Natural Prey Preferences and Spatial Variability of Predation Pressure by Cyphoma gibbosum (Mollusca: Gastropoda) on Octocoral Communities off La Parguera, Puerto Rico.
المؤلفون: Lucas MQ; Department of Marine Science, University of Puerto Rico, P.O. Box 9000, Mayaguez, PR 00680, USA., Rodríguez LR; Department of Marine Science, University of Puerto Rico, P.O. Box 9000, Mayaguez, PR 00680, USA., Sanabria DJ; Department of Marine Science, University of Puerto Rico, P.O. Box 9000, Mayaguez, PR 00680, USA., Weil E; Department of Marine Science, University of Puerto Rico, P.O. Box 9000, Mayaguez, PR 00680, USA.
المصدر: International scholarly research notices [Int Sch Res Notices] 2014 Oct 28; Vol. 2014, pp. 742387. Date of Electronic Publication: 2014 Oct 28 (Print Publication: 2014).
نوع المنشور: Journal Article
اللغة: English
بيانات الدورية: Publisher: Hindawi Publishing Corporation Country of Publication: United States NLM ID: 101641951 Publication Model: eCollection Cited Medium: Print ISSN: 2356-7872 (Print) Linking ISSN: 23567872 NLM ISO Abbreviation: Int Sch Res Notices Subsets: PubMed not MEDLINE
أسماء مطبوعة: Original Publication: New York, NY : Hindawi Publishing Corporation, [2014]-[2017]
مستخلص: This study evaluated the natural prey preferences and spatial variability of predation pressure (PP = proportion of colonies with snails and/or clear predation signs) by the gastropod Cyphoma gibbosum on octocoral communities off the La Parguera Natural Reserve, Puerto Rico. All octocoral colonies were checked for presence of C. gibbosum and/or clear predation signs in four permanent band-transects (2 × 10 m), along three depth intervals (0-5, 7-12, >15 m deep) in each of six reefs along an inshore offshore gradient. Results indicate that C. gibbosum preys on at least 16 species, six of which (Briareum asbestinum, Gorgonia ventalina, Pseudoterogorgia americana, P. acerosa, Plexaura flexuosa, and Pseudoplexaura porosa) consistently showed significantly higher (K-W, P < 0.05) (17-37%) PP compared to all other species. Plexaura flexuosa, P. americana, and P. porosa had significantly higher PP (11-38%) among inner and mid-shelf reefs, and G. ventalina had higher PP in shelf-edge reefs (16-20%). A combination of differential spatial distributions and octocoral species abundances seems to explain the observed patterns of predation by C. gibbosum. Prey preference and higher abundances of 3-dimensional octocorals providing increased refuge or microhabitats utilized for mating or egg-deposition could be driving the spatial distribution of C. gibbosum and the observed differential predation pressure.
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تواريخ الأحداث: Date Created: 20160720 Date Completed: 20160719 Latest Revision: 20240325
رمز التحديث: 20240325
مُعرف محوري في PubMed: PMC4897310
DOI: 10.1155/2014/742387
PMID: 27433523
قاعدة البيانات: MEDLINE
الوصف
تدمد:2356-7872
DOI:10.1155/2014/742387