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Intraspecific Variation in Growth and Reproduction of the Marine Leech, Heptacyclus buthi.
J Parasitol. 2020 Jun 01; 106(3):578-581.JP

Abstract

Heptacyclus buthi was harvested from fish hosts in rocky intertidal zones of Sonoma and Marin Counties, California, in October 2008 (n = 162) and October 2010 (n = 51). The size of the leeches was quantified using a method that approximated the sagittal cross-section of each specimen. Size-frequency curves were modeled to estimate the number of size-class cohorts in each year. If H. buthi is an annual species like many of its relatives, the single cohort modeled for in 2010 and the comparable "older" cohort in 2008, both with a broad range of sizes, may represent 1 component of its reproductive life history. A second, younger, more-numerous, less-variable cohort modeled from the 2008 sample may represent a second reproductive bout during that year that was prevented in the subsequent La Niña period of 2010-2011.

Authors+Show Affiliations

Department of Ecology and Evolutionary Biology, University of California (UCLA), Los Angeles, California 90095-1606.Department of Ecology and Evolutionary Biology, University of California (UCLA), Los Angeles, California 90095-1606.

Pub Type(s)

Journal Article

Language

eng

PubMed ID

32434216

Citation

Kim, Bernard Y., and Donald G. Buth. "Intraspecific Variation in Growth and Reproduction of the Marine Leech, Heptacyclus Buthi." The Journal of Parasitology, vol. 106, no. 3, 2020, pp. 578-581.
Kim BY, Buth DG. Intraspecific Variation in Growth and Reproduction of the Marine Leech, Heptacyclus buthi. J Parasitol. 2020;106(3):578-581.
Kim, B. Y., & Buth, D. G. (2020). Intraspecific Variation in Growth and Reproduction of the Marine Leech, Heptacyclus buthi. The Journal of Parasitology, 106(3), 578-581. https://doi.org/10.1645/19-111
Kim BY, Buth DG. Intraspecific Variation in Growth and Reproduction of the Marine Leech, Heptacyclus Buthi. J Parasitol. 2020 Jun 1;106(3):578-581. PubMed PMID: 32434216.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Intraspecific Variation in Growth and Reproduction of the Marine Leech, Heptacyclus buthi. AU - Kim,Bernard Y, AU - Buth,Donald G, PY - 2020/5/21/entrez PY - 2020/5/21/pubmed PY - 2020/5/21/medline KW - Heptacyclus KW - El Niño KW - Hirudinida KW - La Niña KW - Oligochaeta KW - Petersen method KW - Piscicolidae KW - Reproduction KW - Reproductive Periodicity SP - 578 EP - 581 JF - The Journal of parasitology JO - J. Parasitol. VL - 106 IS - 3 N2 - Heptacyclus buthi was harvested from fish hosts in rocky intertidal zones of Sonoma and Marin Counties, California, in October 2008 (n = 162) and October 2010 (n = 51). The size of the leeches was quantified using a method that approximated the sagittal cross-section of each specimen. Size-frequency curves were modeled to estimate the number of size-class cohorts in each year. If H. buthi is an annual species like many of its relatives, the single cohort modeled for in 2010 and the comparable "older" cohort in 2008, both with a broad range of sizes, may represent 1 component of its reproductive life history. A second, younger, more-numerous, less-variable cohort modeled from the 2008 sample may represent a second reproductive bout during that year that was prevented in the subsequent La Niña period of 2010-2011. SN - 1937-2345 UR - https://www.unboundmedicine.com/medline/citation/32434216/Intraspecific_Variation_in_Growth_and_Reproduction_of_the_Marine_Leech,_Heptacyclus_buthi L2 - http://www.journalofparasitology.org/doi/10.1645/19-111?url_ver=Z39.88-2003&rfr_id=ori:rid:crossref.org&rfr_dat=cr_pub=pubmed DB - PRIME DP - Unbound Medicine ER -
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